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GRB070610 : A Curious Galactic Transient
M. M. Kasliwal, S. B. Cenko, S. R. Kulkarni +23
GRB 070610 is a typical high-energy event with a duration of 5s.Yet within the burst localization we detect a highly unusual X-ray and optical transient, SwiftJ195509.6+261406. We…
The Early Optical Afterglow of GRB 030418 and Progenitor Mass Loss
E. S. Rykoff, D. A. Smith, P. A. Price +13
The ROTSE-IIIa telescope and the SSO-40 inch telescope, both located at Siding Spring Observatory, imaged the early time afterglow of GRB 030418. In this report we present observat…
The Cosmic Gamma-Ray Bursts and Their Host Galaxies in a Cosmological Context
S. G. Djorgovski, S. R. Kulkarni, D. A. Frail +14
Studies of the cosmic gamma-ray bursts (GRBs) and their host galaxies are now starting to provide interesting or even unique new insights in observational cosmology. Observed GRB h…
Hubble Space Telescope and Ground-Based Optical and Ultraviolet Observations of GRB010222
T. J. Galama, D. Reichart, T. M. Brown +12
We report on Hubble Space Telescope WFPC2 optical and STIS near ultraviolet MAMA observations, and ground-based optical observations of GRB010222, spanning 15 hrs to 71 days. The o…
Broadband Observations of the Afterglow of GRB 000926: Observing the Effect of Inverse Compton Scattering and Evidence for a High-Density Environment
F. A. Harrison, S. A. Yost, R. Sari +21
GRB 000926 has one of the best-studied afterglows to-date, with multiple X-ray observations, as well as extensive multi-frequency optical and radio coverage. Broadband afterglow ob…