WD 0736+378

All names: SDSS J073924.84+374612.9, Gaia DR2 896152279294750464, SDSS J073924.84+374612.8, Gaia DR3 896152279294750464, SDSS J073924.84+374612.90, Gaia EDR3 896152279294750464, WD 0736+378, GALEX J073924.8+374613, SDSS J073924.83+374612.8

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 07 39 24.83 (0.3) 07 39 24.84 07 39 24.83 (0.4) 07 39 24.84 (0.3) 07 39 24.84 07 39 23.98 07 39 24.84
Declination 37 46 12.79 (0.2) 37 46 12.82 37 46 12.79 (0.3) 37 46 12.83 (0.2) 37 46 12.86 37 46 05.52 37 46 12.91
Spectral type DB DB DB DB3.0 DB DB
Effective temperature [K] 16168.0 15867.0 13171.0 18188.0 (545) 20397.0 (916)
log(g) [cgs] 8.21 8.20 7.99 8.70 (0.2) 9.30 (0.3)
Mass [M] 0.719 0.715 0.581 1.413 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.2900
log(H/He) -4.864
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] 2.48 (0.4) 2.35 (0.7) 2.48 (0.4)
Distance [pc] 403.40 (60) 425.70 (121) 403.40 (60)
Composition He
Proper motion (right ascension) [mas/yr] -10.81146646 (0.4) -10.02777583 (1) -10.811 (0.4) 0.8
Proper motion (declination) [mas/yr] -2.36509943 (0.2) -2.2042791 (0.6) -2.365 (0.2) 4.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.52 (0.03) 19.52 (0.03) 19.44 (0.03) 19.45 19.44 (0.03)
g magnitude 19.58 (0.01) 19.58 (0.01) 19.56 (0.02) 19.55 19.56 (0.02)
r magnitude 19.87 (0.02) 19.87 (0.02) 19.83 (0.02) 19.83 19.82 (0.02)
i magnitude 20.06 (0.03) 20.05 (0.03) 20.11 (0.03) 20.10 20.10 (0.03)
z magnitude 20.28 (0.1) 20.28 (0.1) 20.22 (0.1) 20.22 20.21 (0.1)
G magnitude 19.69 (0.03) 19.74 19.69 (0.004)
BP magnitude 19.73 (0.03) 19.70
RP magnitude 19.69 (0.08) 19.68
Pan g magnitude 19.63 (0.009)
Pan r magnitude 19.84 (0.01)
Pan i magnitude 20.08 (0.01)
Pan z magnitude 20.25 (0.05)
Pan y magnitude 20.38 (0.3)
E(B-V) 0.031

* 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.