GALEX J182216.4-484919

All names: TIC 160797304, Gaia DR2 6703554375433388416, UCAC2 10971910, 2MASS J18221650-4849194, WISEA J182216.45-484920.4, GALEX J182216.4-484919, DENIS J182216.4-484919, GALEXJ18222-4849, Gaia DR3 6703554375433388416, WISE J182216.47-484920.2, UCAC4 206-169106

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 18 22 16.46 18 22 16.51 (0.04)
Declination -48 49 19.72 -48 49 19.40 (0.04)
Spectral type sdO sdO
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] 0.40 (0.09) 0.38 (0.05)
Distance [pc] 2471.58 (529) 2624.67 (344)
Composition
Proper motion (right ascension) [mas/yr] -4.014 (0.1) -3.912 (0.04)
Proper motion (declination) [mas/yr] -2.164 (0.1) -2.219 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.97 (0.06)
V magnitude 15.11 (0.02)
R magnitude 15.52 (0.1)
I magnitude 15.42 (0.06)
J magnitude 15.63 (0.09) 15.63 (0.09)
H magnitude 15.95 (0.2) 15.95 (0.2)
K magnitude 15.42
u magnitude
g magnitude 14.98 (0.01)
r magnitude 15.44 (0.01)
i magnitude
z magnitude
G magnitude 15.15 (0.001) 15.13 (0.003)
BP magnitude 14.92 (0.01)
RP magnitude 15.39 (0.004)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.081

* 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.