SDSS J112340.06+674222.3

All names: SDSS J112340.05+674222.2, Gaia DR3 1060732402420998528, Gaia DR2 1060732402420998528, SDSS J112340.06+674222.3, Gaia EDR3 1060732402420998528, SDSS J112340.06+674222.30, GALEX J112340.0+674222

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 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 23 40.07 (0.3) 11 23 40.06 11 23 40.07 (0.4) 11 23 40.06 (0.3) 11 23 40.06
Declination 67 42 22.29 (0.3) 67 42 22.29 67 42 22.29 (0.3) 67 42 22.27 (0.3) 67 42 22.33
Spectral type DB DB DB DB
Effective temperature [K] 17955.0 15817.0 15456.0 18065.0 (350)
log(g) [cgs] 8.07 7.78 7.74 8.03 (0.1)
Mass [M] 0.633 0.472 0.454 0.607 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.1209
log(H/He) -5.532
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] 1.58 (0.3) 1.59 (0.5) 1.58 (0.3)
Distance [pc] 633.76 (128) 627.56 (184) 633.75 (128)
Composition He
Proper motion (right ascension) [mas/yr] 2.59736996 (0.3) 2.838829073 (0.7) 2.597 (0.3)
Proper motion (declination) [mas/yr] 1.316363854 (0.3) 1.426237827 (0.6) 1.316 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.63 (0.03) 19.63 (0.03) 19.63 (0.03)
g magnitude 19.68 (0.01) 19.68 (0.01) 19.69 (0.03)
r magnitude 19.98 (0.02) 19.98 (0.02) 19.98 (0.03)
i magnitude 20.25 (0.04) 20.25 (0.04) 20.26 (0.04)
z magnitude 20.78 (0.2) 20.78 (0.2) 20.75 (0.2)
G magnitude 19.81 (0.05) 19.87 19.81 (0.005)
BP magnitude 19.72 (0.05) 19.76
RP magnitude 19.92 (0.07) 20.05
Pan g magnitude 19.70 (0.02)
Pan r magnitude 19.97 (0.02)
Pan i magnitude 20.26 (0.02)
Pan z magnitude 20.45 (0.04)
Pan y magnitude 20.28 (0.2)
E(B-V) 0.023

* 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.