SDSS J092313.65+112910.0

All names: SDSS J092313.66+112910.10, GALEX J092313.6+112910, Gaia DR2 592705834740753152, Gaia EDR3 592705834740753152, Gaia DR3 592705834740753152, SDSS J092313.66+112910.1, WD 0920+117, SDSS J092313.66+112910.0, SDSS J092313.65+112910.0

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 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 09 23 13.63 (0.1) 09 23 13.66 09 23 13.63 (0.1) 09 23 13.63 09 23 13.66 (0.1) 09 23 13.66 09 23 13.46 09 23 13.66
Declination 11 29 10.09 (0.08) 11 29 10.06 11 29 10.09 (0.1) 11 29 10.09 11 29 10.07 (0.08) 11 29 10.07 11 29 07.08 11 29 10.07
Spectral type DBA: DB DB DB_A: DB DBH: DB+MS
Effective temperature [K] 17298.0 17563.0 15601.0 17348.0 (94) 17469.0 (1345) 17740.0 (106) 17500.0 (128)
log(g) [cgs] 8.40 8.35 8.21 8.39 (0.05) 8.24 (0.09) 8.39 (0.04) 8.41 (0.06)
Mass [M] 0.843 0.81 0.72 0.738 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 0.2568
log(H/He) -5.281 -4.88 (0.3)
log(C/He)
log(Ca/He) <-6.02
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] 4.73 (0.1) 5.20 (0.2) 4.73 4.73 (0.1)
Distance [pc] 211.60 (6) 192.48 (7) 180.00 211.60 211.60 (6)
Composition He
Proper motion (right ascension) [mas/yr] -31.21662507 (0.1) -30.99768809 (0.3) -31.217 (0.1) -29.4
Proper motion (declination) [mas/yr] 1.266121437 (0.09) 0.87659018 (0.2) 1.266 (0.09) -3.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.63 (0.01) 17.63 (0.01) 17.58 (0.03) 17.57 17.60 (0.03)
g magnitude 17.74 (0.006) 17.74 (0.006) 17.74 (0.02) 17.73 17.77 (0.02)
r magnitude 18.06 (0.007) 18.06 (0.007) 18.05 (0.02) 18.05 18.07 (0.02)
i magnitude 18.31 (0.009) 18.31 (0.009) 18.30 (0.02) 18.29 18.31 (0.02)
z magnitude 18.55 (0.03) 18.55 (0.03) 18.56 (0.03) 18.55 18.56 (0.03)
G magnitude 17.89 (0.009) 17.93 17.89 17.89 (0.003)
BP magnitude 17.87 (0.009) 17.79
RP magnitude 18.06 (0.02) 18.00
Pan g magnitude 17.80 (0.005)
Pan r magnitude 18.09 (0.005)
Pan i magnitude 18.36 (0.006)
Pan z magnitude 18.58 (0.02)
Pan y magnitude 18.70 (0.03)
E(B-V) 0.015

* 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.