Gaia DR3 4550798844054439424

All names: Gaia DR2 4550798844054439424, Gaia DR3 4550798844054439424, GALEX J173924.1+185634

Parameter Unit Vincent et al. 2024 Simbad
Right ascension 17 39 24.11 17 39 24.12 (0.1)
Declination 18 56 34.85 18 56 34.63 (0.1)
Spectral type DA DA
Effective temperature [K] 19464.0 (1390)
log(g) [cgs] 8.10 (0.1)
Mass [M☉] 0.682 (0.08)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.58 2.58 (0.2)
Distance [pc] 387.68 387.67 (30)
Composition
Proper motion (right ascension) [mas/yr] -4.717 (0.2)
Proper motion (declination) [mas/yr] 13.738 (0.2)
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 19.02 19.02 (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

Controls

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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.