Coordinates

RA: 18^h59^m01^s.634
DEC: +08^∘14'43''.646
Position-uncertainty [arcsec]: 4.490 × 10^-4
Galactic-longitude [deg]: 41.13
Galactic-latitude [deg]: 2.08
Coordinate-Reference

Binary System

Alternative Name: MAXI J1859+082
X-ray Type: XP,XT
Mean Distance [kpc]: 6.74
Distance Range [kpc]: 3.16 - 12.28

Compact Object

Orbital Period [d]: 37.97^[1]
Pulse Period [s]: 9.79^[1][2]

Swift/XRT flux [10^-12 erg cm^-2 s^-1]:12.59 (0.3-10.0 keV)

Optical Counterpart

Gaia DR3 Name: 4310118570535453696
Counterpart: tentative
Spectral Type: B0-2Ve^[1]
G [mag]: 19.470(0.015)
J [mag]: 14.19(0.05)
H [mag]: 13.10(0.05)
K [mag]: 12.47(0.04)