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Multifrequency Strategies for the Identification of Gamma-Ray Sources

Authors
  • Mukherjee, R.
  • Halpern, J. P.
Type
Preprint
Publication Date
Aug 03, 2004
Submission Date
Aug 03, 2004
Identifiers
DOI: 10.1007/978-1-4020-2256-2_13
Source
arXiv
License
Unknown
External links

Abstract

More than half the sources in the Third EGRET (3EG) catalog have no firmly established counterparts at other wavelengths and are unidentified. Some of these unidentified sources have remained a mystery since the first surveys of the gamma-ray sky with the COS-B satellite. The unidentified sources generally have large error circles, and finding counterparts has often been a challenging job. A multiwavelength approach, using X-ray, optical, and radio data, is often needed to understand the nature of these sources. This chapter reviews the technique of identification of EGRET sources using multiwavelength studies of the gamma-ray fields.

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