SDSS J100327.89+451625.4

All names: Gaia DR2 809916482816487168, SDSS J100327.90+451625.5, SDSS J100327.90+451625.50, SDSS J100327.89+451625.4, WD 1000+455, GALEX J100327.9+451624, Gaia EDR3 809916482816487168, Gaia DR3 809916482816487168

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 10 03 27.92 (0.9) 10 03 27.90 10 03 27.92 (1) 10 03 27.91 (0.9) 10 03 27.90 10 03 28.13 10 03 27.90
Declination 45 16 25.33 (0.8) 45 16 25.38 45 16 25.34 (2) 45 16 25.45 (0.8) 45 16 25.47 45 16 22.08 45 16 25.49
Spectral type DB DB DB DB DB: DB
Effective temperature [K] 30161.0 15542.0 13272.0 21932.0 (1613) 20690.0 (1792)
log(g) [cgs] 8.51 7.22 6.95 7.80 (0.3) 7.77 (0.3)
Mass [M] 0.926 0.274 0.21
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) <-3.326
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] 1.83 (2) 0.78 (3) 1.83 (2)
Distance [pc] 546.24 (450) 1288.90 (5465) 546.24 (450)
Composition He
Proper motion (right ascension) [mas/yr] 4.342101622 (1) 3.239478568 (2) 4.342 (1) 11.0
Proper motion (declination) [mas/yr] -7.022111226 (1) -6.492700777 (2) -7.022 (1) -12.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.47 (0.06) 20.46 (0.06) 20.46 (0.06) 20.46 20.46 (0.06)
g magnitude 20.45 (0.03) 20.49 (0.03) 20.51 (0.04) 20.51 20.52 (0.04)
r magnitude 20.76 (0.04) 20.73 (0.04) 20.76 (0.04) 20.76 20.77 (0.04)
i magnitude 21.06 (0.08) 21.06 (0.08) 21.05 (0.08) 21.05 21.07 (0.08)
z magnitude 21.08 (0.3) 20.80 (0.2) 20.81 (0.2) 20.80 20.82 (0.2)
G magnitude 20.65 (0.1) 20.78 20.65 (0.01)
BP magnitude 20.60 (0.1) 20.43
RP magnitude 20.39 (0.2) 20.20
Pan g magnitude 20.52 (0.02)
Pan r magnitude 20.76 (0.03)
Pan i magnitude 21.09 (0.04)
Pan z magnitude 21.19 (0.08)
Pan y magnitude
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.