Investigating the region of 3C 397 in High Energy Gamma rays

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Bhattacharjee P., Majumdar P., Ergin T. , Saha L., Joarder P. S.

331st Symposium of the International-Astronomical-Union (IAU), Fransa, 20 - 24 Şubat 2017, cilt.12, ss.316-319 identifier identifier


We investigate the supernova remnant (SNR) 3C 397 and its neighboring pulsar PSR J1906+0722 in high energy gamma rays by using nearly six years of archival data of Large Area Telescope on board Fermi Gamma Ray Space Telescope (Fermi-LAT). The off-pulse analysis of gamma-ray flux from the location of PSR J1906+0722 reveals an excess emission which is found to be very close to the radio location of 3C 397. Here, we present the preliminary results of this gamma-ray analysis of 3C 397 and PSR J1906+0722.