All names: GALEX J080902.2+550736, Gaia DR3 1032921801984022528, Gaia DR2 1032921801984022528, Gaia EDR3 1032921801984022528, SDSS J080902.28+550736.3
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 08 09 02.29 (0.5) | 08 09 02.29 (0.5) | ||
| Declination | 55 07 36.29 (0.4) | 55 07 36.33 (0.4) | ||
| Spectral type | 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] | 0.97 (0.5) | 0.97 (0.5) | |
| Distance | [pc] | 1025.64 (528) | 1025.64 (528) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.97 (0.6) | 0.97 (0.6) | |
| Proper motion (declination) | [mas/yr] | -2.468 (0.6) | -2.468 (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 | 20.43 (0.05) | |||
| g magnitude | 20.08 (0.02) | |||
| r magnitude | 20.21 (0.02) | |||
| i magnitude | 20.47 (0.04) | |||
| z magnitude | 20.75 (0.2) | |||
| G magnitude | 20.22 (0.007) | 20.22 (0.007) | ||
| BP magnitude | 20.13 (0.08) | |||
| RP magnitude | 19.93 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.038 | |||
* 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.