SDSS J230223.85+180225.7

All names: Gaia DR2 2830831121095661568, SDSS J230223.85+180225.7, Gaia DR3 2830831121095661568, SDSS J230223.85+180225.75, Gaia EDR3 2830831121095661568, GALEX J230223.8+180226

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 23 02 23.85 (12) 23 02 23.85 23 02 23.85 (10) 23 02 23.85 (12)
Declination 18 02 25.68 (32) 18 02 25.75 18 02 25.67 (19) 18 02 25.68 (32)
Spectral type DA DA
Effective temperature [K] 10032.0 (138)
log(g) [cgs] 7.49 (0.2)
Mass [M☉] 0.306 (0.04)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.27 (0.2) 21.37 (0.2) 21.37 (0.2)
g magnitude 20.80 (0.04) 20.96 (0.04) 20.80 (0.04)
r magnitude 20.77 (0.06) 20.95 (0.06) 20.95 (0.06)
i magnitude 20.54 (0.07) 20.70 (0.06) 20.70 (0.06)
z magnitude 20.37 (0.2) 20.49 (0.2) 20.49 (0.2)
G magnitude 20.90 (0.1) 20.98 20.90 (0.03)
BP magnitude 20.78 (0.1) 21.14
RP magnitude 20.29 (0.2) 20.35
Pan g magnitude 20.97 (0.07)
Pan r magnitude 20.87 (0.03)
Pan i magnitude 20.73 (0.03)
Pan z magnitude 20.58 (0.03)
Pan y magnitude 19.99 (0.06)
E(B-V)

* 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.