Fermi LAT detection of a GeV flare from blazar 4C 14.23

Details Fermi LAT detection of a GeV flare from blazar 4C 14.23 Fermi LAT detection of a GeV flare from blazar 4C 14.23

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2243....1t&link_type=abstract

The Astronomer's Telegram, #2243

Astronomy and Astrophysics

Astronomy

3

Gamma Ray, >Gev, Transients

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 the blazar 4C 14.23 (also known as PKS 0722+145, RA: 07h25m16.81s, Dec: +14d25'13.7", J2000, z=1.038, FSRQ; S. E. Healey et al. 2008, ApJS, 175, 97). Preliminary analysis indicates that the source on Oct. 13 was in a high state with a gamma-ray flux (E>100MeV) of (1.5 +/- 0.4) x 10-6 ph cm-2 s-1, where the quoted error is statistical only.

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