SDSS J080136.87+201011.1

All names: Gaia DR2 670568433561266816, Gaia DR3 670568433561266816, SDSS J080136.87+201011.13, SDSS J080136.87+201011.1, Gaia EDR3 670568433561266816, SDSS J080136.86+201011.2, GALEX J080136.8+201010

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 08 01 36.87 (0.4) 08 01 36.87 08 01 36.87 (0.4) 08 01 36.87 (0.4)
Declination 20 10 11.07 (0.3) 20 10 11.23 20 10 11.08 (0.3) 20 10 11.36 (0.3)
Spectral type DB DB DB DB
Effective temperature [K] 15974.0 15332.0 14390.0 16745.0 (146) 16394.0 (120)
log(g) [cgs] 8.10 7.82 7.75 8.33 (0.09) 8.09 (0.008)
Mass [M] 0.653 0.494 0.454 0.634 (0.005)
log(Luminosity) [L]
Cooling age [Gyr] 0.1558
log(H/He) <-6.094 <-4.91
log(C/He)
log(Ca/He) -6.09 (0.3)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 2.42 (0.5) 2.07 (0.6) 2.42 (0.5)
Distance [pc] 413.95 (88) 484.08 (145) 373.00 413.96 (88)
Composition He
Proper motion (right ascension) [mas/yr] 6.005920941 (0.5) 7.109902581 (1) 6.006 (0.5)
Proper motion (declination) [mas/yr] -17.93281535 (0.3) -17.11921205 (0.6) -17.933 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.31 (0.03) 19.31 (0.03) 19.31 (0.03)
g magnitude 19.34 (0.01) 19.34 (0.01) 19.34 (0.01)
r magnitude 19.62 (0.02) 19.62 (0.02) 19.62 (0.02)
i magnitude 19.84 (0.02) 19.84 (0.02) 19.84 (0.03)
z magnitude 20.00 (0.09) 20.00 (0.09) 20.00 (0.09)
G magnitude 19.47 (0.05) 19.52 19.47 (0.005)
BP magnitude 19.50 (0.05) 19.30
RP magnitude 19.67 (0.08) 19.50
Pan g magnitude 19.34 (0.009)
Pan r magnitude 19.55 (0.002)
Pan i magnitude 19.86 (0.01)
Pan z magnitude 20.05 (0.02)
Pan y magnitude 20.17 (0.05)
E(B-V) 0.025

* 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.