SDSS J083702.23+365243.4

All names: Gaia DR2 909857558591945600, GALEX J083702.2+365244, Gaia DR3 909857558591945600, Gaia EDR3 909857558591945600, SDSS J083702.23+365243.4, WD 0833+370, SDSS J083702.23+365243.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 37 02.23 (0.1) 08 37 02.23 08 37 02.23 (0.2) 08 37 02.23 08 37 02.24 (0.1) 08 37 02.23 08 37 01.90 08 37 02.23
Declination 36 52 43.58 (0.07) 36 52 43.39 36 52 43.57 (0.1) 36 52 43.58 36 52 43.39 (0.07) 36 52 43.41 36 52 37.20 36 52 43.42
Spectral type DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 8091.0 8740.0 (60) 8424.0 (188) 8839.0 (42) 8630.0 (44)
log(g) [cgs] 7.79 8.29 (0.08) 7.86 (0.05) 8.32 (0.08) 8.11 (0.07)
Mass [M] 0.48 0.78 (0.05) 0.518 (0.04) 0.659 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.7961 1.3490
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 7.40 (0.2) 7.58 (0.2) 7.40 7.40 (0.2)
Distance [pc] 135.18 (3) 131.93 (4) 135.18 135.18 (3)
Composition H H
Proper motion (right ascension) [mas/yr] -8.016386995 (0.2) -8.036631408 (0.4) -8.016 (0.2)
Proper motion (declination) [mas/yr] 11.89118821 (0.1) 11.91018674 (0.3) 11.891 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.73 (0.02) 18.73 (0.02) 18.73 (0.03) 18.74 18.73 (0.03)
g magnitude 18.30 (0.007) 18.30 (0.007) 18.30 (0.03) 18.30 18.30 (0.03)
r magnitude 18.31 (0.008) 18.31 (0.008) 18.31 (0.02) 18.31 18.31 (0.02)
i magnitude 18.37 (0.01) 18.37 (0.01) 18.36 (0.02) 18.37 18.37 (0.02)
z magnitude 18.49 (0.02) 18.49 (0.02) 18.50 (0.03) 18.51 18.50 (0.03)
G magnitude 18.24 (0.01) 18.27 18.24 18.24 (0.003)
BP magnitude 18.37 (0.01) 18.34
RP magnitude 17.98 (0.02) 17.98
Pan g magnitude 18.30 (0.004)
Pan r magnitude 18.29 (0.008)
Pan i magnitude 18.34 (0.005)
Pan z magnitude 18.40 (0.01)
Pan y magnitude 18.45 (0.03)
E(B-V) 0.006

* 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.