All names: Gaia DR2 6809752905022516992, 2MASS J21423398-2850571, 2QZ J214233.9-285057, Gaia DR3 6809752905022516992, TIC 209397413, GALEX J214233.9-285057
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 21 42 33.98 (0.2) | ||
| Declination | -28 50 57.17 (0.2) | ||
| Spectral type | DA | ||
| 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] | 1.87 (0.2) | |
| Distance | [pc] | 534.73 (64) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 19.942 (0.3) | |
| Proper motion (declination) | [mas/yr] | -4.837 (0.2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 19.59 | ||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.23 (0.08) | ||
| H magnitude | 15.61 (0.1) | ||
| K magnitude | 15.24 (0.1) | ||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 18.89 (0.003) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.031 | ||
* 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.