All names: Gaia DR3 1879847399514610944, Gaia DR2 1879847399514610944, GALEX J222159.6+254052
Parameter | Unit | Vincent et al. 2024 | Simbad |
---|---|---|---|
Right ascension | 22 21 59.72 | 22 21 59.67 (0.1) | |
Declination | 25 40 52.15 | 25 40 52.00 (0.1) | |
Spectral type | DA | DA | |
Effective temperature | [K] | 11536.0 (374) | |
log(g) | [cgs] | 8.13 (0.04) | |
Mass | [M☉] | 0.686 (0.04) | |
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 5.82 | 5.82 (0.1) |
Distance | [pc] | 171.90 | 171.90 (4) |
Composition | |||
Proper motion (right ascension) | [mas/yr] | 38.924 (0.1) | |
Proper motion (declination) | [mas/yr] | 9.388 (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 | 18.15 | 18.15 (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
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.