Aaron M. Geller

Northwestern University Research Assistant Professor, CIERA and Dept. of Physics & Astronomy Senior Data Visualization Specialist, Research Computing Services 1800 Sherman Ave. Evanston, IL 60201, U.S.A.

(847) 467-6233 • [email protected] • http://faculty.wcas.northwestern.edu/aaron-geller/index.html

EDUCATION & EMPLOYMENT Northwestern University (NU) 2010 - present Research Assistant Professor (2018 - present) Senior Interactive Visualization Specialist, with NUIT (2017 - present) NSF REU Site Director (2015 - present) NSF Astronomy and Astrophysics Postdoctoral Fellow (AAPF) (2013 - 2017) Lindheimer Postdoctoral Fellow (2010 - 2013) The Adler Planetarium 2015 - 2021 Astronomer (2018 - 2021) Astronomer / NSF Astronomy and Astrophysics Postdoctoral Fellow (AAPF) (2015 - 2017) University of Chicago (UofC) 2013 - 2015 NSF Astronomy and Astrophysics Postdoctoral Fellow (AAPF) University of Wisconsin - Madison (UW) 2004 - 2010 PhD in Astronomy (2010) MS in Astronomy; Minor in Physics (2006) Grant Supported Researcher, Astronomy (R. Mathieu, Advisor; 2004 - 2010) University of Iowa (UI) 2000 - 2004 BS with Distinction in Astronomy (Honors), Physics (Honors), & Mathematics; Minor in Studio Art (2004) Grant Supported Researcher, Astronomy (S. Spangler, Advisor; 2002 - 2004) National Radio Astronomy Observatory, Green Bank 2003 Summer NSF Research Experience for Undergraduates (T. Minter, Advisor) TEACHING Formal Experience 2021 - present Leading technical skills workshops with NUIT Research Computing Services 2017 - present Teaching Visualization Summer School course at Northwestern for IDEAS program 2015 - present Leading workshops in computer coding & website design, and facilitating panel discussion for REU students 2013 - 2016 Developed and implemented high school and 100-level astronomy lesson plans with Andrzej Barski, a teacher at Lakeview Chicago Public High School, and Kai Cai, an instructor at Truman City College of Chicago Spring 2009 Lab Instructor for UW Astronomy 113 : Hands on the Universe - Astronomy Lab Led four lab sections per week (68 students) Fall 2004 Discussion Instructor for UW Astronomy 104 : Exploration of the Solar System Led six discussion sections per week (144 students) Science Communication & Community Outreach (Selected Events Since 2010)

Updated Sept. 2021 Aaron M. Geller Curriculum Vitae Page 2 of 19 2020 Developed and implemented Adler Astronomy Live YouTube show 2017 - present Creating and maintaining online interactives, movies, and ﬁgures for LIGO 2017 - present Interviews on local TV, radio, print through Adler Planetarium on astronomy news 2013 - present Creating visualizations for the Adler Planetarium (online, dome and exhibits) 2013 - present Leading and Coordinating Astronomy Conversations program at the Adler 2016 Created and led full-dome planetarium show of N-body star clusters simulation at the Adler Planetarium and AMNH’s Hayden Planetarium (for astronomers) 2015 Interviewed on Hubble Hangout Blue Stragglers: The Mystery of Born Again Stars https://plus.google.com/events/caarf1mniimd0hsjo99ba473drk 2015 Featured and on stage with the comedy troupe at the iO Theater in Chicago for the “Experts”, a show featuring professional scientists and about science 2014 “Science Cafe” children’s activity on Oct. 25, 2014 at the Chicago’s Museum of Science and Industry 2011 “Science Cafe” lecture on Nov. 16, 2011 in Evanston, IL 2011 Interviewed on NPR’s Science Friday on Oct. 21, 2011 about our 2011 Nature Letter http://www.npr.org/2011/10/21/141591183/did-giant-stars-feed-blue-stragglers MENTORING EXPERIENCE • Director of CIERA’s NSF Research Experience for Undergraduates (REU) site (2015 - present) – Build the REU website, recruit students, match students with Faculty Mentors, manage student travel and accommodation, design and implement the assessment tools, organize the summer activities, and design and run the technical and professional development workshops. Postdoctoral Researchers (1): • Emily Leiner, Northwestern (2018 - present) – NSF AAPF Fellow Graduate students (2): • Joseph Glaser, Drexel University (2016 - 2020) – co-advisor, thesis committee member (with S. McMillan as primary advisory) • Emily Leiner, UW (2015 - 2018) – co-advisor on sub-subgiant projects (with R. Mathieu as primary advisor) Undergraduate students (18 students since 2006, showing a selection here): • Andrew Bowen, Northwestern (2018 - 2020) – senior thesis “Simulating the Period-Recovery Yield of Eclipsing Binaries in Star Clusters with the Vera Rubin Observatory” • Ava Polzin, Northwestern (2017 - 2019) – senior thesis “Exploring the Eclipsing Binary Yield of the Large Synoptic Survey Telescope” • Nick Easton, Case Western (2017 - 2019) – senior thesis “Classiﬁcation of variable stars with crowd-sourcing” • Joon Park, Northwestern (2016) • Josh Fuhrman, Carnegie Mellon + NU CIERA REU student (2016 - 2017) • Caroline Darin, NU (2012 - 2014) • Nico Salzetta, NU (2012 Summer) • Natalie Gosnell, UW (2007 Summer) –REU,http://www.astro.wisc.edu/~gosnell/reu.html – PhD in Astronomy from UW in 2013 • Mike DiPompeo, UW (2006 - 2007) – Co-advised Mike’s Senior Thesis: “Exploring Dynamical Formation Scenarios for an Interesting Binary in NGC 6819” – PhD in Astronomy from U. of Wyoming in 2013 • Meagan Morscher, UW (2006 Summer) –REU,http://www.astro.wisc.edu/~morscher/index.html – Currently an Astronomy PhD candidate at Northwestern University

Updated Sept. 2021 Aaron M. Geller Curriculum Vitae Page 3 of 19 High School students (3): • Xander Hall, Illinois Math and Science Academy (IMSA; 2018 - 2020) • Laura Malis, Stevenson High School (2016 Summer) • Sheila Dunne, Lyons Township High School (2015 Summer)

Updated Sept. 2021 Aaron M. Geller Curriculum Vitae Page 4 of 19 SERVICE 2019 - present CIERA Telescope Allocation Committee 2016 - 2019 Executive Committee for NSF Physics REU Leadership Group (NPRLG), focussing on common student application and assessment procedures 2017 - 2019 Judging coordinator for Northwestern’s High School Project Showcase science research poster competition; managed grad. student judges, tallied scores, determined (high school student) winners. 2011 - present Referee for Monthly Notices of the Royal Astronomical Society, Nature The Astronomical Journal, The Astrophysical Journal, The Astrophysical Journal Letters 2012 - present Chambliss Judge for AAS conferences 2014 SOC for “Binary systems, their evolution and environments” conference, Sept. 2014 in in Ulaanbaatar, Mongolia http://mongolia.csp.escience.cn/dct/page/1 2011 - 2012 Organizer for CIERA’s winter seminar series and Journal Club (astro-ph) meetings 2011 SOC/LOC for CIERA’s inaugural “Future of Astronomy” conference http://ciera.northwestern.edu/frontiers/ 2009 - 2010 WIYN Remote Observing Consultant, UW

GRANTS & AWARDS AS PI Research and Academic 2015 HST Theory Grant, “Modeling the Origins of Sub-subgiant Stars” 2013 NSF Astronomy and Astrophysics Postdoctoral Fellowship (AAPF) 2010 Lindheimer Postdoctoral Fellowship 2009 NSF East Asia and Paciﬁc Summer Institutes (EAPSI) Fellowship 2008 - 2009 Travel Grants from UW (2008, 2009), IAU (2009), AAS (2009) 2006, 2008 Wisconsin Space Grant 2004 Waldo Edward and Martha Althaus Smith Award 2004 John Goodricke Award 2000 - 2004 UI Presidential Scholarship

Education 2020 NSF “National Physics REU Leadership Group Workshop and Community-Building” 2017,18,19,20 LSST Enabling Science Grants “Connecting LSST Undergraduate Internships with the CIERA REU Program” (4 separate grants) 2014,17 NSF REU Grants “Preparing a Diverse Workforce through Interdisciplinary Astrophysics Research” (2 separate grants)

Visualization 2017 1st Place and People’s Choice Award in NU’s Scientific Image Contest 2015 People’s Choice Award and an Honorable Mention in NU’s Scientific Image Contest 2015 1st place in the proposal category, and finalist in the finished works category in the 2015 NU’s Data Visualization Challenge 2014 4th place in NU’s Scientific Image Contest

Updated Sept. 2021 Aaron M. Geller Curriculum Vitae Page 5 of 19 APPROVED OBSERVING AND COMPUTING PROPOSALS Selected Proposals as Principal Investigator • “Undergraduates Researching Variable Stars and Eclipsing Binaries in the LSST Era” – NU Quest supercomputer (multiple proposals since 2017) • “Modeling the Origins of Sub-subgiant Stars” – Cycle 22 HST Theory (2015) • “Impacts of Clustered Birth Environments on Exoplanet Architectures” – NU Quest supercomputer (multiple proposals since 2014) • “The Solar-Type Hard-Binary Frequency and Distributions of Orbital Parameters in the Open Cluster M37” – WIYN 3.5m/Hydra (NOAO: 2013B, 2014A, 2014B, 10 x 1/2 nights), multi-object optical spectroscopy • “N-body Simulations of Star Clusters” – Keeneland supercomputer; granted early access in 2011 for Graphics Processing Units (GPU) based N-body simulations • “A Complete Radial-Velocity Survey of the Two Canonical Southern Open Clusters NGC 2516 and NGC 3532” – CTIO-4m (NOAO: 2011B, 6 nights), multi-object optical spectroscopy • “A Study of Anomalous Stars & Binary Populations within Open Clusters: Tests of Theoretical Models” – WIYN-3.5m/Hydra (NOAO: 2007B-2010A, 46 nights, long term status ; UW: 2007B-2009B, 24 nights), multi-object optical spectroscopy

Selected Proposals as Co-Investigator • “A Rotation Study of the Old Open Cluster Berkeley 32”; PI: Leiner, E. – MMT (NU TAC: 2020a 1 night, 2020b 1 night), multi-object optical spectroscopy • “COS Spectroscopy of White Dwarf Companions to Blue Stragglers in NGC 188; PI: Mathieu, R. D. – HST (NASA GO: 2013, Cycle 21, 12 orbits), COS UV Spectroscopy • “A New Insight into Open Cluster Internal Dynamics and Neutron Star Formation”; PI: Gosnell, N. – Chandra AO (Cycle 14) joint with HST; Imaging of qLMXB candidate in NGC 6819 (2013) • “X-ray Binary Candidates Along Omega Centauri’s Anomalous Subgiant Branch”; PI: Haggard, D. – Gemini South (NOAO: 2012A, 31 hours), multi-object optical spectroscopy • “Improved Ages from Eclipsing Binaries in Open Star Clusters NGC 6791 and NGC 6819”; PI: Sandquist, E. L. – Kepler GO (Cycle 3); Photometry of eclipsing binaries (2011) • “The Nature of the Binary Companions to the Blue Stragglers in the Old Open Cluster NGC 188”; PI: Mathieu, R. D. – HST (NASA GO: 2011, Cycle 19, 41 orbits), FUV photometry • “An XMM-Newton Survey of Rich Open Clusters”; PI: Pooley, D. – XMM-Newton (ESA: 2007, 275 ks) X-ray imaging and spectroscopy

Updated Sept. 2021 Aaron M. Geller Curriculum Vitae Page 6 of 19 PUBLICATIONS • 55 refereed publications (54 in astrophysics), 1 PhD thesis, 1 book chapter, 1 published software package 1 popular science article, 10 conf. proceedings, 42 conf. abstracts, • 71 public GitHub repositories (astronomy research and visualization), https://github.com/ageller • from NASA ADS: 1641 total citations, 35776 total reads, h-index = 23, i10-index = 43 • from Google Scholar: 2080 total citations, h-index = 26, i10-index = 46

Refereed Publications 56. “Simulating Eclipsing Binary Yields of the Rubin Observatory in the Galactic Field and Star Clusters”, Geller, A. M., Polzin, A., Bowen, A. & Miller, A. A., 2021, arXiv:2107.02836, accepted for publication in ApJ

55. “Age and helium content of the open cluster NGC 6791 from multiple eclipsing binary members. III. Constraints from a subgiant”, Brogaard, K., Grundahl, F., Sandquist, E. L., Slumstrup, D., Jensen, M. L., Thomsen, J. B., Jørgensen, J. H., Larsen, J. R., Bjørn, S. T., Sørensen, C. T. G., Bruntt, H., Arentoft, T., Frandsen, S., Jessen-Hansen, J., Orosz, J. A., Mathieu, R., Geller, A. M., Ryde, N., Stello, D., Meibom, S. & Platais, I., 2021, Astronomy & Astrophysics, 649, 178 54. “Stellar Radial Velocities in the Old Open Cluster M67 (NGC 2682). II. The Spectroscopic Binary Population”, Geller, A. M.,Mathieu,R.D.,Latham,D.W.,Pollack,M.,Torres,G. & Leiner, E. M., 2021, The Astronomical Journal, 161, 190 53. “A Census of Blue Stragglers in Gaia DR2 Open Clusters as a Test of Population Synthesis and Mass Transfer Physics”, Leiner, E. M. & Geller, A. M., 2021, The Astrophysical Journal, 908, 229 52. “The ominous fate of exomoons around hot Jupiters in the high-eccentricity migration scenario”, Trani, A. A., Hamers, A. S., Geller, A. M., & Spera, M., 2020, Monthly Notices of the Royal Astronomical Society, 499, 4195 51. “WIYN Open Cluster Study. LXXXII. Radial-velocity Measurements and Spectroscopic Binary Orbits in the Open Cluster NGC 7789”, Nine, A. C., Milliman, K. E., Mathieu, R. D., Geller, A. M., Leiner, E. M., Platais, I., & Toﬄemire, B. M., 2020, The Astronomical Journal, 160, 169 50. “TYCHO: Realistically Simulating Exoplanets within Stellar Clusters. I. Improving the Monte Carlo Approach”, Glaser, J. P., McMillan, S. L. W., Geller, A. M., Thornton, J. D., & Giovinazzi, M. R. , 2020, The Astronomical Journal, 160, 126 49. “Bayesian Characterization of Main-sequence Binaries in the Old Open Cluster NGC 188”, Cohen, R. E., Geller, A. M., & von Hippel, T., 2020, The Astronomical Journal, 159, 11 48. “Constraining Mass-transfer Histories of Blue Straggler Stars with COS Spectroscopy of White Dwarf Companions”, Gosnell, N. M., Leiner, E. M., Mathieu, R. D., Geller, A. M., Knigge, C., Sills, A., & Leigh, N. W. C., 2019, The Astrophysical Journal, 885, 45 47. “Companion-driven evolution of massive stellar binaries”, Rose, S. C., Naoz, S., & Geller, A. M. , 2019, Monthly Notices of the Royal Astronomical Society, 488, 2480 46. “UVIT Open Cluster Study. I. Detection of a White Dwarf Companion to a Blue Straggler in M67: Evidence of Formation through Mass Transfer”, Sindhu, N., Subramaniam, A., Jadhav, V. V., Chatterjee, S., Geller, A. M., Knigge, C., Leigh, N., Puzia, T. H., Shara, M., & Simunovic, M., 2019, The Astrophysical Journal, 882, 43

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 7 of 19 45. “Detection of a White Dwarf Companion to a Blue Straggler Star in the Outskirts of Globular Cluster NGC 5466 with the Ultraviolet Imaging Telescope (UVIT)”, Sahu, S., Subramaniam, A., Simunovic, M., Postma, J., Ct, P., Kameswera Rao, N., Geller, A. M., Leigh, N., Shara, M., Puzia, T. H., & Stetson, P. B., 2019, The Astrophysical Journal, 876, 34

44. “In Search of the Thermal Eccentricity Distribution”, Geller, A. M.,Leigh,N.W.C., Giersz, M., Kremer, K., & Rasio, F. A., 2019, The Astrophysical Journal, 872, 165

43. “Spectroscopic membership for the populous 300 Myr-old open cluster NGC 3532”, Fritzewski, D. J., Barnes, S. A., James, D. J., Geller, A. M., Meibom, S., & Strassmeier, K. G., 2019, Astronomy and Astrophysics, 622, A110

42. “Constraints on blue straggler formation mechanisms in galactic globular clusters from proper motion velocity distributions”, Leigh, N. W. C., Panurach, T., Simunovic, M., Geller, A. M., Zurek, D., Shara, M. M., Sills, A., Knigge, C., Gosnell, N. M., Mathieu, R., Puzia, T. H., Ventura, J., & Minor, Q., 2019, Monthly Notices of the Royal Astronomical Society, 482, 231

41. “The blue straggler V106 in NGC 6791: a prototype progenitor of old single giants masquerading as young”, Brogaard, K., Christiansen, S. M., Grundahl, F., Miglio, A., Izzard, R. G., Tauris, T. M., Sandquist, E. L., VandenBerg, D. A., Jessen-Hansen, J., Arentoft, T., Bruntt, H., Frandsen, S., Orosz, J. A., Feiden, G. A., Mathieu, R., Geller, A. M., Shetrone, M., Ryde, N., Stello, D., Platais, I., & Meibom, S., 2018, Monthly Notices of the Royal Astronomical Society, 481, 5062

40. “Small-N collisional dynamics - IV. Order in the realm of not-so-small-N”, Leigh, N. W. C., Geller, A. M., Shara, M. M., Baugher, L., Hierro, V., Ferreira, D., & Teperino, E., 2018, Monthly Notices of the Royal Astronomical Society, 480, 3062

39. “On the rate of black hole binary mergers in galactic nuclei due to dynamical hardening”, Leigh, N. W. C., Geller, A. M., McKernan, B., Ford, K. E. S., Mac Low, M.-M., Bellovary, J., Haiman, Z., Lyra, W., Samsing, J., O’Dowd, M., Kocsis, B., & Endlich, S., 2018, Monthly Notices of the Royal Astronomical Society, 474, 5672

38. “Small-N collisional dynamics - III: The battle for the realm of not-so-small-N”, Leigh, N. W. C., Geller, A. M., Shara, M. M., Garland, J., Clees-Baron, H. & Ahmed, A., 2017, MNRAS, 471, 1830

37. “On the Origin of Sub-subgiant Stars. III. Formation Frequencies”, Geller, A. M.,Leiner, E. M., Chatterjee, S., Leigh, N. W. C., Mathieu, R. D. & Sills, A., 2017, ApJ, 842, 1

36. “On the Origin of Sub-subgiant Stars II: Binary Mass Transfer, Envelope Stripping, and Magnetic Activity”, Leiner, E., Mathieu, R. D. & Geller, A. M., 2017, ApJ, 840, 67

35. “On the Origin of Sub-subgiant Stars. I. Demographics”, Geller, A. M.,Leiner,E.M., Bellini, A., Gleisinger, R., Haggard, D., Kamann, S., Leigh, N. W. C., Mathieu, R. D., Sills, A., Watkins, L. L. & Zurek, D., 2017, ApJ, 840, 66

34. “The chaotic four-body problem in Newtonian gravity- I. Identical point-particles”, Leigh, N.W.C.,Stone,N.C.,Geller, A. M., Shara, M. M., Muddu, H., Solano-Oropeza, D. & Thomas, Y., 2016, NMRAS, 463, 3311

33. “When does a star cluster become a multiple star system? - I. Lifetimes of equal-mass small-N systems”, Leigh, N. W. C., Shara, M. M. & Geller, A. M., 2016, MNRAS, 459, 1242

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 8 of 19 32. “Formation of Black Hole Low-mass X-Ray Binaries in Hierarchical Triple Systems”, Naoz, S., Fragos, T., Geller, A. M., Stephan, A. P., & Rasio, F. A., 2016, ApJL, 822, 24 31. “Determining the Age of the Kepler Open Cluster NGC 6819 With a New Triple System and Other Eclipsing Binary Stars”, Brewer, L. N., Sandquist, E. L., Mathieu, R. D., Milliman, K., Geller, A. M., Jeffries, M. W., Jr., Orosz, J. A., Brogaard, K., Platais, I., Bruntt, H., Grundahl, F., Stello, D. & Frandsen, S., 2016, AJ, 151, 66 30. “Interrupted Binary Mass Transfer in Star Clusters”, Leigh, N. W. C., Geller, A. M. & Toonen, S., 2016, ApJ, 818, 21 29. “Formation of new stellar populations from gas accreted by massive young star clusters”, Li, C., de Grijs, R., Deng, L., Geller, A. M., Xin, Y., Hu, Y., Faucher-Giguére, C.-A., 2016, Nature, 529, 502 28. “Implications for the Formation of Blue Straggler Stars from HST Ultraviolet Observations of NGC 188”, Gosnell, N. M., Mathieu, R. D., Geller, A. M., Sills, A., Leigh, N. & Knigge, C., 2015, ApJ, 814, 163 27. “Stellar Radial Velocities in the Old Open Cluster M67 (NGC 2682). I. Memberships, Binaries, and Kinematics”, Geller, A. M., Latham, D. W. & Mathieu, R. D., 2015, AJ, 150, 97 26. “Interrupted Stellar Encounters in Star Clusters”, Geller, A. M. & Leigh, N. W. C., 2015, ApJL, 808, 25 25. “A Highly Eccentric 3.9 Millisecond Binary Pulsar in the Globular Cluster NGC 6652”, DeCesar, M. E., Ransom, S. M., Kaplan, D. L., Ray, P. S. & Geller, A. M., 2015, ApJL, 807, 23 24. “WIYN Open Cluster Study. LXVI. Spectroscopic Binary Orbits in the Young Open Cluster M35 (NGC 2168)”, Leiner, E. M., Mathieu, R. D., Gosnell, N. M. & Geller, A. M., 2015, AJ, 150 10 23. “Small-N collisional dynamics - II. Roaming the realm of not-so-small-N”, Leigh, N. W. C. & Geller, A. M., 2015, MNRAS, 450, 1724 22. “Different Dynamical Ages for the Two Young and Coeval LMC Star Clusters, NGC 1805 and NGC 1818, Imprinted on Their Binary Populations”, Geller, A. M.,deGrijs,R.,Li, C., & Hurley, J. R., 2015, ApH, 805, 11 21. “Bayesian Investigation of Isochrone Consistency Using the Old Open Cluster NGC 188”, Hills, S., von Hippel, T., Courteau, S. & Geller, A. M., 2015, AJ, 149, 94 20. “On the coexistence of stellar-mass and intermediate-mass black holes in globular clusters”, Leigh, N. W. C., Lützgendorf, N., Geller, A. M., Maccarone, T. J., Heinke, C. & Sesana, A., 2014, MNRAS, 444, 29 19. “WIYN Open Cluster Study. LX. Spectroscopic Binary Orbits in NGC 6819”, Milliman, K.E.,Mathieu,R.D.,Geller, A. M. Gosnell, N. M., Meibom, S. & Platais, I., 2014, AJ, 148, 38 18. “Detection of white dwarf companions to blue stragglers: evidence for recent mass transfer’,’ Gosnell, N. M., Mathieu, R. D., Geller, A. M., Sills, A., Leigh, N., & Knigge, C., 2014, ApJ, 783, 8

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 9 of 19 17. “Consequences of Dynamical Disruption and Mass Segregation for the Binary Frequencies of Star Clusters”, Geller, A. M., de Grijs, R., Li, C. & Hurley, J., 2013, ApJ, 779, 30

16. “WOCS 40007: A Detached Eclipsing Binary near the Turnoﬀ of the Open Cluster NGC 6819”, Jeﬀries, M. W., Sandquist, E. L., Mathieu, R. D., Geller, A. M.,Orosz,J.A., Milliman, K. E., Brewer, L. N., Platais, I., Brogaard, K., Grundahl, F., Frandsen, S. Dotter, A. & Stello, D., 2013, AJ, 146, 58

15. “The Dynamical Signiﬁcance of Triple Star Systems in Star Clusters”, Leigh, N. W. C. & Geller, A. M., 2013, MNRAS, 432, 2474

14. “A Long-Period Totally Eclipsing Binary Star at the Turnoﬀ of the Open Cluster NGC 6819 Discovered with Kepler”, Sandquist, E. L, Mathieu, R. D., Brogaard, K., Meibom, S., Geller, A. M., Ororsz, J. A., Milliman, K. E., Jeﬀries, M. W., Brewer, L. N., Platais, I., Grundahl, F., Bruntt, H., Frandsen, S. & Stello, D., 2013, ApJ, 762, 58

13. “Direct N-Body Modeling of the Old Open Cluster NGC 188: A Detailed Comparison of Theoretical and Observed Binary Star and Blue Straggler Populations”, Geller, A. M., Hurley, J. R & Mathieu, R. D., 2012, AJ, 145, 8

12. “Planets in Open Clusters Detectable by Kepler”, Chatterjee, S., Ford, E. B., Geller, A. M. & Rasio, F. A., 2012, MNRAS, 427, 1587

11. “Small-N collisional dynamics: pushing into the realm of not-so-small N”, Leigh, N. & Geller, A. M., 2012, MNRAS, 425, 2369

10. “WIYN Open Cluster Study. XLVIII. The Hard-Binary Population of NGC 188”, Geller, A. M. & Mathieu, R. D., 2012, AJ, 144, 54

9. “An Unexpected Discovery in the Rich Open Cluster NGC 6819 Using XMM-Newton”, Gosnell, N. M., Pooley, D., Geller, A. M.,Kalirai,J.Mathieu,R.D.,Frinchaboy,P.& Ramirez-Ruiz, E., 2012, ApJ, 745, 57

8. “A Mass Transfer Origin for Blue Stragglers in NGC188 as Revealed by Half-Solar-Mass Companions”, Geller, A. M. & Mathieu, R. D., 2011, Nature, 487, 356

7. “WIYN Open Cluster Study. XXXVIII. Stellar Radial Velocities in the Young Open Cluster M35 (NGC 2168)”, Geller, A. M.,Mathieu,R.D.,Braden,E.K.,Meibom,S.,Platais,I.& Dolan, C. J., 2010, AJ, 129, 1383

6. “A Binary Star Fraction of 76 per cent and Unusual Orbit Parameters for the Blue Stragglers of NGC 188”, Mathieu, R. D. & Geller, A. M., 2009, Nature, 462, 1032

5. “WIYN Open Cluster Study. XXIV. Stellar Radial-Velocity Measurements in NGC 6819”, Hole, K. T., Geller, A. M., Mathieu, R. D., Meibom, S., Latham, D. W. & Platais, I., 2009, AJ, 138, 159 4. “WIYN Open Cluster Study. XXXVI. Spectroscopic Binary Orbits in NGC 188”, Geller, A. M., Mathieu, R. D., Harris, H. C. & McClure, R. D., 2009, AJ, 137, 3743

3. “Surprising Dissimilarities in a Newly Formed Pair of ’Identical Twin’ Stars”, Stassun, K. G., Mathieu, R. D., Cargile, P. A., Aarnio, A. N., Stempels, E. & Geller, A. M., 2008, Nature, 453, 1079

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 10 of 19 2. “WIYN Open Cluster Study. XXXII. Stellar Radial Velocities in the Old Open Cluster NGC 188”, Geller, A. M., Mathieu, R. D., Harris, H. C. & McClure, R. D., 2008, AJ, 135, 2264 1. “Puriﬁcation and characterization of an L-amino acid deaminase used to prepare unnatural amino acids”, Pantaleone, D. P., Geller, A. M. & Taylor, P. P., 2001, Journal of Molecular Catalysis B: Enzymatic, Vol. 11, Issue 4, 795-803

PhD Thesis 1. “Binary stars and blue stragglers in the old open cluster NGC 188”, Geller, A. M., 2010, University of Wisconsin - Madison, Advisor, Mathieu, R. D.

Book Chapters 1. “The Blue Stragglers of the Old Open Cluster NGC 188”, Mathieu, R. D. & Geller, A. M., Chapter 3, in “Ecology of Blue Straggler Stars”, H.M.J. Boﬃn, G. Carraro & G. Beccari (Eds), Astrophysics and Space Science Library, Springer (arXiv:1406.3467)

Published Software Packages 1. “Fireﬂy: Interactive exploration of particle-based data”, Geller, A. M., & Gurvich, A., 2018, Astrophysics Source Code Library, ascl:1810.021

Popular Science Articles 1. “Stellar Siblings Get Closer with Age”, Geller, A. M., Nature News & Views, 2017, 547, 41

Conference Proceedings 10. “IDEAS: Immersive Dome Experiences for Accelerating Science”, Faherty, J., SubbaRao, M., Wyatt, R., Ynnerman, A., Tyson, N. deGrasse ., Geller, A. M., Weber, M., Rosenfield, P., Steffen, W., Stoeckle, G., Weiskopf, D., Magnor, M., Williams, P. K. G., Abbott, B., Marchetti, L., Jarrett, T., Fay, J., Peek, J., Graur, O., Durrell, P., Homeier, D., Preston, H., Mller, T., Vos, J. M., Brown, D., Godfrey, P. G., Rice, E., Gagliuffi, D. B., & Bock, A., 2019, Bulletin of the American Astronomical Society, 51, 212 9. “Detection of White Dwarf companions to Blue Straggler Stars from UVIT observations of M67”, Sindhu, N., Subramaniam, A., Geller, A. M., Jadhav, V., Knigge, C., Simunovic, M., Leigh, N., Shara, M., & Puzia, T. H., 2020, Star Clusters: From the Milky Way to the Early Universe, 351, 482 8. “On The Origins Of Sub-Subgiants: Mass Transfer, Dynamical Encounters, And Magnetic Fields”, Leiner, E., Geller, A. M. & Mathieu, R., 2016, The 19th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS19), Uppsala, Sweden, 06-10 June 2016, id.122 7. “Blue straggler stars: lessons from open clusters”, Geller, A. M., Memorie della Societa Astronomica Italiana, 2016, 87, 505 6. “The dynamical importance of binary systems in young massive star clusters”, de Grijs, R., Li, C. & Geller, A. M., Proceedings of the International Astronomical Union, IAU Symposium 316, Eds: C. Charbonnel & A. Nota, 2017, 316, 222 5. “Dynamical Processing of Stars and Planets Through Star Clusters”, Geller, A. M., 2015, Proceedings of the Frank N. Bash Symposium 2015 (BASH2015). 18-20 October. The University of Texas at Austin, USA.

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 11 of 19 4. “Binary Stars in Open Clusters: Connecting Observations and Simulations”, Geller, A. M., 2013, Proceedings of “Setting a new standard in the analysis of binary stars”, Eds.: K. Pavlovski, A. Tkachenko & G. Torres, EAS Publications Series, 2013, 64, 317 3. “Multiplicity of Cool Dwarfs”, Dupuy, T. J., Allen, P. R., Kraus, A. L., Biller, B., Blake, C. H., Davison, C., Deacon, N. R., Duchene, G., Geller, A. M.,King,R.R.,Law,N.M., Nguyen, D. C., Reipurth, B., Winter, J. G. & Zhang, Z., in Proceedings of Cool Stars 17, Astronomische Nachrichten, 2012 2. “The Progeny of Stellar Dynamics and Stellar Evolution within an N-body Simulation of NGC 188”, Geller, A. M., Hurley, J. R. & Mathieu, R. D. in Proceedings of IAU Symposium 266, Eds.: R. de Grijs & J. R. D. L´epine, 2010, 258 1. “Dynamics of the Open Cluster NGC 188: A Comparison to an N-body Simulation of M67”, Geller, A. M., Mathieu, R. D., Harris, H. C. & McClure, R. D., in Proceedings of IAU Symposium 246, Eds.: E. Vesperini, M. Gierz & A. Sills, 2008, 111

Conference Abstracts 42. “Radial-Velocity Measurements and Spectroscopic Binary Orbits in the Open Cluster NGC 7789”, Nine, A., Milliman, K., Mathieu, R., Geller, A. M., Leiner, E., Platais, I., & Tofflemire, B., 2020, American Astronomical Society Meeting Abstracts #236, 236, 328.01 41. “Constraining Mass Transfer Histories of Blue Straggler Stars: MESA Modeling of Formation Pathways”, Leiner, E., Gosnell, N., Mathieu, R., Geller, A. M., Knigge, C., Sills, A., & Leigh, N., 2020, American Astronomical Society Meeting Abstracts #235, 235, 265.05 40. “Constraining Mass Transfer Histories of Blue Straggler Stars: Observations with HST/COS and Resulting WD Atmosphere Fits”, Gosnell, N. M., Leiner, E. M., Mathieu, R. D., Geller, A. M., Knigge, C., Sills, A., & Leigh, N., 2020, American Astronomical Society Meeting Abstracts #235, 235, 265.04 39. “Simulating the Recovery Rate of Eclipsing Binaries in Star Clusters with LSST”, Bowen, A., & Geller, A. M., 2020, American Astronomical Society Meeting Abstracts #235, 235, 170.17 38. “Exploring the Evolution of Planetary Systems within Stellar Open Clusters”, Glaser, J., McMillan, S. L., & Geller, A. M., 2020, American Astronomical Society Meeting Abstracts #235, 235, 120.02 37. “IDEAS: Immersive Dome Experiences for Accelerating Science”, Faherty, J., SubbaRao, M., Wyatt, R., Ynnerman, A., Tyson, N. deGrasse ., Geller, A. M., Weber, M., Rosenfield, P., Steffen, W., Stoeckle, G., Weiskopf, D., Magnor, M., Williams, P. K. G., Abbott, B., Marchetti, L., Jarrett, T., Fay, J., Peek, J., Graur, O., Durrell, P., Homeier, D., Preston, H., Mller, T., Vos, J. M., Brown, D., Godfrey, P. G., Rice, E., Gagliuffi, D. B., & Bock, A., 2019, Bulletin of the American Astronomical Society, 51, 212 36. “Can a hot Jupiter host exomoons?”, Trani, A. A., Hamers, A., & Geller, A. M., 2019, AAS/Division for Extreme Solar Systems Abstracts, 51, 318.18 35. “Companion-driven evolution of massive stellar binaries”, Rose, S. C., Naoz, S., & Geller, A. M., 2019, AAS/Division of Dynamical Astronomy Meeting, 51, 202.05 34. “Exploring the Eclipsing Binary Yield of the Large Synoptic Survey Telescope”, Polzin, A., Geller, A. M., Miller, A., & Breivik, K., 2019, American Astronomical Society Meeting Abstracts #233, 233, 363.17

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 12 of 19 33. “Variable star classiﬁcation with crowd sourcing”, Easton, N., Miller, A., & Geller, A. M., 2019, American Astronomical Society Meeting Abstracts #233, 233, 360.15

32. “Visualizing HII Regions in FIRE Galaxy Simulations”, Shiferaw, M., Gurvich, A., Geller, A. M., Faucher-Gigure, C.-A., & Richings, A., 2019, American Astronomical Society Meeting Abstracts #233, 233, 253.05

31. “TYCHO: Simulating the Lives of Exoplanets within Stellar Clusters”, Glaser, J. P., McMillan, S., Geller, A. M., Thornton, J. D., & Giovinazzi, M., 2019, American Astronomical Society Meeting Abstracts #233, 233, 247.38

30. “Using White Dwarf Companions of Blue Stragglers to Constrain Mass Transfer Physics”, Gosnell, N. M., Leiner, E., Geller, A. M., Knigge, C., Mathieu, R. D., Sills, A., & Leigh, N., 2018, American Astronomical Society Meeting Abstracts #232, 232, 315.04

29. “TYCHO: Simulating Exoplanets Within Stellar Clusters”, Glaser, J. P., Thornton, J., Geller, A. M., & McMillan, S., 2018, American Astronomical Society Meeting Abstracts #231, 231, 257.22

28. “COS Spectroscopy of White Dwarf Companions to Blue Stragglers”, Gosnell, N. M., Geller, A. M., Knigge, C., Mathieu, R. D., Sills, A., Leiner, E., & Leigh, N., 2017, American Astronomical Society Meeting Abstracts #229, 229, 344.11

27. “Exploring Sources of Gravitational Waves From Star Cluster Dynamics”, Fuhrman, J., Geller, A. M., Rodriguez, C. L., & Rasio, F. A., 2017, American Astronomical Society Meeting Abstracts #229, 229, 247.06

26. “On The Origins Of Sub-Subgiants: Mass Transfer, Dynamical Encounters, And Magnetic Fields”, Leiner, E., Geller, A. M., & Mathieu, R., 2016, 19th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS19), 122

25. “Blue straggler stars: lessons from open clusters.”, Geller, A. M., 2016, Memorie della Societa Astronomica Italiana, 87, 505

24. “Uncovered: Progenitors of globular clusters showing oﬀ their multiple stellar populations”, de Grijs, R., Li, C., Deng, L., Geller, A. M., Xin, Y., Hu, Y., & Faucher-Giguere, C.-A., 2016, American Astronomical Society Meeting Abstracts #227, 227, 240.04

23. “The Mass-Transfer Formation Frequency of Blue Straggler Stars in the Old Open Cluster NGC 188”, Gosnell, N. M., Mathieu, R. D., Sills, A., Geller, A. M., Leigh, N., & Knigge, C., 2015, American Astronomical Society Meeting Abstracts #225, 225, 342.15

22. “Consequences of dynamical disruption and mass segregation for the binary frequencies of star clusters”, Geller, A. M., 2014, Binary Systems, their Evolution and Environments, 23

21. “Consequences of Dynamical Disruption and Mass Segregation for the Binary Frequencies of Star Clusters”, Geller, A. M., de Grijs, R., Li, C., & Hurley, J., 2014, American Astronomical Society Meeting Abstracts #223, 223, 442.26

20. “Spectroscopic Binary Orbits in the Young Open Cluster M35”, Leiner, E., Mathieu, R. D., & Geller, A. M., 2014, American Astronomical Society Meeting Abstracts #223, 223, 442.15

19. “Probing the Dynamics of Open Star Clusters with WIYN/Hydra”, Geller, A. M., 2013, American Astronomical Society Meeting Abstracts, 222, 105.02

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 13 of 19 18. “Prospect for Kepler Detecting Planets in Open Clusters”, Chatterjee, S., Ford, E. B., Geller, A. M., & Rasio, F. A., 2013, American Astronomical Society Meeting Abstracts #221, 221, 407.06

17. “How Stellar Encounter Shape the Binary Populations of Open Clusters”, Geller, A. M., Mathieu, R. D., & Hurley, J. R., 2013, American Astronomical Society Meeting Abstracts #221, 221, 331.04

16. “Detecting White Dwarf Companions of Blue Straggler Binaries in the Old Open Cluster NGC 188”, Gosnell, N. M., Mathieu, R. D., Geller, A. M., Knigge, C., Sills, A., & Leigh, N., 2013, American Astronomical Society Meeting Abstracts #221, 221, 250.46

15. “A Detached Eclipsing Binary near the Turnoﬀ of the Open Cluster NGC 6819 and Determining Age Using Kepler”, Brewer, L., Sandquist, E. L., Mathieu, R. D., Milliman, K., Geller, A. M., Jeﬀries, M., Orosz, J. A., Brogaard, K. F., Platais, I., Bruntt, H., Grundahl, F., Stello, D., & Frandsen, S., 2013, American Astronomical Society Meeting Abstracts #221, 221, 250.36

14. “Cluster Membership, Binarity and Stellar Rotation in the Young Open Cluster M37”, Geller, A. M., Meibom, S., Barnes, S., Mathieu, R. D., Hartman, J., & Holman, M., 2012, American Astronomical Society Meeting Abstracts #220, 220, 438.01

13. “Intriguing Sources from the XMM-Newton Survey of Rich Open Clusters”, Gosnell, N. M., Pooley, D., Geller, A. M., Mathieu, R. D., Kalirai, J., Frinchaboy, P., & Ramirez-Ruiz, E., 2012, American Astronomical Society Meeting Abstracts #220, 220, 121.05

12. “WIYN Open Cluster Study: Orbital Solutions for Hard Binaries of NGC 6819”, Milliman, K.,Mathieu,R.,Geller, A. M., Gosnell, N. M., & Meibom, S., 2012, American Astronomical Society Meeting Abstracts #219, 219, 153.36

11. “Empirical Constraints on Common Envelope Evolution in Wide Binaries”, Geller, A. M., Hurley, J. R., & Mathieu, R. D., 2012, American Astronomical Society Meeting Abstracts #219, 219, 132.07

10. “Ages of Old Open Clusters in the Kepler Field from Detached Eclipsing Binaries”, Sandquist, E. L., Brogaard, K., Grundahl, F., Jeﬀries, M., Mathieu, R., Shetrone, M., Orosz, J., Bruntt, H., Clausen, J. V., Dotter, A., Frandsen, S., Geller, A. M., Stello, D., VandenBerg, D., & Williams, K., 2011, American Astronomical Society Meeting Abstracts #218, 218, 311.04

9. “Evidence for a Mass-Transfer Origin for the Long-Period Blue Straggler Binaries in the Old Open Cluster NGC 188”, Mathieu, R. D., & Geller, A. M., 2011, American Astronomical Society Meeting Abstracts #218, 218, 217.07

8. “The Impact of Triple Stars on the Formation of the NGC 188 Blue Stragglers”, Geller, A. M., Hurley, J. R., & Mathieu, R. D., 2011, American Astronomical Society Meeting Abstracts #217, 217, 327.02

7. “Two Detached Eclipsing Binaries near the Turnoﬀ of the Open Cluster NGC 6819”, Jeﬀries, M., Sandquist, E. L., Mathieu, R. D., Geller, A. M., Orosz, J. A., & Shetrone, M. D., 2011, American Astronomical Society Meeting Abstracts #217, 217, 152.34

6. “X-Ray Sources in the Rich Open Cluster NGC 6819”, Gosnell, N. M., Pooley, D., Kalirai, J. S., Geller, A. M., Mathieu, R. D., Frinchaboy, P., & Ramirez-Ruiz, E., 2011, American Astronomical Society Meeting Abstracts #217, 217, 152.31

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 14 of 19 5. “Exploring Possible Origins of an Improbable Binary Star in the Open Cluster NGC 6819 Through Dynamical Exchange Simulations”, Finzell, T., Geller, A. M., Gosnell, N., & Mathieu, R., 2011, American Astronomical Society Meeting Abstracts #217, 217, 144.17 4. “An In-depth Dynamical Study of the Old Open Cluster NGC 188”, Geller, A. M., 2010, American Astronomical Society Meeting Abstracts #215, 215, 308.01 3. “X-ray Sources in the Rich Open Cluster NGC 6819”, Gosnell, N., Frinchaboy, P., Geller, A. M., Kalirai, J., Mathieu, R., Pooley, D., & Ramirez-Ruiz, E., 2009, Chandra’s First Decade of Discovery, 112 2. “Investigating Dynamical Formation Scenarios for an Interesting Binary in Open Cluster NGC 6819”, Gosnell, N., DiPompeo, M. A., Braden, E. K., Geller, A. M., & Mathieu, R. D., 2007, American Astronomical Society Meeting Abstracts, 211, 58.34 1. “Dynamics Of The Open Cluster NGC 188: A Comparison To An N-body Simulation Of M67”, Geller, A. M., Mathieu, R. D., Harris, H. C., . McClure, R. D., 2007, American Astronomical Society Meeting Abstracts, 211, 58.12 SELECTED CONFERENCE TALKS AND COLLOQUIA • “Visualizing Your N-body Simulations” (Invited), N-body Scattering Workshop, Center for Computational Astrophysics, Sept. 2017, (30 min.) • “The Lives of ‘Exotic’ Stars” (Invited), MODEST16-NYC, American Museum of Natural History, Sept. 2016, (35 min.) • “Blue Straggler Stars: Lessons from Open Clusters” (Invited), Bologna, Italy, The Cosmic-Lab Conference, April 2016, (45 min.) • “The Lives and Deaths of Stars Viewed by The Hubble Space Telescope” (Public), The Adler Planetarium, April, 2015 (30 min.) as part of the HST 25th Anniversary Celebration • “ Dynamical Processing of Stars and Planets Through Star Clusters” (Invited), Austin, TX, Frank N. Bash Symposium 2015, “New Horizons in Astronomy”, Oct. 2015 (45 min.), Also given at University of Illinois Urbana/Champaign (Feb. 2015); Illinois Institute of Technology (Sept. 2015); Northeastern Illinois University (Nov. 2015) • “Consequences of Dynamical Disruption and Mass Segregation for the Binary Frequencies of Star Clusters”, Ulaanbaatar, Mongolia, “Binary systems, their evolution and environments” conference, Sept. 2014 (20 min.) • “Binary Stars in Open Clusters: Connecting Observations and Simulations”, Leuven, Belgium, “Setting a new standard in the analysis of binary stars” conference, Oct. 2013 (20 min.) • “The Dynamical Environments of Open Star Clusters”, Michigan State U.; Notre Dame; Indiana U.; University of Wisconsin - Milwaukee; Groningen, Netherlands; Potsdam, Germany, 2013-2014 (60 min.) • “Blue Straggler Formation in Open Star Clusters”, (Invited) Santiago, Chile, “The Ecology of Blue Straggler Stars” conference, Nov. 2012 (40 min.) • “Vampire Stars and the (Re)Birth of Blue Stragglers”, Adler Planetarium; Oct. 2012 (60 min.) • “Neutron Star qLMXBs in Open Clusters?!”, Lorentz Center, Leiden, Netherlands, “Compact Binaries in Globular Clusters” conference, Sept. 2012 (20 min.) • “Binary Stars in Open Clusters: Connecting Young and Old”, Barcelona, Spain, Cool Stars 17 splinter session “Multiplicity of Cool Dwarfs”, June 2012 (15 min.)

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 15 of 19 • “How Important are Binary Stars to the Dynamical Evolution of Open Clusters?”, Harvard-Smithsonian ITC, Apr. 2012 (60 min.) • “Blue Stragglers and Binary Stars in Open Clusters”, ESA ESTEC, Netherlands; Leiden University, Netherlands, Apr. 2012 (60 min.) • “Companions to the NGC 188 Blue Stragglers”, (Invited) Northwestern U., “The Future of Astronomy: Fellows at the Frontiers of Science” conference, Sept. 2011 (20 min.)

• “Binary Stars and Blue Stragglers in the Old Open Cluster NGC 188”, NAOC and KIAA in Beijing, China, MODEST-10 Conference, Aug. 2010 (30 min.) • “The Progeny of Stellar Dynamics and Stellar Evolution within an N-body model of NGC 188”, Rio de Janeiro, Brazil, IAUS 266, Aug. 2009 (20 min.)

PRESS Showing selected high impact websites.

For: “Formation of New Stellar Populations from Gas Accreted by Massive Young Star Clusters”, Li, C., de Grijs, R., Deng, L., Geller, A. M., Xin, Y., Hu, Y., Faucher-Gigu´ere, C.-A., 2016, Nature, 529, 502 • ABC: “Glittering globular clusters may pull gas from galaxies to make new stars” http://www.abc.net.au/news/science/2016-01-28/ globular-clusters-may-pull-gas-from-galaxies-to-make-new-stars/7117826

• Space.com: “2nd Generation of Stars Can Rise from Stellar Clusters” http://www.space.com/31750-star-formation-second-generation-stellar-clusters.html

• Phys.org: “Stellar parenting: Making new stars by ’adopting’ stray cosmic gases” https://phys.org/news/2016-01-stellar-parenting-stars-stray-cosmic.html

• Tech Times: “Stellar Drama: Globular Clusters ’Adopt’ Baby Stars Rather Than Having ’Biological Children’ http://www.techtimes.com/articles/128598/20160128/ stellar-drama-globular-clusters-adopt-baby-stars-rather-than-having-biological-children.htm

• Shanghai Daily (China): “Study reveals why giant star clusters could be home to variously aged star populations” http://www.shanghaidaily.com/article/article_xinhua.aspx?id=317879

• Media INAF (Italy): “Adozioni stellari” http://www.media.inaf.it/2016/01/27/adozioni-stellari/

• WebIndia123 (India): “Giant star clusters adopt stray cosmic gases to make new stars” http://news.webindia123.com/news/Articles/India/20160128/2780398.html

For: “A Mass Transfer Origin for Blue Stragglers in NGC188 as Revealed by Half-Solar-Mass Companions”, Geller, A. M. & Mathieu, R. D. 2011, Nature, 487, 356 • MSNBC: “Vampire stars mystery may have been solved” http://www.msnbc.msn.com/id/44964854/ns/technology_and_science-space/

• CNN: “Why these blue stars should(n’t) exist” http://lightyears.blogs.cnn.com/2011/10/19/why-these-blue-stars-shouldnt-exist/

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 16 of 19 • NPR: “Did Giant Stars Feed Blue Stragglers?” http://www.npr.org/2011/10/21/141591183/did-giant-stars-feed-blue-stragglers

• Space.com: “How Mysterious Vampire Stars Drain Life from Neighbors” http://www.space.com/13326-mysterious-vampire-stars-blue-stragglers.html

• Astronomy Magazine: “Blue stragglers: Astronomers discover how mysterious stars stay so young” http://www.astronomy.com/~/link.aspx?_id=ab4201d1-f536-4efb-a9e4-3dcd336e9a4d • Media INAF (Italy): “Stelle che sembrano pi´u giovani” http://www.media.inaf.it/2011/10/19/stelle-che-sembrano-piu-giovani/

• SINC (Spain): “Las estrellas rezagadas azules reciben la masa de las compa˜neras” http://www.agenciasinc.es/imagenes/inicio/(imagen)/86876

• Additional sites (links no longer active): Discovery: “Catching Up with the Blue Stragglers” Sky & Telescope Magazine: “’Blue Stragglers’ Renewed by Stealing” Cosmos Magazine: “Stars that shouldn’t exist explained” UPI: “Mystery of age-defying blue stars solved” La Repubblica (Italy): “Mistero ’vagabonde blu’ enigmatiche stelle bambine” Teleskopy (Poland): “Astronomowie odkrywaj¸asekretmlodo´sci bl¸ekitnych maruder´ow”

For: “A Binary Star Fraction of 76 per cent and Unusual Orbit Parameters for the Blue Stragglers of NGC 188”, Mathieu, R. D. & Geller, A. M. 2009, Nature, 462, 1032 • Astronomy Magazine: “Stellar mosh pit resolves a mystery” http://www.astronomy.com/en/News-Observing/News/2009/12/Stellar%20mosh%20pit%20resolves%20a%20mystery.aspx

• Additional sites (links no longer active): Science Magazine “How Some Stars Stay Young”; USC (Ukraine): “Youthful Appearance of Stars Known as Blue Stragglers Explained”

For: “Surprising Dissimilarities in a Newly Formed Pair of ’Identical Twin’ Stars”, Stassun, K. G., Mathieu, R. D., Cargile, P. A., Aarnio, A. N., Stempels, E. & Geller, A. M. 2008, Nature, 453, 1079 • ABC: “Orion twins show not all are identical” http://www.abc.net.au/science/articles/2008/06/30/2289910.htm

• Fox: “Twin Stars Born 500,000 Years Apart” http://www.foxnews.com/story/0,2933,370244,00.html

• USA Today: “Identical twin stars are a lesson in birth order” http://content.usatoday.com/communities/sciencefair/post/2008/06/774473/1

• Additional sites (links no longer active): Discovery: “Orion’s Twin Stars Have Their Diﬀerences” Science Magazine: “Twin Stars Not So Identical”; UPI: “Binary stars might not form simultaneously”

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 17 of 19 SELECTED VISUALIZATIONS Please see additional visualization products on : • My website : https://faculty.wcas.northwestern.edu/aaron-geller/visuals.html • My YouTube channel : https://bit.ly/AGellerYouTube

Interactive Educations Websites • Fireﬂy: Interactive particle viewer for any 3D data set https://ageller.github.io/Firefly/ • Aquarius Project: Shows ﬂight of asteroid that impacted in Lake Michigan in 2017 https://ageller.github.io/Adler_AquariusProject/ • Exoplanets: Fly through and investigate exoplanet discoveries https://kavlilectures.adlerplanetarium.org/wp-content/uploads/Adler_Kavli_Lectures/2017Nov_Exoplanets/ • Scatter Viewer: Visualize any N-body scattering experiment https://ageller.github.io/Scatter_WebGL/ • Variable Star Synthesizer: Make music with variable star waveforms https://ageller.github.io/Tonejs-synth-vis/ • Molecule Viewer: used in Northwestern Material Science Courses https://ageller.github.io/EmeryInteractive/ • LIGO Neutron Star Collision: for GW170817 LIGO event https://ciera.northwestern.edu/gallery/final-flight-of-a-neutron-star-pair/ • LIGO Mass Plot: Created by Frank Elavsky; I have maintained and updated it since Nov. 2018 https://media.ligo.northwestern.edu/gallery/mass-plot • Light Curve Viewer: a precursor for our Zooniverse Stellar Sleuths project hhttps://github.com/ageller/LCd3 • Galaxy Zoo Machine Learning App: created for a touch table exhibit in the Adler’s SVL https://github.com/ageller/SVLml5jsZoo

Uniview Modules • Model approximating M82 Galaxy using FIRE data and showing SN 2014J https://github.com/ageller/UniviewM82 • Model of a SN Ia https://github.com/ageller/UniviewSN-Ia • Model of Hanny’s Voorwerp https://github.com/ageller/UniviewVoorwerp • Supernovae over time from historic data, and predictions for the Vera Rubin Observatory https://github.com/ageller/UniviewSNvTime • Supernovae from the SDSS galaxies as expected for the Rubin Observatory detection rate. https://github.com/ageller/UniviewSDSSLSSTSNe • Model of a blazar, meant to represent TXS 0506+056 https://github.com/ageller/UniviewBlazar • Model of the IceCube neutrino detector, with data from the 170922A event https://github.com/ageller/UniviewIceCube

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 18 of 19 • NS - NS merger, including GRB and kilonova, meant to represent GW170817 event https://github.com/ageller/UniviewKilonova • SN1987a model, inlcuding burst of neutrinos prior to explosion https://github.com/ageller/UniviewSN1987a • Evolving Sun, Earth and Venus (for climate change) https://github.com/ageller/UniviewFaintYoungSun • GRACE satellite data, overlayed on a map of the Earth, over time https://github.com/ageller/UniviewGRACE • Changing Earth glacier and CO2 levels over time. https://github.com/ageller/UniviewVostok • Pleiades N-body model over time https://github.com/ageller/UniviewPleiadesEvol • Future evolution of our Solar System https://github.com/ageller/UniviewSolarSystemEvol

Unity Modules • GPGPU N-body star cluster explorer https://github.com/ageller/UnityNbodyCluster • Gaia DR2 explorer with labelled star clusters https://github.com/ageller/UnityGaiaHDRStarClusters

Movies • Imagined ﬂight of the Ingenuity Mars helicopter, set to my music https://youtu.be/6VO-6ze-vD8 • Narrated life of the Pleiades cluster, from and N-body simulation https://youtu.be/j5f-bUx1Jms • Binary+single encounter (see others on my website) https://youtu.be/1-32BK4XZg0 • Evolving color-magnitude diagram, from NGC 188 N-body model https://youtu.be/FwxondGcSs4 • Late evolution of our Solar System https://youtu.be/PsG2ngAYIII • Flight paths to Chicago https://youtu.be/GbVOLjX64gA

Publication Figures • Summary ﬁgure fort the BNS merger event GW170817 and GRB 170817A Figure 2 of Astrophysical Journal Letters 848, L13 (2017) • Paraview models of particles, including static ﬁgures and animations Figures 2.H, 2.I, 2.J 4.F and 4.G, and Movies S1, S2, S3, in Science Vol. 364, Issue 6446, pp 1174 (2019)

Scientiﬁc Image Contest Awards • Black Hole Encounter; realistic rendering of three black holes in a dense star cluster

Update Sept. 2021 Aaron M. Geller Curriculum Vitae Page 19 of 19

1st place and the People’s Choice Award 2017 Northwestern Scientific Image Contest • When Worlds Collide; rendering of planet collision simulation People’s Choice Award and an Honorable Mention in the 2015 Northwestern Scientific Image Contest • Star Cluster Evolution in Stereo3D; time-lapse image of N-body simulation (in stereoscopic 3D) 4th place in the 2014 Northwestern Scientific Image Contest

Press Release Images • Astronomy Picture of the Day (Nov. 4, 2020) https://apod.nasa.gov/apod/ap201104.html • Black hole ‘family portrait’ is most detailed to date (Oct. 28, 2020) https://news.northwestern.edu/stories/2020/10/black-hole-family-portrait-is-most-detailed-to-date/ • Calcium-rich supernova examined with X-rays for ﬁrst time (Aug. 5, 2020) https://news.northwestern.edu/stories/2020/07/calcium-rich-supernova-examined-with-x-rays-for-first-time • Scientists discover supernova that outshines all others (Apr. 13, 2020) https://www.birmingham.ac.uk/news/latest/2020/04/scientists-discover-supernova-that-outshines-all-others. aspx • LIGO press release images generated by the interactive Mass Plot (2019-2020) https://news.northwestern.edu/stories/2020/10/black-hole-family-portrait-is-most-detailed-to-date/ https://www.ligo.caltech.edu/WA/image/ligo20200902a https://news.northwestern.edu/stories/2020/06/ligo-virgo-finds-mystery-astronomical-object-in-mass-gap/ • Astronomers Explain ‘Blue Stragglers’ (Oct. 17, 2011) https://www.northwestern.edu/newscenter/stories/2011/10/blue-stragglers.html

Update Sept. 2021