Coordinates

RA: 18^h14^m014^s.75
DEC: -22^∘56'19''.463
Position-uncertainty [arcsec]: 1.580 × 10^-4
Galactic-longitude [deg]: 8.4
Galactic-latitude [deg]: -2.6
Coordinate-Reference

Binary System

Alternative Name: IRAS 18111-2257
X-ray Type: XT
Mean Distance [kpc]: 14.6^[1]
Distance Range [kpc]: 12.3 - 17.5^[1]
Hydrogen Column density [10²² cm⁻²]: 6.0
^[1]
G-band Absorption [mag]: 20.91
^[1]

Compact Object

Orbital Period [d]: 1502.0^[1]


soft energy band: 4.0-12.0 keV
soft-band flux [10^-12 erg cm^-2 s^-1]:6.0 - 22.0
soft X-ray variability: 3.67

Optical Counterpart

Gaia DR3 Name: 4066460746608630912

Spectral Type: M7-M8^[1]
G [mag]: 16.01(0.06)
^[1]

J [mag]: 8.325(0.027)
^[1]
H [mag]: 6.93(0.04)
^[1]
K [mag]: 6.154(0.018)
^[1]
W1 [mag]: 5.72(0.05)
^[1]
W2 [mag]: 4.92(0.04)
^[1]