SDSS J142307.85+362454.2

All names: SDSS J142307.87+362454.00, Gaia DR2 1481027662804935552, Gaia DR3 1481027662804935552, GALEX J142307.8+362453, LAMOST J142307.86+362454.0, SDSS J142307.85+362454.2, Gaia EDR3 1481027662804935552, SDSS J142307.87+362454.0

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 14 23 07.89 (0.06) 14 23 07.85 14 23 07.89 (0.07) 14 23 07.89 14 23 07.85 (0.06)
Declination 36 24 53.84 (0.08) 36 24 54.26 36 24 53.86 (0.09) 36 24 53.84 36 24 54.40 (0.08)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 13428.0 13197.0 12725.0 13499.0 (47) 13643.0 (45) 13399.0 (373)
log(g) [cgs] 8.01 8.01 7.97 8.00 (0) 8.00 (0) 8.02 (0.04)
Mass [M] 0.592 0.594 0.569 0.6 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.3115
log(H/He) -5.336 -5.26 (0.2)
log(C/He)
log(Ca/He) <-9.19
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] 4.97 (0.1) 5.05 (0.1) 4.97 4.97 (0.1)
Distance [pc] 201.15 (5) 198.02 (5) 203.00 201.15 201.15 (5)
Composition He
Proper motion (right ascension) [mas/yr] 33.17915753 (0.06) 33.27359203 (0.1) 33.179 (0.07)
Proper motion (declination) [mas/yr] -35.01197383 (0.1) -35.06925501 (0.2) -35.012 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.94 (0.01) 17.94 (0.02) 17.94 (0.01)
g magnitude 18.01 (0.006) 18.01 (0.01) 18.01 (0.006)
r magnitude 18.23 (0.007) 18.22 (0.02) 18.23 (0.007)
i magnitude 18.39 (0.01) 18.38 (0.03) 18.39 (0.01)
z magnitude 18.65 (0.03) 18.67 (0.03) 18.65 (0.03)
G magnitude 18.09 (0.009) 18.12 18.09 18.09 (0.003)
BP magnitude 18.07 (0.009) 18.01
RP magnitude 18.14 (0.02) 18.12
Pan g magnitude 18.03 (0.007)
Pan r magnitude 18.23 (0.005)
Pan i magnitude 18.44 (0.008)
Pan z magnitude 18.65 (0.009)
Pan y magnitude 18.80 (0.04)
E(B-V) 0.017

* 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.