Gaia DR3 4540658361846337536

All names: Gaia DR2 4540658361843135872, GALEX J172301.7+123411, USNO-A2.0 0975-09134041, Gaia DR3 4540658361846337536

Parameter Unit Vincent et al. 2024 Simbad
Right ascension 17 23 01.72 17 23 01.72 (0.1)
Declination 12 34 11.92 12 34 11.85 (0.1)
Spectral type DA DA
Effective temperature [K] 9671.0 (242)
log(g) [cgs] 7.59 (0.07)
Mass [M☉] 0.391 (0.05)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.92 3.92 (0.2)
Distance [pc] 255.28 255.28 (13)
Composition
Proper motion (right ascension) [mas/yr] -3.582 (0.2)
Proper motion (declination) [mas/yr] 4.815 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.40 (0.3)
V magnitude
R magnitude 18.80 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.85 18.85 (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:

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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.