All names: Gaia DR3 5131456333455351168, UCAC4 358-002820, Gaia EDR3 5131456333455351168, EC02266-1842, EC 02266-1842, 2MASS J02285836-1828392, PHL 1306, Gaia DR2 5131456333455351168, GALEX J022858.2-182838, TIC 64008380
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 28 58.37 (0.04) | 02 28 58.34 | 02 28 58.36 (0.04) | ||
| Declination | -18 28 39.37 (0.04) | -18 28 38.93 | -18 28 39.18 (0.04) | ||
| 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] | 0.77 (0.05) | 0.92 (0.09) | 0.77 (0.05) | |
| Distance | [pc] | 1293.33 (88) | 1092.30 (108) | 1293.33 (88) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 5.454 (0.05) | 5.047 (0.2) | 5.454 (0.05) | |
| Proper motion (declination) | [mas/yr] | -11.584 (0.04) | -11.383 (0.2) | -11.584 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.72 (0.2) | ||||
| V magnitude | 15.74 (0.06) | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.68 (0.07) | 15.68 (0.07) | |||
| H magnitude | 15.32 (0.1) | 15.32 (0.1) | |||
| K magnitude | 15.39 (0.2) | 15.39 (0.2) | |||
| u magnitude | |||||
| g magnitude | 15.58 (0.01) | ||||
| r magnitude | 15.91 (0.04) | ||||
| i magnitude | 16.10 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 15.65 (0.003) | 15.67 (0.002) | 15.65 (0.003) | ||
| BP magnitude | 15.55 (0.004) | 15.49 (0.01) | |||
| RP magnitude | 15.77 (0.005) | 15.77 (0.004) | |||
| Pan g magnitude | 15.55 (0.006) | ||||
| Pan r magnitude | 15.88 (0.005) | ||||
| Pan i magnitude | 16.12 (0.002) | ||||
| Pan z magnitude | 16.26 (0.004) | ||||
| Pan y magnitude | 16.34 (0.006) | ||||
| E(B-V) | 0.020 | ||||
* 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.