FOCAP QSF 2:33

All names: GALEX J034559.6-454523, USNO-B1.0 0442-00029989, Gaia EDR3 4835130321908930688, Gaia DR2 4835130321908930688, FOCAP QSF 2:33, FOCAP QSF2:33, WD 0344-459.1, Gaia DR3 4835130321908930688

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 03 45 59.72 (0.1) 03 45 59.72 (0.2) 03 45 59.72 03 45 59.70 (0.1) 03 45 59.52
Declination -45 45 23.80 (0.2) -45 45 23.79 (0.2) -45 45 23.80 -45 45 23.56 (0.2) -45 45 19.80
Spectral type DA DA DA
Effective temperature [K] 19796.0 (1737)
log(g) [cgs] 7.98 (0.1)
Mass [M] 0.611 (0.08)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.55 (0.2) 2.62 (0.2) 2.55 2.55 (0.2)
Distance [pc] 392.65 (24) 382.23 (29) 392.65 392.65 (24)
Composition
Proper motion (right ascension) [mas/yr] 14.37362055 (0.2) 14.67214597 (0.3) 14.374 (0.2)
Proper motion (declination) [mas/yr] -14.67328027 (0.3) -14.49794134 (0.4) -14.673 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 18.40
V magnitude
R magnitude 20.00
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.80 (0.02) 18.84 18.80 18.80 (0.003)
BP magnitude 18.75 (0.02) 18.72
RP magnitude 18.99 (0.04) 19.04
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.011

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

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.