SDSS J141803.55+200053.6

All names: SDSS J141803.54+200053.6, Gaia EDR3 1240036498071301248, LAMOST J141803.55+200053.6, SDSS J141803.55+200053.6, Gaia DR3 1240036498071301248, Gaia DR2 1240036498071301248, SDSS J141803.54+200053.4, SDSS J141803.55+200053.7, SDSS J141803.55+200053.70

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 18 03.53 (0.2) 14 18 03.55 14 18 03.53 (0.2) 14 18 03.56 (0.2) 14 18 03.55
Declination 20 00 53.39 (0.2) 20 00 53.65 20 00 53.40 (0.3) 20 00 53.69 (0.2) 20 00 53.68
Spectral type DB DB DB DB
Effective temperature [K] 17089.0 19958.0 14120.0 16769.0 (160) 17114.0 (215)
log(g) [cgs] 8.11 8.30 7.88 7.88 (0.1) 8.03 (0.1)
Mass [M] 0.661 0.785 0.524 0.605 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.2010
log(H/He) <-5.741 <-4.78
log(C/He)
log(Ca/He) <-6.02
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] 2.41 (0.2) 2.78 (0.4) 2.41 (0.2)
Distance [pc] 414.13 (43) 359.74 (49) 406.00 414.13 (43)
Composition He
Proper motion (right ascension) [mas/yr] -24.37413386 (0.2) -24.19816482 (0.6) -24.374 (0.2)
Proper motion (declination) [mas/yr] -19.14410643 (0.2) -18.46212395 (0.7) -19.144 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.76 (0.02) 18.76 (0.02) 18.76 (0.03)
g magnitude 18.85 (0.008) 18.85 (0.008) 18.85 (0.02)
r magnitude 19.18 (0.01) 19.18 (0.01) 19.18 (0.02)
i magnitude 19.43 (0.02) 19.43 (0.02) 19.44 (0.02)
z magnitude 19.82 (0.09) 19.82 (0.09) 19.79 (0.1)
G magnitude 19.02 (0.02) 19.06 19.02 (0.004)
BP magnitude 18.97 (0.02) 18.93
RP magnitude 19.15 (0.05) 19.14
Pan g magnitude 18.92 (0.006)
Pan r magnitude 19.18 (0.01)
Pan i magnitude 19.44 (0.02)
Pan z magnitude 19.62 (0.01)
Pan y magnitude 19.72 (0.06)
E(B-V) 0.022

* 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.