WD 1251+019

All names: Gaia EDR3 3690553556505229312, J1253+0139, WD 1251+019, SDSS J125359.61+013925.6, 2QZ J125359.5+013925, SDSS J125359.61+013925.5, Gaia DR2 3690553556505229312, GALEX J125359.6+013925, Gaia DR3 3690553556505229312

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Koester et al. 2006 Dufour et al. 2005 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 53 59.61 (0.2) 12 53 59.61 12 53 59.61 12 53 59.61 (0.3) 12 53 59.61 12 53 59.61 (0.2) 12 53 59.61 12 53 59.28 12 53 59.61
Declination 01 39 24.82 (0.1) 01 39 25.56 01 39 25.62 01 39 24.84 (0.2) 01 39 24.82 01 39 25.62 (0.1) 01 39 25.55 01 39 20.16 01 39 25.59
Spectral type DQ DQ DQ DC DQ DQ DQ DQ DC
Effective temperature [K] 8655.0 (254) 8282.0 8350.0 (220) 9386.0 (424) 10188.0 (115) 10200.0 (122)
log(g) [cgs] 7.94 8.00 (0) 8.00 (0) 8.18 (0.09) 7.88 (0.6) 9.30 (0.5)
Mass [M] 0.545 0.69 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 0.8440
log(H/He)
log(C/He) -4.7381 (0.1) -4.98 (0.02) -4.88 (0.3)
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] 5.72 (0.2) 5.62 5.62 (0.3) 5.72 5.72 (0.2)
Distance [pc] 174.72 (8) 177.80 (11) 177.80 (11) 170.00 174.72 174.72 (8)
Composition He He He
Proper motion (right ascension) [mas/yr] -2.408803569 (0.3) -2.559942701 (0.8) -2.409 (0.3) -5.2
Proper motion (declination) [mas/yr] -50.37643528 (0.3) -50.55722584 (0.4) -50.376 (0.3) -58.6
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.22 (0.03) 19.21 (0.03) 19.25 (0.04) 19.23 19.24 (0.04)
g magnitude 19.04 (0.01) 19.04 (0.01) 19.08 (0.04) 19.11 19.08 (0.04)
r magnitude 19.06 (0.01) 19.06 (0.01) 19.08 (0.02) 19.08 19.08 (0.02)
i magnitude 19.20 (0.02) 19.20 (0.02) 19.19 (0.02) 19.19 19.20 (0.02)
z magnitude 19.37 (0.08) 19.37 (0.08) 19.36 (0.08) 19.36 19.37 (0.08)
G magnitude 19.02 (0.02) 19.06 19.02 19.02 (0.003)
BP magnitude 19.08 (0.02) 19.13
RP magnitude 18.90 (0.03) 18.85
Pan g magnitude 19.05 (0.004)
Pan r magnitude 19.10 (0.009)
Pan i magnitude 19.20 (0.009)
Pan z magnitude 19.34 (0.01)
Pan y magnitude 19.37 (0.02)
E(B-V) 0.014

* 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.