SDSS J103734.47+455025.8

All names: SDSS J103734.47+455025.8, Gaia DR3 830457833924828288, GALEX J103734.4+455026, Gaia DR2 830457833924828288, SDSS J103734.47+455025.83, Gaia EDR3 830457833924828288

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 10 37 34.45 (0.5) 10 37 34.47 10 37 34.45 (0.7) 10 37 34.48 (0.5)
Declination 45 50 25.79 (0.6) 45 50 25.83 45 50 25.79 (0.9) 45 50 25.70 (0.6)
Spectral type DB: DB: DB
Effective temperature [K] 14048.0 6805.0 11793.0 (954)
log(g) [cgs] 9.55 8.14 7.56 (0.9)
Mass [M] 1.377 0.662 0.419 (0.3)
log(Luminosity) [L]
Cooling age [Gyr] 2.2290
log(H/He) <-6.076
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] 3.55 (0.9) 4.29 (1) 3.55 (0.9)
Distance [pc] 281.96 (69) 232.98 (56) 281.96 (69)
Composition He
Proper motion (right ascension) [mas/yr] -19.15254493 (0.7) -18.20968859 (1) -19.153 (0.7)
Proper motion (declination) [mas/yr] 5.86657584 (1) 6.713826138 (2) 5.867 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.31 (0.1) 21.34 (0.1) 21.34 (0.1)
g magnitude 20.88 (0.03) 20.89 (0.04) 20.89 (0.04)
r magnitude 20.69 (0.04) 20.72 (0.04) 20.72 (0.04)
i magnitude 20.62 (0.05) 20.63 (0.05) 20.63 (0.05)
z magnitude 20.45 (0.2) 20.47 (0.1) 20.47 (0.1)
G magnitude 20.63 (0.1) 20.73 20.63 (0.008)
BP magnitude 20.67 (0.1) 20.64
RP magnitude 19.90 (0.1) 19.76
Pan g magnitude 20.79 (0.03)
Pan r magnitude 20.65 (0.04)
Pan i magnitude 20.68 (0.02)
Pan z magnitude 20.74 (0.08)
Pan y magnitude
E(B-V) 0.015

* 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.