WD 1005+030

All names: WD 1005+030, Gaia DR3 3836544614496629248, Gaia EDR3 3836544614496629248, SDSS J100823.75+024840.0, J1008+0248, SDSS J100823.74+024839.9, SDSS J100823.73+024839.9, SDSS J100823.74+024840.0, Gaia DR2 3836544614496629248, GALEX J100823.7+024840

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 08 23.65 (0.2) 10 08 23.74 10 08 23.75 10 08 23.65 (0.4) 10 08 23.65 10 08 23.75 (0.2) 10 08 23.74 10 08 22.37 10 08 23.75
Declination 02 48 39.01 (0.2) 02 48 40.00 02 48 40.11 02 48 39.05 (0.3) 02 48 39.01 02 48 40.11 (0.2) 02 48 39.95 02 48 34.92 02 48 40.02
Spectral type DZ DZ DZ DZ DZ DZ DZ DZ
Effective temperature [K] 7648.0 (184) 7940.0 (220) 7630.0 (273) 10090.0 (22) 10092.0 (24)
log(g) [cgs] 7.95 8.00 7.99 (0.07) 8.66 (0.3) 9.59 (0.4)
Mass [M] 0.5487 0.569 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 1.1800
log(H/He) <-4.312 <-4.0
log(C/He)
log(Ca/He) -11.3236 (0.1) -11.26 (0.1)
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] 8.53 (0.3) 8.46 8.46 (0.4) 8.53 8.53 (0.3)
Distance [pc] 117.22 (4) 118.19 (6) 118.19 (6) 120.00 117.22 117.22 (4)
Composition He He
Proper motion (right ascension) [mas/yr] -93.27897236 (0.2) -92.77910972 (0.5) -93.279 (0.2) -88.3
Proper motion (declination) [mas/yr] -68.5804707 (0.2) -68.82482667 (0.4) -68.58 (0.2) -67.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.18 (0.04)
H magnitude
K magnitude 18.20 (0.2)
u magnitude 18.92 (0.02) 18.92 (0.02) 18.89 (0.05) 18.89 18.87 (0.05)
g magnitude 18.56 (0.008) 18.56 (0.008) 18.53 (0.02) 18.53 18.53 (0.02)
r magnitude 18.49 (0.008) 18.50 (0.008) 18.51 (0.02) 18.51 18.49 (0.02)
i magnitude 18.59 (0.01) 18.59 (0.01) 18.54 (0.02) 18.55 18.53 (0.02)
z magnitude 18.66 (0.04) 18.66 (0.04) 18.72 (0.04) 18.72 18.71 (0.05)
G magnitude 18.43 (0.03) 18.46 18.43 18.43 (0.004)
BP magnitude 18.57 (0.03) 18.54
RP magnitude 18.22 (0.04) 18.19
Pan g magnitude 18.52 (0.008)
Pan r magnitude 18.49 (0.007)
Pan i magnitude 18.56 (0.006)
Pan z magnitude 18.66 (0.009)
Pan y magnitude 18.71 (0.02)
E(B-V) 0.005

* 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.