All names: SDSS J082005.13+223711.1, SDSS J082005.12+223711.1, Gaia EDR3 676605340809911040, Gaia DR3 676605340809911040, Gaia DR2 676605340809911040, GALEX J082005.1+223711
Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|
Right ascension | 08 20 05.08 (0.3) | 08 20 05.08 | 08 20 05.15 (0.3) | |||
Declination | 22 37 10.63 (0.2) | 22 37 10.63 | 22 37 11.32 (0.2) | |||
Spectral type | DA | DA | DA | |||
Effective temperature | [K] | 6446.0 (273) | ||||
log(g) | [cgs] | 7.95 (0.1) | ||||
Mass | [M☉] | 0.563 (0.08) | ||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | 7.92 (0.3) | 7.92 | 7.92 (0.3) | ||
Distance | [pc] | 126.19 (5) | 126.19 | 126.19 (5) | ||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | -56.951 (0.3) | -56.951 (0.3) | |||
Proper motion (declination) | [mas/yr] | -43.327 (0.2) | -43.327 (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 | 20.16 (0.05) | |||||
g magnitude | 19.52 (0.01) | |||||
r magnitude | 19.20 (0.01) | |||||
i magnitude | 19.12 (0.02) | |||||
z magnitude | 19.08 (0.05) | |||||
G magnitude | 19.23 (0.004) | 19.23 | 19.23 (0.004) | |||
BP magnitude | 19.41 (0.05) | |||||
RP magnitude | 18.80 (0.04) | |||||
Pan g magnitude | ||||||
Pan r magnitude | ||||||
Pan i magnitude | ||||||
Pan z magnitude | ||||||
Pan y magnitude | ||||||
E(B-V) | 0.004 |
* 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.