All names: GALEX J211518.1-125249, TYC 5780-1040-1, EC21125-1305, Gaia DR3 6891704901119080448, TIC 214649518, Gaia DR2 6891704901119080448, EC 21125-1305, 2MASS J21151812-1252527
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 15 18.19 | 21 15 18.13 (0.02) | ||
| Declination | -12 52 52.46 | -12 52 52.80 (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] | 0.70 (0.06) | 0.52 (0.03) | |
| Distance | [pc] | 1432.05 (123) | 1921.60 (114) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.6 (0.09) | 3.727 (0.03) | |
| Proper motion (declination) | [mas/yr] | -4.341 (0.07) | -4.538 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.50 (0.2) | |||
| V magnitude | 12.03 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 12.36 (0.02) | 12.36 (0.02) | ||
| H magnitude | 12.29 (0.03) | 12.29 (0.03) | ||
| K magnitude | 12.28 (0.03) | 12.28 (0.03) | ||
| u magnitude | 13.64 (0.004) | |||
| g magnitude | 12.65 (0.002) | |||
| r magnitude | 12.97 (0.003) | |||
| i magnitude | 12.98 (0.002) | |||
| z magnitude | 13.30 (0.004) | |||
| G magnitude | 12.59 (0.0003) | 12.57 (0.003) | ||
| BP magnitude | 12.58 (0.003) | |||
| RP magnitude | 12.50 (0.0006) | |||
| Pan g magnitude | 13.89 (0.001) | |||
| Pan r magnitude | ||||
| Pan i magnitude | 13.95 (0.001) | |||
| Pan z magnitude | 14.67 (0.002) | |||
| Pan y magnitude | ||||
| E(B-V) | 0.033 | |||
* 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.