SDSS J103728.49+372359.6

All names: SDSS J103728.49+372359.6, GALEX J103728.4+372400, Gaia DR3 751920405548206720, SDSS J103728.48+372359.5, Gaia DR2 751920405548206720, SDSS J103728.49+372359.60, Gaia EDR3 751920405548206720

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 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 37 28.46 (0.4) 10 37 28.49 10 37 28.46 (0.6) 10 37 28.50 (0.4) 10 37 28.49
Declination 37 23 59.50 (0.5) 37 23 59.57 37 23 59.51 (0.8) 37 23 59.58 (0.5) 37 23 59.60
Spectral type DB DB DB DZ:
Effective temperature [K] 13697.0 11458.0 11126.0 11405.0 (351)
log(g) [cgs] 9.72 6.56 6.55 7.81 (0.5)
Mass [M] 1.466 0.13 0.125 0.477 (0.2)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -5.04
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] 3.26 (0.6) 1.07 (1) 3.26 (0.6)
Distance [pc] 306.71 (60) 931.70 (934) 306.71 (60)
Composition He
Proper motion (right ascension) [mas/yr] -30.11656878 (0.5) -31.22160089 (1) -30.117 (0.5)
Proper motion (declination) [mas/yr] -4.617869768 (0.5) -3.535756435 (1) -4.618 (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 19.86 (0.03) 19.86 (0.04) 19.89 (0.04)
g magnitude 19.79 (0.01) 19.79 (0.01) 19.79 (0.02)
r magnitude 19.92 (0.02) 19.94 (0.02) 19.94 (0.02)
i magnitude 20.14 (0.03) 20.14 (0.03) 20.15 (0.04)
z magnitude 20.46 (0.2) 20.46 (0.2) 20.46 (0.2)
G magnitude 19.85 (0.07) 19.90 19.85 (0.006)
BP magnitude 19.95 (0.07) 19.90
RP magnitude 19.92 (0.07) 19.76
Pan g magnitude 19.85 (0.01)
Pan r magnitude 19.96 (0.01)
Pan i magnitude 20.13 (0.01)
Pan z magnitude 20.36 (0.02)
Pan y magnitude 19.73 (0.2)
E(B-V) 0.018

* 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.