Gamma-ray burster counterparts - Infrared

Details Gamma-ray burster counterparts - Infrared Gamma-ray burster counterparts - Infrared

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...313..226s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 313, Feb. 1, 1987, p. 226-230.

Astronomy and Astrophysics

Astrophysics

34

Astronomical Spectroscopy, Emission Spectra, Gamma Ray Bursts, Infrared Spectra, Accretion Disks, Astronomical Models, Companion Stars, Error Analysis

Scientific paper

The discovery of an IR counterpart to a gamma-ray burster (GRB) would be a big step forward in understanding this enigmatic phenomenon. A program of searching for IR emission from the smallest GRB source regions has been initiated. Seven boxes have been searched with ground-based telescopes at a wavelength of 2.2 microns and 23 with the IRAS data base at wavelengths of 12, 25, 60, and 100 microns. No convincing candidates were identified. The most constraining result are for two error boxes where the K-band magnitude are found to be fainter than 19.03. This observation is compared with the flux predicted from either a companion star or an accretion disk. The new IR observations pose serious difficulties for several GRB models.

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