SDSS J120302.63+313342.2

All names: Gaia EDR3 4026467862167227904, SDSS J120302.64+313342.2, LAMOST J120302.63+313342.2, SDSS J120302.63+313342.2, SDSS J120302.62+313342.2, Gaia DR3 4026467862167227904, GALEX J120302.6+313342, Gaia DR2 4026467862167227904

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Guo et al. 2015 Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 03 02.62 (0.2) 12 03 02.63 12 03 02.62 (0.3) 12 03 02.62 12 03 02.63 (0.2) 12 03 02.64
Declination 31 33 41.96 (0.1) 31 33 42.25 31 33 41.98 (0.2) 31 33 41.96 31 33 42.32 (0.1) 31 33 42.22
Spectral type DA DA DA DA DA DA
Effective temperature [K] 11122.0 14025.0 (931) 12759.0 (336)
log(g) [cgs] 7.07 7.60 (0.1) 7.81 (0.09)
Mass [M] 0.239 0.411 (0.06) 0.512 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.1815
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] 2.85 (0.2) 2.41 (0.3) 2.85 2.85 (0.2)
Distance [pc] 351.20 (25) 414.76 (50) 351.20 351.20 (25)
Composition H
Proper motion (right ascension) [mas/yr] -14.03361655 (0.2) -13.85294511 (0.5) -14.034 (0.2)
Proper motion (declination) [mas/yr] -22.18599267 (0.2) -21.99227264 (0.3) -22.186 (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 18.96 (0.02) 18.96 (0.02) 18.97 (0.03)
g magnitude 18.51 (0.008) 18.51 (0.008) 18.53 (0.02)
r magnitude 18.75 (0.01) 18.75 (0.01) 18.75 (0.02)
i magnitude 19.00 (0.01) 19.00 (0.01) 19.00 (0.02)
z magnitude 19.15 (0.04) 19.15 (0.04) 19.19 (0.04)
G magnitude 18.67 (0.02) 18.69 18.67 18.67 (0.004)
BP magnitude 18.65 (0.02) 18.65
RP magnitude 18.74 (0.04) 18.64
Pan g magnitude 18.57 (0.008)
Pan r magnitude 18.76 (0.007)
Pan i magnitude 18.98 (0.01)
Pan z magnitude 19.20 (0.02)
Pan y magnitude 19.26 (0.03)
E(B-V) 0.018

* 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.