Coordinates

RA: 18^h33^m0028^s.3
DEC: -10^∘24'08''.759
Position-uncertainty [arcsec]: 3.163 × 10^-5
Galactic-longitude [deg]: 21.64
Galactic-latitude [deg]: -0.79
Coordinate-Reference

Binary System

Alternative Name: Cl* NGC 6649 WL 9
X-ray Type: Gcas
Mean Distance [kpc]: 1.99
Distance Range [kpc]: 1.83 - 2.24
Hydrogen Column density [10²¹ cm⁻²]: 9.97

Compact Object

XMM-Newton flux [10^-12 erg cm^-2 s^-1]:0.62 - 1.51 (0.2-12.0 keV)
Chandra flux [10^-12 erg cm^-2 s^-1]:0.09 (~0.1-10.0 keV)
Swift/XRT flux [10^-12 erg cm^-2 s^-1]:0.59 (0.3-10.0 keV)

Optical Counterpart

Gaia DR3 Name: 4155023796790984064
Counterpart: confirmed
Spectral Type: B0Ve^[1]
G [mag]: 10.9616(0.0031)
V [mag]: 11.76
J [mag]: 8.663(0.029)
H [mag]: 8.244(0.026)
K [mag]: 7.793(0.027)
W1 [mag]: 7.050(0.011)
W2 [mag]: 6.962(0.013)
Effective stellar temperature [K]: 35005.1