SDSS J032107.05+045150.6

All names: Gaia DR2 3018713469617920, Gaia DR3 3018713469617920, GALEX J032107.0+045151, SDSS J032107.05+045150.6, SDSS J032107.05+045150.7, SDSSJ032107.05+045150.7, LAMOST J032107.05+045150.6

Parameter Unit Geier 2020 Stilism Guo et al. 2015 Simbad
Right ascension 03 21 07.05 03 21 07.05 (0.1)
Declination 04 51 50.70 04 51 50.74 (0.1)
Spectral type sdO DBA? sdO
Effective temperature [K] 39190.0 (2000)
log(g) [cgs] 5.74 (0.2)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.05 (0.2) 0.08 (0.1)
Distance [pc] 19569.47 (77627) 12674.27 (23726)
Composition
Proper motion (right ascension) [mas/yr] 5.761 (0.3) 5.687 (0.2)
Proper motion (declination) [mas/yr] -8.506 (0.3) -8.73 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.97 (0.01) 17.97 (0.01)
g magnitude 18.17 (0.007) 18.17 (0.007)
r magnitude 18.49 (0.009) 18.49 (0.009)
i magnitude 18.71 (0.01) 18.71 (0.01)
z magnitude 18.91 (0.04) 18.91 (0.04)
G magnitude 18.35 (0.003) 18.31 (0.003)
BP magnitude 18.21 (0.03)
RP magnitude 18.42 (0.04)
Pan g magnitude 18.24 (0.004)
Pan r magnitude 18.50 (0.009)
Pan i magnitude 18.74 (0.007)
Pan z magnitude 18.92 (0.03)
Pan y magnitude 19.01 (0.02)
E(B-V) 0.133

* 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.