SDSS J101216.88+281241.7

All names: SDSS J101216.88+281241.7, Gaia DR3 739699956575210752, Gaia EDR3 739699956575210752, SDSS J101216.87+281241.7, Gaia DR2 739699956575210752, GALEX J101216.9+281242, SDSS J101216.88+281241.8

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 12 16.88 (0.2) 10 12 16.88 10 12 16.88 (0.3) 10 12 16.88 (0.2) 10 12 16.88
Declination 28 12 41.60 (0.2) 28 12 41.72 28 12 41.60 (0.2) 28 12 41.76 (0.2) 28 12 41.77
Spectral type DA DA DA DA
Effective temperature [K] 14745.0 18090.0 (344)
log(g) [cgs] 7.61 7.81 (0.07)
Mass [M] 0.416 0.527 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.1158
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] 2.30 (0.2) 2.27 (0.3) 2.30 (0.2)
Distance [pc] 434.83 (44) 440.47 (58) 434.84 (44)
Composition H
Proper motion (right ascension) [mas/yr] -3.349744897 (0.2) -3.451126688 (0.5) -3.35 (0.2)
Proper motion (declination) [mas/yr] -10.59131628 (0.2) -10.30539472 (0.5) -10.591 (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 19.03 (0.02) 19.03 (0.02) 19.04 (0.03)
g magnitude 18.84 (0.009) 18.82 (0.009) 18.86 (0.02)
r magnitude 19.15 (0.01) 19.15 (0.01) 19.18 (0.02)
i magnitude 19.49 (0.02) 19.49 (0.02) 19.51 (0.03)
z magnitude 19.88 (0.1) 19.88 (0.1) 19.87 (0.09)
G magnitude 19.01 (0.03) 19.05 19.01 (0.004)
BP magnitude 18.95 (0.03) 18.98
RP magnitude 19.32 (0.06) 19.20
Pan g magnitude 18.87 (0.007)
Pan r magnitude 19.15 (0.02)
Pan i magnitude 19.43 (0.02)
Pan z magnitude 19.67 (0.03)
Pan y magnitude 19.82 (0.04)
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.