Gaia DR2 1804933033754317568

All names: WDJ202110.36+140433.43, Gaia DR3 1804933033754317568, SDSS J202110.37+140433.1, Gaia EDR3 1804933033754317568, Gaia DR2 1804933033754317568

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 20 21 10.38 (0.2) 20 21 10.38 20 21 10.38 20 21 10.36 (0.2) 20 21 10.38
Declination 14 04 32.28 (0.1) 14 04 32.31 14 04 32.28 14 04 33.44 (0.1) 14 04 32.31
Spectral type DA DA
Effective temperature [K] 5923.0 5680.0 5979.0 (127)
log(g) [cgs] 8.20 8.06 8.23 (0.05)
Mass [M] 0.713 0.606 0.732 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 3.8290 3.8970
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.31 (0.2) 12.23 (0.3) 12.31 12.31 (0.2) 12.23 (0.3)
Distance [pc] 81.22 (2) 81.77 (2) 81.22 81.22 (2) 81.77 (2)
Composition
Proper motion (right ascension) [mas/yr] 16.83441974 (0.4) 16.48666882 (0.7) 16.834 (0.4) 16.48666882
Proper motion (declination) [mas/yr] -72.33807268 (0.3) -72.2904451 (0.5) -72.338 (0.3) -72.2904451
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.26 (0.05) 20.26 (0.05)
g magnitude 19.34 (0.01) 19.34 (0.01)
r magnitude 19.05 (0.01) 19.05 (0.01)
i magnitude 18.86 (0.01) 18.86 (0.01)
z magnitude 18.72 (0.04) 18.72 (0.04)
G magnitude 18.92 (0.03) 18.94 18.92 18.92 (0.004) 18.94
BP magnitude 19.26 (0.03) 19.27 19.27
RP magnitude 18.48 (0.02) 18.45 18.45
Pan g magnitude 19.26 (0.02)
Pan r magnitude 18.93 (0.007)
Pan i magnitude 18.78 (0.007)
Pan z magnitude 18.76 (0.03)
Pan y magnitude 18.76 (0.04)
E(B-V) 0.007

* 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.