SDSS J234906.11+010022.1

All names: Gaia EDR3 2643184274811449600, SDSS J234906.12+010022.10, Gaia DR3 2643184274811449600, GALEX J234906.1+010022, Gaia DR2 2643184274811449600, SDSS J234906.11+010022.0, SDSS J234906.12+010022.1, WD 2346+007, SDSS J234906.11+010022.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 23 49 06.10 (0.6) 23 49 06.12 23 49 06.10 (0.9) 23 49 06.12 (0.6) 23 49 06.12 23 49 05.71 23 49 06.12
Declination 01 00 21.84 (0.4) 01 00 22.09 01 00 21.85 (0.5) 01 00 22.14 (0.4) 01 00 22.13 01 00 23.04 01 00 22.10
Spectral type DB: DB DB: DB: DB DB
Effective temperature [K] 14917.0 15394.0 12856.0 15366.0 (548) 15479.0 (618)
log(g) [cgs] 6.66 8.05 7.79 7.55 (0.3) 7.40 (0.3)
Mass [M] 0.176 0.618 0.47 0.303 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.2353
log(H/He) <-5.89
log(C/He)
log(Ca/He)
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] 1.67 (0.6) 1.79 (1) 1.67 (0.6)
Distance [pc] 600.54 (233) 559.74 (310) 600.53 (233)
Composition He
Proper motion (right ascension) [mas/yr] -12.11757516 (1) -9.585549661 (2) -12.118 (1) 2.6
Proper motion (declination) [mas/yr] -18.71438276 (0.5) -18.05184358 (0.9) -18.714 (0.5) -17.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.86 (0.04) 19.86 (0.04) 19.94 (0.05) 19.93 19.92 (0.05)
g magnitude 19.97 (0.02) 19.97 (0.02) 20.00 (0.02) 19.99 19.98 (0.02)
r magnitude 20.25 (0.02) 20.26 (0.02) 20.20 (0.03) 20.19 20.19 (0.03)
i magnitude 20.42 (0.04) 20.43 (0.04) 20.39 (0.06) 20.38 20.38 (0.06)
z magnitude 20.51 (0.2) 20.40 (0.2) 20.44 (0.2) 20.44 20.44 (0.2)
G magnitude 20.07 (0.05) 20.14 20.07 (0.006)
BP magnitude 20.03 (0.05) 19.84
RP magnitude 20.24 (0.1) 19.96
Pan g magnitude 19.97 (0.04)
Pan r magnitude 20.22 (0.02)
Pan i magnitude 20.46 (0.02)
Pan z magnitude 20.58 (0.03)
Pan y magnitude 20.28 (0.2)
E(B-V) 0.037

* 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.