Fermi LAT detection of an intense GeV flare from the high-redshift and gravitationally lensed blazar PKS 1830-211

Details Fermi LAT detection of an intense GeV flare from the high-redshift and gravitationally lensed blazar PKS 1830-211 Fermi LAT detection of an intense GeV flare from the high-redshift and gravitationally lensed blazar PKS 1830-211

Publishing date

Oct 2010

URL

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2943....1c&link_type=abstract

Journals

The Astronomer's Telegram, #2943

Science

Astronomy and Astrophysics

Field

Astronomy

Additional info 2

5

Additional info 3

Gamma Ray, >Gev, Request For Observations, Agn, Blazar, Quasar

Type

Scientific paper

Abstract

The Large Area Telescope (LAT), one of the two instruments on the Fermi Gamma-ray Space Telescope, has observed a rapidly increasing gamma-ray flux from a source positionally consistent with PKS 1830-21 (also known as 3EG J1832-2110, RA: 18h 33m 39.9s, Dec -21d 03m 40s, J2000, van Ommen et al., 1995, ApJ, 444, 561).
PKS 1830-211 (z=2.507, Lovell et al. 1998, ApJ, 508, L51) is a distant and peculiar flat spectrum radio quasar located behind the southern Galactic Bulge with gravitational magnification and absorption features.

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