All names: SDSS J164310.63-063953.9, Gaia DR3 4352774222909689600, SDSS J164310.63-063953.8, SDSSJ164310.63-063953.8, GALEX J164310.6-063953, Gaia DR2 4352774222909689600
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 16 43 10.63 | 16 43 10.63 (0.1) | |
| Declination | -06 39 53.87 | -06 39 53.83 (0.05) | |
| Spectral type | sd | sd+F/K | |
| 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] | -0.02 (0.2) | |
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 0.05 (0.3) | -1.045 (0.1) |
| Proper motion (declination) | [mas/yr] | -3.222 (0.2) | -3.62 (0.1) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.21 (0.08) | ||
| H magnitude | 15.94 (0.1) | ||
| K magnitude | 15.97 (0.3) | ||
| u magnitude | 18.99 (0.02) | 18.99 (0.02) | |
| g magnitude | 18.17 (0.007) | 18.17 (0.007) | |
| r magnitude | 17.77 (0.006) | 17.77 (0.006) | |
| i magnitude | 17.53 (0.007) | 17.53 (0.007) | |
| z magnitude | 17.34 (0.01) | 17.34 (0.01) | |
| G magnitude | 17.74 (0.001) | 17.73 (0.003) | |
| BP magnitude | 18.06 (0.01) | ||
| RP magnitude | 17.16 (0.008) | ||
| Pan g magnitude | 18.14 (0.005) | ||
| Pan r magnitude | 17.79 (0.006) | ||
| Pan i magnitude | 17.56 (0.008) | ||
| Pan z magnitude | 17.42 (0.003) | ||
| Pan y magnitude | 17.30 (0.009) | ||
| E(B-V) | |||
* 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.