Coordinates

RA: 18^h56^m0042^s.9
DEC: +05^∘18'0034''.3
Position-uncertainty [arcsec]: 3.000 × 10^-1
Galactic-longitude [deg]: 38.26
Galactic-latitude [deg]: 1.25
Coordinate-Reference

Binary System

X-ray Type: XT, BH?
Mean Distance [kpc]: 4.0^[1]
Distance Range [kpc]: 1.0 - 10.0^[1]
Hydrogen Column density [10²² cm⁻²]: 4.5
^[1]
G-band Absorption [mag]: 15.68
^[1]

Compact Object

Mass[M_☉]: 4.2^[1]

Orbital Period [d]: 0.5^[1]


soft energy band: 0.5-10.0 keV
hard energy band: 30.0-60.0 keV

Optical Counterpart

Spectral Type: M-K?^[1]




K [mag]: 20.09(0.26)
^[1]