Gaia DR2 4224643292498978688

All names: WDJ204011.24-031644.60, Gaia DR2 4224643292498978688, Gaia EDR3 4224643292498978688, Gaia DR3 4224643292498978688

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 40 11.27 (0.03) 20 40 11.27 20 40 11.27 20 40 11.24 (0.03) 20 40 11.27
Declination -03 16 44.82 (0.02) -03 16 44.81 -03 16 44.82 -03 16 44.60 (0.02) -03 16 44.81
Spectral type DA DA
Effective temperature [K] 15316.0 16667.0 15836.0 (138)
log(g) [cgs] 7.96 8.12 8.00 (0.008)
Mass [M] 0.59 0.664 0.612 (0.006)
log(Luminosity) [L]
Cooling age [Gyr] 0.1729 0.1770
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.95 (0.04) 14.92 (0.06) 14.95 14.95 (0.04) 14.92 (0.06)
Distance [pc] 66.90 (0.2) 67.04 (0.3) 66.90 66.90 (0.2) 67.04 (0.3)
Composition
Proper motion (right ascension) [mas/yr] 27.67208011 (0.04) 27.68598027 (0.1) 27.672 (0.04) 27.68598027
Proper motion (declination) [mas/yr] -13.58725439 (0.03) -13.5776567 (0.06) -13.587 (0.03) -13.5776567
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 15.33 (0.002) 15.35 15.33 15.33 (0.003) 15.35
BP magnitude 15.28 (0.002) 15.27 15.27
RP magnitude 15.46 (0.002) 15.46 15.46
Pan g magnitude 15.21 (0.003)
Pan r magnitude 15.50 (0.003)
Pan i magnitude 15.78 (0.002)
Pan z magnitude 16.01 (0.002)
Pan y magnitude 16.18 (0.005)
E(B-V) 0.002

* 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.