Rapid searches for counterparts of GRB 930131

Bradley E. Schaefer, NASA Goddard Space Flight Center
Scott D. Barthelmy, NASA Goddard Space Flight Center
David M. Palmer, NASA Goddard Space Flight Center
Thomas L. Cline, NASA Goddard Space Flight Center
Kevin C. Hurley, Space Sciences Laboratory at UC Berkeley
Michael Sommer, Max Planck Institute for Extraterrestrial Physics
Michel Boer, Max Planck Institute for Extraterrestrial Physics
Michel Niel, Institut de Recherche en Astrophysique et Planétologie (IRAP)
Gerald J. Fishman, NASA Marshall Space Flight Center
Chryssa Kouveliotou, Universities Space Research Association
Charles A. Meegan, NASA Marshall Space Flight Center
M. J. Coe, University of Southampton
Bruce G. Elmegreen, IBM Thomas J. Watson Research Center
Bernard J. Mcnamara, New Mexico State University
Thomas Harrison, New Mexico State University
Alan Owens, University of Leicester
Neyle Sollee, Santa Barbara Operations Group
John Stull, Santa Barbara Operations Group
Michael Palermiti, Santa Barbara Operations Group
Richard Schwartz, Santa Barbara Operations Group
Jack Brooks, Santa Barbara Operations Group
Roland Vanderspek, Massachusetts Institute of Technology
George R. Ricker, Massachusetts Institute of Technology
Hans A. Krimm, Massachusetts Institute of Technology
Wolfgang Wenzel, Sonneberg Observatory
Jochen Greiner, Max Planck Institute for Extraterrestrial Physics
Rene Hudec, Astronomical Institute, Academy of Sciences of the Czech Republic v.v.i.
Miroslav Novak, Astronomical Institute, Academy of Sciences of the Czech Republic v.v.i.
Jiri Borovicka, Astronomical Institute, Academy of Sciences of the Czech Republic v.v.i.
Miroslav Predota, Meteorological Station Churanov
Charles D. Bailyn, Cerro Tololo Inter American Observatory
Lorraine O. Hanlon, ESTEC - European Space Research and Technology Centre
K. Bennett, ESTEC - European Space Research and Technology Centre

Document Type

Article

Publication Date

2-20-1994

Abstract

A fading counterpart to a gamma-ray burst (GRB) would appear as a point source inside a GRB error region soon after the burst which dims on a timescale from minutes to days. The favorable circumstances of the burst GRB 930131 allowed for an international campaign to search for fading counterparts starting 6.8 hr after the burst. We report observations from many optical sites, two radio telescopes, and archival ROSAT data, including deep Schmidt exposures 35, 44, and 64 hr after the burst. No fading counterparts were detected with our observations.

Publication Source (Journal or Book title)

Astrophysical Journal

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