WD 1257-014

All names: Gaia DR3 3685587302999975424, 2QZ J125952.1-014530, SDSS J125952.17-014529.2, GALEX J125952.1-014529, Gaia EDR3 3685587302999975424, Gaia DR2 3685587302999975424, SDSS J125952.17-014529.1, WD 1257-014

Parameter Unit Gaia EDR3 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 12 59 52.18 (0.5) 12 59 52.17 12 59 52.18 (0.6) 12 59 52.17 (0.5) 12 59 52.17 12 59 52.25 12 59 52.17 12 59 52.17
Declination -01 45 29.35 (0.3) -01 45 29.15 -01 45 29.35 (0.4) -01 45 29.18 (0.3) -01 45 29.16 -01 45 27.72 -01 45 29.18 -01 45 29.20
Spectral type DA DA DA DA DA1.3 DA DA
Effective temperature [K] 35528.0 (2573) 16879.0 37306.0 (1795) 36815.0 (1856) 37472.0 (1839)
log(g) [cgs] 7.80 (0.4) 8.18 7.45 (0.3) 7.55 (0.3) 7.74 (0.3)
Mass [M] 0.56 (0.2) 0.722 0.491 (0.1)
log(Luminosity) [L] -0.46 (0.3)
Cooling age [Gyr] 0.0052 (0.002) 0.1832
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] 1.78 (0.5) 1.75 (0.6) 1.78 (0.5)
Distance [pc] 562.52 (154) 571.19 (206) 562.52 (154)
Composition H H
Proper motion (right ascension) [mas/yr] 2.955492706 (0.7) 3.280095422 (1) 2.955 (0.7) 10.0 8.0
Proper motion (declination) [mas/yr] -10.48645721 (0.5) -10.99337421 (0.8) -10.486 (0.5) -17.1 -17.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.58 (0.03) 19.58 (0.03) 19.59 (0.03) 19.60 19.58 (0.03) 19.60 (0.03)
g magnitude 19.91 (0.02) 19.91 (0.02) 19.91 (0.03) 19.91 19.89 (0.03) 19.91 (0.03)
r magnitude 20.40 (0.04) 20.40 (0.04) 20.40 (0.04) 20.40 20.39 (0.04) 20.40 (0.04)
i magnitude 20.78 (0.09) 20.78 (0.09) 20.82 (0.1) 20.82 20.80 (0.1) 20.82 (0.1)
z magnitude 20.33 (0.2) 20.33 (0.2) 20.31 (0.2) 20.33 20.28 (0.2) 20.33 (0.2)
G magnitude 20.14 (0.06) 20.21 20.14 (0.006)
BP magnitude 19.98 (0.06) 19.86
RP magnitude 20.30 (0.1) 20.17
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
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.