All names: SDSS J091718.66+332116.7, SDSS J091718.66+332116.9, Gaia DR2 701888228436980736, Gaia DR3 701888228436980736, Gaia EDR3 701888228436980736, SDSS J091718.66+332116.8, GALEX J091718.6+332117
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 09 17 18.65 (0.2) | 09 17 18.65 | 09 17 18.65 (0.2) | |||
| Declination | 33 21 16.80 (0.2) | 33 21 16.80 | 33 21 16.97 (0.2) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 15466.0 (1323) | ||||
| log(g) | [cgs] | 8.03 (0.1) | ||||
| Mass | [M☉] | 0.633 (0.1) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 2.78 (0.3) | 2.78 | 2.78 (0.3) | ||
| Distance | [pc] | 359.96 (36) | 359.96 | 359.96 (36) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -3.531 (0.3) | -3.531 (0.3) | |||
| Proper motion (declination) | [mas/yr] | -10.642 (0.2) | -10.642 (0.2) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 19.15 (0.02) | |||||
| g magnitude | 18.98 (0.01) | |||||
| r magnitude | 19.24 (0.01) | |||||
| i magnitude | 19.57 (0.03) | |||||
| z magnitude | 19.98 (0.1) | |||||
| G magnitude | 19.12 (0.004) | 19.12 | 19.12 (0.004) | |||
| BP magnitude | 19.18 (0.03) | |||||
| RP magnitude | 19.30 (0.05) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.018 | |||||
* 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.