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The Spectroscopic Variability of GRB 021004
T. Matheson, P. M. Garnavich, C. Foltz +9
We present spectra of the optical transient (OT) associated with GRB 021004. The spectra show a blue continuum with superposed absorption features and one emission line. We confirm…
The unusual optical afterglow of the gamma-ray burst GRB 021004: Color changes and short-time-scale variability
D. Bersier, K. Z. Stanek, J. Winn +11
We report UBVRI observations of the optical afterglow of the gamma-ray burst GRB 021004. We observed significant (10-20%) deviations from a power law decay on several time scales,…
The Optical Afterglows of Gamma-Ray Bursts
S. T. Holland
The optical afterglows of gamma-ray bursts can be used to probe the physics, geometry, and environments of gamma-ray bursts. In this article I discuss the how spectra and photometr…
Disappearing Dark Matter in Brane World Cosmology: New Limits on Noncompact Extra Dimensions
K. Ichiki, P. M. Garnavich, T. Kajino +2
We explore cosmological implications of dark matter as massive particles trapped on a brane embedded in a Randall-Sundrum noncompact higher dimension space. It is an unavoi…
The Galactic Exoplanet Survey Telescope (GEST)
D. P. Bennett, J. Bally, I. Bond +22
The Galactic Exoplanet Survey Telescope (GEST) will observe a 2 square degree field in the Galactic bulge to search for extra-solar planets using a gravitational lensing technique.…
Confirmation of SBS 1150+599A As An Extremely Metal-Poor Planetary Nebula
George Jacoby, John Feldmeier, Charles F. Claver +4
SBS 1150+599A is a blue stellar object at high galactic latitude discovered in the Second Byurakan Survey. New high-resolution images of SBS 1150+599A are presented, demonstrating…