Coordinates

RA: 18^h08^m27^s.643
DEC: -36^∘58'43''.094
Position-uncertainty [arcsec]: 1.004 × 10⁰
Galactic-longitude [deg]: 355.39
Galactic-latitude [deg]: -8.15
Coordinate-Reference

Binary System

Alternative Name: XTE J1808-369
X-ray Type: XP, BO, XB, RP, XT
Mean Distance [kpc]: 3.5^[1]
Distance Range [kpc]: 3.4 - 3.6^[1]
Hydrogen Column density [10²² cm⁻²]: 0.13
^[1]
G-band Absorption [mag]: 0.45
^[1]

Compact Object

Mass[M_☉]: 1.4^[1]

Orbital Period [d]: 0.083923625^[1]
Pulse Period [s]: 0.00249^[1]

soft energy band: 0.2-12.0 keV
soft-band flux [10^-12 erg cm^-2 s^-1]:0.0 - 1024.35
soft X-ray variability: 218643.21
hard energy band: 14.0-195.0 keV
hard-band flux [10^-12 erg cm^-2 s^-1]:7.15 - 36.8
hard X-ray variability: 5.15

Optical Counterpart

Mass[M_☉]: 0.23^[1]
Spectral Type: M-G?^[1]

V [mag]: 19.20(0.15)
^[1]

H [mag]: 15.04(0.04)
^[1]