Coordinates

RA: 16^h19^m55^s.061
DEC: -15^∘38'25''.215
Position-uncertainty [arcsec]: 2.422 × 10^-5
Galactic-longitude [deg]: 359.09
Galactic-latitude [deg]: 23.78
Coordinate-Reference

Binary System

Alternative Name: H 1617-155
X-ray Type: RP, ZS, MQ
Mean Distance [kpc]: 1.72^[1]
Distance Range [kpc]: 1.7 - 1.73^[1]
Hydrogen Column density [10²² cm⁻²]: 0.3
^[1]
G-band Absorption [mag]: 1.17
^[1]

Compact Object

Mass[M_☉]: 1.4400000000000002^[1]

Orbital Period [d]: 0.7875^[1]


soft energy band: 3.0-10.0 keV
hard energy band: 20.0-60.0 keV

Optical Counterpart

Gaia DR3 Name: 4328198145165324800
Mass[M_☉]: 0.4^[1]
Spectral Type: M4-M5^[1]
G [mag]: 12.457(0.014)
^[1]
V [mag]: 11.100000381469727
^[1]
J [mag]: 11.907(0.027)
^[1]
H [mag]: 11.547(0.026)
^[1]
K [mag]: 11.147(0.023)
^[1]
W1 [mag]: 11.246(0.014)
^[1]
W2 [mag]: 11.042(0.011)
^[1]