Gaia DR2 1818620239831135488

All names: WDJ202937.35+213911.98, Gaia EDR3 1818620239835417216, Gaia DR3 1818620239835417216, Gaia DR2 1818620239831135488

Parameter Unit Gaia EDR3 Stilism Simbad Gentile Fusillo et al. 2018
Right ascension 20 29 37.35 (0.6) 20 29 37.35 (0.6) 20 29 37.35
Declination 21 39 11.65 (0.6) 21 39 11.78 (0.6) 21 39 11.66
Spectral type
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 7.61 (0.9) 7.61 (0.9) 10.59 (0.8)
Distance [pc] 131.44 (15) 131.44 (15) 94.43 (7)
Composition
Proper motion (right ascension) [mas/yr] -4.793904993 (0.8) -4.794 (0.8) 1.483118296
Proper motion (declination) [mas/yr] -7.918722093 (0.9) -7.919 (0.9) -20.80150427
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 19.40 (0.06) 19.40 (0.009) 19.30
BP magnitude 19.51 (0.06) 19.58
RP magnitude 18.50 (0.03) 18.49
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.010

* Constant surface field

Special notes:

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Spectra available:

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Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit




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.