IGR J16500-3307

	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	-33^o 07' 02"
Published Papers		Masetti et al. 2008 A&A, 482, 113 Landi et al. 2009, MNRAS, 392, 630 Pretorius 2009, MNRAS, 395, 386 Scaringi et al. 2010, MNRAS, 401, 2207 Revnivtsev et al. 2010, A&A, 513, A63 Ratti et al. 2010, MNRAS, 408, 1866 Bernardini et al. 2012, A&A, 542, A22

Miscellaneous :

Masetti et al. 2007 ATel 1034:

H_α, H_β, HeI, HeII emissions
z=0
Galactic CV or XRB

Masetti et al. 2008:

Dwarf Nova CV
Balmer emission up to at least H_γ, 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
ν_break~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
M_WD~0.92 M_sun at d~270 pc

Last updated 30 Apr. 2012

Jerome Rodriguez