WD 0948+505

All names: SDSS J095141.89+501715.80, SDSS J095141.88+501715.8, WD 0948+505, SDSS J095141.89+501715.8, Gaia EDR3 826908919627925760, SDSS J095141.89+501715.7, Gaia DR2 826908919627925760, Gaia DR3 826908919627925760, SBSS 0948+505

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 51 41.85 (0.09) 09 51 41.89 09 51 41.85 (0.1) 09 51 41.85 09 51 41.90 (0.09) 09 51 41.88 09 51 41.14 09 51 41.89
Declination 50 17 15.71 (0.08) 50 17 15.80 50 17 15.71 (0.1) 50 17 15.71 50 17 15.79 (0.08) 50 17 15.82 50 17 12.84 50 17 15.85
Spectral type DB DB DBA DB DBA DB DB
Effective temperature [K] 17292.0 17049.0 16212.0 17465.0 (85) 19186.0 (1325) 17778.0 (132) 17184.0 (146)
log(g) [cgs] 8.14 8.05 7.99 8.08 (0.05) 8.21 (0.07) 8.14 (0.06) 8.10 (0.07)
Mass [M] 0.675 0.625 0.586 0.725 (0.06) 0.646 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.1513
log(H/He) -5.657 <-5.03
log(C/He)
log(Ca/He) <-6.02
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] 3.50 (0.1) 3.49 (0.2) 3.50 3.50 (0.1)
Distance [pc] 285.77 (11) 286.22 (17) 286.00 285.77 285.77 (11)
Composition He
Proper motion (right ascension) [mas/yr] -30.33067472 (0.1) -30.7345905 (0.3) -30.331 (0.1) -28.8
Proper motion (declination) [mas/yr] -4.812786647 (0.1) -4.618464717 (0.3) -4.813 (0.1) -4.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.10 (0.01) 18.10 (0.01) 18.08 (0.02) 18.07 18.12 (0.02)
g magnitude 18.20 (0.007) 18.20 (0.007) 18.21 (0.03) 18.20 18.24 (0.03)
r magnitude 18.50 (0.009) 18.50 (0.009) 18.48 (0.03) 18.47 18.49 (0.03)
i magnitude 18.78 (0.01) 18.78 (0.01) 18.78 (0.03) 18.77 18.79 (0.03)
z magnitude 19.09 (0.05) 19.09 (0.05) 19.07 (0.05) 19.06 19.09 (0.05)
G magnitude 18.35 (0.01) 18.38 18.35 18.35 (0.003)
BP magnitude 18.28 (0.01) 18.26
RP magnitude 18.50 (0.03) 18.48
Pan g magnitude 18.23 (0.005)
Pan r magnitude 18.53 (0.008)
Pan i magnitude 18.79 (0.005)
Pan z magnitude 19.04 (0.02)
Pan y magnitude 19.10 (0.05)
E(B-V) 0.017

* 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.