Coordinates

RA: 19^h09^m37^s.135
DEC: +09^∘49'055''.24
Position-uncertainty [arcsec]: 8.862 × 10^-5
Galactic-longitude [deg]: 43.74
Galactic-latitude [deg]: 0.48
Coordinate-Reference

Binary System

Alternative Name: 1H 1909+096
X-ray Type: CL,HT,SG,XP,XT
Mean Distance [kpc]: 2.9
Distance Range [kpc]: 1.9 - 4.35

Compact Object

Orbital Period [d]: 8.37^[1][2][3]
Pulse Period [s]: 438.0^[1][2][3]
CRSF energy [keV]: 18,36^[1]
Swift/BAT flux [10^-12 erg cm^-2 s^-1]:166.19 (14-195 keV)

Optical Counterpart

Gaia DR3 Name: 4309225217336733824
Counterpart: confirmed
Spectral Type: O8-9 Ia^[1][2]
G [mag]: 16.7939(0.0030)
V [mag]: 16.35
J [mag]: 12.575(0.032)
H [mag]: 11.46(0.04)
K [mag]: 10.864(0.028)
Effective stellar temperature [K]: 4705.6
Stellar Luminosity [L_☉]: 213.3000030517578

Other references

1992fxap.book.....T