Coordinates

RA: 11^h20^m57^s.161
DEC: -61^∘55'00''.144
Position-uncertainty [arcsec]: 1.295 × 10^-5
Galactic-longitude [deg]: 292.5
Galactic-latitude [deg]: -0.89
Coordinate-Reference

Binary System

Alternative Name: 1A 1118-615
X-ray Type: BE,CL,XP,XT
Mean Distance [kpc]: 3.12
Distance Range [kpc]: 2.81 - 4.84
Hydrogen Column density [10²¹ cm⁻²]: 12.43

Compact Object

Orbital Period [d]: 24.0^[1][2]
Pulse Period [s]: 405.0^[1][2]
CRSF energy [keV]: 55, 110?^[1][2]
Chandra flux [10^-12 erg cm^-2 s^-1]:2.92 (0.5-7.0 keV)
Swift/XRT flux [10^-12 erg cm^-2 s^-1]:42.12 (0.3-10.0 keV)

Optical Counterpart

Gaia DR3 Name: 5336957010898124160
Counterpart: confirmed
Spectral Type: O9.5Ve^[1]
G [mag]: 11.5894(0.0028)
V [mag]: 12.12
J [mag]: 9.563(0.024)
H [mag]: 9.071(0.023)
K [mag]: 8.587(0.019)
W1 [mag]: 7.747(0.008)
W2 [mag]: 7.599(0.007)
Effective stellar temperature [K]: 28987.2