CSO 412

All names: Gaia EDR3 1481726681619845888, Gaia DR2 1481726681619845888, SDSS J140518.56+332340.6, GALEX J140518.5+332340, Gaia DR3 1481726681619845888, SDSS J140518.54+332340.5, SDSS J140518.57+332340.7, LAMOST J140518.56+332340.6, CSO 412

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 05 18.52 (0.04) 14 05 18.57 14 05 18.52 (0.05) 14 05 18.58 (0.04) 14 05 18.57
Declination 33 23 40.51 (0.05) 33 23 40.65 33 23 40.52 (0.06) 33 23 40.78 (0.05) 33 23 40.66
Spectral type DBA:H:M: DBA DBA:H:M: DB
Effective temperature [K] 13549.0 14450.0 (59) 14789.0 (95)
log(g) [cgs] 7.97 8.00 (0) 8.39 (0.07)
Mass [M] 0.567
log(Luminosity) [L]
Cooling age [Gyr] 0.2573
log(H/He) <-5.75
log(C/He)
log(Ca/He) <-8.41
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] 7.44 (0.07) 7.37 (0.08) 7.44 (0.07)
Distance [pc] 134.35 (1) 135.75 (2) 141.00 134.35 (1)
Composition He
Proper motion (right ascension) [mas/yr] -48.33497627 (0.04) -48.32479257 (0.09) -48.335 (0.04)
Proper motion (declination) [mas/yr] -16.42631116 (0.07) -16.33834313 (0.1) -16.426 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.95 (0.007) 16.95 (0.007) 16.94 (0.01)
g magnitude 16.97 (0.004) 16.97 (0.004) 17.02 (0.02)
r magnitude 17.27 (0.005) 17.27 (0.005) 17.28 (0.02)
i magnitude 17.51 (0.006) 17.51 (0.006) 17.52 (0.01)
z magnitude 17.74 (0.02) 17.74 (0.02) 17.75 (0.03)
G magnitude 17.12 (0.003) 17.14 17.12 (0.003)
BP magnitude 17.08 (0.003) 17.03
RP magnitude 17.18 (0.006) 17.18
Pan g magnitude 17.04 (0.006)
Pan r magnitude 17.26 (0.007)
Pan i magnitude 17.50 (0.004)
Pan z magnitude 17.72 (0.007)
Pan y magnitude 17.85 (0.01)
E(B-V) 0.011

* 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.