Gaia DR3 2981047434773983360

All names: Gaia DR2 2981047430474690304, Gaia DR3 2981047434773983360, GALEX J045439.9-153727, GALEX J045440.1-153729

Parameter Unit Vincent et al. 2024 Simbad
Right ascension 04 54 40.15 04 54 40.11 (0.2)
Declination -15 37 29.07 -15 37 28.89 (0.2)
Spectral type DA DA
Effective temperature [K] 10927.0 (478)
log(g) [cgs] 7.89 (0.1)
Mass [M☉] 0.54 (0.08)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.30 3.30 (0.2)
Distance [pc] 302.88 302.88 (23)
Composition
Proper motion (right ascension) [mas/yr] 36.738 (0.2)
Proper motion (declination) [mas/yr] -11.119 (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 19.27 19.27 (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:

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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.