SDSS J101239.97+240415.8

All names: SDSS J101239.98+240415.8, SDSS J101239.97+240415.8, Gaia EDR3 726292198253359360, Gaia DR2 726292198253359360, Gaia DR3 726292198253359360, SDSS J101239.98+240415.9, GALEX J101240.0+240416

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 12 39.95 (0.1) 10 12 39.97 10 12 39.95 (0.2) 10 12 39.95 10 12 39.99 (0.1) 10 12 39.98
Declination 24 04 15.54 (0.1) 24 04 15.86 24 04 15.55 (0.2) 24 04 15.54 24 04 15.99 (0.1) 24 04 15.88
Spectral type DA DA DA DA DA
Effective temperature [K] 9808.0 9756.0 (248) 10054.0 (34)
log(g) [cgs] 7.92 7.98 (0.05) 8.13 (0.04)
Mass [M] 0.554 0.587 (0.04) 0.674 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.5726
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] 6.93 (0.1) 6.63 (0.2) 6.93 6.93 (0.1)
Distance [pc] 144.24 (3) 150.72 (4) 144.24 144.24 (3)
Composition H
Proper motion (right ascension) [mas/yr] -32.29734724 (0.1) -31.85514858 (0.3) -32.297 (0.1)
Proper motion (declination) [mas/yr] -27.96732446 (0.1) -27.55920922 (0.3) -27.967 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.44 (0.02) 18.44 (0.01) 18.45 (0.02)
g magnitude 17.99 (0.006) 17.99 (0.006) 18.00 (0.02)
r magnitude 18.09 (0.007) 18.09 (0.007) 18.09 (0.02)
i magnitude 18.22 (0.008) 18.22 (0.008) 18.22 (0.02)
z magnitude 18.40 (0.03) 18.40 (0.03) 18.40 (0.03)
G magnitude 18.01 (0.01) 18.04 18.01 18.01 (0.003)
BP magnitude 18.09 (0.01) 18.07
RP magnitude 17.94 (0.02) 17.87
Pan g magnitude 18.01 (0.005)
Pan r magnitude 18.09 (0.004)
Pan i magnitude 18.24 (0.01)
Pan z magnitude 18.39 (0.01)
Pan y magnitude 18.49 (0.01)
E(B-V) 0.009

* 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.