SDSS J102953.32+020812.4

All names: Gaia DR2 3855635812846967296, SDSS J102953.33+020812.5, SDSS J102953.33+020812.4, SDSS J102953.32+020812.4, SDSS J102953.32+020812.45, Gaia EDR3 3855635812846967296, GALEX J102953.3+020812, Gaia DR3 3855635812846967296

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 10 29 53.31 (0.3) 10 29 53.33 10 29 53.31 (0.4) 10 29 53.34 (0.3)
Declination 02 08 12.56 (0.3) 02 08 12.47 02 08 12.56 (0.5) 02 08 12.52 (0.3)
Spectral type DBA DBA DB DB+MS
Effective temperature [K] 14201.0 14963.0 12731.0 14152.0 (72) 14570.0 (137)
log(g) [cgs] 8.18 7.61 7.40 8.00 (0) 8.50 (0.09)
Mass [M] 0.699 0.393 0.313 0.936 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.1721
log(H/He) -4.853 -4.81 (0.2)
log(C/He)
log(Ca/He) <-8.27
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] 2.91 (0.4) 2.38 (0.5) 2.91 (0.4)
Distance [pc] 343.26 (42) 420.04 (85) 304.00 343.25 (42)
Composition He
Proper motion (right ascension) [mas/yr] -25.88276018 (0.3) -24.67177352 (1) -25.883 (0.3)
Proper motion (declination) [mas/yr] 2.189095931 (0.4) 1.284282659 (1) 2.189 (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 18.79 (0.02) 18.79 (0.02) 18.80 (0.02)
g magnitude 18.86 (0.009) 18.86 (0.01) 18.86 (0.009)
r magnitude 19.05 (0.01) 19.05 (0.01) 19.05 (0.01)
i magnitude 19.32 (0.02) 19.32 (0.02) 19.32 (0.02)
z magnitude 19.52 (0.08) 19.52 (0.08) 19.52 (0.08)
G magnitude 18.95 (0.04) 18.98 18.95 (0.004)
BP magnitude 18.95 (0.04) 18.99
RP magnitude 19.07 (0.06) 18.91
Pan g magnitude 18.89 (0.008)
Pan r magnitude 19.07 (0.01)
Pan i magnitude 19.33 (0.01)
Pan z magnitude 19.49 (0.01)
Pan y magnitude 19.63 (0.06)
E(B-V) 0.030

* 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.