Cycle 13 Approved Programs as of 04/02/04 Science First Name Last Name Type Phase II ID Institute Country Title Category University of Michael A'Hearn GO 10115 USA Solar System Rotation of Comet Tempel 1 Maryland University of Stellar Systemic Proper Motions of the Magellanic Clouds from Charles Alcock SNAP 10130 USA Pennsylvania Populations Astrometry with ACS: II. Second Epoch Images Instituto de Estructura Star Formation in Luminous Infrared Galaxies: giant HII Almudena Alonso-Herrero GO 10169 Spain Galaxies de la Materia Regions and Super Star Clusters Stellar Improving the Astrometric Calibration of ACS/WFC for the Jay Anderson GO 10252 Rice University USA Populations Most Useful Filters Stellar Astrometric and Photometric Study of NGC 6397 for Internal Jay Anderson GO 10257 Rice University USA Populations Motions, Dark Binaries, and X-Ray Sources University of The Formation Histories and Dynamical Roles of X-ray Scott Anderson GO 10120 USA Hot Stars Washington Binaries in Globular Clusters Quasar University of UV Confirmation of New Quasar Sightlines Suitable for the Scott Anderson SNAP 10132 USA Absorption Washington Study of Intergalactic Helium Lines University of Abundances in AGN outflows: Putting Real Numbers Into Nahum Arav GO 10225 USA AGN/Quasars Colorado at Boulder Quasar Feedback Scenarios

University of Thomas Ayres GO 10203 USA Cool Stars The Deep Lamp Project Colorado at Boulder Institute For John Bahcall GO 10264 USA Hot Stars Observing the Next Nearby Supernova Advanced Study The Core Dynamics of the Dense Globular Cluster NGC Charles Bailyn GO 10121 Yale University USA Galaxies 6752 California Institute of A Multiwavelength Study of POX 52, a Dwarf Seyfert Galaxy Aaron Barth GO 10239 USA AGN/Quasars Technology with an Intermediate-Mass Black Hole California Institute of Stars versus Gas: A Direct Comparison of Black Hole Mass Aaron Barth GO 10240 USA Galaxies Technology Measurement Techniques Quasar Jill Bechtold AR 10318 University of Arizona USA Absorption The Legacy HST Data Set of IGM Spectroscopy Lines Stellar Solving the problem of the White Dwarf Cooling Sequence Luigi Bedin GO 10146 Universita di Padova Italy Populations End in M4: an efficent approach Instituto de Narciso Benitez GO 10150 Astrofisica de Spain Cosmology NICMOS observations of A1689 Andalucia (IAA) Science First Name Last Name Type Phase II ID Institute Country Title Category ACS/NICMOS Imaging of Bright Lyman Break Galaxy Misty Bentz GO 10181 Ohio State University USA Galaxies Candidates from SDSS Carnegie Mellon The Most Massive Galaxies in the Universe: Double Mariangela Bernardi SNAP 10199 USA Galaxies University Trouble? The Johns Hopkins Luciana Bianchi GO 10234 USA Hot Stars A search for gamma Cas analogs at low metallicity University Space Telescope HST / Chandra Monitoring of a Dramatic Flare in the M87 John Biretta GO 10133 USA AGN/Quasars Science Institute Jet ISM and Space Telescope Matthew Bobrowsky AR 10304 USA Circumstellar Departures from Axisymmetry in Planetary Nebulae Science Institute Matter Space Telescope Stellar Howard Bond GO 10136 USA Post-AGB Stars in the Halo of M81 Science Institute Populations NASA Ames ACS and WFPC2 Stellar Photometry in the Kepler Mission William Borucki GO 10166 USA Solar System Research Center Target Field Max-Planck-Institut NICMOS Differential Imaging Search for Planetary Mass Wolfgang Brandner GO 10208 fur Astronomie, Germany Cool Stars Companions to Nearby Young Brown Dwarfs Heidelberg University of Joel Bregman GO 10148 USA Galaxies The Masses of the Ultraluminous X-Ray Sources Michigan Space Telescope Stellar The Formation Mechanisms of Extreme Horizontal Branch Thomas Brown GO 10261 USA Science Institute Populations Stars Space Telescope Stellar Thomas Brown GO 10265 USA The Formation History of Andromeda Science Institute Populations Eidgenossiche Switzerla C. Carollo GO 10157 Technische Galaxies Bulges or disks in the centers of late-type spirals? nd Hochschule (ETH) Space Telescope Stellar Evolution of Stars and Stellar Systems. I. The Initial Size Rupali Chandar AR 10281 USA Science Institute Populations Distribution of Clusters ISM and University of Illinois at You-Hua Chu GO 10162 USA Circumstellar Resolving the Thermal Conduction Front in the Bubble S308 Urbana - Champaign Matter The Pennsylvania Stellar Robin Ciardullo GO 10131 USA Determining the Origin of Virgo's Intracluster Stars State University Populations Saturn's Auroral Energy Deposition Coordinated with John Clarke GO 10156 Boston University USA Solar System Cassini UVIS Louisiana State ISM and University & The Shadow Echoes of the Unique R Coronae Borealis Geoffrey Clayton GO 10267 USA Circumstellar Agricultural & Star, UW Cen Matter Mechanical Colle Science First Name Last Name Type Phase II ID Institute Country Title Category Arizona State Structural Evolution of Galaxies with GOODS and the Ultra- Seth Cohen AR 10298 USA Galaxies University Deep Field Kapteyn Astronomical Netherlan Stellar Andrew Cole GO 10242 Pre-History of a Starburst: Deep Imaging of IC 10 Institute ds Populations California Institute of The Origin of Dwarf Galaxies and Steep Luminosity Christopher Conselice GO 10201 USA Galaxies Technology Functions in Clusters Space Telescope Ultracompact Blue Dwarfs: Galaxy Formation in the Local Michael Corbin GO 10180 USA Galaxies Science Institute Universe? The nature of quasar host galaxies: combining ACS imaging Frederic Courbin GO 10238 Universite de Liege Belgium AGN/Quasars and VLT Integral Field Spectroscopy. Columbia University Arlin Crotts GO 10273 in the City of New USA Galaxies Accurately Mapping M31's Microlensing Population York University of Kelle Cruz GO 10247 USA Cool Stars Resolving a Binary System that Straddles the L/T Transition Pennsylvania SLACR: The Simulation Lyman Alpha Comparison Romeel Dave AR 10308 University of Arizona USA Cosmology Repository University of The Evolution and Assembly of Galactic Disks: Integrated Marc Davis GO 10134 USA Galaxies California - Berkeley studies of mass, stars and gas in the Extended Groth Strip Our Galaxy's most promising Super Star Cluster candidate, Richard de Grijs GO 10172 University of Sheffield UK Star Formation Westerlund 1: Tip of the Iceberg? Michigan State A Snapshot Survey of a Complete Sample of X-ray Megan Donahue SNAP 10152 USA Cosmology University Luminous Galaxy Clusters from Redshift 0.3 to 0.7 University of Cluster Archeology: The Origin of Ultra-compact Dwarf Michael Drinkwater SNAP 10137 Australia Galaxies Queensland Galaxies Stellar Gordon Drukier AR 10292 Yale University USA Theoretical Studies of the Cores of Globular Clusters Populations California Institute of Richard Ellis AR 10293 USA Cosmology The Assembly History of Disks and Bulges out to z=1 Technology California Institute of Characterizing the Sources Responsible for Cosmic Richard Ellis GO 10159 USA Cosmology Technology Reionization University of Texas at Detecting the elusive low mass companion around epsilon Michael Endl GO 10147 USA Cool Stars Austin Indi Xiaohui Fan GO 10237 University of Arizona USA AGN/Quasars Low-Ionization BALs: Evolution or Orientation? University of Properties of moderate-redshift galaxy groups associated Christopher Fassnacht AR 10300 USA Cosmology California - Davis with gravitational lenses University of ACS Observations of the Gravitational Lens B1608+656: Christopher Fassnacht GO 10158 USA Cosmology California - Davis Characterizing the Einstein Ring Science First Name Last Name Type Phase II ID Institute Country Title Category Space Telescope Lori Feaga AR 10313 USA Solar System The Distribution and Variability of Io's SO2 Atmosphere Science Institute The Johns Hopkins The Gas Environment of Comet 9P/Tempel 1 During the Paul Feldman GO 10144 USA Solar System University Deep Impact Encounter Max-Planck-Institut Stellar Probing the Formation & Evolution of M31's Outer Disk and Annette Ferguson GO 10128 Germany fur Astrophysik Populations Halo, Part II University of NUMERICAL SIMULATIONS OF OUTFLOWS IN Gary Ferland AR 10316 USA AGN/Quasars Kentucky QUASARS: THE MICROPHYSICS OF BAL WINDS ISM and University of Physical Processes in Orion's Veil: A High Resolution UV Gary Ferland GO 10124 USA Circumstellar Kentucky Absorption Study of the Line of Sight towards the Trapezium Matter ISM and Robert Fesen GO 10118 Dartmouth College USA Circumstellar Imaging the Chemical Distribution in Type Ia SN Ejecta Matter University of Towards a Comprehensive Understanding of Type Ia Alex Filippenko GO 10182 USA Hot Stars California - Berkeley Supernovae: The Necessity of UV Observations California Institute of Derek Fox GO 10119 USA Galaxies Solving the Mystery of the Short-Hard Gamma-Ray Bursts Technology ISM and University of The Astrophysics of Heterogeneous ("Clumpy") Stellar Adam Frank AR 10289 USA Circumstellar Rochester Outflows Matter Netherlan Morphologies of a new class of rest-frame optical selected Marijn Franx GO 10196 Universiteit Leiden Cosmology ds high redshift galaxies ISM and Constraining Models of Galactic Chemical Evolution and Space Telescope Scott Friedman GO 10232 USA Circumstellar Mixing by Measuring the Spatial Variability of D/H in the Science Institute Matter Interstellar Medium University of Radial Velocity Variability in the Mass Outflow in the Seyfert Jack Gabel GO 10230 USA AGN/Quasars Colorado at Boulder 1 Galaxy NGC 3783

The University of Towards a global understanding of accretion physics - Clues Boris Gaensicke SNAP 10194 UK Hot Stars Warwick from an UV spectroscopic survey of Cataclysmic Variables Space Telescope Searching for Quasar-Intrinsic Absorption Through Time Rajib Ganguly AR 10296 USA AGN/Quasars Science Institute Variability The Star Formation History and Metallicity Evolution of M33: Donald Garnett GO 10190 University of Arizona USA Galaxies A Comprehensive Study of Disk Evolution University of Texas at Stellar Central Surface Brightness Profiles of LMC Globular Karl Gebhardt AR 10315 USA Austin Populations Clusters Science First Name Last Name Type Phase II ID Institute Country Title Category Georgia State Wind Accretion and State Transitions in the Black Hole Douglas Gies GO 10243 University Research USA Hot Stars Binary Cyg X-1 Foundation

Carnegie Institution of Determining the formation epoch of dwarf galaxies using the Armando Gil de Paz AR 10321 USA Galaxies Washington HST/ACS Ultra Deep Field

University of Confronting HST Observations of Dwarf Spheroidals with Nickolay Gnedin AR 10283 USA Cosmology Colorado at Boulder Theory Space Telescope Globular Cluster Systems of Giant, Post-Starburst Shell Paul Goudfrooij GO 10227 USA Galaxies Science Institute Ellipticals Identification of a magnetic anomaly at Jupiter from satellite Denis Grodent GO 10140 Universite de Liege Belgium Solar System footprints The Pennsylvania The Morphology of Ly-alpha Emission Galaxies at z=3.11 in Caryl Gronwall AR 10324 USA Cosmology State University the GOODS-S Field Lyman_alpha FUV observations of the Sun in time and Edward Guinan GO 10114 Villanova University USA Cool Stars effects on planetary atmospheres Towards an Accurate Calibration of the Galactic Cepheid P- Edward Guinan GO 10116 Villanova University USA Hot Stars L Zero Point Stellar The Most Massive Star Clusters: Supermassive Globular William Harris GO 10260 McMaster University Canada Populations Clusters or Dwarf Galaxy Nuclei? Carole Haswell GO 10271 Open University UK Hot Stars IY UMa: A literal probe of accretion disc structure University of Investigation of M Dwarf Atmospheres Using Archival STIS Suzanne Hawley AR 10312 USA Cool Stars Washington Data Jet Propulsion An Analysis of HST and IUE Spectra to Investigate the Amanda Hendrix AR 10319 USA Solar System Laboratory Effects of Space Weathering at Ultraviolet Wavelengths

University of Uncovering the unknown Ly-alpha flux in classical T Tauri Gregory Herczeg GO 10221 USA Star Formation Colorado at Boulder stars Space Science Imaging Polarimetry of Young Stellar Objects with ACS and Dean Hines GO 10178 USA Star Formation Institute NICMOS: A study in dust grain evolution California Institute of Stellar A Never Before Explored Phase Space: Resolving Close Donald Hoard SNAP 10255 USA Technology Populations White Dwarf / Red Dwarf Binaries University of Stellar The Astrophysical Parameters of Very Metal-Poor Halo Elliott Horch GO 10197 Massachusetts USA Populations Binaries Dartmouth University of Quasar J. Howk GO 10151 California - San USA Absorption Testing the Warm-Hot Intergalactic Medium Paradigm Diego Lines Science First Name Last Name Type Phase II ID Institute Country Title Category Smithsonian Institution Stellar John Huchra GO 10250 USA Star Clusters and Stellar Populations in M81 Astrophysical Populations Observatory University of Roberta Humphreys GO 10262 Minnesota - Twin USA Cool Stars The 3D Morphology of the Extreme Red Supergiant VY CMa Cities University of Texas at Robert Hynes GO 10253 USA Hot Stars A UV Survey of Quiescent Black Holes and Neutron Stars Austin INAF, Osservatorio Unveiling the nature of the 321s orbital period binary GianLuca Israel GO 10218 Italy Hot Stars Astronomico di Roma RXJ0806.3+1527 ISM and Edward Jenkins AR 10279 Princeton University USA Circumstellar A Comprehensive Study of Interstellar Depletions Matter Smithsonian Institution Dark Matter Constraints from the Merging Cluster 1E0657- Christine Jones GO 10200 USA Cosmology Astrophysical 56 Observatory Rutgers the State Andres Jordan GO 10217 University of New USA Galaxies The ACS Fornax Cluster Survey Jersey ISM and University of Paul Kalas GO 10228 USA Circumstellar Multi-color HST imaging of the GJ 803 debris disk California - Berkeley Matter Russian Academy of Igor Karachentsev GO 10235 Sciences, Special Russia Galaxies Dark vs. luminous matter in the CenA/M83 galaxy complex Astrophysical Obs.

Erich Karkoschka GO 10192 University of Arizona USA Solar System Jupiter's Upper Stratospheric Hazes Probed with Ganymede ISM and Space Telescope Multi-wavelength Observations of Symbiotic Stars in Charles Keyes GO 10153 USA Circumstellar Science Institute Outburst Matter University of Quasar The astrophysics of the intergalactic medium at intermediate David Kirkman AR 10288 California - San USA Absorption redshifts Diego Lines ISM and Robert Kirshner GO 10263 Harvard University USA Circumstellar SAINTS - Supernova 1987A INTensive Survey Matter Science First Name Last Name Type Phase II ID Institute Country Title Category University of A Deep Far-UV Search for the Interacting Binary Population Christian Knigge GO 10183 UK Hot Stars Southampton in M80 University of Stellar Resolving the Distance Ambuguity for the Galactic Open Henry Kobulnicky GO 10276 USA Wyoming Populations Cluster Westerlund 2 Kapteyn Astronomical Netherlan Dark-matter halos and evolution of high-z early-type Leon Koopmans SNAP 10174 Galaxies Institute ds galaxies The Johns Hopkins Tracing the Emergence of the Hubble Sequence Among the Claudia Kretchmer GO 10258 USA Galaxies University Most Luminous and Massive Galaxies California Institute of Shrinivas Kulkarni GO 10135 USA Galaxies Unveiling the Progenitors and Physics of Cosmic Explosions Technology ISM and Northwestern James Lauroesch GO 10274 USA Circumstellar Prospecting for Rare Elements in the Interstellar Medium University Matter ISM and Stephen Lawrence AR 10294 Hofstra University USA Circumstellar The SN 1987A/LMC "Deep Field" Matter University of Karen Leighly GO 10125 Oklahoma Norman USA AGN/Quasars Where is the Wind in 1H0707-495? Campus ISM and Space Telescope Claus Leitherer SNAP 10186 USA Circumstellar A Lyman-alpha Snapshot Survey of FBS and SBS Galaxies Science Institute Matter University of Stellar A Snapshot Survey of the Sites of Recent, Nearby Weidong Li SNAP 10272 USA California - Berkeley Populations Supernovae A Critical Test for Radiatively Driven Hot Winds in Cool Alex Lobel GO 10212 Harvard University USA Cool Stars Stars Titan : Huygens Probe Entry Fireball and UV Seasonal Ralph Lorenz GO 10270 University of Arizona USA Solar System Change Smithsonian Institution Stellar Kevin Luhman GO 10138 USA Searching for the Bottom of the Initial Mass Function Astrophysical Populations Observatory University of Jovian Upper Atmospheric Dynamics and Thermal Structure Tariq Majeed AR 10301 USA Solar System Michigan from STIS Observations of Auroral Emissions University of Matthew Malkan GO 10226 California - Los USA Galaxies The NICMOS Grism Parallel Survey Angeles Science First Name Last Name Type Phase II ID Institute Country Title Category The University of Archival Study of Merger-Induced Populations in Early-Type Jodie Martin AR 10306 USA Galaxies Virginia Galaxy Cores Quasar A Combined HST/Chandra Study for Finding the Baryons in Smita Mathur GO 10211 Ohio State University USA Absorption the Low Redshift Universe. Lines Space Telescope Stellar ORIGIN OF THE GLOBULAR CLUSTER FUNDAMENTAL Dean McLaughlin AR 10323 USA Science Institute Populations PLANE Southwest Research Determination of orbits and colors for two new binaries in William Merline GO 10165 USA Solar System Institute the Koronis asteroid family IMAGING A PROTOCLUSTER AT z = 3.1: EFFECTS OF Netherlan George Miley GO 10127 Universiteit Leiden Cosmology ENVIRONMENT AND EVOLUTION ON GALAXY ds POPULATIONS IN THE EARLY UNIVERSE Universite de Weighing the Most Luminous Main-Sequence Star in the Anthony Moffat GO 10163 Canada Hot Stars Montreal Galaxy Quasar Probing a damped Lyman-alpha system along two lines of Nicholas Morgan GO 10223 Yale University USA Absorption sight Lines University of Accreting White Dwarfs and Neutron Stars Near the Galactic Mark Morris AR 10285 California - Los USA Hot Stars Center Angeles PROBING THE NATURE OF DARK MATTER USING Priyamvada Natarajan AR 10302 Yale University USA Cosmology CLUSTER LENSING Are Dust Disks and Circumstellar Gas Around Young A James Neff GO 10219 College of Charleston USA Star Formation Stars Unrelated Phenomena? Space Telescope Resolving OB Binaries in the Carina Nebula, Resuming the Edmund Nelan SNAP 10202 USA Hot Stars Science Institute Survey Tel Aviv University - Can Narrow-Line Regions in Luminous AGN be Enormously Hagai Netzer GO 10193 Israel AGN/Quasars Wise Observatory Large? Space Telescope Stellar Current star formation in young, compact clusters in the Antonella Nota GO 10248 USA Science Institute Populations Small Magellanic Cloud Space Telescope The Co-Evolution of Star Formation and Powerful Radio Christopher O'Dea SNAP 10117 USA AGN/Quasars Science Institute Activity in Galaxies Stellar Edward Olszewski GO 10126 University of Arizona USA The 3-D Shape of the SMC: Is It Tidally Distorted? Populations The Pennsylvania Ultraviolet Spectrum of the Binary Millisecond Pulsar J0437- George Pavlov GO 10171 USA Hot Stars State University 4715 Observatoire Midi- Morphology of z ~ 7-10 galaxies viewed through Roser Pello GO 10154 France Cosmology Pyrenees gravitational telescopes The Coevolution of Supermassive Black Holes and Galaxies Chien Peng GO 10149 University of Arizona USA AGN/Quasars at z~3 Science First Name Last Name Type Phase II ID Institute Country Title Category Bradley Peterson GO 10139 Ohio State University USA AGN/Quasars Structure of the Accretion Disk in the NLS1 NGC 4051

New Jersey Institute Stellar Space Motions for the Draco and Sextans Dwarf Spheroidal Slawomir Piatek GO 10229 USA of Technology Populations Galaxies Space Telescope Morphological analysis of z=5.7 Lyman Alpha sources in the Norbert Pirzkal AR 10299 USA Galaxies Science Institute GOODS/UDF fields University of Star Formation in Damped Lya Galaxies: Testing the Jason Prochaska GO 10207 California - Santa USA Galaxies Connection with the Lyman Break Population Cruz Catholic University of STIS Snapshot Survey of Boron Abundances in Early-B Charles Proffitt SNAP 10175 USA Hot Stars America Stars University of Outflows from Seyfert galaxies: a challenge to current Daniel Proga AR 10305 USA AGN/Quasars Colorado at Boulder models Space Telescope Thomas Puzia GO 10129 USA Galaxies Resolving Globular Clusters in NGC 1399 Science Institute Kathy Rages SNAP 10170 SETI Institute USA Solar System Atmospheric Variability on Uranus and Neptune Dr.-Remeis- On the evolutionary status of extremely hot helium stars - Thomas Rauch GO 10209 Germany Hot Stars Sternwarte, Bamberg are the O(He) stars successors of the RCrB stars? ISM and University of Texas at A SNAPSHOT Survey of the Local Interstellar Medium: New Seth Redfield SNAP 10236 USA Circumstellar Austin NUV Observations of Stars with Archived FUV Observations Matter Space Telescope I. Reid SNAP 10143 USA Cool Stars Ultracool companions to the nearest L dwarfs Science Institute Space Telescope Probing the Surroundings of a Highly Luminous Redshift 6.5 James Rhoads GO 10195 USA Galaxies Science Institute Galaxy California Institute of Jason Rhodes AR 10314 USA Cosmology Connecting Mass to Light in the GOODS Fields Technology University of Douglas Richstone GO 10245 USA Galaxies The Masses of the Quasar Relics Michigan Space Telescope Adam Riess GO 10189 USA Cosmology PANS-Probing Acceleration Now with Supernovae Science Institute Space Telescope Massimo Robberto GO 10246 USA Star Formation The HST survey of the Orion Nebula Cluster Science Institute Rochester Institute of Andrew Robinson GO 10160 USA AGN/Quasars The nuclear scattering geometry of Seyfert galaxies Technology University of Jessica Rosenberg GO 10254 USA Galaxies The Size and Shape of a Spiral Galaxy's Gaseous Halo Colorado at Boulder Science First Name Last Name Type Phase II ID Institute Country Title Category Jet Propulsion The Hydrodynamics of Collimated Flow Interactions around Raghvendra Sahai AR 10317 USA Cool Stars Laboratory Dying Stars Jet Propulsion When does Bipolarity Impose itself on the Extreme Mass Raghvendra Sahai SNAP 10185 USA Cool Stars Laboratory Outflows from AGB Stars? An ACS SNAPshot Survey ISM and University of Origins of the Highly Ionized Gas toward the X-ray Bright BL Blair Savage GO 10266 USA Circumstellar Wisconsin - Madison Lac Object Mrk 421 Matter The University of Stellar Spatially Resolved mid-UV Spectra of the Centers of Local Ricardo Schiavon GO 10224 USA Virginia Populations Group Galaxies ISM and Solar Systems In Formation: A NICMOS Coronagraphic Glenn Schneider GO 10177 University of Arizona USA Circumstellar Survey of Protoplanetary and Debris Disks Matter Quasar University of Discovery of two Star-Forming Galaxies causing strong Regina Schulte-Ladbeck AR 10282 USA Absorption Pittsburgh Quasar Absorption Lines Lines Quasar University of The connection between star-forming galaxies and low- Regina Schulte-Ladbeck GO 10142 USA Absorption Pittsburgh redshift quasar absorption line systems Lines University of Anil Seth AR 10309 USA Galaxies The Globular Cluster Systems of Low Mass Spiral Galaxies Washington National Optical ISM and Richard Shaw SNAP 10251 Astronomy USA Circumstellar SNAPSHOT Survey of SMC Planetary Nebulae Observatories, AURA Matter

Joseph Shields GO 10191 Ohio University USA AGN/Quasars A Fundamental Test of Accretion Physics with NGC 4203 University of Formation of Structure in AGN Accretion Disk Winds: Isaac Shlosman AR 10284 USA AGN/Quasars Kentucky Theory and Observational Implications NASA Ames The Moons, Rings and Arcs of Uranus: Discovery and Mark Showalter GO 10275 USA Solar System Research Center Dynamics European Southern David Silva SNAP 10222 Observatory - Germany Galaxies The Next Generation Spectral Library Germany University of Direct imaging of the progenitors of massive, core-collapse Stephen Smartt GO 10187 UK Hot Stars Cambridge supernovae University of Nathan Smith GO 10241 USA Star Formation An ACS H-alpha Survey of the Carina Nebula Colorado at Boulder Science First Name Last Name Type Phase II ID Institute Country Title Category University of Texas at Christopher Sneden GO 10220 USA Cool Stars Probing the Nucleosynthesis Products of the First Stars Austin Space Telescope Constraints on galaxy formation models from size evolution Rachel Somerville AR 10290 USA Galaxies Science Institute of galactic disks and spheroids University of Coronagraphic Survey for Giant Planets Around Nearby Inseok Song GO 10176 California - Los USA Star Formation Young Stars Angeles University College ACS/HRC imaging of two very bright ultra-luminous X-ray Roberto Soria GO 10214 UK Hot Stars London (UCL) sources (ULXs) Space Telescope William Sparks SNAP 10173 USA AGN/Quasars Infrared Snapshots of 3CR Radio Galaxies Science Institute Southwest Research The Relative Roles of Volcanism and Sublimation in John Spencer GO 10269 USA Solar System Institute Supporting Io's Atmosphere ISM and Space Telescope Planetary nebulae in the SMC: a study of stellar evolution Letizia Stanghellini GO 10259 USA Circumstellar Science Institute and populations in an extremely low-metallicity environment Matter Smithsonian Institution Danny Steeghs GO 10122 USA Hot Stars Accretion in the closest binary systems known Astrophysical Observatory California Institute of The Physical Nature of Galaxy Morphology During the Peak Charles Steidel AR 10311 USA Galaxies Technology Epoch of Galaxy Formation Universidade Federal STIS follow-up spectroscopy of Seyfert galaxies from Cycle Thaisa Storchi-Bergmann GO 10215 Brazil AGN/Quasars do Rio Grande do Sul 11 near-UV imaging survey ISM and Space Telescope Ben Sugerman GO 10204 USA Circumstellar Evolution of Light Echoes of SN 1993J Science Institute Matter University of Paula Szkody GO 10233 USA Hot Stars Determining the Instability Strip for Accreting White Dwarfs Washington Clive Tadhunter GO 10206 University of Sheffield UK AGN/Quasars What drives the outflows in powerful radio galaxies? Southwest Research Peter Tamblyn AR 10320 USA Solar System Deep Archival Search for Trans-Neptunian Objects Institute University of Texas at Laurence Trafton AR 10322 USA Solar System Electron Impact Simulations of Io's Atmosphere Austin University of Tommaso Treu GO 10216 California - Los USA Cosmology Co-evolution of spheroids and black holes Angeles University of Recovery of three faint Kuiper Belt Objects discovered with David Trilling GO 10268 USA Solar System Pennsylvania HST Science First Name Last Name Type Phase II ID Institute Country Title Category ISM and University of Fundamental Properties of Gas in the Distant Galactic Halo Todd Tripp AR 10280 USA Circumstellar Massachusetts and Leading Arm of the Magellanic Stream Matter R. Tully GO 10210 University of Hawaii USA Cosmology Groups of Dwarf Galaxies: Pools of Mostly Dark Matter? Quasar University of Probing the Outer Regions of M31 with QSO Absorption David Turnshek GO 10278 USA Absorption Pittsburgh Lines Lines University of Quasar Doubling the Data on the HeII Re-ionization of the David Tytler GO 10256 California - San USA Absorption Intergalactic Medium Diego Lines California Institute of Stellar Schuyler Van Dyk AR 10297 USA The Local Environments of Supernovae Technology Populations Space Telescope Stellar Photo- and Spectro-Chemical Evolution Models for Gerardo Vazquez AR 10307 USA Science Institute Populations Starburst Galaxies CNRS, Institute Physical parameters of the upper atmosphere of the Alfred Vidal-Madjar GO 10145 d'Astrophysique de France Star Formation extrasolar planet HD209458b Paris New Mexico State Mass Distributions of z ~ 1 Galaxies: Probing Substructure Nicole Vogt GO 10249 USA Galaxies University and Dynamical Evidence for Bulges in Velocity Profiles Space Telescope Critical STIS Spectroscopy and ACS Imagery at the Top of Nolan Walborn GO 10205 USA Hot Stars Science Institute the IMF University of Microarcsecond Imaging of a Gravitationally Lensed QSO: Rachel Webster GO 10123 Australia AGN/Quasars Melbourne 2237+0305 ISM and Carnegie Institution of Alycia Weinberger GO 10167 USA Circumstellar Imaging of Ices in Circumstellar Disks Washington Matter ISM and Carnegie Institution of Alycia Weinberger GO 10168 USA Circumstellar Spatially Relsoved Spectroscopy of HR 4796A's Dust Ring Washington Matter ISM and A Mini-Survey of Interstellar Abundances in the Magellanic Daniel Welty GO 10155 University of Chicago USA Circumstellar Clouds Matter ISM and HD 62542: Probing the Bare, Dense Core of an Interstellar Daniel Welty GO 10164 University of Chicago USA Circumstellar Cloud Matter Universitat Tubingen, Klaus Werner GO 10141 Institut fur Astronomie Germany Hot Stars UV spectroscopy of the hot bare stellar core H1504+65 & Astrophysik Science First Name Last Name Type Phase II ID Institute Country Title Category Stellar Ages and Metallicities of the Intergalactic Globular Cluster Michael West GO 10277 University of Hawaii USA Populations Population in Abell 1185 Space Telescope Bradley Whitmore GO 10188 USA Galaxies In-Depth Study of The Antennae with NICMOS and ACS Science Institute Jody Wilson AR 10295 Boston University USA Solar System The Escape of Oxygen from Mars University of Fresh ammonia-ice on Jupiter: The northern equatorial Michael Wong GO 10161 USA Solar System California - Berkeley region.

Los Alamos National Stellar Probing the Dynamics of the Galactic Bar through the Przemyslaw Wozniak SNAP 10198 USA Laboratory Populations Kinematics of Microlensed Stars ISM and Royal Observatory Coronagraphic imaging of Eta Corvus: a newly discovered Mark Wyatt GO 10244 UK Circumstellar Edinburgh debris disk at 18 pc Matter Jet Propulsion Lin Yan AR 10303 USA Galaxies Extremely Red Galaxies at z > 1 in the COSMOS Field Laboratory Northwestern The Distribution of Stars Around the Massive Black Hole at Farhad Yusef-Zadeh AR 10291 USA Galaxies University the Galactic Center Northwestern A Coordinated NICMOS and XMM Experiment to Observe Farhad Yusef-Zadeh GO 10179 USA Galaxies University the Variability of Sgr A* Mullard Space Optical identification of two nearby Isolated Neutron Stars Silvia Zane GO 10213 UK Hot Stars Science Laboratory through proper motion measuremnt. The Johns Hopkins Wei Zheng AR 10310 USA Galaxies Windows of the Early Universe beyond Redshift 7 University Quasar The Johns Hopkins Tracing the Reionization History of Intergalactic Helium out Wei Zheng GO 10231 USA Absorption University to Redshift 3.8 Lines American Museum of A New Class of Bright Ultraviolet Variable Sources in the David Zurek GO 10184 USA Hot Stars Natural History Globular Cluster NGC 1851