Gaia DR2 6798435429974335104

All names: Gaia DR3 6798435429974335104, Gaia EDR3 6798435429974335104, TIC 212344673, 2MASS J20394611-2829301, NLTT 49635, LP 927-33, WDJ203946.03-282930.43, Gaia DR2 6798435429974335104

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 39 46.12 (0.1) 20 39 46.12 20 39 46.12 20 39 46.03 (0.1) 20 39 46.12
Declination -28 29 32.45 (0.06) -28 29 32.39 -28 29 32.45 -28 29 30.43 (0.06) -28 29 32.39
Spectral type DA DA
Effective temperature [K] 6648.0 6395.0 6808.0 (79)
log(g) [cgs] 8.06 7.94 8.13 (0.02)
Mass [M] 0.629 0.535 0.669 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.9340 1.7990
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.54 (0.1) 14.41 (0.2) 14.54 14.54 (0.1) 14.41 (0.2)
Distance [pc] 68.77 (0.7) 69.40 (0.8) 68.77 68.77 (0.7) 69.40 (0.8)
Composition
Proper motion (right ascension) [mas/yr] 75.66647043 (0.1) 75.46494947 (0.3) 75.666 (0.1) 75.46494947
Proper motion (declination) [mas/yr] -126.3369675 (0.1) -126.376692 (0.2) -126.337 (0.1) -126.376692
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 17.56
R magnitude
I magnitude
J magnitude 16.02 (0.1)
H magnitude 15.50 (0.1)
K magnitude 15.38 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.91 (0.01) 17.93 17.91 17.91 (0.003) 17.93
BP magnitude 18.09 (0.01) 18.06 18.06
RP magnitude 17.47 (0.01) 17.44 17.44
Pan g magnitude 18.14 (0.006)
Pan r magnitude 17.95 (0.009)
Pan i magnitude 17.86 (0.003)
Pan z magnitude 17.89 (0.01)
Pan y magnitude 17.93 (0.02)
E(B-V) 0.003

* 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.