All names: 2MASS J03390158-7051456, EC03390-7101, GALEX J033901.4-705145, Gaia DR3 4642839241587595776, EC 03390-7101, Gaia DR2 4642839241587595776, [DI91] 1496, TIC 31946250
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 39 01.52 | 03 39 01.61 (0.02) | ||
| Declination | -70 51 45.50 | -70 51 45.55 (0.02) | ||
| 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] | 0.39 (0.03) | 0.38 (0.02) | |
| Distance | [pc] | 2536.14 (180) | 2602.13 (150) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.399 (0.05) | 0.371 (0.03) | |
| Proper motion (declination) | [mas/yr] | 1.291 (0.06) | 1.272 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.76 | |||
| V magnitude | 15.56 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.00 (0.04) | 15.00 (0.04) | ||
| H magnitude | 14.75 (0.05) | 14.75 (0.05) | ||
| K magnitude | 14.61 (0.09) | 14.61 (0.09) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.48 (0.0005) | 15.46 (0.003) | ||
| BP magnitude | 15.57 (0.004) | |||
| RP magnitude | 15.23 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.056 | |||
* 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.