Coordinates

RA: 19^h15^m11^s.576
DEC: +10^∘56'45''.299
Position-uncertainty [arcsec]: 1.034 × 10^-1
Galactic-longitude [deg]: 45.37
Galactic-latitude [deg]: -0.22
Coordinate-Reference

Binary System

Alternative Name: V1487 Aql
X-ray Type: MQ, DS, RP, BH, XT, PSH
Mean Distance [kpc]: 11.0^[1]
Distance Range [kpc]: 7.0 - 12.0^[1]

Compact Object

Mass[M_☉]: 10.100000381469727^[1]

Orbital Period [d]: 33.5^[1]


soft energy band: 0.2-12.0 keV
soft-band flux [10^-12 erg cm^-2 s^-1]:0.0 - 6238.55
soft X-ray variability: 2079405.77
hard energy band: 14.0-195.0 keV
hard-band flux [10^-12 erg cm^-2 s^-1]:3372.94 - 4699.44
hard X-ray variability: 1.39

Optical Counterpart

Mass[M_☉]: 0.4699999988079071^[1]
Spectral Type: K/3^[1]


J [mag]: 15.432000(0)
^[1]
H [mag]: 14.37(0.06)
^[1]
K [mag]: 12.90(0.06)
^[1]
W1 [mag]: 11.79(0.04)
^[1]
W2 [mag]: 11.344(0.034)
^[1]