SDSS J081002.57+230046.3

All names: SDSS J081002.57+230046.3, Gaia DR3 677209075772715136, SDSS J081002.56+230046.32, GALEX J081002.5+230046, SDSS J081002.56+230046.3, Gaia EDR3 677209075772715136, Gaia DR2 677209075772715136

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 08 10 02.57 (0.1) 08 10 02.57 08 10 02.57 (0.1) 08 10 02.57 08 10 02.58 (0.1)
Declination 23 00 46.38 (0.09) 23 00 46.35 23 00 46.38 (0.1) 23 00 46.38 23 00 46.39 (0.09)
Spectral type DA DA DA DA DA DA
Effective temperature [K] 31302.0 (136) 23289.0 31344.0 (80) 28077.0 (1438)
log(g) [cgs] 7.89 (0.03) 6.95 8.14 (0) 7.72 (0.08)
Mass [M☉] 0.59 (0.02) 0.273 0.713 (0) 0.505 (0.05)
log(Luminosity) [L☉] -0.74 (0.02)
Cooling age [Gyr] 0.0078 (0.0002)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 2.61 (0.2) 1.68 (0.2) 2.61 2.61 (0.2)
Distance [pc] 382.48 (24) 593.61 (69) 382.48 382.48 (24)
Composition H H
Proper motion (right ascension) [mas/yr] -4.149966789 (0.2) -5.058208291 (0.3) -4.15 (0.2)
Proper motion (declination) [mas/yr] -0.405914487 (0.1) -1.873985162 (0.2) -0.406 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.27 (0.03)
H magnitude 18.40 (0.1)
K magnitude
u magnitude 17.22 (0.009) 17.22 (0.01) 17.22 (0.009)
g magnitude 17.44 (0.005) 17.44 (0.01) 17.44 (0.005)
r magnitude 17.89 (0.007) 17.89 (0.01) 17.89 (0.007)
i magnitude 18.19 (0.009) 18.19 (0.01) 18.19 (0.009)
z magnitude 18.56 (0.03) 18.56 (0.03) 18.56 (0.03)
G magnitude 17.66 (0.009) 17.69 17.66 17.66 (0.003)
BP magnitude 17.55 (0.009) 17.46
RP magnitude 17.87 (0.02) 17.83
Pan g magnitude 17.49 (0.004)
Pan r magnitude 17.89 (0.004)
Pan i magnitude 18.23 (0.003)
Pan z magnitude 18.49 (0.009)
Pan y magnitude 18.69 (0.02)
E(B-V) 0.023

* 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.