Coordinates

RA: 04^h19^m42^s.135
DEC: +55^∘59'57''.698
Position-uncertainty [arcsec]: 1.498 × 10^-5
Galactic-longitude [deg]: 149.18
Galactic-latitude [deg]: 4.13
Coordinate-Reference

Binary System

Alternative Name: KPD 0415+5552
X-ray Type: BE,XT
Mean Distance [kpc]: 4.11
Distance Range [kpc]: 3.86 - 4.4

Compact Object

Orbital Period [d]: 19.41^[1]


XMM-Newton flux [10^-12 erg cm^-2 s^-1]:0.33 - 4.04 (0.2-12.0 keV)
Swift/XRT flux [10^-12 erg cm^-2 s^-1]:3.53 (0.3-10.0 keV)

Optical Counterpart

Gaia DR3 Name: 276644757710014976
Counterpart: confirmed
Spectral Type: B1/2I[e]^[1]
G [mag]: 10.7661(0.0035)
V [mag]: 11.77(0.05)
J [mag]: 7.502(0.020)
H [mag]: 5.74(0.04)
K [mag]: 4.323(0.016)