Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..apre11006w&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
Until recently, searches for blazar counterparts to unidentified EGRET sources have focused on finding AGN that have 5-GHz radio flux densities near or above 1 Jy. However, the recent blazar identification of 3EG J2006-2321 (S_5=260 mJy) and other work suggest that careful studies of weaker flat-spectrum radio sources may be fruitful. In this spirit, error circles of some high-latitude unidentified EGRET sources have been searched for possible AGN counterparts. Among these high-latitude sources is 3EG J1133+0033 (l=264.52, b=57.48), which has a 95% error radius of 61'. Within this circle are nine 5-GHz candidates. Archived multiwavelength data has been compiled for all candidates and will be presented. Five of the sources are known to have flat radio spectra and three are identified as QSO's in NED. One of these, PKS B1130+008, is coincident with a hard X-ray source in the ROSAT All-sky Survey. In order to search for blazar-like variability, optical monitoring of some candidate sources is planned at WIRO.
Bloom Steven David
Wallace Paul M.
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