Gaia DR3 4514784478133097728

All names: Gaia DR2 4514784478133097728, GALEX J190839.4+185839, Gaia DR3 4514784478133097728

Parameter Unit Vincent et al. 2024 Simbad
Right ascension 19 08 39.48 19 08 39.49 (0.2)
Declination 18 58 39.42 18 58 39.81 (0.2)
Spectral type DQ: DQ
Effective temperature [K] 8856.0 (427)
log(g) [cgs] 7.30 (0.1)
Mass [M☉] 0.267 (0.07)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.91 2.91 (0.3)
Distance [pc] 343.18 343.18 (33)
Composition
Proper motion (right ascension) [mas/yr] -8.943 (0.3)
Proper motion (declination) [mas/yr] -24.367 (0.3)
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 19.54 19.54 (0.004)
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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Range:

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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.