Fermi LAT detection of a GeV flare from the Radio-Loud Narrow-Line Sy1 SBS 0846+513

Details Fermi LAT detection of a GeV flare from the Radio-Loud Narrow-Line Sy1 SBS 0846+513 Fermi LAT detection of a GeV flare from the Radio-Loud Narrow-Line Sy1 SBS 0846+513

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3452....1d&link_type=abstract

The Astronomer's Telegram, #3452

Astronomy and Astrophysics

Astronomy

3

Gamma Ray, >Gev, Agn, Blazar, Transient

Scientific paper

The Large Area Telescope (LAT), one of the two instruments on the Fermi Gamma-ray Space Telescope, has observed an increasing gamma-ray flux from a source positionally consistent with SBS 0846+513 (RA=08h49m57.9768s, Dec=+51d08'29.023", J2000, Kovalev et al. 2007, AJ, 133, 1236), a z=0.583715 radio-loud narrow line Seyfert 1 galaxy (Zhou et al. 2005 ChJAA, 5, 41).
Preliminary analysis indicates that on June 21, 2011 the source was in a high state with a gamma-ray flux (E>100MeV) of (0.8 ±0.2) ×10^-6 photons cm-2 s-1.

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