SDSS J103102.22+352646.0

All names: GALEX J103102.1+352646, SDSS J103102.22+352646.0, Gaia DR2 751331582710740864, Gaia EDR3 751331582710740864, SDSS J103102.22+352646.06, Gaia DR3 751331582710740864, SDSS J103102.22+352646.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 10 31 02.22 (0.2) 10 31 02.22 10 31 02.22 (0.2) 10 31 02.22 (0.2)
Declination 35 26 45.91 (0.2) 35 26 46.28 35 26 45.92 (0.3) 35 26 46.45 (0.2)
Spectral type DC DC DC DC DC
Effective temperature [K] 10041.0 10129.0 11801.0 (1000)
log(g) [cgs] 7.96 7.90 9.00 (0.5)
Mass [M☉] 0.576 0.522
log(Luminosity) [L☉]
Cooling age [Gyr] 0.5648 0.5262
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.71 (0.2) 4.47 (0.3) 4.71 (0.2)
Distance [pc] 212.47 (1e+01) 223.80 (17) 212.48 (1e+01)
Composition
Proper motion (right ascension) [mas/yr] -2.649648735 (0.2) -3.225067179 (0.5) -2.65 (0.2)
Proper motion (declination) [mas/yr] -33.80603167 (0.2) -33.40599331 (0.6) -33.806 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.95 (0.02) 18.95 (0.02) 18.95 (0.02)
g magnitude 18.80 (0.009) 18.80 (0.01) 18.80 (0.009)
r magnitude 18.90 (0.01) 18.90 (0.01) 18.90 (0.01)
i magnitude 19.07 (0.02) 19.07 (0.02) 19.07 (0.01)
z magnitude 19.26 (0.06) 19.26 (0.06) 19.26 (0.06)
G magnitude 18.83 (0.03) 18.86 18.83 (0.004)
BP magnitude 18.87 (0.03) 18.76
RP magnitude 18.72 (0.07) 18.61
Pan g magnitude 18.85 (0.01)
Pan r magnitude 18.91 (0.01)
Pan i magnitude 19.09 (0.007)
Pan z magnitude 19.25 (0.03)
Pan y magnitude 19.35 (0.03)
E(B-V) 0.016

* 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.