GALEX J200154.3+490354

All names: Gaia DR3 2086212232975289472, Gaia DR2 2086212232975289472, UCAC4 696-073485, GALEX J200154.2+490354, O11J200154+490354, GALEX J200154.3+490354, TIC 351298252, Gaia EDR3 2086212232975289472, 2MASS J20015436+4903541

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 20 01 54.35 (0.03) 20 01 54.00 20 01 54.34 (0.03)
Declination 49 03 54.36 (0.03) 49 03 54.00 49 03 54.32 (0.03)
Spectral type sd
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] 0.77 (0.03) 0.77 (0.05) 0.77 (0.03)
Distance [pc] 1298.87 (56) 1296.68 (79) 1298.87 (56)
Composition
Proper motion (right ascension) [mas/yr] 1.289 (0.04) 1.318 (0.09) 1.289 (0.04)
Proper motion (declination) [mas/yr] 2.464 (0.04) 2.516 (0.09) 2.464 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 15.95 (0.2)
I magnitude
J magnitude 16.44 (0.1) 16.44 (0.1)
H magnitude 15.74
K magnitude 17.05
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.96 (0.003) 15.99 (0.001) 15.96 (0.003)
BP magnitude 15.86 (0.004) 15.83 (0.007)
RP magnitude 16.13 (0.005) 16.13 (0.005)
Pan g magnitude
Pan r magnitude
Pan i magnitude 20.42 (0.07)
Pan z magnitude 19.94 (0.08)
Pan y magnitude
E(B-V) 0.127

* 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.