SDSS J234623.69-102357.0

All names: Gaia DR3 2434611351428564352, Gaia EDR3 2434611351428564352, SDSS J234623.69-102357.0, PB 7920, GALEX J234623.6-102356, Gaia DR2 2434611351428564352, SDSS J234623.68-102356.9, WD 2343-106

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 23 46 23.78 (0.2) 23 46 23.69 23 46 23.78 (0.2) 23 46 23.69 23 46 23.78 23 46 23.68 (0.2) 23 46 23.69 23 46 23.57 23 46 23.69
Declination -10 23 57.78 (0.1) -10 23 56.98 -10 23 57.75 (0.2) -10 23 57.01 -10 23 57.78 -10 23 56.97 (0.1) -10 23 56.93 -10 23 49.92 -10 23 57.03
Spectral type DA DA DAH DA: DAP DA_H: DA DAH DAH
Effective temperature [K] 8486.0 8500.0 8833.0 (348) 10086.0 (16) 7447.0 (48)
log(g) [cgs] 8.23 8.00 (0) 8.26 (0.07) 8.79 (0.2) 10.00 (0.006)
Mass [M] 0.739 0.759 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 1.3020
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] 8.53 (0.2) 8.93 (0.3) 8.53 8.53 (0.2)
Distance [pc] 117.20 (3) 111.93 (4) 117.20 117.20 (3)
Composition H H
Proper motion (right ascension) [mas/yr] 92.62711978 (0.2) 92.47363224 (0.6) 92.627 (0.2) 87.1
Proper motion (declination) [mas/yr] -50.7145723 (0.2) -51.06810985 (0.4) -50.715 (0.2) -32.5
Variability
Magnetic yes yes
Bd [MG] 9.17 (2) 9.17 (2)
Infrared excess (disk)
Binarity
B magnitude 19.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.72 (0.02) 18.72 (0.02) 18.77 (0.03) 18.76 18.74 (0.02)
g magnitude 18.37 (0.007) 18.37 (0.007) 18.45 (0.02) 18.44 18.43 (0.02)
r magnitude 18.38 (0.009) 18.38 (0.009) 18.40 (0.01) 18.39 18.38 (0.01)
i magnitude 18.41 (0.01) 18.41 (0.01) 18.44 (0.03) 18.43 18.41 (0.03)
z magnitude 18.52 (0.04) 18.52 (0.04) 18.59 (0.05) 18.59 18.55 (0.05)
G magnitude 18.33 (0.02) 18.35 18.33 18.33 (0.003)
BP magnitude 18.48 (0.02) 18.44
RP magnitude 18.18 (0.03) 18.16
Pan g magnitude 18.40 (0.005)
Pan r magnitude 18.39 (0.005)
Pan i magnitude 18.44 (0.006)
Pan z magnitude 18.55 (0.009)
Pan y magnitude 18.62 (0.01)
E(B-V) 0.005

* 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.