WD J2252-0056

All names: SDSS J225242.26-005626.6, Gaia EDR3 2650235305441371904, Gaia DR3 2650235305441371904, WD 2250-012, SDSS J225242.25-005626.6, Gaia DR2 2650235305441371904, J2252-0056

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Gianninas et al. 2014 Tremblay et al. 2011 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 22 52 42.25 (0.2) 22 52 42.25 22 52 42.25 (0.3) 22 52 42.26 22 52 42.14 22 52 42.26
Declination -00 56 26.80 (0.2) -00 56 26.68 -00 56 26.80 (0.2) -00 56 26.69 -00 56 20.40 -00 56 26.64
Spectral type DA DA DA DA DA DA DA
Effective temperature [K] 11403.0 21690.0 (310) 23180.0 (830) 20479.0 (433) 20775.0 (480)
log(g) [cgs] 6.48 7.15 (0.04) 7.01 (0.1) 6.85 (0.08) 6.84 (0.09)
Mass [M] 0.14 0.352 0.29 (0.04) 0.272 (0.002)
log(Luminosity) [L]
Cooling age [Gyr] 0.0130 (0.03) 0.0832
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] 1.39 (0.2) 1.52 (0.4)
Distance [pc] 718.95 (102) 657.17 (162) 853.00 (78)
Composition H H H
Proper motion (right ascension) [mas/yr] -7.969011057 (0.2) -7.697117859 (0.5) -10.4
Proper motion (declination) [mas/yr] -4.990683285 (0.2) -5.051479617 (0.4) -0.6
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.81 (0.02) 18.84 (0.02) 18.84 18.84 (0.02)
g magnitude 18.56 (0.008) 18.59 (0.03) 18.59 18.60 (0.03)
r magnitude 18.82 (0.01) 18.84 (0.01) 18.83 (0.02)
i magnitude 19.06 (0.01) 19.09 (0.02) 19.08 (0.02)
z magnitude 19.27 (0.06) 19.31 (0.06) 19.29 (0.06)
G magnitude 18.72 (0.02) 18.74
BP magnitude 18.69 (0.02) 18.65
RP magnitude 18.83 (0.05) 18.75
Pan g magnitude 18.62 (0.004)
Pan r magnitude 18.86 (0.006)
Pan i magnitude 19.08 (0.005)
Pan z magnitude 19.31 (0.01)
Pan y magnitude 19.39 (0.04)
E(B-V) 0.052

* 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.