A variability and localization study of the Galactic Center gamma-ray source 3EG J1746-2851

Details A variability and localization study of the Galactic Center gamma-ray source 3EG J1746-2851 A variability and localization study of the Galactic Center gamma-ray source 3EG J1746-2851

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aps..apr.d1091p&link_type=abstract

American Physical Society, APS April Meeting, April 22-26, 2006, abstract #D1.091

Physics

Scientific paper

I have studied the variability properties and localization of 3EG J1746-2851 based on EGRET data of the observing periods 1--4. Using corrections for know systematic problems and performing various consistency checks I find no evidence of variability with an amplitude exceeding 30% with the possible exception of viewing period 429, for which a strong soft excess is observed. 3EG J1746-2851 is displaced from the exact Galactic Center towards positive Galactic longitudes. Sgr A^*, the center of Sgr A East, the pulsar J1747-2958, and the TeV gamma-ray source observed with HESS seem to be excluded as possible counterparts at the > 95% level.

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