All names: TIC 2027757926, TIC 471013820, Gaia DR2 6584977720027902464, EC21513-3919, Gaia DR3 6584977720027902464, EC 21513-3919
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 54 23.20 | 21 54 23.26 (0.04) | ||
| Declination | -39 05 44.84 | -39 05 44.52 (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] | 0.09 (0.09) | 0.09 (0.06) | |
| Distance | [pc] | 11587.49 (11923) | 10649.63 (6725) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.196 (0.1) | 4.175 (0.05) | |
| Proper motion (declination) | [mas/yr] | -11.433 (0.1) | -11.672 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.36 | |||
| V magnitude | 16.67 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.62 (0.002) | 16.59 (0.003) | ||
| BP magnitude | 16.34 (0.01) | |||
| RP magnitude | 16.89 (0.006) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.015 | |||
* 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.