WD 0041+144

All names: SDSS J004358.20+144619.20, SDSS J004358.20+144619.1, Gaia DR2 2780995206810663680, Gaia EDR3 2780995206810663680, WD 0041+144, Gaia DR3 2780995206810663680, GALEX J004358.1+144619, SDSS J004358.19+144619.1, SDSS J004358.20+144619.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 00 43 58.18 (0.5) 00 43 58.19 00 43 58.18 (0.7) 00 43 58.20 (0.5) 00 43 58.20 00 43 57.98 00 43 58.20
Declination 14 46 18.87 (0.2) 14 46 19.19 14 46 18.88 (0.5) 14 46 19.14 (0.2) 14 46 19.18 14 46 18.84 14 46 19.17
Spectral type DB DB DB DB3.0 DB DB+MS
Effective temperature [K] 15386.0 15301.0 10632.0 16645.0 (341) 15975.0 (344)
log(g) [cgs] 7.60 8.39 8.01 7.91 (0.2) 7.87 (0.2)
Mass [M] 0.392 0.833 0.586
log(Luminosity) [L]
Cooling age [Gyr] 0.5359
log(H/He) <-5.932
log(C/He)
log(Ca/He)
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] 1.91 (0.5) 2.67 (0.8) 1.91 (0.5)
Distance [pc] 522.60 (144) 374.56 (114) 522.60 (144)
Composition He
Proper motion (right ascension) [mas/yr] -12.71674239 (0.7) -9.935033967 (2) -12.717 (0.7) -9.4
Proper motion (declination) [mas/yr] -16.85152346 (0.4) -16.06718312 (1) -16.852 (0.4) -23.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.90 (0.03) 19.89 (0.03) 19.97 (0.04) 19.97 19.97 (0.04)
g magnitude 19.89 (0.02) 19.90 (0.02) 19.87 (0.03) 19.89 19.88 (0.03)
r magnitude 20.07 (0.02) 20.07 (0.02) 20.08 (0.03) 20.09 20.09 (0.03)
i magnitude 20.26 (0.03) 20.27 (0.03) 20.26 (0.05) 20.25 20.27 (0.05)
z magnitude 20.27 (0.1) 20.15 (0.2) 20.15 (0.2) 20.16 20.15 (0.1)
G magnitude 19.97 (0.05) 20.03 19.97 (0.005)
BP magnitude 20.01 (0.05) 20.03
RP magnitude 19.99 (0.07) 19.98
Pan g magnitude 19.87 (0.04)
Pan r magnitude 20.12 (0.02)
Pan i magnitude 20.26 (0.02)
Pan z magnitude 20.40 (0.07)
Pan y magnitude 20.28 (0.06)
E(B-V) 0.061

* 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.