All names: EC 03226-7349, GALEX J032216.3-733903, 2MASS J03221627-7339030, [DI91] 1453, Gaia DR3 4641364143659842688, UCAC4 082-005074, EC03226-7349, Gaia DR2 4641364143659842688, TIC 431589434
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 22 16.25 | 03 22 16.30 (0.04) | ||
| Declination | -73 39 02.77 | -73 39 03.37 (0.03) | ||
| 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] | 0.25 (0.06) | 0.24 (0.03) | |
| Distance | [pc] | 3998.40 (908) | 4210.53 (619) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.142 (0.1) | 1.216 (0.04) | |
| Proper motion (declination) | [mas/yr] | -0.285 (0.1) | -0.117 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.88 (0.04) | |||
| V magnitude | 16.13 (0.02) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.52 (0.1) | 16.52 (0.1) | ||
| H magnitude | 15.88 | |||
| K magnitude | 16.21 | |||
| u magnitude | ||||
| g magnitude | 15.86 (0.03) | |||
| r magnitude | 16.23 (0.02) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.11 (0.001) | 16.09 (0.003) | ||
| BP magnitude | 15.90 (0.009) | |||
| RP magnitude | 16.37 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.048 | |||
* 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.