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

ID# 12

GS 1354-64

BW Cir

RA (h:m:s)  DEC (º:':")  J2000:
13:58:09.70 -64:44:05.80
( Brocksopp2001 )

Galactic l (º)  b (º)  J2000:
309.9774112  -02.7798734

Year of discovery: 1987  
( Makino1987 )

# of outbursts after discovery: 2

Dynamically confirmed BH

Basic data

Distance (d) ∼25 (kpc) Casares2009
d above plane (z) ∼-1.21 (kpc) Casares2009
Orbital period 61.068±0.002 (h) Casares2009
Peak X-ray flux 2.38E-09
(erg/s/cm2) [keV] Kitamoto1990
Outburst magnitude (AB) V=16.9 (mag) Kitamoto1990
Quiescent magnitude (AB) R=20.71±0.03 (mag) Casares2009 Russell2015a
E(B-V) 1 (mag) Kitamoto1990
Notes GS 1354-64 (BW Cir) is associated with MX 1353-64 which showed an outburst in 1971-1972. It showed another outburst in 1997 ( Remillard1997a ) and in 2015 ( Miller2015 ).

Dynamical parameters

Orbital period 61.068±0.002 (h) Casares2009
Star's spectral type G5III Casares2009
Star's radial velocity amplitude (K2) 279±5 (km/s) Casares2004 Casares2009
Mass function 'f(M1)' 5.7±0.3 (M) Casares2009
BH mass (M1) ≥7.6±0.7 (M) Casares2009
Mass ratio (q=M/M1) 0.12+0.03-0.04 Casares2009
Inclination angle (i) ≤79 (deg) Casares2009
Rot. broadening (v sini) 69±8 (km/s) Casares2009

Optical/NIR magnitudes

Mag. Outburst (AB) Kitamoto1990
Mag. Quiescence (AB) Casares2009 Russell2015a
R V R i'
=20.71±0.03 ∼21.5 ∼20.5 ∼20.2
Scroll to zoom. Set survey image in Controls
Default image: DSS2 Red
GS 1354-64 in Simbad
Finding charts orientation:North up, East left
Click to enlarge in new tab/window
Object marked with lines

Comparison stars reference: Casares2009

Finding chart
Finding chart
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.