Extrapolations of BATSE Gamma‐Ray Burst Spectra to the Optical‐Ultraviolet Band | Zendy

L. A. Ford | Zendy; D. L. Band | Zendy

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Extrapolations of BATSE Gamma‐Ray Burst Spectra to the Optical‐Ultraviolet Band

Author(s) -

L. A. Ford,

D. L. Band

Publication year - 1996

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/178211

Subject(s) - physics , extrapolation , gamma ray burst , astrophysics , ultraviolet , spectral line , gamma ray , observable , flux (metallurgy) , optical spectra , flash (photography) , optics , astronomy , chemistry , mathematical analysis , mathematics , quantum mechanics , organic chemistry

Many gamma-ray burst counterpart searches are being conducted in theoptical-UV band. To both predict detectability and understand the meaning ofany detections or upper limits, we extrapolate gamma-ray spectra from 54 brightgamma-ray bursts to optical-UV energies. We assume optical emission isconcurrent with gamma-ray emission and do not consider quiescent or fadingcounterparts. We find that the spectrum must be steeper (greater flux at lowenergy) than a simple extrapolation of the gamma-ray spectrum for more than onesimultaneous optical flash to be observable per year by current searches.Comment: 18 pages including 4 figures, AASTeX 4 (including EPSF), to be published in Ap.

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