SDSS J125651.85+412214.8

All names: SDSS J125651.84+412214.7, GALEX J125651.8+412214, SDSS J125651.85+412214.8, Gaia EDR3 1527258862577603328, Gaia DR2 1527258862577603328, SDSS J125651.85+412214.81, Gaia DR3 1527258862577603328

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 12 56 51.83 (0.2) 12 56 51.85 12 56 51.83 (0.3) 12 56 51.86 (0.2)
Declination 41 22 15.05 (0.2) 41 22 14.80 41 22 15.04 (0.2) 41 22 14.74 (0.2)
Spectral type DA DA DA DA
Effective temperature [K] 7553.0 7472.0 (88)
log(g) [cgs] 7.90 7.48 (0.1)
Mass [M] 0.535 0.369 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 1.0840
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] 4.35 (0.3) 4.40 (0.4) 4.35 (0.3)
Distance [pc] 229.68 (18) 227.16 (20) 229.68 (18)
Composition H
Proper motion (right ascension) [mas/yr] -21.65624129 (0.3) -20.98794666 (0.6) -21.656 (0.3)
Proper motion (declination) [mas/yr] 19.35944655 (0.3) 19.69036888 (0.5) 19.359 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.42 (0.06) 20.40 (0.06) 20.42 (0.06)
g magnitude 19.88 (0.02) 19.88 (0.03) 19.88 (0.02)
r magnitude 19.86 (0.02) 19.85 (0.03) 19.86 (0.02)
i magnitude 19.85 (0.03) 19.84 (0.03) 19.85 (0.03)
z magnitude 19.83 (0.09) 19.83 (0.09) 19.83 (0.09)
G magnitude 19.80 (0.05) 19.86 19.80 (0.004)
BP magnitude 19.97 (0.05) 19.87
RP magnitude 19.55 (0.07) 19.46
Pan g magnitude 19.92 (0.01)
Pan r magnitude 19.86 (0.02)
Pan i magnitude 19.84 (0.01)
Pan z magnitude 19.93 (0.04)
Pan y magnitude 19.84 (0.07)
E(B-V) 0.016

* 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.