WD 2201-191

All names: USNO-B1.0 0711-00840429, FOCAP QSM4:49, Gaia DR3 6823984536855073152, Gaia DR2 6823984536855073152, Gaia EDR3 6823984536855073152, WD 2201-191, GALEX J220357.2-185232

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 22 03 57.29 (0.2) 22 03 57.29 (0.4) 22 03 57.29 22 03 57.28 (0.2) 22 03 57.05
Declination -18 52 31.28 (0.3) -18 52 31.29 (0.6) -18 52 31.28 -18 52 31.63 (0.3) -18 52 32.16
Spectral type DA DA DA
Effective temperature [K] 9412.0 (378)
log(g) [cgs] 7.79 (0.1)
Mass [M☉] 0.483 (0.08)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.49 (0.3) 4.04 (0.4) 4.49 4.49 (0.3)
Distance [pc] 222.78 (14) 247.64 (22) 222.78 222.78 (14)
Composition
Proper motion (right ascension) [mas/yr] 4.791687127 (0.3) 5.020239495 (0.7) 4.792 (0.3)
Proper motion (declination) [mas/yr] 21.58918731 (0.3) 20.84983331 (0.8) 21.589 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.20
V magnitude
R magnitude 19.20
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.85 (0.03) 18.88 18.85 18.85 (0.004)
BP magnitude 18.96 (0.03) 18.95
RP magnitude 18.70 (0.05) 18.81
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.014

* 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.