SDSS J121349.82+120613.2

All names: SDSS J121349.82+120613.2, GALEX J121349.8+120613, Gaia DR3 3908387017789259264, SDSS J121349.82+120613.21, SDSS J121349.87+120613.2, Gaia EDR3 3908387017789259264, SDSS J121349.87+120613.1, Gaia DR2 3908387017789259264

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 12 13 49.81 (0.1) 12 13 49.87 12 13 49.81 (0.1) 12 13 49.81 12 13 49.89 (0.1)
Declination 12 06 13.20 (0.08) 12 06 13.19 12 06 13.20 (0.08) 12 06 13.20 12 06 13.21 (0.08)
Spectral type DA DA DA DA DA
Effective temperature [K] 14656.0 15372.0 (82) 15045.0 (580)
log(g) [cgs] 8.01 7.99 (0.01) 7.99 (0.04)
Mass [M] 0.616 0.607 (0.005) 0.609 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.2143
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] 5.61 (0.1) 5.71 (0.2) 5.61 5.61 (0.1)
Distance [pc] 178.17 (5) 175.24 (5) 178.17 178.17 (5)
Composition H
Proper motion (right ascension) [mas/yr] -70.73871453 (0.1) -70.99298618 (0.3) -70.739 (0.1)
Proper motion (declination) [mas/yr] -1.028418979 (0.1) -0.965383444 (0.2) -1.028 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.88 (0.04)
H magnitude 17.83 (0.09)
K magnitude 17.80 (0.1)
u magnitude 17.74 (0.01) 17.73 (0.02) 17.74 (0.01)
g magnitude 17.46 (0.005) 17.49 (0.03) 17.46 (0.005)
r magnitude 17.72 (0.006) 17.71 (0.01) 17.72 (0.006)
i magnitude 17.98 (0.008) 17.98 (0.02) 17.98 (0.008)
z magnitude 18.26 (0.03) 18.25 (0.03) 18.26 (0.03)
G magnitude 17.58 (0.01) 17.61 17.58 17.58 (0.003)
BP magnitude 17.54 (0.01) 17.53
RP magnitude 17.67 (0.02) 17.71
Pan g magnitude 17.46 (0.003)
Pan r magnitude 17.73 (0.005)
Pan i magnitude 17.99 (0.01)
Pan z magnitude 18.23 (0.009)
Pan y magnitude 18.40 (0.01)
E(B-V) 0.014

* 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.