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Volume 312 - 7th International Fermi Symposium (IFS2017) - Session Stellar Sources (galactic and extragalactic)
A New Gamma-Ray Source in the Vicinity of the Galactic Supernova Remnant G306.3−0.9
T. Ergin,* S. Katsuda, A. Sezer, R. Yamazaki, M.D. Filipovic, H. Sano, Y. Fukui, S. Tanaka
*corresponding author
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Published on: 2017 December 12
A new extended gamma-ray source, which was named as Source A, in the southwest of Galactic supernova remnant (SNR) G306.3$-$0.9 was detected with a significance of $\sim$13$\sigma$ at the location of R.A. (J2000) = 13$^{\rm{h}}$ 17$^{\rm{m}}$ 52$^{\rm{s}\!\!}$.80, Decl. (J2000) = $-$63$^{\circ}$ 55$'$ 48$''\!\!$.00 using about 9 years of Fermi-LAT data. In order to investigate this unidentified gamma-ray source in multi-wavelengths, we performed Swift observations of Source A. In this presentation we summarize the published gamma-ray results, report about the recent ToO Swift observations of Source A, and show our preliminary results of the gamma-ray analysis that we conducted using the new X-ray data.
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