SDSS J121014.95+193310.5

All names: SDSS J121014.95+193310.4, GALEX J121014.8+193310, SDSS J121014.95+193310.5, Gaia DR2 3950975531243342336, Gaia DR3 3950975531243342336, Gaia EDR3 3950975531243342336

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 10 14.93 (0.5) 12 10 14.95 12 10 14.94 (0.7) 12 10 14.96 (0.5) 12 10 14.95
Declination 19 33 10.44 (0.3) 19 33 10.48 19 33 10.44 (0.3) 19 33 10.51 (0.3) 19 33 10.52
Spectral type DA DA DA DA DA
Effective temperature [K] 30421.0 (566) 12881.0 30676.0 (653)
log(g) [cgs] 7.71 (0.1) 7.09 7.63 (0.2)
Mass [M] 0.51 (0.06) 0.251
log(Luminosity) [L] -0.68 (0.1)
Cooling age [Gyr] 0.0078 (0.001) 0.1189
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] 0.82 (0.5) 1.15 (0.7) 0.82 (0.5)
Distance [pc] 1212.71 (735) 872.20 (553) 1212.71 (735)
Composition H H
Proper motion (right ascension) [mas/yr] -26.54359937 (0.7) -27.30289875 (1) -26.544 (0.7)
Proper motion (declination) [mas/yr] -4.262628755 (0.3) -3.472154465 (0.7) -4.263 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.54 (0.03) 19.54 (0.03) 19.57 (0.04)
g magnitude 19.79 (0.01) 19.79 (0.01) 19.80 (0.02)
r magnitude 20.22 (0.02) 20.22 (0.02) 20.25 (0.02)
i magnitude 20.44 (0.03) 20.44 (0.03) 20.43 (0.03)
z magnitude 20.66 (0.1) 20.66 (0.1) 20.64 (0.1)
G magnitude 20.01 (0.06) 20.03 20.01 (0.006)
BP magnitude 19.92 (0.06) 19.69
RP magnitude 20.13 (0.1) 20.12
Pan g magnitude 19.83 (0.01)
Pan r magnitude 20.19 (0.02)
Pan i magnitude 20.44 (0.06)
Pan z magnitude 20.50 (0.04)
Pan y magnitude 20.13 (0.2)
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.