SDSS J121135.18+205340.8

All names: 2MASS J12113516+2053407, Gaia DR3 3951770649948609920, PSO J182.8964+20.8945, Gaia DR2 3951770649948609920, TIC 357290255, SDSS J121135.18+205340.8, J1211+2053, SDSS J121135.18+205340.7, WDJ121135.20+205340.93, Gaia EDR3 3951770649948609920, GALEX J121135.3+205341

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 Kilic et al. 2020 Blouin et al. 2019 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 11 35.16 (0.09) 12 11 35.18 12 11 35.16 (0.1) 12 11 35.16 12 11 35.20 (0.09) 12 11 35.16 12 11 35.18
Declination 20 53 40.32 (0.08) 20 53 40.76 20 53 40.34 (0.1) 20 53 40.32 20 53 40.93 (0.08) 20 53 40.34 20 53 40.78
Spectral type DA DA DA DA DA DA DA DA
Effective temperature [K] 6733.0 (29) 6687.0 (30) 6660.0 (60) 6676.0 6799.0 (93) 6539.0 (29)
log(g) [cgs] 7.19 (0.02) 7.17 (0.02) 7.16 (0.04) 7.16 7.17 (0.03) 7.53 (0.07)
Mass [M] 0.239 (0.007) 0.235 (0.008) 0.235 (0.009) 0.234 0.237 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.6800 0.7710 (0.02) 0.7649
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] 9.80 (0.1) 10.04 (0.2) 10.04 (0.2) 10.04 (0.2) 9.80 9.80 (0.1) 10.04 (0.2)
Distance [pc] 102.02 (1) 99.60 (2) 99.62 (2) 99.62 (2) 102.02 102.02 (1) 99.62 (2)
Composition H H H
Proper motion (right ascension) [mas/yr] -36.9383302 (0.1) -37.15491646 (0.2) -36.938 (0.1) -37.15491646
Proper motion (declination) [mas/yr] -38.31619921 (0.09) -38.21324962 (0.3) -38.316 (0.09) -38.21324962
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.81 (0.02) 16.74 (0.1) 16.74 (0.1)
H magnitude
K magnitude 15.88 (0.2) 15.88 (0.2)
u magnitude 18.38 (0.02) 18.38 (0.02) 18.38 (0.02) 18.38 (0.02) 18.39 (0.02)
g magnitude 17.77 (0.006) 17.75 (0.005) 17.77 (0.006) 17.79 (0.04)
r magnitude 17.53 (0.006) 17.55 (0.004) 17.53 (0.006) 17.52 (0.01)
i magnitude 17.46 (0.006) 17.48 (0.005) 17.46 (0.006) 17.44 (0.02)
z magnitude 17.48 (0.01) 17.53 (0.004) 17.48 (0.01) 17.50 (0.02)
G magnitude 17.52 (0.007) 17.53 17.52 17.52 (0.003) 17.53
BP magnitude 17.75 (0.007) 17.73 17.73
RP magnitude 17.16 (0.009) 17.16 17.16
Pan g magnitude 17.75 (0.005) 17.75 (0.005) 17.75 (0.005)
Pan r magnitude 17.55 (0.003) 17.55 (0.004) 17.55 (0.004)
Pan i magnitude 17.48 (0.004) 17.48 (0.005) 17.48 (0.005)
Pan z magnitude 17.53 (0.004) 17.53 (0.003) 17.53 (0.003)
Pan y magnitude 17.53 (0.008) 17.53 (0.008) 17.53 (0.008)
E(B-V) 0.004

* 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.