WD 0022-114

All names: SDSS J002454.96-110743.3, SDSS J002454.96-110743.2, SDSS_J002531.49-110800.8, WD 0022-114, J0024-1107, Gaia DR3 2424786459119647104, Gaia DR2 2424786459119647104, SDSS J002454.97-110743.2, SDSS J002531.50-110800.9, SDSS J002531.50-110800.8, Gaia EDR3 2424786459119647104, GALEX J002454.9-110742

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 MWDD H Gaia DR2 Stilism Koester et al. 2006 Dufour et al. 2005 Harris et al. 2003 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 00 24 54.98 (0.3) 00 24 54.96 00 24 54.97 00 24 54.98 (0.5) 00 24 54.97 (0.3) 00 25 31.50 00 24 53.40 00 25 31.50 00 24 54.97
Declination -11 07 43.51 (0.3) -11 07 43.29 -11 07 43.23 -11 07 43.50 (0.4) -11 07 43.22 (0.3) -11 08 00.87 -11 07 40.80 -11 08 00.86 -11 07 43.21
Spectral type DQ DA DQ DQ DQ DA DQ DA3.7 DQ DA
Effective temperature [K] 8330.0 (202) 12494.0 8367.0 8540.0 (120) 10163.0 (94) 10202.0 (120) 13636.0 (480)
log(g) [cgs] 7.88 8.06 8.00 (0) 8.00 (0) 8.54 (0.3) 9.53 (0.3) 8.05 (0.1)
Mass [M] 0.5091 0.643
log(Luminosity) [L]
Cooling age [Gyr] 0.8600 0.3651
log(H/He)
log(C/He) -5.0901 (0.06) -4.96 (0.01) -4.53 (0.2)
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] 2.41 (0.4) 9.25 2.86 (0.6) 2.41 (0.4)
Distance [pc] 415.41 (69) 108.05 (2) 349.21 (76) 107.00 415.42 (69)
Composition He H He He
Proper motion (right ascension) [mas/yr] 7.812296061 (0.4) 8.223159264 (1) 7.812 (0.4) 108.5 5.0
Proper motion (declination) [mas/yr] -18.05480958 (0.4) -17.45272185 (0.8) -18.055 (0.4) -71.2 -24.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.78 (0.04) 18.16 19.79 (0.04) 18.16 (0.02) 19.74 18.14 (0.02) 19.74 (0.04)
g magnitude 19.30 (0.01) 18.00 19.30 (0.01) 18.02 (0.02) 19.32 18.01 (0.02) 19.32 (0.03)
r magnitude 19.60 (0.02) 18.01 19.60 (0.02) 18.00 (0.01) 19.55 18.00 (0.01) 19.55 (0.02)
i magnitude 19.74 (0.03) 18.14 19.74 (0.03) 18.13 (0.01) 19.77 18.12 (0.01) 19.77 (0.03)
z magnitude 19.82 (0.1) 18.33 19.82 (0.1) 18.31 (0.04) 20.14 18.31 (0.04) 20.14 (0.2)
G magnitude 19.43 (0.05) 19.46 19.43 (0.005)
BP magnitude 19.45 (0.05) 19.44
RP magnitude 19.46 (0.08) 19.47
Pan g magnitude 17.97 (0.006)
Pan r magnitude 18.00 (0.004)
Pan i magnitude 18.14 (0.002)
Pan z magnitude 18.26 (0.007)
Pan y magnitude 18.32 (0.01)
E(B-V) 0.026

* 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.