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

ID# 36

XTE J1720-318

V1228 Sco

RA (h:m:s)  DEC (º:':")  J2000:
17:19:58.99 -31:45:01.11
( OBrien2003 )

Galactic l (º)  b (º)  J2000:
354.6237198  +03.1012825

Year of discovery: 2003  
( Remillard2003 )

# of outbursts after discovery:

Basic data

Distance (d) 6.5±3.5 (kpc) Chaty2006
d above plane (z) 0.4±0.2 (kpc) Chaty2006
Orbital period (h)
Peak X-ray flux 1.06E-08
(erg/s/cm2) [keV] XTE/ASM
Outburst magnitude (AB) Ks∼17.15 (mag) Nagata2003
Quiescent magnitude (AB) (mag)
E(B-V) 2.25 (mag) Chaty2006
Spectral type B – G Chaty2006

Optical/NIR magnitudes

Mag. Outburst (AB) Nagata2003
Mag. Quiescence (AB)
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XTE J1720-318 in Simbad
Finding charts orientation:North up, East left
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Object marked with lines

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.