WD 0250-086

All names: SDSS J025251.23-082932.3, WD 0250-086, Gaia EDR3 5174255918785993216, Gaia DR3 5174255918785993216, GALEX J025251.1-082932, Gaia DR2 5174255918785993216, SDSS J025251.24-082932.2, SDSS J025251.23-082932.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 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 02 52 51.25 (0.6) 02 52 51.24 02 52 51.25 (0.8) 02 52 51.23 (0.6) 02 52 51.24 02 52 50.88 02 52 51.24 02 52 51.24
Declination -08 29 32.57 (0.6) -08 29 32.43 -08 29 32.56 (0.7) -08 29 32.36 (0.6) -08 29 32.32 -08 29 27.96 -08 29 32.24 -08 29 32.24
Spectral type DA DA DA DA3.9 DA DA
Effective temperature [K] 9930.0 14023.0 (749) 14566.0 (825) 12976.0 (996)
log(g) [cgs] 7.10 7.20 (0.2) 7.26 (0.2) 7.14 (0.2)
Mass [M] 0.239 0.347 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.2588
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] 1.16 (0.7) 1.23 (0.8) 1.16 (0.7)
Distance [pc] 865.12 (508) 809.82 (540) 865.13 (508)
Composition H
Proper motion (right ascension) [mas/yr] 17.39108694 (0.8) 18.1868102 (2) 17.391 (0.8) 18.0
Proper motion (declination) [mas/yr] -13.07853099 (0.8) -9.752960744 (2) -13.079 (0.8) -34.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.43 (0.06) 20.43 (0.06) 20.68 (0.1) 20.77 20.69 (0.1) 20.77 (0.1)
g magnitude 20.26 (0.02) 20.25 (0.02) 20.28 (0.03) 20.35 20.28 (0.03) 20.35 (0.04)
r magnitude 20.52 (0.04) 20.52 (0.04) 20.66 (0.05) 20.61 20.66 (0.05) 20.61 (0.04)
i magnitude 20.61 (0.06) 20.61 (0.06) 20.94 (0.1) 20.62 20.93 (0.1) 20.62 (0.07)
z magnitude 21.04 (0.3) 21.88 (0.8) 21.96 (0.8) 20.99 21.93 (0.8) 20.99 (0.3)
G magnitude 20.41 (0.1) 20.49 20.41 (0.009)
BP magnitude 20.58 (0.1) 20.31
RP magnitude 20.20 (0.1) 20.33
Pan g magnitude 20.36 (0.03)
Pan r magnitude 20.60 (0.03)
Pan i magnitude 20.75 (0.02)
Pan z magnitude 20.68 (0.04)
Pan y magnitude 20.96 (0.2)
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.