All names: GALEX J171620.7+533634, Gaia DR2 1419291188712848256, LAMOST J171620.70+533634.5, Gaia DR3 1419291188712848256, SBSS1715+536, SBSS 1715+536, 2MASS J17162071+5336344, TIC 188633484
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 17 16 20.74 | 17 16 20.71 (0.02) | ||
| Declination | 53 36 34.80 | 53 36 34.48 (0.02) | ||
| Spectral type | sdB | sdB | ||
| 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] | 0.10 (0.03) | 0.16 (0.02) | |
| Distance | [pc] | 10131.71 (2905) | 6357.28 (792) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.769 (0.07) | -2.918 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.686 (0.06) | -0.608 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.00 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.72 (0.03) | 13.72 (0.03) | ||
| H magnitude | 13.75 (0.03) | 13.75 (0.03) | ||
| K magnitude | 13.82 (0.06) | 13.82 (0.06) | ||
| u magnitude | 13.78 (0.003) | |||
| g magnitude | 13.85 (0.002) | |||
| r magnitude | 13.66 (0.003) | |||
| i magnitude | 13.91 (0.003) | |||
| z magnitude | 14.14 (0.004) | |||
| G magnitude | 13.53 (0.0003) | 13.51 (0.003) | ||
| BP magnitude | 13.45 (0.004) | |||
| RP magnitude | 13.61 (0.001) | |||
| Pan g magnitude | 13.41 (0.001) | |||
| Pan r magnitude | 13.69 (0.01) | |||
| Pan i magnitude | 13.96 (0.002) | |||
| Pan z magnitude | 14.15 (0.003) | |||
| Pan y magnitude | 14.24 (0.003) | |||
| E(B-V) | 0.027 | |||
* 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.