SDSS J091430.48+413627.2

All names: SDSS J091430.48+413627.1, SDSS J091430.48+413627.2, Gaia DR2 816025369420605056, SDSS J091430.49+413627.2, SDSS J091430.49+413627.3, GALEX J091430.4+413627, SDSS J091430.49+413627.30, Gaia EDR3 816025373717102720, Gaia DR3 816025373717102720, WD 0911+418

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 14 30.47 (0.3) 09 14 30.48 09 14 30.47 (0.5) 09 14 30.49 (0.3) 09 14 30.48 09 14 30.41 09 14 30.49
Declination 41 36 26.93 (0.2) 41 36 27.17 41 36 26.94 (0.4) 41 36 27.26 (0.2) 41 36 27.26 41 36 20.88 41 36 27.27
Spectral type DB DB DB DB DBA DB
Effective temperature [K] 15007.0 13622.0 14446.0 14524.0 (389) 13865.0 (359)
log(g) [cgs] 8.55 7.77 7.89 8.05 (0.3) 7.85 (0.3)
Mass [M] 0.941 0.465 0.525
log(Luminosity) [L]
Cooling age [Gyr] 0.1871
log(H/He) -4.958
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] 2.32 (0.4) 2.12 (0.7) 2.32 (0.4)
Distance [pc] 430.49 (75) 471.72 (156) 430.48 (75)
Composition He
Proper motion (right ascension) [mas/yr] -9.857139738 (0.4) -8.743683058 (1) -9.857 (0.4) -8.5
Proper motion (declination) [mas/yr] -20.58152484 (0.3) -20.48317807 (0.8) -20.582 (0.3) -19.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.46 (0.03) 19.46 (0.03) 19.45 (0.03) 19.44 19.45 (0.03)
g magnitude 19.47 (0.01) 19.47 (0.01) 19.49 (0.02) 19.48 19.49 (0.02)
r magnitude 19.74 (0.02) 19.74 (0.02) 19.74 (0.02) 19.74 19.74 (0.02)
i magnitude 19.93 (0.02) 19.93 (0.02) 19.94 (0.03) 19.94 19.94 (0.03)
z magnitude 20.10 (0.08) 20.10 (0.08) 20.06 (0.07) 20.06 20.06 (0.07)
G magnitude 19.61 (0.03) 19.65 19.61 (0.004)
BP magnitude 19.65 (0.03) 19.52
RP magnitude 19.64 (0.05) 19.65
Pan g magnitude 19.45 (0.01)
Pan r magnitude 19.72 (0.02)
Pan i magnitude 20.00 (0.01)
Pan z magnitude 20.14 (0.03)
Pan y magnitude 20.22 (0.2)
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.