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

« Previous BHT   Next BHT »

ID# 22

GRS 1730-312

KS 1730-312

(Vargas1996)

RA     (ICRS)     DEC

[hh:mm:ss.ss]          [dd:mm:ss.ss]

17:33:32.00  -31:12:16.00

ℓ                      b

[deg]                            [deg]

356.6879350  01.00634388

Year of discovery: 1994  
(Borozdin1994)

# of outbursts after discovery:


Basic data
Distance [kpc]
Distance to the plane (z) [kpc]
Orbital period (Porb) [h]
Peak X-ray flux [erg s-1 cm-2]
[keV]		 1.14E-08
[2-10]		 Borozdin1995
Outburst magnitude (AB)
Quiescent magnitude (AB)
E(B-V) [mag] 5.5 Schlafly2011
Spectral type


NOTES
KS 1730-312 has an error radius in the astrometry of 3' (Vargas1996).




Optical/NIR magnitudes
Mag. Outburst (AB)
Mag. Quiescent (AB)
Aladin finding chart
Scroll to zoom. Set survey image in "Manage layers"
Default image: DSS2 Red
GRS 1730-312 in Simbad

Pan-STARRS1 finding chart

Click to enlarge in new tab/window

PS1 Finding chart PS1 Finding chart

This research has made use of NASA's Astrophysics Data System (ADS), the SIMBAD database operated at CDS (Strasbourg, France) and APLpy
Please acknowledge the use of this catalogue in any published work you derive from it.
Last modified: 22 September 2025.