IGR J21277+5656


Other name = SWIFT J2127.4+5654

Type Redshift Radio Counterpart Infrared/Optical Counterpart
R.A. (J2000) Dec. (J2000) References R.A. (J2000) Dec. (J2000) References
AGN/Sey 1 ,
candidate NL Sey 1
Published Papers
Miscellaneous :

Malizia et al. 2008 :
  • INTEGRAL/IBIS and Swift observations
  • Γ~1.9 no intrinsic absorption
  • Broken power law or cut-off power law fit the IBIS-XRT spectrum. Break at ~ 30 keV, cutoff at 33 keV
  • Source is a candidate NL Sey 1
  • MBH=1.5 107 Msun
Winter et al. 2009 :
  • Swift observations
  • NH, Gal = 0.806 x 1022 cm-2, NH, abs = 0.424 x 1022 cm-2, Γ=2.02
  • Sey 1

Last updated 14 April 2010

Jerome Rodriguez