All names: SDSS J221617.65+072917.4, Gaia DR3 2720998258897721344, SDSS J221617.65+072917.5, SDSS J221617.64+072917.4
| Parameter | Unit | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|
| Right ascension | 22 16 17.63 (1) | |||
| Declination | 07 29 17.12 (0.7) | |||
| Spectral type | DA | 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] | 5.03 (1) | ||
| Distance | [pc] | 198.75 (58) | ||
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 56.296 (1) | ||
| Proper motion (declination) | [mas/yr] | 51.741 (2) | ||
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 20.84 (0.07) | |||
| g magnitude | 20.29 (0.02) | |||
| r magnitude | 20.09 (0.02) | |||
| i magnitude | 20.12 (0.03) | |||
| z magnitude | 20.13 (0.1) | |||
| G magnitude | 20.07 (0.008) | |||
| BP magnitude | ||||
| RP magnitude | ||||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.033 | |||
* 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.