SDSS J140336.35+195455.2

All names: Gaia DR3 1246965487205372672, SDSS J140336.35+195455.20, SDSS J140336.35+195455.2, Gaia DR2 1246965487205372672, J1403+1954, GALEX J140336.3+195455, SDSS J140336.34+195455.2, Gaia EDR3 1246965487205372672

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) Coutu et al. 2019 Gaia DR2 Stilism Koester & Kepler 2015 Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 03 36.30 (0.2) 14 03 36.34 14 03 36.37 14 03 36.30 (0.2) 14 03 36.30 14 03 36.37 (0.2) 14 03 36.35
Declination 19 54 55.40 (0.2) 19 54 55.25 19 54 55.08 19 54 55.39 (0.3) 19 54 55.40 19 54 55.09 (0.2) 19 54 55.23
Spectral type DBZA DB DBAZ DBAZ: DB
Effective temperature [K] 15298.0 13677.0 13117.0 (867) 13578.0 (129) 13255.0 (743) 13458.0 (259)
log(g) [cgs] 8.90 8.21 8.14 8.00 (0) 8.10 (0.1) 8.26 (0.2)
Mass [M] 1.142 0.713 0.6684 0.645 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.3710
log(H/He) -3.979 -4.1706 (0.3) -4.18 (0.3)
log(C/He)
log(Ca/He) -8.8072 (0.4) -8.3 (0.3)
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] 3.53 (0.2) 3.64 3.64 (0.4) 3.53 3.53 (0.2)
Distance [pc] 283.07 (19) 274.59 (27) 274.59 (27) 312.00 283.07 283.07 (19)
Composition He
Proper motion (right ascension) [mas/yr] -61.64050641 (0.3) -62.23287598 (0.6) -61.641 (0.3)
Proper motion (declination) [mas/yr] 19.59227823 (0.2) 20.40293776 (0.6) 19.592 (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 18.89 (0.02) 18.89 (0.02) 18.93 (0.02)
g magnitude 18.88 (0.009) 18.88 (0.009) 18.93 (0.02)
r magnitude 19.22 (0.01) 19.22 (0.01) 19.32 (0.02)
i magnitude 19.33 (0.02) 19.33 (0.02) 19.36 (0.02)
z magnitude 19.59 (0.06) 19.59 (0.06) 19.62 (0.05)
G magnitude 19.01 (0.02) 19.05 19.01 19.01 (0.004)
BP magnitude 19.01 (0.02) 19.01
RP magnitude 19.07 (0.04) 19.04
Pan g magnitude 18.93 (0.004)
Pan r magnitude 19.14 (0.006)
Pan i magnitude 19.34 (0.01)
Pan z magnitude 19.55 (0.01)
Pan y magnitude 19.61 (0.03)
E(B-V) 0.021

* 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.