Coordinates


RA: 21h23m14s.539
DEC: -0547'53''.261
Position-uncertainty [arcsec]: 1.034 × 100
Galactic-longitude [deg]: 46.48
Galactic-latitude [deg]: -36.2
Coordinate-Reference

Binary System


Alternative Name: J2123-0547
X-ray Type: XB, AS, XT, EB
Mean Distance [kpc]: 8.5[1]
Distance Range [kpc]: 6.0 - 11.0[1]
Hydrogen Column density [1022 cm−2]: 0.07
[1]
G-band Absorption [mag]: 0.24
[1]

Compact Object


Mass[M]: 1.2999999523162842[1]

Orbital Period [d]: 0.24833333333333332[1]


soft energy band: 0.2-12.0 keV
soft-band flux [10-12 erg cm-2 s-1]:0.01 - 6400.0
soft X-ray variability: 1060772.42

Optical Counterpart


Mass[M]: 0.6000000238418579[1]
Spectral Type: K7-8/5[1]

V [mag]: 16.799999237060547
[1]