SDSS J032452.83+045106.7

All names: SDSS J032452.83+045106.7, GALEX J032452.8+045107, Gaia DR2 3275610753083665792, Gaia DR3 3275610753083665792, Gaia EDR3 3275610753083665792, SDSS J032452.83+045106.70, SDSS J032452.83+045106.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 03 24 52.85 (0.4) 03 24 52.84 03 24 52.84 (0.6) 03 24 52.84 (0.4) 03 24 52.83
Declination 04 51 06.42 (0.3) 04 51 06.71 04 51 06.44 (0.5) 04 51 06.96 (0.3) 04 51 06.74
Spectral type DB DB DB DB+MS
Effective temperature [K] 15276.0 14696.0 11188.0 15527.0 (116) 15489.0 (209)
log(g) [cgs] 8.02 8.01 7.78 8.00 (0) 8.19 (0.1)
Mass [M] 0.6 0.593 0.465 0.699 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.3495
log(H/He) <-6.056 <-5.04
log(C/He)
log(Ca/He) <-6.8
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] 3.35 (0.5) 2.61 (0.9) 3.35 (0.5)
Distance [pc] 298.26 (48) 383.22 (130) 417.00 298.26 (48)
Composition He
Proper motion (right ascension) [mas/yr] 9.482725697 (0.5) 8.078121259 (1) 9.483 (0.5)
Proper motion (declination) [mas/yr] -33.75124759 (0.4) -35.14191242 (0.9) -33.751 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.63 (0.03) 19.63 (0.03) 19.69 (0.04)
g magnitude 19.52 (0.01) 19.52 (0.01) 19.52 (0.03)
r magnitude 19.71 (0.02) 19.71 (0.02) 19.70 (0.02)
i magnitude 19.87 (0.03) 19.87 (0.03) 19.85 (0.03)
z magnitude 20.09 (0.1) 20.09 (0.1) 20.10 (0.1)
G magnitude 19.60 (0.04) 19.64 19.60 (0.006)
BP magnitude 19.66 (0.04) 19.61
RP magnitude 19.55 (0.08) 19.60
Pan g magnitude 19.56 (0.009)
Pan r magnitude 19.69 (0.01)
Pan i magnitude 19.89 (0.01)
Pan z magnitude 20.03 (0.02)
Pan y magnitude 20.25 (0.1)
E(B-V) 0.052

* 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.