All names: EC02303-6205, UCAC4 141-002238, GALEX J023138.0-615228, Gaia DR3 4725402394350997248, 2MASS J02313818-6152283, EC 02303-6205, TIC 369993181, Gaia DR2 4725402394350997248
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 31 38.25 | 02 31 38.21 (0.03) | ||
| Declination | -61 52 29.24 | -61 52 28.30 (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] | 0.57 (0.04) | 0.47 (0.03) | |
| Distance | [pc] | 1762.11 (110) | 2137.67 (124) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 11.988 (0.08) | 11.871 (0.04) | |
| Proper motion (declination) | [mas/yr] | -28.317 (0.06) | -27.996 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.24 (0.07) | |||
| V magnitude | 15.27 (0.01) | |||
| R magnitude | 15.41 (0.1) | |||
| I magnitude | ||||
| J magnitude | 14.89 (0.04) | 14.89 (0.04) | ||
| H magnitude | 14.78 (0.06) | 14.78 (0.06) | ||
| K magnitude | 14.62 (0.1) | 14.62 (0.1) | ||
| u magnitude | ||||
| g magnitude | 15.16 (0.02) | |||
| r magnitude | 15.39 (0.05) | |||
| i magnitude | 15.42 (0.05) | |||
| z magnitude | ||||
| G magnitude | 15.19 (0.0005) | 15.17 (0.003) | ||
| BP magnitude | 15.13 (0.006) | |||
| RP magnitude | 15.12 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.014 | |||
* 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.