All names: Gaia DR3 4731746232846281344, NOVA Ret 2020, Gaia DR2 4731746232846281344, Gaia 20elz, V* YZ Ret, 2MASS J03582954-5446411, HIDDEN NAME MGAB-V207, 4FGL J0358.5-5432, EC03572-5455, UCAC4 177-003680, TIC 198005084, EC 03572-5455
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 58 29.49 | 03 58 29.55 (0.03) | ||
| Declination | -54 46 40.69 | -54 46 41.23 (0.04) | ||
| Spectral type | sdB | sdB?/DA? | ||
| 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] | 0.32 (0.05) | 0.38 (0.04) | |
| Distance | [pc] | 3163.56 (464) | 2644.80 (262) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.244 (0.09) | 7.183 (0.04) | |
| Proper motion (declination) | [mas/yr] | 2.984 (0.1) | 2.815 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.59 (0.3) | |||
| V magnitude | 16.68 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.30 (0.1) | 16.30 (0.1) | ||
| H magnitude | 16.00 (0.2) | 16.00 (0.2) | ||
| K magnitude | 15.32 | |||
| u magnitude | ||||
| g magnitude | 16.66 (0.2) | |||
| r magnitude | 16.75 (0.2) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.26 (0.02) | 16.24 (0.02) | ||
| BP magnitude | 16.22 (0.06) | |||
| RP magnitude | 16.18 (0.05) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.013 | |||
* 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.