SDSS J025016.66+341426.8

All names: SDSS J025016.66+341426.8, Gaia DR3 139837366290146432, Gaia DR2 139837366290146432, Gaia EDR3 139837366290146432

Parameter Unit Gaia EDR3 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013
Right ascension 02 50 16.66 (0.8) 02 50 16.66 02 50 16.66 (1) 02 50 16.66 (0.8) 02 50 16.66
Declination 34 14 26.70 (0.7) 34 14 26.81 34 14 26.70 (1) 34 14 26.87 (0.7) 34 14 26.83
Spectral type DA DAH DAH DAH
Effective temperature [K] 21790.8 (845) 20373.0 22115.0 (1029)
log(g) [cgs] 9.13 (0.2) 9.12 9.54 (0.2)
Mass [M] 1.2507509913752246 (0.4) 1.246
log(Luminosity) [L]
Cooling age [Gyr] 0.6133
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] 2.39 (0.9) 2.79 (1) 2.39 (0.9)
Distance [pc] 418.73 (161) 358.69 (156) 418.73 (161)
Composition H
Proper motion (right ascension) [mas/yr] 0.807586842 (1) 1.347306693 (3) 0.808 (1)
Proper motion (declination) [mas/yr] -10.37870561 (1) -5.376586076 (3) -10.379 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.36 (0.06) 20.34 (0.06) 20.34 (0.06)
g magnitude 20.40 (0.02) 20.40 (0.02) 20.40 (0.02)
r magnitude 20.77 (0.04) 20.70 (0.03) 20.70 (0.03)
i magnitude 20.95 (0.07) 20.95 (0.07) 20.95 (0.07)
z magnitude 21.34 (0.3) 21.39 (0.3) 21.39 (0.3)
G magnitude 20.52 (0.07) 20.61 20.52 (0.01)
BP magnitude 20.50 (0.07) 20.63
RP magnitude 20.82 (0.2) 20.42
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.074

* 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.