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    PKS 2155-304 - Relativistically beamed synchrotron radiation from a BL Lacertae object (1982)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: The previously reported variability by a factor of two in less than a day is confirmed for the newly discovered BL Lac object PKS 2155-304, by means of the HEAO 1 A-2 experiment's medium- and high-energy detectors. An interpretation of the overall spectrum from radio through X-rays in terms of a synchrotron self-Compton model yields a good description of the data if relativistic beaming is allowed for. The presence of jets is inferred without their direct observation through consideration of the spectrum, combined with an estimate of the size of the source.
    Keywords: ASTRONOMY
    Type: Astrophysical Journal; vol. 253
    Format: text
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