Gaia DR2 6903515756241694080

All names: Gaia DR3 6903515756241694080, UCAC4 406-134797, TIC 51820346, WDJ204918.04-085633.10, 2MASS J20491803-0856331, Gaia EDR3 6903515756241694080, Gaia DR2 6903515756241694080, DENIS J204918.0-085632, WDJ204918.04-085633.09, WISEA J204918.10-085633.2, WISE J204918.09-085633.0

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 49 18.13 (0.03) 20 49 18.12 20 49 18.13 20 49 18.04 (0.03) 20 49 18.12
Declination -08 56 33.75 (0.02) -08 56 33.73 -08 56 33.75 -08 56 33.10 (0.02) -08 56 33.73
Spectral type DA DA
Effective temperature [K] 9513.0 9385.0 9565.0 (47)
log(g) [cgs] 8.16 8.09 8.17 (0.008)
Mass [M] 0.696 0.631 0.702 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.8649 0.8334
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 21.51 (0.04) 21.54 (0.06) 21.51 21.51 (0.04) 21.54 (0.06)
Distance [pc] 46.49 (0.1) 46.43 (0.1) 46.49 46.49 (0.1) 46.43 (0.1)
Composition
Proper motion (right ascension) [mas/yr] 84.7762254 (0.04) 84.79763145 (0.1) 84.776 (0.04) 84.79763145
Proper motion (declination) [mas/yr] -40.83576531 (0.03) -40.76743957 (0.07) -40.836 (0.03) -40.76743957
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.11 (0.01)
V magnitude 15.94 (0.01)
R magnitude 16.14 (0.2)
I magnitude 15.73 (0.05)
J magnitude 15.86 (0.06)
H magnitude 15.78 (0.2)
K magnitude 15.56 (0.2)
u magnitude
g magnitude 15.90 (0.04)
r magnitude 16.03 (0.01)
i magnitude
z magnitude
G magnitude 15.90 (0.002) 15.92 15.90 15.90 (0.003) 15.92
BP magnitude 15.97 (0.002) 15.96 15.96
RP magnitude 15.78 (0.002) 15.79 15.79
Pan g magnitude 15.93 (0.008)
Pan r magnitude 15.98 (0.005)
Pan i magnitude 16.11 (0.0008)
Pan z magnitude 16.26 (0.003)
Pan y magnitude 16.34 (0.008)
E(B-V) 0.001

* 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.