Curriculum Vitae for MERCEDES T. RICHARDS
Work Address: Department of Astronomy & Astrophysics, Penn State University,
525 Davey Lab, University Park, PA 16802-6305
- Telephone:
- (814) 865-0150 (office); (814) 863-3399 (fax)
- E-mail address: [email protected]
- Web address: http://www.astro.psu.edu/~mrichards
Education
Ph.D., 1986, Astronomy, University of Toronto M.Sc., 1979, Astronomy, York University B.Sc., 1977, Physics, University of the West Indies Graduate Awards: University of the West Indies Graduate Scholarship, 1977-1979; York University Scholarship, 1977-1979; University of Toronto Doctoral Fellowship, 1979-1981; Frank Hogg Fellowship, 1981-1982; C. A. Chant Fellowship, 1982-1983; Carl Reinhardt Fellowship, 1981-1986.
Academic Positions
2003 – 2002 –
: Assistant Head, Department of Astronomy & Astrophysics, Penn State University : Professor, Department of Astronomy & Astrophysics, Penn State University
2000 – 2001: Visiting Scientist, Institute for Advanced Study, Princeton 1999 – 2002: Professor, Department of Astronomy, University of Virginia 1993 – 1999: Associate Professor, Department of Astronomy, University of Virginia 1987 – 1993: Assistant Professor, Department of Astronomy, University of Virginia 1986 – 1987: Visiting Scholar, Dept. of Physics & Astronomy, U. North Carolina, Chapel Hill 1979 – 1985: Teaching Assistant, Department of Astronomy, University of Toronto, Canada 1977 – 1979: Research/Teaching Assistant, Centre for Research in Earth & Space Science, York University
Academic Service Positions
2007 – 2010: Nominating Committee, American Astronomical Society 2006 – 2012: Organizing Committee, IAU Commission 42 (Division V, Binary Stars) 2004 – now : Harlow Shapley Visiting Lecturer, American Astronomical Society 2002 – now : Board of Advisors, Caribbean Institute of Astronomy (CARINA), University of the West Indies 1997 – 2001: Committee on the Status of Minorities in Astronomy, American Astronomical Society
Main Research Interests
Multiwavelength spectroscopy of Algols and RS CVn binaries; Magnetic activity in cool stars; Hydrodynamic simulations of interacting binaries; Doppler tomography of interacting binaries
Memberships
American Astronomical Society (since 1982), Astronomical Society of the Pacific (since 1992), Association for Women in Science (since 1981), International Astronomical Union (Division V, Commission 42: Close Binary Stars; since 1992), Phi Eta Sigma National Honor Society (since 2005)
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PUBLICATIONS
Refereed Articles and Conference Proceedings
1. Davis, M. T., Weller, W. W., & Jeffers, S. 1978, "Spectrophotometry of Nova Cygni 1975," Eighth
Annual Symposium on Experimental Space Science, York University, Toronto, p. 17
2. Richards, M. T., Mochnacki, S. W., & Bolton, C. T. 1988,"Nonsimultaneous Multicolor Light-Curve
Analysis of Algol (! Persei)," Astron. J., 96, 326 – 336
3. Richards, M. T., Bolton, C. T., & Mochnacki, S. W. 1989,"A New Model for Algol (! Persei)," Space Sci.
Rev., 50, 358
4. Richards, M. T. 1989, "Starspot Activity in Algol," in Sixth Cambridge Workshop on Cool Stars, Stellar
Systems and the Sun, ed. G. Wallerstein, ASP Conf. Ser., Vol. 9 (San Francisco: ASP), 221 – 223
5. Richards, M. T. 1990, "The RS Canum Venaticorum Characteristics of the Infrared Light Curves of
Algol," Astrophys. J., 350, 372 – 385
6. Richards, M. T. 1992, "Magnetic Activity in Algol-type Binaries," in Seventh Cambridge Workshop on
Cool Stars, Stellar Systems and the Sun, ed. M. Giampapa and J. Bookbinder, ASP Conf. Ser., Vol. 26 (San Francisco: ASP), 367 – 369
7. Richards, M. T. 1992, "Consequences of the Star-Stream Interaction in Algol," Astrophys. J., 387, 329 –
339
8. Richards, M. T. 1993, "Circumstellar Material in Algol: A Study of the Balmer Line Profiles," Astrophys.
J. Suppl., 86, 255 – 291
9. Richards, M. T., & Albright, G. E. 1993, "Evidence of Magnetic Activity in Short-period Algol Binaries,"
Astrophys. J. Suppl., 88, 199 – 204
10. Albright, G. E., & Richards, M. T. 1993, "Circumstellar Material in TX Ursae Majoris," Astrophys. J.,
414, 830 – 845
11. Richards, M. T., & Albright, G. E. 1994, "Facilities for Infrared Photometry and Spectroscopy of Shortperiod Algols," in Optical Astronomy From The Earth and Moon, ed. D. M. Pyper and R. J. Angione, ASP Conf. Ser., Vol. 55 (San Francisco: ASP), 251 – 254
12. Richards, M. T., & Albright, G. E. 1994, "Full-orbit Spectroscopy of Nine Short-period Algols," in
Interacting Binary Stars, ed. A. W. Shafter, ASP Conf. Ser., Vol. 56 (San Francisco: ASP), 393 – 396
13. Albright, G. E., & Richards, M. T. 1994, "Evidence of Mass Transfer in TX UMa," in Interacting Binary
Stars, ed. A. W. Shafter, ASP Conf. Ser., Vol. 56 (San Francisco: ASP), 360 – 363
14. Richards, M., Jones, R., Swain, M., Mattson, C., & Albright, G. 1994, "Doppler Tomography of
Accretion Regions in Algols," in Proceedings of Circumstellar Matter, An International Conference in Celebration of the Centenary of the Royal Observatory Edinburgh, ed. G. Watt., p. 97
15. Richards, M. T., Albright, G. E., Bowles, L. M. 1995, "Doppler Tomography of the Gas Stream in Shortperiod Algol Binaries," Astrophys. J. Letters, 438, L103 – L106
16. Albright, G. E., & Richards, M. T. 1995, "The Transient Accretion Disk in the Algol-type Binary U
Sagittae," Astrophys. J., 441, 806 – 820
17. Blondin, J. M., Richards, M. T., & Malinkowski, M. 1995, "Hydrodynamic Simulations of the Mass
Transfer in Algol," Astrophys. J., 445, 939 – 946
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18. Richards, M. T. 1995, "The Structure of Accretion Regions in Algols," in Proceedings of the XXI Day of
Scientific Lectures and 17th Annual Meeting of the National Society of Black Physicists, Rutgers University, New Jersey, p. 40
19. Richards, M. T., Albright, G. E., & Bowles, L. M. 1995, "Doppler Tomography of Accretion Regions in
Algols," Astrophys. Space Sci., 224, 547 – 548
20. Albright, G. E., & Richards, M. T. 1995, "Circumstellar Matter in Direct Impact Algol Systems,"
Astrophys. Space Sci., 224, 415 – 416
21. Richards, M. T., Jones, R. D., & Swain, M. A. 1996, "Doppler Tomography and S-wave Analysis of
Circumstellar Gas in ! Persei," Astrophys. J., 459, 249 – 258, and color Plate 3
22. Albright, G. E., & Richards, M. T. 1996, "Doppler Tomography of Accretion Disks in Algol Binaries,"
Astrophys. J. Letters, 459, L99 – 102, and color Plate L14
23. Richards, M. T., & Albright, G. E. 1996, "Doppler Tomography of Chromospheres and Accretion Regions in Algol Binaries," in Stellar Surface Structure, ed. K. Strassmeier and J. Linsky (Dordrecht: Kluwer), 493 – 500
24. Ratliff, M. A., & Richards, M. T. 1997, "Hydrodynamical Simulations of H" Emission in Algol binaries," in Accretion Phenomena and Related Outflows, ed. D. Wickramasinghe, G. Bicknell & L. Ferrario, ASP Conf. Ser., Vol. 121 (San Francisco: ASP), 785 – 786
25. Richards, M. T., & Ratliff, M. A. 1998, "Hydrodynamic Simulations of H" Emission in Algol Binaries,"
Astrophys. J., 493, 326 – 341 and color Plate 11
26. Koubsky, P., Richards, M. T., & Simon, V. 1998, "Circumstellar Matter in the Interacting Binary CX
Draconis," in Proceedings of the 20th Stellar Conference of the Czech and Slovak Astronomical Institutes, Brno, Czech Republic, eds. J. Dusek and M. Zejda, 64 – 72
27. Koubsky, P., Harmanec, P., Bozic, H., Percy, J. R., Ziznovsky, J., Huang, L., Richards, M. T., Hadrava, P.,
& Simon, V. 1998, "Spectroscopy and Photometry of the Interacting Binary CX Draconis - Evidence for Circumstellar Matter," Hvar Observatory Bull., 22, 17 – 34
28. Richards, M. T., Waltman, E. B., Foster, R. S., & Ghigo, F. 1998, "Flaring Activity Cycles in ! Per and
HR 1099 from a 2GHz and 8GHz Radio Survey," in Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, eds. R.A. Donahue & J.A. Bookbinder, ASP Conf. Ser., Vol. 154 (San Francisco: ASP), 1546 – 1550
29. Richards, M. T., & Russell, S. 1998, "Dependence of Radio Flaring Activity on Orbital Phase in Archival
Observations of Algol-type and RS CVn Binaries," in Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, eds. R.A. Donahue & J.A. Bookbinder, ASP Conf. Ser., Vol. 154 (San Francisco: ASP), 1551 – 1559
30. Richards, M. T., & Rosolowsky, E. W. 1998, "Doppler Tomography of Ultraviolet Spectra of HR 1099," in Tenth Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, eds. R.A. Donahue & J.A. Bookbinder, ASP Conf. Ser., Vol. 154 (San Francisco: ASP), 2038 – 2041
31. Kempner, J. C., & Richards, M. T. 1999, "Analysis of the Si IV Ultraviolet Spectra of U Sagittae,"
Astrophys. J., 512, 345 – 350
32. Richards, M. T., & Albright, G. E. 1999, "Morphologies of H" Accretion Regions in Algol Binaries,"
Astrophys. J. Suppl., 123, 537 – 626
4
33. Richards, M. T., Koubsky, P., Simon, V., Peters, G. J., Hirata, R., Skoda, P., & Masuda, S. 2000, "A
Multiwavelength Study of Spectral Variations in the CX Draconis Binary," Astrophys. J., 531, 1003 – 1027
34. Richards, M. T. 2000, "The Journey to Algol," Mercury, Vol. 29, No. 4, pp. 34 – 40 35. Richards, M. T. 2000, "The Status of the Algols," Reports on Astronomy - Transactions of the
International Astronomical Union, Vol. XXIVA (Triennial Report of Commission 42, page 9), ed. J. Andersen, (Provo, Astron. Soc. Pacific), ISBN 1-58381-035-8
36. Richards, M. T. 2001, "Doppler Tomography of Eclipsing and Non-eclipsing Algols," Astrotomography:
Indirect Imaging Methods in Observational Astronomy, Springer Lecture Notes in Physics Series, Vol. 573, H.M.J. Boffin, D. Steeghs, & J. Cuypers (eds.), pp. 276 – 300 (Invited Review)
37. Richards, M. T. 2001, "The Journey to Algol," Powerweb: Astronomy, Article 35 (McGraw-Hill/Dushkin:
New York; http://www.dushkin.com/powerweb/), pp. 1 – 11
38. Richards, M. T. 2003, "Images of Active Mass Transfer in Direct Impact Close Binary Systems," in 3D
Stellar Structure Workshop, ASP Conference Series, Sylvain Turcotte, Stefan Keller, & Rob Cavallo (eds.), 120 – 124
39. Richards, M. T., Waltman, E. B., Ghigo, F., & Richards, D. St. P. 2003, "Statistical Analysis of 5-year
Continuous Radio Flare Data from ! Per, V711 Tau, # Lib, and UX Ari," Astrophys. J. Suppl., 147, 337 – 361
40. Richards, M. T., Waltman, E. B., Ghigo, F., & Richards, D. St. P. 2004, "Periodicities of Radio Flares in
RS CVn and Algol Binaries," in Stars as Suns: Activity, Evolution, and Planets, eds. A. K. Dupree & A. O. Benz, IAU Symposium 219 (ASP), 181 – 185
41. Richards, M. T. 2004, "Doppler Tomography of Algols," Astronomische Nachrichten, 325, 229 – 232 42. Richards, M. T. 2004, "Time Domain Spectra of Interacting Binaries," in Proceedings of the Science With
SALT II Workshop, ed. David Buckley
43. Budaj, J., & Richards, M. T. 2004, "A Description of the SHELLSPEC Code," Contrib. Astron. Obs.
Skalnate Pleso, 34, 167 – 196
44. Budaj, J., Iliev, I. Kh., Fenovcik, M., Barzova, I., Richards, M.T., & Geordzheva, E. 2004, "Discovery of the Secondary in the Spectrum of the SB1 System HD 861, " Information Bulletin Variable Stars, 5509, 1
45. Budaj, J., & Richards, M. T. 2005, "Modeling the Spectrum of TT Hya - Algol Binary with a Disc," in
IAU Symposium 224: The A-Star Puzzle, edited by J. Zverko, W. W. Weiss, J. Ziznovsky & S. J. Adelman (Cambridge University Press: Cambridge), 886
46. Fenovcik, M., Budaj, J., Iliev, I., Richards, M. T., & Barzova, I. 2005, "Search for Tidally Driven
Abundance Anomalies," in IAU Symposium 224: The A-Star Puzzle, edited by J. Zverko, W. W. Weiss, J. Ziznovsky & S. J. Adelman (Cambridge University Press: Cambridge), 749
47. Retter, A., Richards, M. T., & Wu, K. 2005, "Evidence for Superhumps in the Radio Light Curve of the
Algol Proto-type, ! Persei, and a New Model for the Magnetic Activity in Algol Systems," Astrophys. J., 621, 417 – 424
48. Budaj, J., Richards, M. T., & Miller, B. 2005, "A Study of Synthetic and Observed H" Spectra of TT
Hydrae," Astrophys. J., 623, 411 – 424
5
49. Richards, M. (chair) & Morales Rueda, L. (co-chair), Collier Cameron, A., Schwope, A. & Vrielmann, S.
(eds.) 2005, "Astrotomography,'' Report on Joint Discussion 9: Astrotomography, in IAU Highlights, Vol. 13, 279 – 281
50. Kang, T. W., Retter, A., Liu, A., & Richards, M. T. 2006, "Detection of Orbital and Superhump Periods in Nova V2574 Ophiuchi (2004)," Astron. J., 131, 1687 – 1692 (astro-ph/0512483)
51. Kang, T. W., Retter, A., Liu, A., & Richards, M. T. 2006, "Nova V4743 Sgr (2002) – An Intermediate
Polar,” Astron. J., 132, 608 – 613 (astro-ph/0604438)
52. Iliev, I. Kh.,Budaj, J., Fenovcik, M., Stateva, I., & Richards, M. T., 2006, "Abundance Analysis of Am
Binaries and Search for Tidally Driven Abundance Anomalies – II. HD861, HD18778, HD20230, HD29479, HD96528, and HD108651,'' Mon. Not. Roy. Astron. Soc., 370, 819 – 827
53. Agafanov, M., Richards, M. T., & Sharova, O. 2006, "Three-Dimensional Doppler Tomogram of Gas
Flows in the Algol-type Binary U Coronae Borealis," Astrophys. J., 652, 1547 – 1553
54. Rogers, M. L., Richards, M. T., & Richards, D. St. P. 2006, "Long-term Variability in the Length of the
Solar Cycle," astro-ph/0606426
55. Miller, B., Budaj, J., Richards, M. T., Koubsky, P., & Peters, G. J. 2007, "Revealing the Nature of Algol
Disks through Optical and UV Spectroscopy, Synthetic Spectra, and Tomography of TT Hydrae," Astrophys. J., 656, 1075 – 1091 (astro-ph/0611351)
56. Richards, M. T. 2007, "Doppler Tomography of Accretion Disks and Streams in Close Binaries," IAU
Symposium 240, Binary Stars as Critical Tools & Tests in Contemporary Astrophysics, W. Hartkopf, E. Guinan, & P. Harmanec (eds.), 160 – 169 (Invited Review)
57. Agafanov, M., Sharova, O., & Richards, M. T. 2007, "Three-dimensional Doppler Tomograms and
Detection of Motions Beyond the Orbital Plane in Close Binary Systems," Astronomical & Astrophysical Transactions, 26, 147 – 149
58. Uytterhoeven, K., Koubsky, P., Harmanec, P., Telting, J. H., Yang, S., Richards, M. T., & Ilyin, I. 2008,
"Evidence for Rapid Variability in the Multiple System 68 u Her," in Proc. ESO Workshop on Multiple
Stars Across the H-R Diagram, 53 – 58
59. Agafanov, M., Sharova, O., & Richards, M. T. 2008, "Three-Dimensional Doppler Images of the Disk-like and Stream-like States of U Coronae Borealis," Astrophys. J., submitted (astro-ph/08050370)
60. Agafanov, M., Richards, M. T., & Sharova, O. 2008, "Three-Dimensional Doppler Images of the Tilted
Gas Stream in RS Vulpeculae," in preparation
61. Richards, M. T., Miller, B., Budaj, J., & Peters, G. J. 2007, "A Multidimensional Study of AU Mon,"
Astrophys. J., in preparation
62. Richards, M. T. 2007, "Elliptical Accretion Disks in the Algols, " in preparation 63. Richards, M. T. & Rogers, M. L. 2007, "Properties of the Shock Region in Direct Impact Algol Binaries,"
Astrophys. J., in preparation
64. Richards, M. T., & Rogers, M. L. 2007, "Magnetic Cycles in ! Per and V711 Tau from Circularly
Polarized Data," in preparation
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Abstracts
65. Richards, M. T., Bolton, C. T., & Mochnacki, S. W. 1987, "The Effective Temperature of Algol C," Bull.
Am. Astron. Soc., 19, 1036
66. Richards, M. T. 1990, "A Transient Accretion Disk in ! Persei," Bull. Am. Astron. Soc., 22, 1335 67. Richards, M. T. 1992, "Effects of Direct-Impact Accretion in Close Interacting Binaries," Bull. Am.
Astron. Soc., 24, 770
68. Albright, G. E., Richards, M. T., & Guinan, E. F. 1992, "Full-orbit H" Spectroscopy of Short-period
Algols," Bull. Am. Astron. Soc., 24, 769
69. Jones, R. D., & Richards, M. T. 1992, "Doppler Analysis of Circumstellar Emission in ! Persei," Bull.
Am. Astron. Soc., 24, 768
70. Malinkowski, M., Etheridge, M., Blondin, J. M., & Richards, M. T. 1993, "Hydrodynamic Simulations of
Mass Transfer in Algol," Bull. Am. Astron. Soc., 25, 1424
71. Albright, G. E., & Richards, M. T. 1993, "Transient Accretion Disk in the Algol-type Binary U Sagittae,"
Bull. Am. Astron. Soc., 25, 1424
72. Richards, M. T., Albright, G. E., & Bowles, L. M. 1994, "Doppler Tomography of Accretion Regions in
Algol Binaries," Bull. Am. Astron. Soc., 26, 1345
73. Albright, G. E., & Richards, M. T. 1994, "Accretion Regions in Direct-Impact Algol Binaries," Bull. Am.
Astron. Soc., 26, 1414
74. Ratliff, M. A., & Richards, M. T. 1995, "Hydrodynamical Simulations of H" Emission in Algol Binaries,"
Bull. Am. Astron. Soc., 27, 1343
75. Rosolowsky, E. W., & Richards, M. T. 1996, "Doppler Tomography of Ultraviolet Spectra of the RS CVn
Binary HR 1099," Bull. Am. Astron. Soc., 28, 1375
76. Soinski, T. L., & Richards, M. T. 2002, "The Long-term Characteristics of Radio Flares from V711 Tau, !
Per and UX Ari," Bull. Am. Astron. Soc., 34, 653
77. Richards, M. T., Waltman, E. B., & Ghigo, F. 2002, "Statistical Analysis of Continuous Radio Flare Data from RS CVn and Algol-type Binaries," Bull. Am. Astron. Soc., 34, 653
78. Budaj, J., & Richards, M. T. 2004, "A New Code for Calculating Synthetic Spectra of Interacting
Binaries," Bull. Am. Astron. Soc., 36, 741, No. 5.08
79. Miller, B. P., Richards, M. T., & Budaj, J. 2004, "Analysis of Simultaneous Optical and Radio Data from
V711 Tau and ! Per," Bull. Am. Astron. Soc., 36, 745, No. 6.15
80. Richards, M. T., & Rogers, M. L. 2004, "Flaring Cycles in ! Per and V711 Tau from Circularly Polarized
Data," Bull. Am. Astron. Soc., 36, 745, No. 6.14
81. Rogers, M. L., & Richards, M. T. 2004, "Periodogram Analysis of Sunspot Numbers and Areas," Bull.
Am. Astron. Soc., 36, 670, No. 2.21
82. Richards, M. T., Retter, A., & Wu, K. 2004, "Evidence for Superhumps in the Radio Light Curve of the
Algol and a New Model for the Magnetic Activity in Algol Systems," Bull. Am. Astron. Soc., 36, 1526, No. 107.11
7
83. Budaj, J., Miller, B. P., Richards, M.T., & Koubsky, P. 2005, "Analysis of Synthetic and Observed UV and Optical Spectra of TT Hya," Bull. Am. Astron. Soc., 37, 439, No. 8.01
84. Miller, B. P., Budaj, J., & Richards, M.T. 2005, "Multiwavelength Spectra of AU Mon," Bull. Am. Astron.
Soc., 37, 486, No. 35.05
85. Rogers, M. L., & Richards, M.T. 2005, "Properties of the Shock Region in Direct Impact Algols," Bull.
Am. Astron. Soc., 37, 487, No. 35.06
86. Kang, T. W., Retter, A., Liu, A., & Richards, M. T. 2005, "Detection of Orbital and Superhump Periods in
Nova Ophiuchi 2004,'' Bull. Am. Astron. Soc., 37, 1275, No. 70.07
87. Richards, M. T., Kang, T. W., Retter, A., & Liu, A. 2005, "Nova Sagittarii 2002: An Intermediate Polar
Candidate,'' Bull. Am. Astron. Soc., 37, 1277, No. 70.20
88. Zavala, R., Boboltz, D., Hutter, D., Ojha, R., Richards, M., Shaffer, D., & Tycner, C. 2007,
"Simultaneous Optical and Radio Imaging and Optical Spectroscopy of the Algol Triple System,'' Bull. Am. Astron. Soc., Vol. 38, No. 57.19
Related Articles
89. "Algol: A Closer Look," 1992, Sky & Telescope, 84, 132 90. "Imaging Accretion the Coude Way," 1995, National Optical Astron. Observatory Newsletter, 42, 7 – 9 91. "Stellar Gas Streams," 1995, Sky & Telescope, 90, 12 – 13
Theses and Technical Reports
92. Davis, M. T. 1979, "Nova Cygni 1975," M.Sc. thesis, York University. 93. Davis, M. T., Jeffers, S., & Weller, W. W. 1980, "Nova Cygni 1975: The Balmer Lines," Technical
Report, York University
94. Richards, M. T. 1986, "Circumstellar Material in the Algol System," Ph.D. thesis, University of Toronto. 95. Richards, M. T. 1988, "A Differential Corrections Program for Eclipsing Binary Light Curves," Technical
Report, University of Virginia
Books
96. Chen, A. A., McMorris, M. N., Chin, P. N., Charoo, H., ( Richards) Davis, M. T., Dutta, S., Grabowski,
S., Honegan, F. C., McCluskey, R. E., & Springer, C. D. 1976, Supplement to the Physics Teacher's Guide for the Caribbean, (A Regional Project of the Organization of American States), University of the West Indies (350 pages).
97. Richards, M. T. (editor) 1998, Astronomy 313/511 Observatory Handbook, (Charlottesville: P.S.
Publishing, University of Virginia), 6 editions: 1989 - 1998 (189 pages).
98. Richards, M. T. 1998, Lecture Notes on Binary Star Systems, A Graduate Course (148 pages).
8
Posters and Other Presentations at Meetings
1. "A New Model for Algol (! Persei)," 107th Colloquium of the International Astronomical Union, Sydney,
British Columbia, Canada, August 15 - 19, 1988.
2. "Starspot Activity in Algol," Sixth Cambridge Workshop on Cool Stars, Stellar Systems and the Sun,
Seattle, Washington, September 11 - 14, 1989.
3. "Magnetic Activity in Algol-type Binaries," Seventh Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, Tucson, Arizona, October 9 - 12, 1991.
4. "Effects of Direct-impact Accretion in Close Interacting Binaries," 180th Meeting of the American
Astronomical Society (AAS), Columbus, Ohio, June 7 - 11, 1992.
5. "Full-orbit H" Spectroscopy of Short-period Algols," 180th AAS Meeting, Columbus, Ohio, June 7 - 11,
1992.
6. "Doppler Analysis of Circumstellar Emission in ! Persei," 180th AAS Meeting, Columbus, Ohio, June 7 -
11, 1992.
7. "Evidence of Mass Transfer in TX UMa," Astronomical Society of the Pacific (ASP) Symposium on
Interacting Binary Stars, San Diego, California, July 11 - 15, 1993.
8. "Full-orbit Spectroscopy of Nine Short-period Algols," ASP Symposium on Interacting Binary Stars, San
Diego, California, July 11 - 15, 1993.
9. "Facilities for Infrared Photometry and Spectroscopy of Short-period Algols," ASP Symposium on Optical
Astronomy From the Earth and Moon, San Diego, California, July 11 - 15, 1993.