WD 1255-019

All names: SDSS J125759.04-021313.40, SDSS J125759.04-021313.4, GALEX J125759.0-021313, Gaia EDR3 3685452544106166784, WD 1255-019, 2QZ J125759.0-021314, SDSS J125759.03-021313.3, Gaia DR3 3685452544106166784, SDSS J125758.99-021313.6, Gaia DR2 3685452544106166784

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Nitta et al. 2009 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 57 58.96 (0.3) 12 57 59.04 12 57 58.97 (0.4) 12 57 59.04 (0.3) 12 57 59.04 12 57 58.37 12 57 59.04
Declination -02 13 13.67 (0.2) -02 13 13.34 -02 13 13.66 (0.3) -02 13 13.37 (0.2) -02 13 13.36 -02 13 11.64 -02 13 13.40
Spectral type DB DB DB DB2.0 DB DB+MS
Effective temperature [K] 21785.0 26740.0 16910.0 25820.0 (1296) 26114.0 (1191) 25416.0 (1102)
log(g) [cgs] 7.89 7.88 7.50 7.57 (0.2) 7.53 (0.1) 7.62 (0.1)
Mass [M] 0.541 0.546 0.358 0.436 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.0698
log(H/He) -3.678
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] 1.70 (0.4) 1.48 (0.4) 1.70 (0.4)
Distance [pc] 589.52 (128) 676.62 (206) 589.52 (128)
Composition He
Proper motion (right ascension) [mas/yr] -65.9000101 (0.5) -64.13063527 (0.9) -65.9 (0.5) -68.8
Proper motion (declination) [mas/yr] -18.48041811 (0.4) -18.64722224 (0.6) -18.48 (0.4) -25.4
Variability VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.06 (0.02) 19.06 (0.02) 19.05 (0.03) 19.07 19.05 (0.03)
g magnitude 19.16 (0.01) 19.16 19.16 (0.01) 19.16 (0.03) 19.16 19.16 (0.03)
r magnitude 19.61 (0.02) 19.61 (0.02) 19.61 (0.03) 19.61 19.61 (0.03)
i magnitude 19.89 (0.03) 19.89 (0.03) 19.87 (0.04) 19.87 19.87 (0.03)
z magnitude 20.07 (0.2) 20.07 (0.2) 20.03 (0.2) 20.02 20.03 (0.2)
G magnitude 19.38 (0.05) 19.43 19.38 (0.005)
BP magnitude 19.36 (0.05) 19.29
RP magnitude 19.56 (0.09) 19.44
Pan g magnitude 19.28 (0.008)
Pan r magnitude 19.60 (0.01)
Pan i magnitude 19.87 (0.02)
Pan z magnitude 20.11 (0.05)
Pan y magnitude 20.23 (0.07)
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.