All names: LAMOST J021226.59+015517.3, Gaia DR2 2514278566658235776, PG 0209+017, Gaia DR3 2514278566658235776, HS 0209+0141, PG0209+017, 2MASS J02122659+0155174, PB 6740, GALEX J021226.6+015515, Gaia EDR3 2514278566658235776, TIC 270416019
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 12 26.61 (0.04) | 02 12 26.53 | 02 12 26.59 (0.04) | ||
| Declination | 01 55 17.35 (0.03) | 01 55 18.41 | 01 55 17.56 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 30900.0 (800) | |||
| log(g) | [cgs] | 5.65 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.32 (0.04) | 1.16 (0.09) | 1.32 (0.04) | |
| Distance | [pc] | 758.61 (25) | 864.75 (64) | 758.61 (25) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 19.808 (0.05) | 19.752 (0.1) | 19.808 (0.05) | |
| Proper motion (declination) | [mas/yr] | -12.995 (0.03) | -13.297 (0.09) | -12.995 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.39 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 14.81 (0.03) | 14.81 (0.03) | |||
| H magnitude | 14.85 (0.06) | 14.85 (0.06) | |||
| K magnitude | 14.99 (0.1) | 14.99 (0.1) | |||
| u magnitude | 13.81 (0.004) | ||||
| g magnitude | |||||
| r magnitude | 14.66 (0.007) | ||||
| i magnitude | 14.80 (0.005) | ||||
| z magnitude | 15.06 (0.006) | ||||
| G magnitude | 14.17 (0.003) | 14.19 (0.0008) | 14.17 (0.003) | ||
| BP magnitude | 14.04 (0.003) | 13.98 (0.004) | |||
| RP magnitude | 14.44 (0.004) | 14.44 (0.001) | |||
| Pan g magnitude | 14.02 (0.008) | ||||
| Pan r magnitude | 14.42 (0.001) | ||||
| Pan i magnitude | 14.78 (0.003) | ||||
| Pan z magnitude | 15.04 (0.003) | ||||
| Pan y magnitude | 15.21 (0.004) | ||||
| E(B-V) | 0.032 | ||||
* 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.