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

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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
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GRS 1730-312 in Simbad

Pan-STARRS1 finding chart

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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: 02 February 2025.