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

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ID# 33

XTE J1650-500

( Tomsick2004 )

RA     [J2000]     DEC

[]          []

16:50:00.98  -49:57:43.60

ℓ                      b

[deg]                            [deg]

336.7182648  -03.42701092

Year of discovery: 2001  
( Remillard2001 )

# of outbursts after discovery:

Basic data

Distance [kpc] 2.6±0.7 Homan2006
Distance to the plane (z) [kpc] -0.16±0.04 Homan2006
Orbital period (Porb) [h] 7.69±0.02 Orosz2004
Peak X-ray flux [erg s-1 cm-2]
Outburst magnitude (AB) I=16.1±0.1 Castro-Tirado2001 Curran2012
Quiescent magnitude (AB) i’>19.4 Garcia2002 Curran2012 Lopez2019
E(B-V) [mag] 1.5 Augusteijn2001a

Dynamically confirmed BH


Dynamical parameters

Orbital period [h] 7.69±0.02 Orosz2004
Star's spectral type ~K4V Orosz2004
Star's radial velocity amplitude (K2) [km/s] 435±30 Orosz2004
Mass function 'f(M1)' [M] 2.7±0.6 Orosz2004
BH mass (M1) [M] ≤7.3 Orosz2004
Mass ratio (q=M2/M1)
Inclination angle (i) [deg] >47 Orosz2004
Rot. broadening (v sini) [km/s]

Optical/NIR magnitudes

Mag. Outburst (AB)
Castro-Tirado2001 Curran2012
B∼16.8 V=17.1±0.2 R=16.9±0.4 I=16.1±0.1
J=15.3±0.1 H=15.2±0.1 Ks=15.1±0.1
Mag. Quiescent (AB)
Garcia2002 Curran2012 Lopez2019
V∼24 g’>20.3 R∼22.1
r’>20.5 I>19.3 i’>19.4 z’>18.5
J>18.4 H>16.8 Ks>17.8
Aladin finding chart
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XTE J1650-500 in Simbad

Finding charts

Orientation: North up, East left. Object marked
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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.

Last modified: 27 August 2021.