SDSS J202113.17+765703.9

All names: Gaia DR2 2290504993805677696, GALEX J202113.1+765704, SDSS J202113.16+765703.9, Gaia DR3 2290504993805677696, SDSS J202113.17+765703.9, Gaia EDR3 2290504993805677696

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Simbad Kleinman et al. 2013
Right ascension 20 21 13.15 (2) 20 21 13.14 20 21 13.15 (2) 20 21 13.15 (2) 20 21 13.17
Declination 76 57 03.82 (2) 76 57 03.87 76 57 03.83 (2) 76 57 03.82 (2) 76 57 03.91
Spectral type DA DA
Effective temperature [K] 12224.0 (2437)
log(g) [cgs] 7.92 (0.3)
Mass [M☉] 0.564 (0.2)
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 21.17 (0.1) 21.10 (0.1) 21.10 (0.1)
g magnitude 20.87 (0.03) 20.86 (0.03) 20.86 (0.03)
r magnitude 21.00 (0.05) 20.95 (0.04) 20.95 (0.04)
i magnitude 21.08 (0.07) 21.03 (0.06) 21.03 (0.06)
z magnitude 20.93 (0.3) 20.91 (0.2) 20.91 (0.2)
G magnitude 20.89 (0.2) 20.98 20.89 (0.02)
BP magnitude 21.15 (0.2) 20.59
RP magnitude 20.77 (0.2) 20.73
Pan g magnitude 20.82 (0.03)
Pan r magnitude 20.85 (0.06)
Pan i magnitude 21.06 (0.08)
Pan z magnitude 20.67 (0.4)
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.