WD 0933+526

All names: SDSS J093719.14+522802.4, Gaia EDR3 1020417502917748096, SDSS J093719.14+522802.2, SDSS J093719.14+522802.3, J0937+5228, Gaia DR3 1020417502917748096, Gaia DR2 1020417502917748096, WD 0933+526

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Blouin 2020 Coutu et al. 2019 Gaia DR2 Hollands et al. 2017 Stilism Koester et al. 2011 Harris et al. 2003 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 37 19.04 (0.2) 09 37 19.15 09 37 19.16 09 37 19.04 (0.2) 09 37 19.04 09 37 19.16 (0.2) 09 37 19.18 09 37 19.14
Declination 52 28 02.37 (0.2) 52 28 02.33 52 28 02.33 52 28 02.37 (0.3) 52 28 02.37 52 28 02.33 (0.2) 52 28 00.48 52 28 02.38
Spectral type DZ DZ DZ DZ DZ DZ DZ DZ DZ DZ
Effective temperature [K] 6660.0 (98) 6621.0 (80) 6600.0 (100) 6900.0 6585.0 (223) 6301.0 (5)
log(g) [cgs] 8.02 (0.09) 7.97 8.00 (0) 7.93 (0.07) 10.00 (0.003)
Mass [M] 0.585 (0.05) 0.5573 0.531 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 1.7100 2.3000
log(H/He) <-3.5612
log(C/He)
log(Ca/He) -8.4 (0.1) -8.5859 (0.07) -8.4 -8.3
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He) -8.98
log(Mg/He) -6.9 (0.1) -7.09 -6.8
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) -9.25
log(Mn/He)
log(Fe/He) -7.4 (0.2) -7.5 -7.5
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 7.17 (0.2) 7.03 7.03 (0.4) 7.17 7.17 (0.2)
Distance [pc] 139.39 (5) 142.22 (8) 142.20 (7) 142.20 (7) 132.00 (18) 139.39 139.39 (5)
Composition He He He He
Proper motion (right ascension) [mas/yr] -66.27045125 (0.3) -66.34356177 (0.6) -66.27 (0.3)
Proper motion (declination) [mas/yr] 2.771565801 (0.2) 3.007238976 (0.7) 2.772 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.72 (0.07) 20.73 (0.07) 20.73 (0.07) 20.78 (0.07) 20.80 20.72 (0.07) 20.80 20.78 (0.07)
g magnitude 19.43 (0.01) 19.44 (0.02) 19.44 (0.02) 19.44 (0.03) 19.44 19.43 (0.01) 19.44 19.44 (0.03)
r magnitude 19.17 (0.01) 19.17 (0.02) 19.17 (0.02) 19.18 (0.02) 19.18 19.17 (0.01) 19.18 19.18 (0.02)
i magnitude 19.25 (0.02) 19.24 (0.03) 19.24 (0.03) 19.30 (0.02) 19.28 19.25 (0.02) 19.28 19.30 (0.02)
z magnitude 19.44 (0.08) 19.45 (0.08) 19.45 (0.08) 19.37 (0.06) 19.29 19.44 (0.08) 19.29 19.37 (0.05)
G magnitude 19.24 (0.03) 19.28 19.24 19.24 (0.004)
BP magnitude 19.46 (0.03) 19.57
RP magnitude 18.93 (0.04) 18.93
Pan g magnitude 19.38 (0.009)
Pan r magnitude 19.20 (0.02)
Pan i magnitude 19.29 (0.009)
Pan z magnitude 19.44 (0.01)
Pan y magnitude 19.37 (0.05)
E(B-V) 0.010

* 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.