SDSS J142035.37+112042.0

All names: SDSS J142035.36+112042.2, SDSS J142035.37+112042.00, SDSS J142035.37+112042.0, Gaia DR2 1225576305257863552, Gaia EDR3 1225576305257863552, Gaia DR3 1225576305257863552, GALEX J142035.4+112044

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 14 20 35.37 (0.3) 14 20 35.36 14 20 35.37 (0.4) 14 20 35.36 (0.3)
Declination 11 20 42.03 (0.3) 11 20 42.29 11 20 42.05 (0.3) 11 20 42.37 (0.3)
Spectral type DA DAH: DAH: DAH DA
Effective temperature [K] 17701.2 (301) 15903.0 18387.0 (315)
log(g) [cgs] 8.23 (0.2) 8.17 7.94 (0.06)
Mass [M] 0.7598721294259638 (0.2) 0.718
log(Luminosity) [L]
Cooling age [Gyr] 0.2181
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] 2.26 (0.3) 2.58 (0.4) 2.26 (0.3)
Distance [pc] 442.98 (66) 388.22 (66) 442.99 (66)
Composition H
Proper motion (right ascension) [mas/yr] 7.074933128 (0.4) 6.07366009 (0.7) 7.075 (0.4)
Proper motion (declination) [mas/yr] -21.21165597 (0.4) -20.28117322 (0.7) -21.212 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.41 (0.02) 19.41 (0.03) 19.41 (0.03)
g magnitude 19.23 (0.01) 19.24 (0.02) 19.23 (0.01)
r magnitude 19.57 (0.02) 19.57 (0.02) 19.57 (0.01)
i magnitude 19.81 (0.03) 19.81 (0.03) 19.81 (0.03)
z magnitude 20.03 (0.09) 20.03 (0.09) 20.03 (0.09)
G magnitude 19.42 (0.04) 19.45 19.42 (0.005)
BP magnitude 19.40 (0.04) 19.31
RP magnitude 19.53 (0.06) 19.47
Pan g magnitude 19.27 (0.01)
Pan r magnitude 19.56 (0.006)
Pan i magnitude 19.87 (0.02)
Pan z magnitude 20.07 (0.03)
Pan y magnitude 19.97 (0.2)
E(B-V) 0.023

* 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.