SDSS J213135.59+004249.0

All names: Gaia DR3 2688182544092288128, Gaia DR2 2688182544092288128, SDSS J213135.59+004249.1, SDSS J213135.59+004249.0, SDSS J213135.60+004249.1, GALEX J213135.5+004249, Gaia EDR3 2688182544092288128

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 21 31 35.59 (0.07) 21 31 35.59 21 31 35.59 (0.09) 21 31 35.59 21 31 35.59 (0.07) 21 31 35.60
Declination 00 42 49.16 (0.06) 00 42 49.16 00 42 49.16 (0.09) 00 42 49.16 00 42 49.14 (0.06) 00 42 49.07
Spectral type DA DA DA DA DA
Effective temperature [K] 14649.0 16799.0 (336) 17427.0 (96)
log(g) [cgs] 7.79 8.00 (0.02) 7.92 (0.02)
Mass [M] 0.499 0.617 (0.02) 0.577 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.1530
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] 6.70 (0.08) 6.49 (0.1) 6.70 6.70 (0.08)
Distance [pc] 149.36 (2) 154.06 (3) 149.36 149.36 (2)
Composition H
Proper motion (right ascension) [mas/yr] -1.978658462 (0.09) -1.883897001 (0.2) -1.979 (0.09)
Proper motion (declination) [mas/yr] 1.495416367 (0.06) 1.533007273 (0.2) 1.495 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude 17.36 (0.06)
K magnitude 17.26 (0.09)
u magnitude 17.02 (0.008) 17.00 (0.008) 17.04 (0.02)
g magnitude 16.80 (0.004) 16.81 (0.004) 16.83 (0.01)
r magnitude 17.12 (0.005) 17.13 (0.005) 17.13 (0.01)
i magnitude 17.39 (0.006) 17.40 (0.006) 17.41 (0.02)
z magnitude 17.66 (0.02) 17.66 (0.01) 17.68 (0.02)
G magnitude 16.98 (0.005) 17.01 16.98 16.98 (0.003)
BP magnitude 16.94 (0.005) 16.92
RP magnitude 17.14 (0.01) 17.13
Pan g magnitude 16.86 (0.004)
Pan r magnitude 17.14 (0.004)
Pan i magnitude 17.43 (0.003)
Pan z magnitude 17.65 (0.005)
Pan y magnitude 17.80 (0.01)
E(B-V) 0.012

* 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.