SDSS J021849.05+314838.4

All names: SDSS J021849.05+314838.42, SDSS J021849.05+314838.4, Gaia EDR3 324518589196218112, Gaia DR3 324518589196218112, Gaia DR2 324518589196218112

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 02 18 49.05 (1) 02 18 49.05 02 18 49.05 (1) 02 18 49.06 (1)
Declination 31 48 38.37 (0.9) 31 48 38.40 31 48 38.37 (0.9) 31 48 38.42 (0.9)
Spectral type sdA: sdA: sdA: sdA
Effective temperature [K] 5814.0 5740.0 6382.0 (40)
log(g) [cgs] 7.53 7.47 8.00 (0)
Mass [M] 0.348 0.307
log(Luminosity) [L]
Cooling age [Gyr] 1.3540 1.5200
log(H/He)
log(C/He)
log(Ca/He) -10.343
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] -3.20 (1) -4.05 (1)
Distance [pc]
Composition He
Proper motion (right ascension) [mas/yr] -3.181931962 (1) -1.378469213 (4) -3.182 (1)
Proper motion (declination) [mas/yr] -3.29502241 (1) -9.423663028 (2) -3.295 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.49 (0.1) 21.49 (0.1) 21.49 (0.1)
g magnitude 20.80 (0.03) 20.82 (0.03) 20.82 (0.03)
r magnitude 20.59 (0.04) 20.61 (0.03) 20.61 (0.03)
i magnitude 20.38 (0.04) 20.42 (0.04) 20.42 (0.04)
z magnitude 20.26 (0.1) 20.24 (0.1) 20.24 (0.1)
G magnitude 20.64 (0.2) 20.68 20.64 (0.01)
BP magnitude 20.85 (0.2) 20.65
RP magnitude 20.30 (0.2) 20.22
Pan g magnitude 20.70 (0.04)
Pan r magnitude 20.58 (0.02)
Pan i magnitude 20.46 (0.02)
Pan z magnitude 20.43 (0.07)
Pan y magnitude
E(B-V)

* 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.