Fermi LAT detection of a GeV flare from BZU J0742+5444

Details Fermi LAT detection of a GeV flare from BZU J0742+5444 Fermi LAT detection of a GeV flare from BZU J0742+5444

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3196....1d&link_type=abstract

The Astronomer's Telegram, #3196

Astronomy and Astrophysics

Astronomy

>Gev, Agn, Blazar, Quasar

Scientific paper

The Large Area Telescope (LAT), one of the two instruments on the Fermi Gamma-ray Space Telescope, has observed a bright gamma-ray flare from a source positionally consistent with the flat spectrum radio source, 87GB 073840.5+545138 = BZU J0742+5444 (RA: 07h42m39.8s, Dec: +54d44m25s, J2000, A. J. Beasley et al. 2002, ApJS, 141, 13) with z=0.72 (J. Halpern et al. 2003, AJ, 125, 572). Preliminary analysis indicates that on February 26, 2011 the source was in a high state with a gamma-ray flux (E>100MeV) of (1.2+/-0.3) x 10-6 ph cm-2 s-1 (error is statistical only).

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