\emph{Fermi}-LAT Detection of the Young SuperNova Remnant Tycho

Aug, 2011
12 pages
Published in:
  • Astrophys.J.Lett. 744 (2012) L2
e-Print:

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Abstract: (arXiv)
After almost three years of data taking in sky survey mode, the \emph{Fermi}-LAT has detected γ\gamma-ray emission toward the Tycho's Supernova Remnant (SNR). The Tycho SNR is among the youngest remnants in the Galaxy, originating from a Type Ia Supernova in AD 1572. The γ\gamma-ray integral flux from 400 MeV up to 100 GeV has been measured to be (3.5±1.1stat±0.7syst\pm1.1_{stat}\pm0.7_{syst})×109\times10^{-9} cm2^{-2}s1^{-1} with a photon index of 2.3±0.2stat±0.1syst\pm0.2_{stat}\pm0.1_{syst}.