All names: WISE J025442.86-854623.3, UCAC4 022-001039, Gaia DR2 4613512758214589312, EC 03030-8558, Gaia DR3 4613512758214589312, EC03030-8558, TIC 274035031, 2MASS J02544275-8546233
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 54 43.01 | 02 54 42.89 (0.01) | ||
| Declination | -85 46 23.30 | -85 46 23.31 (0.01) | ||
| Spectral type | sdB+F | sdB+F | ||
| 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] | 0.67 (0.02) | 0.63 (0.01) | |
| Distance | [pc] | 1491.20 (41) | 1593.88 (34) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.646 (0.04) | 7.765 (0.02) | |
| Proper motion (declination) | [mas/yr] | 2.696 (0.03) | 2.6 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.30 | |||
| V magnitude | 14.04 | |||
| R magnitude | 14.11 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.31 (0.03) | 13.31 (0.03) | ||
| H magnitude | 13.19 (0.03) | 13.19 (0.03) | ||
| K magnitude | 13.13 (0.04) | 13.13 (0.04) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.96 (0.0004) | 13.94 (0.003) | ||
| BP magnitude | 14.09 (0.003) | |||
| RP magnitude | 13.67 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.082 | |||
* 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.