SDSS J121033.23+221402.6

All names: Gaia DR2 4001466277717538432, SDSS J121033.23+221402.6, Gaia DR3 4001466277717538432, J1210+2214, WDJ121033.25+221402.66, SDSS J121033.24+221402.6, GALEX J121033.2+221403, LAMOST J121033.23+221403.0, Gaia EDR3 4001466277717538432

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Hardy et al. 2023a Kilic et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 10 33.19 (0.1) 12 10 33.23 12 10 33.19 (0.1) 12 10 33.19 12 10 33.25 (0.1) 12 10 33.19 12 10 33.24
Declination 22 14 02.55 (0.06) 22 14 02.64 22 14 02.55 (0.08) 22 14 02.55 22 14 02.66 (0.06) 22 14 02.55 22 14 02.64
Spectral type DAH DAH DAH DAH DA DAH DAH DA
Effective temperature [K] 12636.0 (152) 13177.1 (426) 12640.0 (152) 12848.0 14152.0 (404) 15144.0 (96)
log(g) [cgs] 8.44 (0.01) 8.48 (0.03) 8.43 (0.01) 8.44 8.53 (0.02) 8.56 (0.02)
Mass [M] 0.883 (0.01) 0.9084055094183026 (0.04) 0.879 (0.01) 0.887 0.943 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.6158
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] 10.35 (0.09) 10.30 (0.1) 10.35 10.35 (0.09) 10.30 (0.1)
Distance [pc] 96.66 (0.9) 97.09 (1) 96.66 96.66 (0.9) 97.09 (1)
Composition H H
Proper motion (right ascension) [mas/yr] -56.57258861 (0.1) -56.28783419 (0.2) -56.573 (0.1) -56.28783419
Proper motion (declination) [mas/yr] -7.20086685 (0.07) -7.361854603 (0.2) -7.201 (0.07) -7.361854603
Variability
Magnetic yes
Bd [MG] 2.000006485282984
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.41 (0.009) 17.41 (0.009) 17.41 (0.009) 17.44 (0.02)
g magnitude 17.08 (0.004) 17.08 (0.004) 17.08 (0.004) 17.07 (0.03)
r magnitude 17.30 (0.005) 17.30 (0.005) 17.30 (0.005) 17.32 (0.02)
i magnitude 17.53 (0.006) 17.53 (0.006) 17.53 (0.006) 17.53 (0.01)
z magnitude 17.79 (0.02) 17.79 (0.02) 17.79 (0.02) 17.77 (0.04)
G magnitude 17.19 (0.007) 17.21 17.19 17.19 (0.003) 17.21
BP magnitude 17.18 (0.007) 17.18 17.18
RP magnitude 17.26 (0.01) 17.25 17.25
Pan g magnitude 17.10 (0.005)
Pan r magnitude 17.30 (0.004)
Pan i magnitude 17.53 (0.005)
Pan z magnitude 17.75 (0.01)
Pan y magnitude 17.90 (0.01)
E(B-V) 0.003

* 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.