WD 0128+149

All names: Gaia DR2 2591883020764390144, SDSS J013044.09+151321.7, WD 0128+149, Gaia EDR3 2591883020764390144, SDSS J013044.11+151321.3, SDSS J013044.09+151321.70, SDSS J013044.08+151321.8, GALEX J013044.0+151322, Gaia DR3 2591883020764390144

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 01 30 44.12 (0.3) 01 30 44.09 01 30 44.12 (0.4) 01 30 44.09 (0.3) 01 30 44.09 01 30 43.61 01 30 44.09
Declination 15 13 21.14 (0.2) 15 13 21.80 15 13 21.16 (0.3) 15 13 21.75 (0.2) 15 13 21.77 15 13 21.00 15 13 21.74
Spectral type DB DB DB DB3.6 DB DB
Effective temperature [K] 13135.0 13063.0 11193.0 14924.0 (301) 13480.0 (429)
log(g) [cgs] 7.89 8.09 7.92 8.83 (0.2) 8.28 (0.3)
Mass [M] 0.524 0.638 0.534
log(Luminosity) [L]
Cooling age [Gyr] 0.4118
log(H/He) <-6.125
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] 3.31 (0.3) 3.11 (0.4) 3.31 (0.3)
Distance [pc] 302.08 (29) 321.24 (41) 302.08 (29)
Composition He
Proper motion (right ascension) [mas/yr] 27.45876445 (0.4) 27.37456246 (0.8) 27.459 (0.4) 29.0
Proper motion (declination) [mas/yr] -38.18632925 (0.2) -37.58286525 (0.6) -38.186 (0.2) -42.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.28 (0.03) 19.27 (0.03) 19.26 (0.04) 19.29 19.30 (0.04)
g magnitude 19.25 (0.01) 19.25 (0.01) 19.27 (0.02) 19.28 19.29 (0.02)
r magnitude 19.45 (0.02) 19.45 (0.01) 19.53 (0.03) 19.53 19.53 (0.03)
i magnitude 19.66 (0.03) 19.66 (0.03) 19.65 (0.03) 19.65 19.66 (0.03)
z magnitude 19.78 (0.1) 19.78 (0.1) 19.83 (0.1) 19.83 19.82 (0.1)
G magnitude 19.36 (0.04) 19.42 19.36 (0.004)
BP magnitude 19.33 (0.04) 19.32
RP magnitude 19.34 (0.06) 19.31
Pan g magnitude 19.34 (0.02)
Pan r magnitude 19.49 (0.02)
Pan i magnitude 19.69 (0.01)
Pan z magnitude 19.88 (0.02)
Pan y magnitude 19.66 (0.05)
E(B-V) 0.050

* 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.