Coordinates
RA: 18h55m30s.403
DEC: -02∘36'16''.846
Position-uncertainty [arcsec]: 2.015 × 10-5
Galactic-longitude [deg]: 31.08
Galactic-latitude [deg]: -2.09
Coordinate-Reference
Binary System
Alternative Name: INTEGRAL1 105
X-ray Type: EB,XP,XT
Mean Distance [kpc]: 6.81
Distance Range [kpc]: 5.29 - 8.82
Compact Object
Mean Mass[M☉]: 1.41[1]
Mass Range [M☉]: 1.17 - 1.65[1]
Orbital Period [d]: 6.07[1]
Pulse Period [s]: 361.0[1]
XMM-Newton flux [10-12 erg cm-2 s-1]:0.99 (0.2-12.0 keV)
Swift/XRT flux [10-12 erg cm-2 s-1]:218.7 (0.3-10.0 keV)
Swift/BAT flux [10-12 erg cm-2 s-1]:210.97 (14-195 keV)
INTEGRAL flux [10-12 erg cm-2 s-1]:123.69 (17-60 keV)
Optical Counterpart
Gaia DR3 Name: 4255891924062617088
Counterpart: confirmed
Spectral Type: B0Iaep[1]
G [mag]: 13.4407(0.0034)
J [mag]: 10.564(0.026)
H [mag]: 10.089(0.024)
K [mag]: 9.799(0.021)
W1 [mag]: 9.564(0.013)
W2 [mag]: 9.444(0.009)
Effective stellar temperature [K]: 6207.5
