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Evidence Against an Association Between Gamma-Ray Bursts and Type I Supernovae
C. Graziani, D. Q. Lamb, G. H. Marion
We present a rigorous method, based on Bayesian inference, for calculating the odds favoring the hypothesis that any particular class of astronomical transients produce gamma-ray b…
A Photometric Investigation of the GRB970228 Afterglow and the Associated Nebulosity
F. J. Castander, D. Q. Lamb
We carefully analyze the WFPC2 and STIS images of GRB970228. We measure magnitudes for the GRB970228 point source component in the WFPC2 images of , $I_c=2…
The Extinction Towards the GRB970228 Field
F. J. Castander, D. Q. Lamb
We determine the local galactic extinction towards the field of gamma-ray burst GRB970228 using a variety of methods. We develop a maximum likelihood method for measuring the extin…
Optical and Near Infrared Observations of the Afterglow of GRB 980329 from 15 Hours to 10 Days
Daniel E. Reichart, Donald Q. Lamb, Mark R. Metzger +8
We report I-band observations of the GRB 980329 field made on March 29 with the 1.34-m Tautenberg Schmidt telescope, R-, J- and K-band observations made on April 1 with the APO 3.5…
The Galactic Extinction Toward GRB 970228 and Its Implications for the Point-Like and Extended Optical Sources
Francisco J. Castander, D. Q. Lamb
The IRAS 100 micron image of the GRB 970228 field shows that the amount of galactic dust in this direction is substantial and varies on arcminute angular scales. From an analysis o…
Are The Four Gamma-Ray Bursts of 1996 October 27-29 Due to Repetition of a Single Source?
Carlo Graziani, Donald Q. Lamb, Jean M. Quashnock
BATSE, Ulysses, and TGRS and KONUS on WIND detected four gamma-ray events within 1.8 days during 1996 October 27-29, consistent with coming from the same location on the sky. We as…