SDSS J163824.68+121027.8

All names: Gaia DR3 4459377995556396288, SDSS J163824.68+121027.8, SDSS J163824.67+121027.7, Gaia DR2 4459377995556396288, Gaia EDR3 4459377995556396288, GALEX J163824.6+121027

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 38 24.68 (0.5) 16 38 24.68 16 38 24.68 (0.6) 16 38 24.68 (0.5) 16 38 24.68
Declination 12 10 27.81 (0.4) 12 10 27.74 12 10 27.80 (0.5) 12 10 27.73 (0.4) 12 10 27.83
Spectral type DAZ DAZ DAZ DA
Effective temperature [K] 17818.0 17778.0 (966)
log(g) [cgs] 8.52 8.24 (0.2)
Mass [M] 0.939
log(Luminosity) [L]
Cooling age [Gyr] 0.2826
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] 1.74 (0.8) 2.00 (0.8) 1.74 (0.8)
Distance [pc] 573.69 (249) 499.36 (209) 573.69 (249)
Composition H
Proper motion (right ascension) [mas/yr] -0.377726426 (0.7) -0.939846672 (1) -0.378 (0.7)
Proper motion (declination) [mas/yr] 4.824335498 (0.6) 4.15635703 (1) 4.824 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.65 (0.06) 20.65 (0.06) 20.73 (0.1)
g magnitude 20.34 (0.02) 20.34 (0.02) 20.39 (0.03)
r magnitude 20.64 (0.03) 20.64 (0.03) 20.56 (0.04)
i magnitude 20.89 (0.05) 20.89 (0.05) 20.91 (0.07)
z magnitude 21.07 (0.2) 21.07 (0.2) 20.88 (0.3)
G magnitude 20.47 (0.08) 20.53 20.47 (0.007)
BP magnitude 20.42 (0.08) 20.47
RP magnitude 20.22 (0.1) 20.53
Pan g magnitude 20.35 (0.02)
Pan r magnitude 20.61 (0.02)
Pan i magnitude 20.90 (0.04)
Pan z magnitude 20.83 (0.05)
Pan y magnitude
E(B-V) 0.056

* 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.