All names: TIC 115115870, EC21038-4136, GALEX J210705.9-412408, EC 21038-4136, Gaia DR3 6581154713801158400, 2MASS J21070596-4124081, Gaia DR2 6581154713801158400
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 07 05.98 | 21 07 05.99 (0.05) | ||
| Declination | -41 24 07.42 | -41 24 08.15 (0.04) | ||
| 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] | 0.19 (0.1) | 0.30 (0.06) | |
| Distance | [pc] | 5162.62 (2751) | 3287.31 (668) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 11.272 (0.1) | 11.523 (0.06) | |
| Proper motion (declination) | [mas/yr] | -12.936 (0.1) | -12.804 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.18 | |||
| V magnitude | 16.32 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.69 (0.1) | 16.69 (0.1) | ||
| H magnitude | 16.41 (0.2) | 16.41 (0.2) | ||
| K magnitude | 16.97 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.32 (0.001) | 16.30 (0.003) | ||
| BP magnitude | 16.18 (0.008) | |||
| RP magnitude | 16.47 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.021 | |||
* 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.