All names: GALEX J034223.9-640321, SPM4.0 0870012815, Gaia DR2 4672968024852809344, EC 03417-6412, [RRW93] P83l-59, Gaia DR3 4672968024852809344, BPS CS 31075-0026, 2MASS J03422404-6403211, EC03417-6412, TIC 316976070
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 42 24.02 | 03 42 24.07 (0.02) | ||
| Declination | -64 03 21.31 | -64 03 21.27 (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] | 0.41 (0.03) | 0.38 (0.02) | |
| Distance | [pc] | 2458.81 (184) | 2598.75 (145) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 5.802 (0.05) | 5.734 (0.02) | |
| Proper motion (declination) | [mas/yr] | 2.397 (0.06) | 2.267 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.81 | |||
| V magnitude | 14.95 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.32 (0.07) | 15.32 (0.07) | ||
| H magnitude | 15.47 (0.2) | 15.47 (0.2) | ||
| K magnitude | 15.08 (0.2) | 15.08 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.94 (0.0004) | 14.92 (0.003) | ||
| BP magnitude | 14.82 (0.003) | |||
| RP magnitude | 15.05 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.061 | |||
* 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.