Gaia DR3 6462935326662402944

All names: TIC 1989122424, EC 21140-5540, Gaia DR3 6462935326662402944, GALEX J211738.3-552801, Gaia DR2 6462935326662402944

Parameter Unit Vincent et al. 2024 Simbad
Right ascension 21 17 38.39 21 17 38.38 (0.05)
Declination -55 28 00.99 -55 28 01.18 (0.04)
Spectral type DO DO
Effective temperature [K] 88856.0 (8919)
log(g) [cgs] 7.47 (0.07)
Mass [M☉] 0.527 (0.04)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.47 1.47 (0.06)
Distance [pc] 679.94 679.95 (29)
Composition
Proper motion (right ascension) [mas/yr] 4.32 (0.05)
Proper motion (declination) [mas/yr] 11.854 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.52
V magnitude 16.81
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.75 16.75 (0.003)
BP magnitude
RP magnitude
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)

* Constant surface field

Special notes:

Spectra

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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.