SDSS J102128.71+423446.5

All names: Gaia EDR3 805625054573936000, SDSS J102128.71+423446.5, Gaia DR2 805625054573936000, SDSS J102128.72+423446.5, Gaia DR3 805625054573936000

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 10 21 28.73 (0.2) 10 21 28.73 10 21 28.72 (0.2)
Declination 42 34 46.66 (0.2) 42 34 46.66 42 34 46.47 (0.2)
Spectral type DC DC DC
Effective temperature [K] 6489.0 (339)
log(g) [cgs] 8.02 (0.1)
Mass [M] 0.583 (0.09)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 6.62 (0.3) 6.62 6.62 (0.3)
Distance [pc] 151.16 (8) 151.16 151.16 (8)
Composition
Proper motion (right ascension) [mas/yr] 6.695 (0.3) 6.695 (0.3)
Proper motion (declination) [mas/yr] 11.478 (0.3) 11.478 (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 20.40 (0.06)
g magnitude 19.82 (0.02)
r magnitude 19.63 (0.02)
i magnitude 19.65 (0.03)
z magnitude 19.69 (0.1)
G magnitude 19.64 (0.004) 19.64 19.64 (0.004)
BP magnitude 19.88 (0.05)
RP magnitude 19.35 (0.05)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.009

* 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.