Gaia DR2 5146493662498666752

All names: WDJ022031.01-153248.08, GALEX J022031.0-153247, Gaia DR3 5146493662498666752, Gaia DR2 5146493662498666752, Gaia EDR3 5146493662498666752

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 02 20 30.98 (0.1) 02 20 30.98 02 20 30.98 02 20 31.01 (0.1) 02 20 30.98
Declination -15 32 47.75 (0.1) -15 32 47.76 -15 32 47.75 -15 32 48.08 (0.1) -15 32 47.76
Spectral type DC D
Effective temperature [K] 7866.0 7582.0 7093.0 (165)
log(g) [cgs] 8.44 8.35 8.21 (0.04)
Mass [M] 0.876 0.803 0.71 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.6310 2.5380
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.84 (0.1) 12.69 (0.2) 12.84 12.84 (0.1) 12.69 (0.2)
Distance [pc] 77.88 (0.9) 78.80 (1) 77.88 77.88 (0.9) 78.80 (1)
Composition
Proper motion (right ascension) [mas/yr] -25.21024472 (0.2) -25.69471109 (0.4) -25.21 (0.2) -25.69471109
Proper motion (declination) [mas/yr] 20.55816237 (0.1) 20.52234799 (0.3) 20.558 (0.1) 20.52234799
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 18.17 (0.02) 18.21 18.17 18.17 (0.003) 18.21
BP magnitude 18.30 (0.02) 18.28 18.28
RP magnitude 17.91 (0.02) 17.94 17.94
Pan g magnitude 18.28 (0.02)
Pan r magnitude 18.20 (0.004)
Pan i magnitude 18.24 (0.01)
Pan z magnitude 18.33 (0.02)
Pan y magnitude 18.35 (0.03)
E(B-V) 0.001

* 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.