A Search for Bright Gamma-Ray Burst Beforeglows using the Night Sky Live Global Network

Details A Search for Bright Gamma-Ray Burst Beforeglows using the Night Sky Live Global Network A Search for Bright Gamma-Ray Burst Beforeglows using the Night Sky Live Global Network

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...206.4702t&link_type=abstract

American Astronomical Society Meeting 206, #47.02; Bulletin of the American Astronomical Society, Vol. 37, p.502

Astronomy and Astrophysics

Astronomy

Scientific paper

Observations of optical counterparts to gamma-ray bursts (GRBs) usually start after a satellite-specific GRB trigger time and are known as optical afterglows. The satellite trigger time may occur well after the arrival time of a bright precursor, however, or even well after a main explosion was visible. The continuous nature of the Night Sky Live (NSL) global network of optical fisheye CONCAMs allows a search of the night sky at times before a GRB trigger. Such emission is referred to here as beforeglow. Reported here is a search for optical beforeglows in NSL data to magnitudes as dim as visual magnitude five for several hours before the GCN-recorded trigger times of HETE, Swift, and the IPN.

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