Gaia DR2 4779675903206303232

All names: Gaia DR2 4779675903206303232, WDJ040830.77-542139.96, Gaia EDR3 4779675903206303232, GALEX J040830.7-542139, WDJ040830.77-542139.97, Gaia DR3 4779675903206303232

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 04 08 30.72 (0.04) 04 08 30.72 04 08 30.72 04 08 30.77 (0.04) 04 08 30.72
Declination -54 21 39.79 (0.05) -54 21 39.79 -54 21 39.79 -54 21 39.97 (0.05) -54 21 39.79
Spectral type DB DB
Effective temperature [K] 11748.0 (149)
log(g) [cgs] 8.04 (0.02)
Mass [M☉] 0.61 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 9.98 (0.05) 10.07 (0.06) 9.98 9.98 (0.05) 10.07 (0.06)
Distance [pc] 100.25 (0.5) 99.31 (0.6) 100.25 100.25 (0.5) 99.31 (0.6)
Composition
Proper motion (right ascension) [mas/yr] -29.77420376 (0.05) -29.7904406 (0.1) -29.774 (0.05) -29.7904406
Proper motion (declination) [mas/yr] 11.02979918 (0.06) 11.25223684 (0.1) 11.03 (0.06) 11.25223684
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 16.90 (0.004) 16.93 16.90 16.90 (0.003) 16.93
BP magnitude 16.90 (0.004) 16.89 16.89
RP magnitude 16.90 (0.005) 16.90 16.90
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.001

* 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.