SDSS J225932.74+140444.2

All names: ** SLN 46A, Gaia DR3 2815944352131513472, USNO-B1.0 1040-00634354, SDSS J225932.74+140444.2, J225932.73+140444.2, Gaia DR2 2815944352131513472, WDS J22595+1405A

Parameter Unit Barrientos et al. 2024 Stilism Vincent et al. 2024 Simbad
Right ascension 22 59 32.77 22 59 32.74 (0.2)
Declination 14 04 44.02 14 04 44.24 (0.2)
Spectral type DAH DA DAH
Effective temperature [K] 10768.0 (159) 10709.0 (543)
log(g) [cgs] 8.49 (0.02) 8.42 (0.07)
Mass [M] 0.91 (0.02) 0.869 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 1.1000
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 6.26 6.26 (0.2)
Distance [pc] 159.78 159.78 (5)
Composition
Proper motion (right ascension) [mas/yr] 26.67 (0.2)
Proper motion (declination) [mas/yr] -14.296 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.80
V magnitude
R magnitude 18.70
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.02 (0.02)
g magnitude 18.59 (0.008)
r magnitude 18.72 (0.01)
i magnitude 18.87 (0.01)
z magnitude 19.12 (0.05)
G magnitude 18.63 18.65 (0.003)
BP magnitude
RP magnitude
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.019

* 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.