Coordinates

RA: 16^h48^m06^s.562
DEC: -45^∘12'06''.815
Position-uncertainty [arcsec]: 8.485 × 10^-2
Galactic-longitude [deg]: 340.16
Galactic-latitude [deg]: -0.12
Coordinate-Reference

Binary System

Alternative Name: INTEGRAL1 33
X-ray Type: SG,XT
Mean Distance [kpc]: 4.6^[1]
Distance Range [kpc]: 4.4 - 4.6^[1]
Hydrogen Column density [10²¹ cm⁻²]: 66.0

Compact Object

Orbital Period [d]: 3.32^[1]


XMM-Newton flux [10^-12 erg cm^-2 s^-1]:3.77 - 7.6 (0.2-12.0 keV)
Chandra flux [10^-12 erg cm^-2 s^-1]:0.4 (~0.1-10.0 keV)
Swift/XRT flux [10^-12 erg cm^-2 s^-1]:10.24 - 16.04 (0.3-10.0 keV)
Swift/BAT flux [10^-12 erg cm^-2 s^-1]:73.95 (14-195 keV)
INTEGRAL flux [10^-12 erg cm^-2 s^-1]:48.62 (17-60 keV)

Optical Counterpart

Counterpart: confirmed
Spectral Type: O8.5Ib^[1]
J [mag]: 12.954(0.027)
H [mag]: 10.825(0.022)
K [mag]: 9.798(0.024)
W1 [mag]: 9.161(0.011)
W2 [mag]: 8.898(0.010)

Comments

Superorbital period: 11.88 d

Other references

2003ATel..176....1M
2008A&A...484..783C
2008A&A...484..801R