SDSS J033137.37-064428.1

All names: SDSS J033137.37-064428.10, Gaia DR2 5168707370792161152, GALEX J033137.3-064427, Gaia EDR3 5168707370792161152, WD 0329-069, Gaia DR3 5168707370792161152, SDSS J033137.37-064428.1

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 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 03 31 37.37 (0.5) 03 31 37.37 03 31 37.37 (0.6) 03 31 37.37 (0.5) 03 31 37.37 03 31 37.39 03 31 37.37
Declination -06 44 28.35 (0.4) -06 44 28.13 -06 44 28.34 (0.5) -06 44 28.07 (0.4) -06 44 28.12 -06 44 21.12 -06 44 28.13
Spectral type DB DB DB DB DBA: DB
Effective temperature [K] 17922.0 20067.0 15402.0 18598.0 (817) 19467.0 (1338)
log(g) [cgs] 7.77 8.57 8.31 7.95 (0.3) 8.02 (0.3)
Mass [M] 0.475 0.958 0.787
log(Luminosity) [L]
Cooling age [Gyr] 0.3167
log(H/He) <-5.429
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] 2.15 (0.6) 2.10 (0.8) 2.15 (0.6)
Distance [pc] 466.05 (133) 475.22 (188) 466.05 (133)
Composition He
Proper motion (right ascension) [mas/yr] -7.231195807 (0.7) -7.964556589 (1) -7.231 (0.7) -13.1
Proper motion (declination) [mas/yr] -17.61907216 (0.5) -20.81645618 (2) -17.619 (0.5) -20.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.85 (0.04) 19.86 (0.04) 19.87 (0.04) 19.86 19.84 (0.04)
g magnitude 19.91 (0.02) 19.91 (0.02) 19.93 (0.02) 19.92 19.92 (0.02)
r magnitude 20.19 (0.03) 20.21 (0.03) 20.26 (0.03) 20.25 20.24 (0.03)
i magnitude 20.51 (0.05) 20.51 (0.05) 20.55 (0.05) 20.54 20.54 (0.05)
z magnitude 20.84 (0.3) 20.88 (0.3) 20.93 (0.3) 20.93 20.91 (0.3)
G magnitude 20.08 (0.07) 20.16 20.08 (0.006)
BP magnitude 19.91 (0.07) 19.86
RP magnitude 20.04 (0.08) 19.97
Pan g magnitude 19.96 (0.02)
Pan r magnitude 20.24 (0.01)
Pan i magnitude 20.52 (0.02)
Pan z magnitude 20.67 (0.05)
Pan y magnitude 20.19 (0.3)
E(B-V) 0.033

* 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.