All names: Gaia EDR3 102622917779071744, GALEX J022233.6+242059, 2MASS J02223364+2420587, TIC 21027681, Gaia DR2 102622917779071744, PG 0219+241, PG0219+241, Gaia DR3 102622917779071744
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 22 33.64 (0.06) | 02 22 33.61 | 02 22 33.63 (0.06) | ||
| Declination | 24 20 58.63 (0.06) | 24 20 58.53 | 24 20 58.62 (0.06) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.49 (0.07) | 0.39 (0.07) | 0.49 (0.07) | |
| Distance | [pc] | 2039.57 (270) | 2543.23 (475) | 2039.57 (270) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.433 (0.08) | 4.228 (0.2) | 4.433 (0.08) | |
| Proper motion (declination) | [mas/yr] | 0.904 (0.08) | 1.097 (0.1) | 0.904 (0.08) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 16.07 | ||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.59 (0.1) | 16.59 (0.1) | |||
| H magnitude | 16.55 (0.2) | 16.55 (0.2) | |||
| K magnitude | 17.24 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 16.25 (0.003) | 16.27 (0.002) | 16.25 (0.003) | ||
| BP magnitude | 16.16 (0.005) | 16.12 (0.008) | |||
| RP magnitude | 16.43 (0.007) | 16.44 (0.005) | |||
| Pan g magnitude | 16.10 (0.003) | ||||
| Pan r magnitude | 16.46 (0.006) | ||||
| Pan i magnitude | 16.74 (0.005) | ||||
| Pan z magnitude | 16.98 (0.007) | ||||
| Pan y magnitude | 17.14 (0.008) | ||||
| E(B-V) | 0.098 | ||||
* 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.