All names: GALEX J020656.1+143900, GALEX J020656.0+143857, LAMOST J020656.17+143858.4, Gaia EDR3 77515058657678592, Gaia DR2 77515058657678592, GALEXJ02069+1438, 2MASS J02065617+1438585, Gaia DR3 77515058657678592, CHSS 3497, TIC 97328303
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 06 56.18 (0.04) | 02 06 56.08 | 02 06 56.18 (0.04) | ||
| Declination | 14 38 58.17 (0.03) | 14 38 57.51 | 14 38 58.50 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 30310.0 (660) | |||
| log(g) | [cgs] | 5.77 (0.06) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 2.18 (0.04) | 2.24 (0.06) | 2.18 (0.04) | |
| Distance | [pc] | 458.84 (9) | 445.99 (11) | 458.84 (9) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.359 (0.04) | 3.248 (0.09) | 3.359 (0.04) | |
| Proper motion (declination) | [mas/yr] | -20.241 (0.03) | -20.157 (0.08) | -20.241 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | 13.41 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 13.87 (0.02) | 13.87 (0.02) | |||
| H magnitude | 13.98 (0.04) | 13.98 (0.04) | |||
| K magnitude | 14.02 (0.06) | 14.02 (0.06) | |||
| u magnitude | 13.69 (0.005) | ||||
| g magnitude | |||||
| r magnitude | 15.31 (0.01) | ||||
| i magnitude | 14.81 (0.02) | ||||
| z magnitude | 14.65 (0.007) | ||||
| G magnitude | 13.34 (0.003) | 13.35 (0.0008) | 13.34 (0.003) | ||
| BP magnitude | 13.22 (0.003) | 13.17 (0.005) | |||
| RP magnitude | 13.56 (0.004) | 13.56 (0.002) | |||
| Pan g magnitude | 17.94 (0.03) | ||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.071 | ||||
* 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.