All names: Gaia DR2 636699695854557184
| Parameter | Unit | Gaia DR2 | Koester & Kepler (2015) |
|---|---|---|---|
| Right ascension | 09 11 25.31 (0.3) | ||
| Declination | 19 35 41.78 (0.2) | ||
| Spectral type | |||
| Effective temperature | [K] | 20502.0 (456) | |
| log(g) | [cgs] | 7.75 (0.09) | |
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | -3.64 (0) | ||
| log(C/He) | |||
| log(Ca/He) | -4.21 (0) | ||
| log(Ca/H) | |||
| Parallax | [mas] | 2.26 (0.4) | |
| Distance | [pc] | 441.74 (77) | 489.00 |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -10.408 (0.5) | |
| Proper motion (declination) | [mas/yr] | -7.744 (0.3) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 18.88 | ||
| BP magnitude | 18.69 | ||
| RP magnitude | 18.96 | ||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.