SDSS J140516.14+423820.8

All names: SDSS J140516.14+423820.7, Gaia DR3 1499183623436256896, SDSS J140516.14+423820.8, Gaia EDR3 1499183623436256896, Gaia DR2 1499183623436256896, SDSS J140516.14+423820.80, GALEX J140515.9+423819

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 14 05 16.11 (0.3) 14 05 16.14 14 05 16.11 (0.3) 14 05 16.15 (0.3)
Declination 42 38 20.67 (0.4) 42 38 20.77 42 38 20.68 (0.4) 42 38 20.69 (0.4)
Spectral type DA: DA: DA DA
Effective temperature [K] 7812.0 7986.0 (118)
log(g) [cgs] 7.86 7.91 (0.2)
Mass [M] 0.516 0.547 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 0.9456
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] 3.61 (0.4) 3.29 (0.5) 3.61 (0.4)
Distance [pc] 276.86 (32) 303.55 (48) 276.86 (32)
Composition H
Proper motion (right ascension) [mas/yr] -25.9789373 (0.3) -25.71924384 (0.6) -25.979 (0.3)
Proper motion (declination) [mas/yr] -1.170278609 (0.5) -0.010446832 (0.8) -1.17 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.72 (0.07) 20.70 (0.07) 20.72 (0.07)
g magnitude 20.38 (0.02) 20.41 (0.03) 20.38 (0.02)
r magnitude 20.31 (0.03) 20.34 (0.03) 20.31 (0.03)
i magnitude 20.32 (0.04) 20.33 (0.04) 20.32 (0.04)
z magnitude 20.26 (0.1) 20.27 (0.1) 20.26 (0.1)
G magnitude 20.24 (0.06) 20.30 20.24 (0.005)
BP magnitude 20.40 (0.06) 20.23
RP magnitude 20.01 (0.06) 19.93
Pan g magnitude 20.38 (0.03)
Pan r magnitude 20.27 (0.02)
Pan i magnitude 20.36 (0.01)
Pan z magnitude 20.41 (0.04)
Pan y magnitude 20.21 (0.09)
E(B-V) 0.020

* 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.