Coordinates

RA: 17^h28^m29^s.918
DEC: -20^∘22'056''.28
Position-uncertainty [arcsec]: 4.472 × 10^-2
Galactic-longitude [deg]: 5.18
Galactic-latitude [deg]: 7.85
Coordinate-Reference

Binary System

Alternative Name: MASTER OT J172829.90-202255.9
X-ray Type: XT, BH?
Mean Distance [kpc]: 15.5^[1]
Distance Range [kpc]: 5.9 - 57.3^[1]
Hydrogen Column density [10²² cm⁻²]: 0.28
^[1]
G-band Absorption [mag]: 0.98
^[1]

Compact Object

Mass[M_☉]: 11.5^[1]




soft energy band: 1.0-10.0 keV
soft-band flux [10^-12 erg cm^-2 s^-1]:34.5 - 9070.0
soft X-ray variability: 262.9

Optical Counterpart

Spectral Type: M-K?^[1]

V [mag]: 16.64(0.06)
^[1]
J [mag]: 16.19(0.05)
^[1]
H [mag]: 16.38(0.12)
^[1]
K [mag]: 16.33(0.06)
^[1]