SDSS J103124.62+311142.3

All names: SDSS J103124.62+311142.33, SDSS J103124.62+311142.3, Gaia DR3 747810809040118272, SDSS J103124.61+311142.3, Gaia DR2 747810809040118272, GALEX J103124.6+311143, Gaia EDR3 747810809040118272

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 10 31 24.59 (0.9) 10 31 24.62 10 31 24.59 (1) 10 31 24.63 (0.9)
Declination 31 11 42.20 (0.7) 31 11 42.31 31 11 42.20 (1) 31 11 42.23 (0.7)
Spectral type DA DA DA DA
Effective temperature [K] 7988.0 8359.0 (156)
log(g) [cgs] 7.91 7.48 (0.2)
Mass [M] 0.541 0.302 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.9470
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] 3.48 (1) 2.75 (1) 3.48 (1)
Distance [pc] 287.60 (81) 363.66 (180) 287.60 (81)
Composition H
Proper motion (right ascension) [mas/yr] -33.7735093 (1) -33.23614263 (4) -33.774 (1)
Proper motion (declination) [mas/yr] -1.680614213 (1) -0.403858508 (3) -1.681 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.15 (0.09) 21.17 (0.09) 21.17 (0.09)
g magnitude 20.75 (0.03) 20.79 (0.04) 20.79 (0.04)
r magnitude 20.73 (0.04) 20.78 (0.04) 20.78 (0.04)
i magnitude 20.76 (0.06) 20.84 (0.06) 20.84 (0.06)
z magnitude 20.92 (0.2) 20.89 (0.2) 20.89 (0.2)
G magnitude 20.66 (0.1) 20.74 20.66 (0.01)
BP magnitude 20.47 (0.1) 20.71
RP magnitude 20.62 (0.2) 20.72
Pan g magnitude 20.69 (0.01)
Pan r magnitude 20.77 (0.04)
Pan i magnitude 20.76 (0.04)
Pan z magnitude 20.61 (0.05)
Pan y magnitude 20.22 (0.2)
E(B-V) 0.021

* 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.