Gaia DR2 2086392484163910656

All names: Gaia DR2 2086392484163910656, WDJ194914.58+473445.90, Gaia EDR3 2086392484165035136, KIC 10420021, Gaia DR3 2086392484165035136, 2MASS J19491458+4734460, J1949+4734, TIC 273048383, LAMOST J194914.58+473445.9, WDJ194914.58+473445.91, EQ J1949.2+4734

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Vincent et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 19 49 14.55 (0.04) 19 49 14.55 19 49 14.55 19 49 14.58 (0.04) 19 49 14.55
Declination 47 34 45.71 (0.04) 47 34 45.72 47 34 45.71 47 34 45.91 (0.04) 47 34 45.72
Spectral type DA DA
Effective temperature [K] 11911.0 (88) 11911.0 12692.0 13192.0 (134)
log(g) [cgs] 7.94 7.96 8.04 (0.009)
Mass [M] 0.57 (0.006) 0.57 0.564 0.629 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.3516 0.3095
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.65 (0.04) 12.61 (0.04) 12.65 12.65 (0.04) 12.61 (0.04)
Distance [pc] 79.08 (0.3) 79.28 (0.3) 79.08 79.08 (0.3) 79.28 (0.3)
Composition
Proper motion (right ascension) [mas/yr] -20.86477032 (0.05) -21.01838049 (0.08) -20.865 (0.05) -21.01838049
Proper motion (declination) [mas/yr] -12.20955604 (0.05) -12.15771739 (0.09) -12.21 (0.05) -12.15771739
Variability NOV
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.21 (0.08)
H magnitude 16.24 (0.2)
K magnitude 16.12
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.11 (0.003) 16.12 16.11 16.11 (0.003) 16.12
BP magnitude 16.10 (0.003) 16.10 16.10
RP magnitude 16.14 (0.004) 16.15 16.15
Pan g magnitude 16.04 (0.003)
Pan r magnitude 16.23 (0.003)
Pan i magnitude 16.45 (0.002)
Pan z magnitude 16.67 (0.004)
Pan y magnitude 16.79 (0.01)
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.