All names: 2MASS J05054283-8726431, Gaia DR3 4612366173745177216, Gaia DR2 4612366173745177216, EC05279-8729, EC 05279-8729, TIC 317154662, UCAC4 013-001052
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 05 05 42.89 | 05 05 42.84 (0.02) | ||
| Declination | -87 26 42.90 | -87 26 43.02 (0.02) | ||
| 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] | 0.84 (0.03) | 0.83 (0.02) | |
| Distance | [pc] | 1187.65 (42) | 1208.31 (28) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 5.02 (0.06) | 4.986 (0.02) | |
| Proper motion (declination) | [mas/yr] | 17.854 (0.07) | 17.734 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.39 (0.02) | |||
| V magnitude | 14.40 (0.03) | |||
| R magnitude | 14.55 (0.09) | |||
| I magnitude | ||||
| J magnitude | 13.90 (0.03) | 13.90 (0.03) | ||
| H magnitude | 13.68 (0.04) | 13.68 (0.04) | ||
| K magnitude | 13.51 (0.05) | 13.51 (0.05) | ||
| u magnitude | ||||
| g magnitude | 14.32 (0.03) | |||
| r magnitude | 14.46 (0.04) | |||
| i magnitude | 14.58 (0.01) | |||
| z magnitude | ||||
| G magnitude | 14.32 (0.0006) | 14.30 (0.003) | ||
| BP magnitude | 14.31 (0.006) | |||
| RP magnitude | 14.21 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.089 | |||
* 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.