Coordinates
RA: 17h39m11s.551
DEC: -30∘20'37''.728
Position-uncertainty [arcsec]: 5.198 × 10-5
Galactic-longitude [deg]: 358.07
Galactic-latitude [deg]: 0.45
Coordinate-Reference
Binary System
Alternative Name: IGR J17391-3021
X-ray Type: SG,XT
Mean Distance [kpc]: 1.97
Distance Range [kpc]: 1.76 - 2.17
Hydrogen Column density [1021 cm−2]: 52.0
Compact Object
Orbital Period [d]: 51.47[1]
XMM-Newton flux [10-12 erg cm-2 s-1]:2.89 - 4.82 (0.2-12.0 keV)
Chandra flux [10-12 erg cm-2 s-1]:6.37 (0.5-7.0 keV)
Swift/XRT flux [10-12 erg cm-2 s-1]:14.68 (0.3-10.0 keV)
Swift/BAT flux [10-12 erg cm-2 s-1]:10.81 (14-195 keV)
Optical Counterpart
Gaia DR3 Name: 4056922105185686784
Counterpart: confirmed
Spectral Type: O8Iab(f)[1]
G [mag]: 12.6433(0.0029)
V [mag]: 14.40(0.20)
J [mag]: 8.600(0.021)
H [mag]: 7.823(0.027)
K [mag]: 7.428(0.023)
W1 [mag]: 6.998(0.015)
W2 [mag]: 7.125(0.011)
