All names: GALEX J220820.0-313030, Gaia DR3 6613201973057427456, 2QZ J220820.1-313032, Gaia DR2 6613201973057427456
Parameter | Unit | Stilism | Simbad |
---|---|---|---|
Right ascension | 22 08 20.13 (0.4) | ||
Declination | -31 30 32.39 (0.5) | ||
Spectral type | DA | ||
Effective temperature | [K] | ||
log(g) | [cgs] | ||
Mass | [M☉] | ||
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 0.44 (0.6) | |
Distance | [pc] | 2297.79 (3084) | |
Composition | |||
Proper motion (right ascension) | [mas/yr] | 9.797 (0.6) | |
Proper motion (declination) | [mas/yr] | -2.902 (0.5) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | 20.03 | ||
V magnitude | |||
R magnitude | |||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | |||
g magnitude | |||
r magnitude | |||
i magnitude | |||
z magnitude | |||
G magnitude | 20.14 (0.006) | ||
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) | 0.013 |
* Constant surface field
Spectra without link are available upon request
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.