Coordinates

RA: 01^h18^m31^s.966
DEC: +63^∘44'33''.081
Position-uncertainty [arcsec]: 1.629 × 10^-5
Galactic-longitude [deg]: 125.92
Galactic-latitude [deg]: 1.03
Coordinate-Reference

Binary System

Alternative Name: 4U 0115+634
X-ray Type: BE,CL,HT,QPO,XB,XP,XT
Mean Distance [kpc]: 5.06
Distance Range [kpc]: 3.7 - 6.6

Compact Object

Orbital Period [d]: 24.3^[1][2]
Pulse Period [s]: 3.61^[1][2]
CRSF energy [keV]: 12,24,36,48,62^{[1][2][3][4][5]}
XMM-Newton flux [10^-12 erg cm^-2 s^-1]:0.04 - 0.1 (0.2-12.0 keV)
Swift/XRT flux [10^-12 erg cm^-2 s^-1]:25.53 (0.3-10.0 keV)
Swift/BAT flux [10^-12 erg cm^-2 s^-1]:66.26 (14-195 keV)

Optical Counterpart

Gaia DR3 Name: 524677469790488960
Counterpart: confirmed
Spectral Type: B0.2Ve^[1]
G [mag]: 14.305(0.013)
V [mag]: 15.19
J [mag]: 11.622(0.025)
H [mag]: 11.023(0.023)
K [mag]: 10.629(0.016)
W1 [mag]: 10.489(0.014)
W2 [mag]: 10.396(0.009)
Effective stellar temperature [K]: 6173.5