Coordinates


RA: 19h18m47s.857
DEC: -0514'17''.405
Position-uncertainty [arcsec]: 3.264 × 10-3
Galactic-longitude [deg]: 31.36
Galactic-latitude [deg]: -8.46
Coordinate-Reference

Binary System


Alternative Name: 4U 1916-05
X-ray Type: AS, NSH, DS, BO, XB, PSH
Mean Distance [kpc]: 8.8[1]
Distance Range [kpc]: 7.5 - 10.1[1]
Hydrogen Column density [1022 cm−2]: 0.47
[1]
G-band Absorption [mag]: 1.64
[1]

Compact Object


Mass[M]: 1.4[1]

Orbital Period [d]: 0.034583333333333334[1]
Pulse Period [s]: 0.0037[1]

soft energy band: 2.0-10.0 keV
soft-band flux [10-12 erg cm-2 s-1]:422.83 - 10000.0
soft X-ray variability: 23.65

Optical Counterpart


Gaia DR3 Name: 4211396994895217152
Mass[M]: 0.0144[1]
Spectral Type: WD[1]
G [mag]: 20.837(0.022)
[1]
V [mag]: 20.99(0.05)
[1]