All names: Gaia DR3 3146778158159611264, Gaia DR2 3146778158159611264, SDSS J080940.41+095920.5
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 08 09 40.43 (0.6) | ||
| Declination | 09 59 20.61 (0.4) | ||
| Spectral type | DB | ||
| 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] | 0.43 (0.7) | |
| Distance | [pc] | 2334.81 (4017) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -10.839 (0.8) | |
| Proper motion (declination) | [mas/yr] | -6.589 (0.6) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 19.95 (0.04) | ||
| g magnitude | 20.08 (0.02) | ||
| r magnitude | 20.30 (0.03) | ||
| i magnitude | 20.48 (0.04) | ||
| z magnitude | 20.47 (0.1) | ||
| G magnitude | 20.23 (0.007) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.024 | ||
* 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.