SDSS J230620.01+211118.5

All names: Gaia EDR3 2832478464391764480, Gaia DR3 2832478464391764480, SDSS J230620.00+211118.4, J2306+2111, SDSS J230620.01+211118.5, SDSS J230620.01+211118.50, Gaia DR2 2832478464391764480

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) Coutu et al. 2019 Gaia DR2 Stilism Koester & Kepler 2015 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 23 06 20.01 (0.3) 23 06 20.01 23 06 20.02 23 06 20.01 (0.3) 23 06 20.01 (0.3) 23 06 20.01
Declination 21 11 18.42 (0.3) 21 11 18.50 21 11 18.60 21 11 18.42 (0.4) 21 11 18.61 (0.3) 21 11 18.51
Spectral type DBZA DBAZ DBAZ DB+MS
Effective temperature [K] 15249.0 10045.0 9580.0 (433) 15052.0 (88) 15140.0 (164)
log(g) [cgs] 8.19 7.80 7.72 8.00 (0) 8.11 (0.1)
Mass [M] 0.703 0.469 0.4277
log(Luminosity) [L]
Cooling age [Gyr] 0.4920
log(H/He) -4.886 -5.0663 (0.8) -5.17 (0.6)
log(C/He)
log(Ca/He) -10.8508 (0.2) -7.19 (0.6)
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] 3.13 (0.4) 3.73 3.73 (0.5) 3.13 (0.4)
Distance [pc] 319.01 (39) 267.83 (39) 267.83 (39) 361.00 319.01 (39)
Composition He
Proper motion (right ascension) [mas/yr] -1.500439452 (0.4) -3.442307875 (0.9) -1.5 (0.4)
Proper motion (declination) [mas/yr] -11.94305166 (0.4) -11.76504302 (0.6) -11.943 (0.4)
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 19.95 (0.04) 19.95 (0.04) 19.94 (0.05)
g magnitude 19.66 (0.01) 19.66 (0.01) 19.69 (0.02)
r magnitude 19.63 (0.02) 19.63 (0.02) 19.62 (0.02)
i magnitude 19.62 (0.02) 19.62 (0.02) 19.68 (0.03)
z magnitude 19.73 (0.08) 19.73 (0.08) 19.95 (0.1)
G magnitude 19.58 (0.04) 19.61 19.58 (0.005)
BP magnitude 19.69 (0.04) 19.62
RP magnitude 19.44 (0.05) 19.34
Pan g magnitude 19.67 (0.03)
Pan r magnitude 19.63 (0.01)
Pan i magnitude 19.67 (0.02)
Pan z magnitude 19.87 (0.02)
Pan y magnitude 19.91 (0.04)
E(B-V) 0.043

* 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.