SDSS J012413.08+072246.9

All names: SDSS J012413.08+072246.90, SDSS J012413.08+072246.9, Gaia DR2 2566355796741528064, Gaia DR3 2566355796741528064, Gaia EDR3 2566355796741528064, GALEX J012413.0+072246, SDSS J012413.08+072246.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 01 24 13.09 (0.4) 01 24 13.08 01 24 13.09 (0.6) 01 24 13.07 (0.4) 01 24 13.08
Declination 07 22 46.77 (0.3) 07 22 46.87 07 22 46.77 (0.7) 07 22 46.90 (0.3) 07 22 46.92
Spectral type DBA DBA DBA DB
Effective temperature [K] 11421.0 12603.0 9902.0 12224.0 (163) 12451.0 (403)
log(g) [cgs] 7.23 7.39 6.97 8.00 (0) 8.28 (0.3)
Mass [M] 0.259 0.308 0.197
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -5.204 -5.31 (0.4)
log(C/He)
log(Ca/He) <-9.46
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 2.42 (0.5) 1.68 (1) 2.42 (0.5)
Distance [pc] 412.87 (83) 595.94 (354) 388.00 412.88 (83)
Composition He
Proper motion (right ascension) [mas/yr] 12.33132937 (0.5) 11.72946122 (1) 12.331 (0.5)
Proper motion (declination) [mas/yr] -8.248930169 (0.4) -10.21206578 (2) -8.249 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.81 (0.04) 19.80 (0.04) 19.82 (0.04)
g magnitude 19.76 (0.01) 19.75 (0.01) 19.77 (0.02)
r magnitude 19.91 (0.02) 19.91 (0.02) 19.94 (0.03)
i magnitude 20.09 (0.03) 20.09 (0.03) 20.18 (0.04)
z magnitude 20.32 (0.1) 20.33 (0.1) 20.27 (0.1)
G magnitude 19.79 (0.05) 19.83 19.79 (0.004)
BP magnitude 19.86 (0.05) 19.72
RP magnitude 19.62 (0.06) 19.60
Pan g magnitude 19.78 (0.03)
Pan r magnitude 19.88 (0.01)
Pan i magnitude 20.00 (0.01)
Pan z magnitude 20.15 (0.2)
Pan y magnitude 20.07 (0.2)
E(B-V) 0.035

* 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.