All names: TIC 52022410, USNO-A2.0 1050-00091522, Gaia DR2 2793914056120569856, 2MASS J00171775+1759248, Gaia DR3 2793914056120569856
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 00 17 17.80 | 00 17 17.78 (0.06) | |
| Declination | 17 59 24.84 | 17 59 24.96 (0.06) | |
| Spectral type | DB | DB | |
| Effective temperature | [K] | 11702.0 (140) | |
| log(g) | [cgs] | 8.07 (0.02) | |
| Mass | [M☉] | 0.626 (0.01) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 9.43 | 9.43 (0.08) |
| Distance | [pc] | 106.06 | 106.06 (0.9) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 19.756 (0.08) | |
| Proper motion (declination) | [mas/yr] | -7.27 (0.08) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 16.80 (0.3) | ||
| V magnitude | |||
| R magnitude | 16.90 (0.3) | ||
| I magnitude | |||
| J magnitude | 16.88 (0.2) | ||
| H magnitude | 16.64 (0.3) | ||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 17.08 | 17.08 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| 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.