BlackCAT A Catalog of Stellar-Mass Black Holes in X-ray Binaries

ID# 17

GRO J0422+32

V518 Per

RA (h:m:s)  DEC (º:':")  J2000:
04:21:42.79 +32:54:27.10
( Shrader1994 )

Galactic l (º)  b (º)  J2000:
165.8808146  -11.9124371

Year of discovery: 1992  
( Paciesas1992 )

# of outbursts after discovery:

Dynamically confirmed BH

Basic data

Distance (d) 2.49±0.3 (kpc) Gelino2003
d above plane (z) -0.51±0.06 (kpc) Gelino2003
Orbital period 5.09185±5E-06 (h) Gelino2003
Peak X-ray flux 5.77E-08
(erg/s/cm2) [keV] Goldwurm1992
Outburst magnitude (AB) R=12.65 (mag) Castro-Tirado1992b
Quiescent magnitude (AB) R=21±0.1 (mag) Gelino2003 Garcia1996 Webb2000 Gelino2003
E(B-V) 0.3 (mag) Jonker2004

Dynamical parameters

Orbital period 5.09185±5E-06 (h) Gelino2003
Star's spectral type M4 – 5V Casares1995c Webb2000
Star's radial velocity amplitude (K2) 378±16 (km/s) Webb2000
Mass function 'f(M1)' 1.19±0.02 (M) Casares1995c Webb2000
BH mass (M1) 2 – 15 (M) Casares1995c Webb2000 Beekman1997
Mass ratio (q=M/M1) 0.11+0.05-0.02 Webb2000
Inclination angle (i) 10 – 50 (deg) Casares1995c Beekman1997 Webb2000
Rot. broadening (v sini) 90+22-27 (km/s) Harlaftis1999

Optical/NIR magnitudes

Mag. Outburst (AB) Castro-Tirado1992b
Mag. Quiescence (AB) Gelino2003 Garcia1996 Webb2000 Gelino2003
=21±0.1 =22±0.1 =23.1±0.2 =20.75±0.08 =19.3±0.1
H Ks
=19±0.2 =19.29±0.09
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GRO J0422+32 in Simbad
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Object marked with lines

Finding chart
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This research has made use of NASA's Astrophysics Data System (ADS) and the SIMBAD database operated at CDS (Strasbourg, France)
Please acknowledge the use of this catalogue in any published work you derive from it.