IGR J16500-3307


Other name =

Type Orb. P / Spin P Radio Counterpart Infrared/Optical Counterpart
R.A. (J2000) Dec. (J2000) References R.A. (J2000) Dec. (J2000) References
CV, Intermediate Polar 3.617 h / 9.9653 min
U0525_24170526 Masetti et al. 2007 ATel 1034
16h 49m 55.64s -33o 07' 02"
Published Papers
Miscellaneous :
Masetti et al. 2007 ATel 1034:
  • Hα, Hβ, HeI, HeII emissions
  • z=0
  • Galactic CV or XRB
Masetti et al. 2008:
  • Dwarf Nova CV
  • Balmer emission up to at least Hγ, HeI and HeII in emission
  • z=0
  • Magnetic CV, IP
  • d~210 pc
Pretorius 2009:
  • Optical observations: Phase resolved spectroscopy => Orb. period 3.617h
  • Spin period of 9.9653 min
  • Source is a confirmed IP
Revnivtsev et al. (2010) :
  • Study of optical aperiodic variability
  • νbreak~1.5 x Spin period
  • If break freq <=> inner disc radius then inner radius close to corotation with WD magnetosphere
Ratti et al. (2010) :
  • Chandra+optical observation of the counterpart
  • confirm the optical counterpart previously suggested
  • Source also in 2MASS, J=14.409, H=13.969, K=13.712
  • Measure Ks=13.64 and r'=15.94
Bernardini et al. 2012 (A&A):
  • Multi-wavelengths observations (XMM, INTEGRAL)
  • Pulse period = 571.9s
  • Broad band spectral analysis
  • Source is a pure disc accretor
  • MWD~0.92 Msun at d~270 pc

Last updated 30 Apr. 2012

Jerome Rodriguez