SDSS J202217.53+130146.0

All names: Gaia EDR3 1804044284757390080, SDSS J202217.53+130146.00, Gaia DR2 1804044284757390080, Gaia DR3 1804044284757390080, SDSS J202217.53+130146.0

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Gaia DR2 Simbad Kleinman et al. 2013
Right ascension 20 22 17.53 (1) 20 22 17.53 20 22 17.53 (1) 20 22 17.53 (1) 20 22 17.53
Declination 13 01 45.80 (1) 13 01 45.98 13 01 45.81 (4) 13 01 45.80 (1) 13 01 46.03
Spectral type DBA DBA
Effective temperature [K] 26632.0 19215.0 (982)
log(g) [cgs] 8.11 8.22 (0.2)
Mass [M] 0.674
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -2.444
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 20.39 (0.05) 20.38 (0.05) 20.38 (0.05)
g magnitude 20.47 (0.02) 20.47 (0.02) 20.47 (0.02)
r magnitude 20.71 (0.03) 20.70 (0.03) 20.70 (0.03)
i magnitude 20.83 (0.06) 20.78 (0.2) 20.78 (0.2)
z magnitude 21.01 (0.2) 20.99 (0.2)
G magnitude 20.58 (0.1) 20.67 20.58 (0.01)
BP magnitude 20.74 (0.1) 20.78
RP magnitude 20.47 (0.1) 20.96
Pan g magnitude 20.51 (0.02)
Pan r magnitude 20.80 (0.02)
Pan i magnitude 21.09 (0.05)
Pan z magnitude 21.03 (0.08)
Pan y magnitude
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.