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Late-time observations of SN2006gy: Still Going Strong
Nathan Smith, Ryan J. Foley, Joshua S. Bloom +9
Owing to its extremely high luminosity and long duration, SN2006gy radiated more energy in visual light than any other known SN. Two hypotheses to explain its high luminosity -- th…
SIM PlanetQuest Key Project Precursor Observations to Detect Gas Giant Planets Around Young Stars
Angelle Tanner, Charles Beichman, Rachel Akeson +10
We present a review of precursor observing programs for the SIM PlanetQuest Key project devoted to detecting Jupiter mass planets around young stars. In order to ensure that the st…
New Very Low Mass Binaries in the Taurus Star-Forming Region
Q. M. Konopacky, A. M. Ghez, E. L. Rice +1
We surveyed thirteen very low mass (VLM; M < 0.2 M_sun) objects in the Taurus star-forming region using near-infrared diffraction-limited imaging techniques on the W.M. Keck I 10 m…
Measuring the Mass of a Pre-Main Sequence Binary Star Through the Orbit of TWA 5A
Q. M. Konopacky, A. M. Ghez, G. Duchene +2
We present the results of a five year monitoring campaign of the close binary TWA 5Aab in the TW Hydrae association, using speckle and adaptive optics on the W.M. Keck 10 m telesco…
A contemporaneous infrared flash from a long gamma-ray burst: an echo from the central engine
C. H. Blake, J. S. Bloom, D. L. Starr +25
The explosion that results in a cosmic gamma-ray burst (GRB) is thought to produce emission from two physical processes -- the activity of the central engine gives rise to the high…
HD 199143 and HD 358623: Two Recently Identified Members of the Beta Pictoris Moving Group
D. Kaisler, B. Zuckerman, I. Song +5
HD 199143 and HD 358623 (BD-17 6128) are two sets of binary stars which are physically associated and 48 pc from Earth. We present heliocentric radial velocities and high lithium a…