Coordinates

RA: 18^h01^m0012^s.4
DEC: -25^∘44'0036''.2
Position-uncertainty [arcsec]: 2.828 × 10^-1
Galactic-longitude [deg]: 4.51
Galactic-latitude [deg]: -1.36
Coordinate-Reference

Binary System

Alternative Name: 1758-2544
X-ray Type: MQ, RP, BH?, XT, US
Mean Distance [kpc]: 8.5^[1]

Hydrogen Column density [10²² cm⁻²]: 2.5
^[1]
G-band Absorption [mag]: 8.71
^[1]

Compact Object

Mass[M_☉]: 10.0^[1]

Orbital Period [d]: 0.58^[1]


soft energy band: 0.2-12.0 keV
soft-band flux [10^-12 erg cm^-2 s^-1]:20.64 - 733.06
soft X-ray variability: 35.52
hard energy band: 14.0-195.0 keV
hard-band flux [10^-12 erg cm^-2 s^-1]:6.09 - 1420.71
hard X-ray variability: 233.29

Optical Counterpart

Mass[M_☉]: 2.0^[1]
Spectral Type: A5V?^[1]


J [mag]: 17.400(0.020)
^[1]
H [mag]: 19.060(0.010)
^[1]