All names: 2MASS J17170884+6757114, GSC 04421-02656, Gaia DR2 1637422647712544512, UCAC3 316-56850, TIC 219868627, Gaia DR3 1637422647712544512, GSC2.3 N4LP000210, USNO-B1.0 1579-00202222, GALEX J171708.5+675712
| Parameter | Unit | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|
| Right ascension | 17 17 08.84 | 17 17 08.86 (0.02) | ||
| Declination | 67 57 12.23 | 67 57 11.38 (0.02) | ||
| Spectral type | DA | DAZ | ||
| 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] | 5.60 | 5.60 (0.02) | |
| Distance | [pc] | 178.61 | 178.61 (0.6) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.706 (0.02) | ||
| Proper motion (declination) | [mas/yr] | 52.933 (0.03) | ||
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.54 (0.1) | |||
| V magnitude | 13.73 (0.1) | |||
| R magnitude | 13.77 (0.08) | |||
| I magnitude | ||||
| J magnitude | 13.61 (0.02) | |||
| H magnitude | 13.69 (0.03) | |||
| K magnitude | 13.64 (0.05) | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.30 | 13.30 (0.003) | ||
| BP magnitude | ||||
| RP magnitude | ||||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.016 | |||
* 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.