XTE J1650-500
Coordinates
RA: 16
h
50
m
00
s
.946
DEC: -49
∘
57'44''.259
Position-uncertainty [arcsec]: 1.005 × 10
0
Galactic-longitude [deg]: 336.72
Galactic-latitude [deg]: -3.43
Coordinate-Reference
Binary System
Alternative Name: J1650-4957
X-ray Type: XT, RP, BH
Mean Distance [kpc]: 2.6
[1]
Distance Range [kpc]: 1.9 - 3.3
[1]
Hydrogen Column density [10
22
cm
−2
]: 0.53
[1]
Compact Object
Mass[M
☉
]: 7.3
[1]
Orbital Period [d]: 0.3179166666666667
[1]
soft energy band: 3.0-10.0 keV
hard energy band: 20.0-60.0 keV
Optical Counterpart
Mass[M
☉
]: 4.0
[1]
Spectral Type: K4V
[1]
V [mag]: 24.00(0.07)
[1]
J [mag]: 18.5
[1]
H [mag]: 18.4
[1]
K [mag]: 17.8
[1]
