SDSS J082303.97+823726.2

All names: SDSS J082303.99+823726.1, J0823+8237, Gaia DR3 1145602571097053952, Gaia EDR3 1145602571097053952, SDSS J082303.97+823726.2, WDJ082304.54+823727.28, SDSS J082303.97+823726.1, Gaia DR2 1145602571097053952

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 23 03.14 (0.1) 08 23 03.97 08 23 03.18 (0.2) 08 23 03.14 08 23 04.54 (0.1) 08 23 03.18 08 23 03.97
Declination 82 37 24.57 (0.2) 82 37 26.20 82 37 24.65 (0.2) 82 37 24.57 82 37 27.27 (0.2) 82 37 24.65 82 37 26.23
Spectral type DC DC DC DC DZ DC DC DZ
Effective temperature [K] 4789.0 (36) 4817.0 (36) 4834.0 4503.0 4678.0 (50) 6300.0 (3)
log(g) [cgs] 7.94 (0.03) 7.97 (0.03) 7.99 7.75 7.93 (0.04) 10.00 (0.003)
Mass [M] 0.54 (0.02) 0.564 (0.02) 0.573 0.43 0.529 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 6.4700 6.3120 4.5780
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] 14.93 (0.2) 15.11 (0.2) 15.11 (0.2) 14.93 14.93 (0.2) 15.11 (0.2)
Distance [pc] 66.96 (0.8) 66.18 (1) 66.19 (1) 66.96 66.96 (0.8) 66.19 (1)
Composition H H
Proper motion (right ascension) [mas/yr] -167.9433296 (0.2) -168.0168185 (0.3) -167.943 (0.2) -168.0168185
Proper motion (declination) [mas/yr] -168.9429245 (0.2) -169.3427657 (0.4) -168.943 (0.2) -169.3427657
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 22.11 (0.3) 22.11 (0.03) 22.11 (0.3) 21.67 (0.2) 21.92 (0.3)
g magnitude 19.89 (0.02) 19.89 (0.02) 19.88 (0.02) 19.88 (0.02)
r magnitude 19.09 (0.01) 19.09 (0.01) 19.06 (0.01) 19.07 (0.02)
i magnitude 18.79 (0.01) 18.79 (0.01) 18.80 (0.02) 18.81 (0.02)
z magnitude 18.68 (0.05) 18.68 (0.05) 18.70 (0.04) 18.65 (0.05)
G magnitude 19.13 (0.03) 19.16 19.13 19.13 (0.003) 19.16
BP magnitude 19.68 (0.03) 19.71 19.71
RP magnitude 18.48 (0.02) 18.50 18.50
Pan g magnitude 19.73 (0.01) 19.73 (0.01)
Pan r magnitude 19.12 (0.03) 19.12 (0.02)
Pan i magnitude 18.81 (0.01) 18.81 (0.01)
Pan z magnitude 18.71 (0.01) 18.71 (0.01)
Pan y magnitude 18.49 (0.05) 18.49 (0.05)
E(B-V) 0.003

* 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.