SDSS J095117.15+472422.8

All names: Gaia EDR3 821825877372545536, Gaia DR3 821825877372545536, SDSS J095117.15+472422.81, GALEX J095117.0+472423, Gaia DR2 821825877372545536, SDSS J095117.14+472422.8, SDSS J095117.15+472422.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 09 51 17.14 (0.4) 09 51 17.15 09 51 17.14 (0.6) 09 51 17.14 (0.4)
Declination 47 24 22.76 (0.3) 47 24 22.81 47 24 22.76 (0.5) 47 24 22.89 (0.3)
Spectral type DB DB DB DB
Effective temperature [K] 13847.0 6998.0 46567.0 (305)
log(g) [cgs] 7.58 7.10 7.48 (0.1)
Mass [M] 0.379 0.202 0.482 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.7222
log(H/He) <-6.201
log(C/He)
log(Ca/He)
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] 2.67 (0.6) 2.53 (0.9) 2.67 (0.6)
Distance [pc] 374.12 (89) 394.91 (147) 374.11 (89)
Composition He
Proper motion (right ascension) [mas/yr] -3.518164603 (0.7) -3.422385903 (1) -3.518 (0.7)
Proper motion (declination) [mas/yr] -8.571804315 (0.5) -9.275775613 (1) -8.572 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.20 (0.05) 20.21 (0.05) 20.19 (0.05)
g magnitude 20.15 (0.02) 20.22 (0.02) 20.15 (0.02)
r magnitude 20.38 (0.03) 20.46 (0.04) 20.39 (0.03)
i magnitude 20.20 (0.04) 20.29 (0.04) 20.20 (0.04)
z magnitude 20.24 (0.1) 20.29 (0.1) 20.24 (0.1)
G magnitude 20.42 (0.06) 20.44 20.42 (0.006)
BP magnitude 20.35 (0.06) 20.29
RP magnitude 19.94 (0.08) 19.98
Pan g magnitude 20.27 (0.1)
Pan r magnitude 20.31 (0.02)
Pan i magnitude 20.32 (0.02)
Pan z magnitude 20.09 (0.09)
Pan y magnitude 20.09 (0.3)
E(B-V) 0.020

* 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.