All names: Gaia EDR3 3078040058446893568, Gaia DR3 3078040058446893568, SDSS J082259.76+011941.4, LAMOST J082259.81+011941.3, GALEX J082259.8+011941, Gaia DR2 3078040058446893568
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 08 22 59.77 (0.1) | 08 22 59.77 | 08 22 59.77 (0.1) | |||
| Declination | 01 19 41.17 (0.09) | 01 19 41.17 | 01 19 41.42 (0.09) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 27903.0 (1255) | 22253.0 (1173) | |||
| log(g) | [cgs] | 7.06 (0.2) | 7.03 (0.1) | |||
| Mass | [M☉] | 0.33 (0.04) | 0.283 (0.03) | |||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 1.64 (0.1) | 1.64 | 1.64 (0.1) | ||
| Distance | [pc] | 609.38 (53) | 609.39 | 609.38 (53) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 4.497 (0.1) | 4.497 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -15.725 (0.1) | -15.725 (0.1) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 18.68 (0.08) | |||||
| H magnitude | 18.60 (0.2) | |||||
| K magnitude | ||||||
| u magnitude | 17.79 (0.02) | |||||
| g magnitude | 17.90 (0.2) | |||||
| r magnitude | 18.30 (0.9) | |||||
| i magnitude | 18.61 (0.08) | |||||
| z magnitude | 18.84 (0.05) | |||||
| G magnitude | 18.04 (0.003) | 18.04 | 18.04 (0.003) | |||
| BP magnitude | 17.94 (0.02) | |||||
| RP magnitude | 18.23 (0.03) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.027 | |||||
* 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.