GALEX J181356.9-652747

All names: TIC 365432876, UCAC4 123-172241, WISE J181356.62-652748.1, GALEX J181356.9-652747, UCAC2 3203410, Gaia DR3 6629448391230142464, Gaia DR2 6629448391230142464, GALEXJ18139-6527, 2MASS J18135681-6527475, WISEA J181356.63-652748.2

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 18 13 56.96 18 13 56.83 (0.02)
Declination -65 27 47.29 -65 27 47.41 (0.02)
Spectral type He-sdO sdOHe
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.12 (0.05) 0.11 (0.04)
Distance [pc] 8547.01 (3682) 9009.01 (3019)
Composition
Proper motion (right ascension) [mas/yr] 0.143 (0.05) 0.195 (0.03)
Proper motion (declination) [mas/yr] -8.272 (0.07) -8.177 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.91 (0.04)
V magnitude 14.97 (0.02)
R magnitude 15.61 (0.2)
I magnitude
J magnitude 15.73 (0.08) 15.73 (0.08)
H magnitude 15.10
K magnitude 15.93
u magnitude
g magnitude 14.88 (0.03)
r magnitude 15.17 (0.01)
i magnitude 15.81 (0.01)
z magnitude
G magnitude 15.13 (0.0006) 15.11 (0.003)
BP magnitude 14.89 (0.006)
RP magnitude 15.39 (0.002)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.064

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.