Gaia DR2 4590685866031974400

All names: Gaia EDR3 4590685866031974400, WDJ180228.02+300923.60, Gaia DR2 4590685866031974400, WDJ180228.02+300923.59, GALEX J180228.0+300924, Gaia DR3 4590685866031974400

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 18 02 28.03 (0.04) 18 02 28.03 18 02 28.03 18 02 28.02 (0.04) 18 02 28.03
Declination 30 09 21.89 (0.04) 30 09 21.94 30 09 21.89 30 09 23.60 (0.04) 30 09 21.94
Spectral type DC D
Effective temperature [K] 10002.0 9982.0 9712.0 (119)
log(g) [cgs] 8.20 8.13 8.03 (0.02)
Mass [M] 0.723 0.663 0.599 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.8062 0.7659
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.06 (0.05) 12.10 (0.06) 12.06 12.06 (0.05) 12.10 (0.06)
Distance [pc] 82.88 (0.3) 82.62 (0.4) 82.88 82.89 (0.3) 82.62 (0.4)
Composition
Proper motion (right ascension) [mas/yr] 2.382288312 (0.05) 2.260166006 (0.09) 2.382 (0.05) 2.260166006
Proper motion (declination) [mas/yr] -106.9133457 (0.05) -106.9506518 (0.1) -106.913 (0.05) -106.9506518
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 17.03 (0.004) 17.06 17.03 17.03 (0.003) 17.06
BP magnitude 17.07 (0.004) 17.05 17.05
RP magnitude 16.97 (0.007) 16.96 16.96
Pan g magnitude 17.05 (0.004)
Pan r magnitude 17.14 (0.002)
Pan i magnitude 17.29 (0.002)
Pan z magnitude 17.44 (0.005)
Pan y magnitude 17.54 (0.01)
E(B-V) 0.017

* 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.