Gaia DR2 1816219280090651136

All names: Gaia DR2 1816219280090651136, WDJ202320.29+185735.93, Gaia DR3 1816219280090651136, Gaia EDR3 1816219280090651136

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 23 20.35 (0.05) 20 23 20.34 20 23 20.35 20 23 20.29 (0.05) 20 23 20.34
Declination 18 57 35.96 (0.05) 18 57 35.96 18 57 35.96 18 57 35.94 (0.05) 18 57 35.96
Spectral type DA DA
Effective temperature [K] 8735.0 8536.0 8566.0 (79)
log(g) [cgs] 7.97 7.88 7.91 (0.02)
Mass [M] 0.577 0.509 0.545 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.8159 0.8064
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.75 (0.07) 12.75 (0.09) 12.75 12.75 (0.07) 12.75 (0.09)
Distance [pc] 78.41 (0.4) 78.43 (0.5) 78.41 78.41 (0.4) 78.43 (0.5)
Composition
Proper motion (right ascension) [mas/yr] 44.93829279 (0.06) 45.30109323 (0.1) 44.938 (0.06) 45.30109323
Proper motion (declination) [mas/yr] 1.595539264 (0.07) 1.737003749 (0.1) 1.596 (0.07) 1.737003749
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.03 (0.005) 17.06 17.03 17.03 (0.003) 17.06
BP magnitude 17.14 (0.005) 17.14 17.14
RP magnitude 16.85 (0.005) 16.87 16.87
Pan g magnitude 17.12 (0.005)
Pan r magnitude 17.12 (0.004)
Pan i magnitude 17.21 (0.003)
Pan z magnitude 17.32 (0.008)
Pan y magnitude 17.40 (0.009)
E(B-V) 0.006

* 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.