SWIFT J1756.9-2508
Coordinates
RA: 17
h
56
m
0057
s
.2
DEC: -25
∘
06'0028''.1
Position-uncertainty [arcsec]: 3.000 × 10
-1
Galactic-longitude [deg]: 4.58
Galactic-latitude [deg]: -0.21
Coordinate-Reference
Binary System
Alternative Name: J1756-2506
X-ray Type: XP, XT
Mean Distance [kpc]: 8.5
[1]
Hydrogen Column density [10
22
cm
−2
]: 6.0
[1]
G-band Absorption [mag]: 20.91
[1]
Compact Object
Mass[M
☉
]: 1.4
[1]
Orbital Period [d]: 0.03799
[1]
Pulse Period [s]: 0.005493
[1]
soft energy band: 0.2-12.0 keV
soft-band flux [10
-12
erg cm
-2
s
-1
]:161.75
soft X-ray variability: 1.0
hard energy band: 15.0-50.0 keV
Optical Counterpart
Mass[M
☉
]: 0.007000000216066837
[1]
K [mag]: 21.00(0.10)
[1]