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: http://www.stsci.edu/~inr/thisweek1/2008/thisweek084.html
Дата изменения: Wed Sep 25 00:27:18 2013 Дата индексирования: Sat Mar 1 12:33:02 2014 Кодировка: Поисковые слова: total solar eclipse |
Program Number | Principal Investigator | Program Title | Links |
10852 | Glenn Schneider, University of Arizona | Coronagraphic Polarimetry with NICMOS: Dust grain evolution in T Tauri stars | Abstract |
10899 | Matthew A. Malkan, University of California - Los Angeles | Identifying z>7 galaxies from J-dropouts | Abstract |
11014 | Albert Kong, Massachusetts Institute of Technology | Primordial formation of close binaries in globular clusters with low density cores | Abstract |
11083 | Patrick Cote, Dominion Astrophysical Observatory | The Structure, Formation and Evolution of Galactic Cores and Nuclei | Abstract |
11113 | Keith S. Noll, Space Telescope Science Institute | Binaries in the Kuiper Belt: Probes of Solar System Formation and Evolution | Abstract |
11120 | Daniel Wang, University of Massachusetts | A Paschen-Alpha Study of Massive Stars and the ISM in the Galactic Center | Abstract |
11124 | David V. Bowen, Princeton University | The Origin of QSO Absorption Lines from QSOs | Abstract |
11130 | Luis Ho, Carnegie Institution of Washington | AGNs with Intermediate-mass Black Holes: Testing the Black Hole-Bulge Paradigm, Part II | Abstract |
11147 | Rupali Chandar, Carnegie Institution of Washington | The Origin of Diffuse UV Light from Spiral Disks | Abstract |
11153 | Sangeeta Malhotra, Arizona State University | The Physical Nature and Age of Lyman Alpha Galaxies | Abstract |
11161 | Alicia M. Soderberg, California Institute of Technology | Revealing the Explosion Geometry of Nearby GRB-SNe | Abstract |
11169 | Michael E. Brown, California Institute of Technology | Collisions in the Kuiper belt | Abstract |
11182 | Konrad Kuijken, Universiteit Leiden | The Mass of the Milky Way: Orbits for Leo I and Leo II: Second Epoch Imaging of Leo II | Abstract |
11195 | Arjun Dey, National Optical Astronomy Observatories | Morphologies of the Most Extreme High-Redshift Mid-IR-luminous Galaxies II: The `Bump' Sources | Abstract |
11196 | Aaron S. Evans, State University of New York at Stony Brook | An Ultraviolet Survey of Luminous Infrared Galaxies in the Local Universe | Abstract |
11198 | Anthony H. Gonzalez, University of Florida | Pure Parallel Imaging in the NDWFS Bootes Field | Abstract |
11202 | Leon Koopmans, Kapteyn Astronomical Institute | The Structure of Early-type Galaxies: 0.1-100 Effective Radii | Abstract |
11210 | George Fritz Benedict, University of Texas at Austin | The Architecture of Exoplanetary Systems | Abstract |
11211 | George Fritz Benedict, University of Texas at Austin | An Astrometric Calibration of Population II Distance Indicators | Abstract |
11212 | Douglas R. Gies, Georgia State University Research Foundation | Filling the Period Gap for Massive Binaries | Abstract |
11213 | Gerard T. van Belle, California Institute of Technology | Distances to Eclipsing M Dwarf Binaries | Abstract |
11216 | John A. Biretta, Space Telescope Science Institute | HST / Chandra Monitoring of a Dramatic Flare in the M87 Jet | Abstract |
11219 | Alessandro Capetti, Osservatorio Astronomico di Torino | Active Galactic Nuclei in nearby galaxies: a new view of the origin of the radio-loud radio-quiet dichotomy? | Abstract |
11220 | Jeff Cooke, University of California - Irvine | Mapping the FUV Evolution of Type IIn Supernovae | Abstract |
11300 | Stefan Jordan, Astronomisches Rechen-Institut Heidelberg | Mass and Radius of a Near-Chandrasekhar-limit magnetic white dwarf | Abstract |
11301 | Ed Nelan, Space Telescope Science Institute /td> | Dynamical Masses and Radii of Four White Dwarfs | Abstract |
11495 | Carole A. Haswell, Open University | The first direct detection of an extrasolar planetary stratosphere? /td> | Abstract |
GO 11169: Collisons in the Kuiper Belt
Visions of the Kuiper Belt | The Kuiper Belt lies beyond the orbit of Neptune, extending from ~30 AU to ~50 AU from the Sun, and includes at least 70,000 objects with diameters exceeding 100 km. Setting aside Pluto, the first trans-Neptunian objects were discovered in the early 1990s. Most are relatively modest in size, with diameters of a few hundred km and photometric properties that suggested an icy composition, similar to Pluto and its main satellite, Charon. Over the last three years, however, a handful of substantially larger bodies have been discovered, with diameters of more than 1000 km; indeed, one object, Eris (2003 UB13), is slightly larger than Pluto (2320 km) and 25% more massive. We know the mass for Eris because it has a much lower mass companion, Dysnomia, which orbits Eris with a period of 16 days (see this recent press release ). Pluto, itself, has three companions: Charon, which is about 1/7th the mass of Pluto, and the much smaller bodies, Hydra and Nix, discovered from HST observations in early 2005. Observations of other Kuiper Belt Objects (KBOs), mainly using HST, reveal that a significant fraction are binary. This may indicate that the Kuiper Belt is a dangerous place to live, with frequent collisions between KBOs, leading to fragmentation and satellite formation. The present program aims to probe this issue through multi-wavelength observations of a substantial number of KBOs, sampling a broad range of properties. |
GO 11195: Morphologies of the Most Extreme High-Redshift Mid-IR-luminous Galaxies II: The `Bump' Sources
GO 11210: The Architecture of Exoplanetary Systems
GO 11213: Distances to Eclipsing M Dwarf Binaries