Fermi LAT detection of a GeV flare from a possible new extragalactic gamma-ray source Fermi J0052+1110

Details Fermi LAT detection of a GeV flare from a possible new extragalactic gamma-ray source Fermi J0052+1110 Fermi LAT detection of a GeV flare from a possible new extragalactic gamma-ray source Fermi J0052+1110

Feb 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012atel.3904....1c&link_type=abstract

The Astronomer's Telegram, #3904

Astronomy and Astrophysics

Astronomy

Gamma Ray, >Gev, Quasar, Transient

Scientific paper

The Large Area Telescope (LAT), on board the Fermi Gamma-ray Space Telescope, has observed a gamma-ray flare from a new gamma-ray source on January 29, 2012. The preliminary best-fit location of the gamma-ray source using the 1-day interval map (R.A.=13.09 deg, Dec:11.16 deg, J2000) has a 68% containment radius of 37 arcmin (statistical errors only). Preliminary analysis indicates that the source brightened in gamma-rays with a daily integrated flux (E>100MeV) of (1.0+/-0.3) x 10^-6 ph cm^-2 s^-1 (errors are statistical only) and a soft spectrum.

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