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

ID# 7

3A 0620-003

N Mon 1975 = V616 Mon

RA (h:m:s)  DEC (º:':")  J2000:
06:22:44.50 -00:20:44.72
( Gallo2006 )

Galactic l (º)  b (º)  J2000:
209.9563081  -06.5398756

Year of discovery: 1975  
( Elvis1975 )

# of outbursts after discovery: 1

Dynamically confirmed BH

Basic data

Distance (d) 1.06±0.1 (kpc) Cantrell2010
d above plane (z) -0.11±0.01 (kpc) Cantrell2010
Orbital period 7.7523372±2E-07 (h) GonzalezHernandez2010
Peak X-ray flux 2.65E-06
(erg/s/cm2) [keV] Warwick1981
Outburst magnitude (AB) V∼11.12 (mag) Robertson1976
Quiescent magnitude (AB) R=17.12±0.04 (mag) Cantrell2010 Gelino2001 Froning2001 Cantrell2010 Gelino2001
E(B-V) 0.35 (mag) Shahbaz1998
Notes 3A 0620-003 showed an outburst in 1917 detected in plate scales prior to its detection in X-rays in 1975 ( Eachus1976 ).

Dynamical parameters

Orbital period 7.7523372±2E-07 (h) GonzalezHernandez2010
Star's spectral type K2 – 7V Orosz1994
Star's radial velocity amplitude (K2) 437±2 (km/s) GonzalezHernandez2010
Mass function 'f(M1)' 2.79±0.04 (M) GonzalezHernandez2010
BH mass (M1) 6.6±0.3 (M) Cantrell2010
Mass ratio (q=M/M1) 0.074±0.006 Orosz1994
Inclination angle (i) 51±0.9 (deg) Cantrell2010
Rot. broadening (v sini) (km/s)

Optical/NIR magnitudes

Mag. Outburst (AB) Robertson1976
Mag. Quiescence (AB) Cantrell2010 Gelino2001 Froning2001 Cantrell2010 Gelino2001
=17.12±0.04 =18.11±0.01 =18.23±0.04 =16.93±0.01 =17.009±0.04
=19.32±0.04 =16.31±0.04 =16.23±0.02 =16.19±0.04 =16.5±0.1
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3A 0620-003 in Simbad
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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.