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

ID# 6

3A 1524-617


RA (h:m:s)  DEC (º:':")  J2000:
15:28:16.97 -61:52:57.80
( Zurita2015 )

Galactic l (º)  b (º)  J2000:
320.3189872  -04.4268852

Year of discovery: 1974  
( Pounds1974 Holt1974 )

# of outbursts after discovery: 1

Basic data

Distance (d) (kpc)
d above plane (z) (kpc)
Orbital period 8 – 15 (h) Zurita2015
Peak X-ray flux 4.66E-08
(erg/s/cm2) [keV] Kaluzienski1975
Outburst magnitude (AB) B=17.3 (mag) Murdin1977
Quiescent magnitude (AB) R=22.36±0.1 (mag) Zurita2015
E(B-V) 0.629 (mag) Schlafly2011
Spectral type K0 – 2V Zurita2015
Notes KY TrA showed another outburst in 1990 ( Barret1992 ). The orbital period estimate is very uncertain.

Optical/NIR magnitudes

Mag. Outburst (AB) Murdin1977
Mag. Quiescence (AB) Zurita2015
=22.36±0.1 =21.78±0.09 =23.6±0.1
Scroll to zoom. Set survey image in Controls
Default image: DSS2 Red
3A 1524-617 in Simbad
Finding charts orientation:North up, East left
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Object marked with lines

Finding charts reference: Zurita2015 Comparison stars reference: Murdin1977

Finding chart
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.