WD 0728+373

All names: GALEX J073129.3+371445, Gaia DR3 898706444806421632, WD 0728+373, Gaia DR2 898706444806421632, SDSS J073129.34+371444.8, SDSS J073129.33+371444.9, SDSS J073129.33+371444.8, SDSS J073129.34+371444.9, Gaia EDR3 898706444806421632

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 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 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 07 31 29.33 (0.1) 07 31 29.34 07 31 29.33 (0.1) 07 31 29.33 07 31 29.34 (0.1) 07 31 29.34 07 31 28.78 07 31 29.34 07 31 29.34
Declination 37 14 45.11 (0.1) 37 14 44.90 37 14 45.10 (0.2) 37 14 45.11 37 14 44.84 (0.1) 37 14 44.88 37 14 43.44 37 14 44.87 37 14 44.88
Spectral type DA DA DA DA DA4.0 DA DA
Effective temperature [K] 13090.0 (210) 10598.0 (309) 12632.0 (114) 12811.0 (147) 12666.0 (111)
log(g) [cgs] 8.39 (0.04) 8.40 (0.04) 8.32 (0.04) 8.39 (0.04) 8.34 (0.04)
Mass [M] 0.85 (0.03) 0.858 (0.04) 0.839 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.5623
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] 8.53 (0.2) 8.72 (0.3) 8.53 8.53 (0.2)
Distance [pc] 117.30 (2) 114.62 (3) 117.30 117.30 (2)
Composition H
Proper motion (right ascension) [mas/yr] -7.642491867 (0.1) -7.573808947 (0.3) -7.642 (0.1) -12.5 -13.0
Proper motion (declination) [mas/yr] 16.75271106 (0.1) 16.7807977 (0.2) 16.753 (0.1) 19.3 21.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.35 (0.01) 18.35 (0.01) 18.34 (0.02) 18.35 18.36 (0.02) 18.35 (0.02)
g magnitude 17.94 (0.006) 17.94 (0.006) 17.94 (0.02) 17.93 17.95 (0.02) 17.93 (0.01)
r magnitude 18.06 (0.007) 18.06 (0.007) 18.06 (0.01) 18.07 18.05 (0.01) 18.07 (0.01)
i magnitude 18.24 (0.009) 18.24 (0.009) 18.25 (0.01) 18.24 18.25 (0.01) 18.24 (0.01)
z magnitude 18.46 (0.03) 18.46 (0.03) 18.47 (0.03) 18.46 18.45 (0.03) 18.46 (0.03)
G magnitude 17.97 (0.02) 18.00 17.97 17.97 (0.003)
BP magnitude 18.04 (0.02) 18.02
RP magnitude 17.93 (0.02) 17.93
Pan g magnitude 17.94 (0.005)
Pan r magnitude 18.06 (0.006)
Pan i magnitude 18.24 (0.004)
Pan z magnitude 18.43 (0.006)
Pan y magnitude 18.61 (0.03)
E(B-V) 0.004

* 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.