Gaia DR2 4223980836743666176

All names: Gaia DR2 4223980836743666176, WDJ201750.83-012650.89, Gaia EDR3 4223980836743666176, Gaia DR3 4223980836743666176, WDJ201750.83-012650.88

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 17 50.91 (0.04) 20 17 50.91 20 17 50.91 20 17 50.83 (0.04) 20 17 50.91
Declination -01 26 51.43 (0.03) -01 26 51.41 -01 26 51.43 -01 26 50.89 (0.03) -01 26 51.41
Spectral type DA DA
Effective temperature [K] 15353.0 16883.0 16540.0 (225)
log(g) [cgs] 7.89 8.07 7.96 (0.01)
Mass [M] 0.551 0.632 0.592 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.1521 0.1527
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.52 (0.05) 12.58 (0.07) 12.52 12.52 (0.05) 12.58 (0.07)
Distance [pc] 79.86 (0.3) 79.46 (0.4) 79.86 79.86 (0.3) 79.46 (0.4)
Composition
Proper motion (right ascension) [mas/yr] 72.57324709 (0.05) 72.45070865 (0.1) 72.573 (0.05) 72.45070865
Proper motion (declination) [mas/yr] -33.86874405 (0.03) -33.75132737 (0.07) -33.869 (0.03) -33.75132737
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 15.59 (0.003) 15.61 15.59 15.59 (0.003) 15.61
BP magnitude 15.54 (0.003) 15.52 15.52
RP magnitude 15.72 (0.003) 15.72 15.72
Pan g magnitude 15.47 (0.002)
Pan r magnitude 15.76 (0.002)
Pan i magnitude 16.04 (0.003)
Pan z magnitude 16.29 (0.002)
Pan y magnitude 16.42 (0.01)
E(B-V) 0.006

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

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.