SDSS J101039.43+542519.2

All names: GALEX J101039.4+542519, SDSS J101039.43+542519.2, SDSS J101039.45+542519.3, Gaia DR2 852533351646489472, SDSS J101039.45+542519.1, Gaia EDR3 852533351646489472, WD 1007+546, SDSS J101039.44+542519.3, Gaia DR3 852533351646489472

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 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 10 39.45 (0.06) 10 10 39.44 10 10 39.45 (0.08) 10 10 39.45 10 10 39.44 (0.06) 10 10 39.43 10 10 39.41 10 10 39.45
Declination 54 25 19.06 (0.06) 54 25 19.29 54 25 19.06 (0.1) 54 25 19.06 54 25 19.27 (0.06) 54 25 19.28 54 25 13.08 54 25 19.33
Spectral type DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 22495.0 24020.0 (300) 24055.0 (895) 24573.0 (300) 23475.0 (219)
log(g) [cgs] 7.89 8.01 (0.04) 7.99 (0.04) 7.99 (0.03) 8.03 (0.03)
Mass [M] 0.572 0.64 (0.02) 0.629 (0.03) 0.645 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.0301 0.0295
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 3.37 (0.09) 3.29 (0.1) 3.37 3.37 (0.09)
Distance [pc] 296.32 (8) 303.51 (11) 296.32 296.31 (8)
Composition H H
Proper motion (right ascension) [mas/yr] 6.171476423 (0.09) 6.306973955 (0.2) 6.171 (0.09) 10.1
Proper motion (declination) [mas/yr] -13.3881301 (0.09) -13.45313284 (0.2) -13.388 (0.09) -12.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.48 (0.009) 17.48 (0.009) 17.48 (0.01) 17.47 17.48 (0.01)
g magnitude 17.59 (0.005) 17.59 (0.005) 17.61 (0.03) 17.60 17.61 (0.03)
r magnitude 18.02 (0.007) 18.02 (0.007) 18.00 (0.01) 18.01 (0.02)
i magnitude 18.36 (0.009) 18.36 (0.009) 18.35 (0.02) 18.36 (0.02)
z magnitude 18.66 (0.03) 18.66 (0.03) 18.64 (0.03) 18.64 (0.03)
G magnitude 17.82 (0.008) 17.84 17.82 17.82 (0.003)
BP magnitude 17.72 (0.008) 17.69
RP magnitude 18.08 (0.02) 18.03
Pan g magnitude 17.64 (0.02)
Pan r magnitude 18.03 (0.007)
Pan i magnitude 18.35 (0.004)
Pan z magnitude 18.64 (0.01)
Pan y magnitude 18.80 (0.03)
E(B-V) 0.019

* 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.