Coordinates
RA: 02h40m31s.664
DEC: +61∘13'045''.59
Position-uncertainty [arcsec]: 1.174 × 10-5
Galactic-longitude [deg]: 135.68
Galactic-latitude [deg]: 1.09
Coordinate-Reference
Binary System
Alternative Name: 2CG 135+01
X-ray Type: BE,GP,RS
Mean Distance [kpc]: 2.49
Distance Range [kpc]: 2.41 - 2.58
Hydrogen Column density [1021 cm−2]: 7.82
Compact Object
Orbital Period [d]: 26.5[1][2]
XMM-Newton flux [10-12 erg cm-2 s-1]:5.8 - 18.47 (0.2-12.0 keV)
Chandra flux [10-12 erg cm-2 s-1]:2.21 (0.5-7.0 keV)
Swift/XRT flux [10-12 erg cm-2 s-1]:13.55 (0.3-10.0 keV)
Optical Counterpart
Gaia DR3 Name: 465645515129855872
Counterpart: confirmed
Spectral Type: B0Ve[1]
G [mag]: 10.4022(0.0029)
V [mag]: 10.75
J [mag]: 8.621(0.024)
H [mag]: 8.228(0.021)
K [mag]: 7.917(0.023)
W1 [mag]: 7.336(0.007)
W2 [mag]: 7.287(0.006)
