Gaia DR2 1870382945179006720

All names: 2MASS J20462809+3609329, TIC 66811898, WDJ204628.29+360931.42, Gaia DR2 1870382945179006720, Gaia EDR3 1870382945179006720, LSPM J2046+3609, Gaia DR3 1870382945179006720, USNO-B1.0 1261-00440465

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 46 28.09 (0.02) 20 46 28.10 20 46 28.09 20 46 28.29 (0.02) 20 46 28.10
Declination 36 09 29.37 (0.03) 36 09 29.43 36 09 29.37 36 09 31.42 (0.03) 36 09 29.43
Spectral type DA DA
Effective temperature [K] 13782.0 14641.0 14187.0 (115)
log(g) [cgs] 8.02 8.11 8.05 (0.008)
Mass [M] 0.624 0.655 0.639 (0.006)
log(Luminosity) [L]
Cooling age [Gyr] 0.2635 0.2593
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.76 (0.03) 14.76 (0.04) 14.76 14.76 (0.03) 14.76 (0.04)
Distance [pc] 67.73 (0.1) 67.77 (0.2) 67.73 67.73 (0.1) 67.77 (0.2)
Composition
Proper motion (right ascension) [mas/yr] -149.6848517 (0.03) -149.6331132 (0.06) -149.685 (0.03) -149.6331132
Proper motion (declination) [mas/yr] -128.4837665 (0.03) -128.4459658 (0.07) -128.484 (0.03) -128.4459658
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.00
V magnitude
R magnitude 14.50
I magnitude
J magnitude 15.94 (0.08)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.64 (0.002) 15.66 15.64 15.64 (0.003) 15.66
BP magnitude 15.62 (0.002) 15.61 15.61
RP magnitude 15.73 (0.002) 15.74 15.74
Pan g magnitude 15.54 (0.0005)
Pan r magnitude 15.80 (0.003)
Pan i magnitude 16.06 (0.0006)
Pan z magnitude 16.27 (0.004)
Pan y magnitude 16.43 (0.008)
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.