SDSS J100913.68+310532.4

All names: GALEX J100913.7+310532, Gaia DR3 745510527635368064, SDSS J100913.67+310532.4, SDSS J100913.68+310532.5, Gaia DR2 745510527635368064, SDSS J100913.68+310532.4, Gaia EDR3 745510527635368064

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 09 13.66 (0.2) 10 09 13.67 10 09 13.66 (0.3) 10 09 13.68 (0.2) 10 09 13.68
Declination 31 05 32.38 (0.2) 31 05 32.46 31 05 32.38 (0.3) 31 05 32.49 (0.2) 31 05 32.46
Spectral type DA DA DA DA
Effective temperature [K] 20244.0 21780.0 (471)
log(g) [cgs] 8.24 7.73 (0.09)
Mass [M] 0.77 0.502 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.1149
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] 2.16 (0.3) 2.49 (0.4) 2.16 (0.3)
Distance [pc] 463.47 (70) 400.97 (72) 463.48 (70)
Composition H
Proper motion (right ascension) [mas/yr] -13.50611667 (0.3) -12.32513277 (0.6) -13.506 (0.3)
Proper motion (declination) [mas/yr] -7.04959016 (0.3) -8.030106818 (0.6) -7.05 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.03 (0.02) 19.03 (0.02) 19.05 (0.03)
g magnitude 18.97 (0.009) 18.98 (0.009) 18.99 (0.02)
r magnitude 19.34 (0.01) 19.34 (0.01) 19.35 (0.02)
i magnitude 19.70 (0.02) 19.70 (0.02) 19.64 (0.03)
z magnitude 19.96 (0.08) 19.96 (0.08) 20.09 (0.1)
G magnitude 19.18 (0.02) 19.23 19.18 (0.004)
BP magnitude 19.12 (0.02) 19.04
RP magnitude 19.43 (0.05) 19.37
Pan g magnitude 18.99 (0.01)
Pan r magnitude 19.34 (0.009)
Pan i magnitude 19.68 (0.009)
Pan z magnitude 19.95 (0.03)
Pan y magnitude 19.99 (0.05)
E(B-V) 0.020

* 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.