All names: Gaia DR2 1097050512732828416, Gaia EDR3 1097050512732828416, 2MASS J08115625+6803434, FBS 0807+682, PG 0806+682, PG0806+682, FBS B 769, TIC 289484028, Gaia DR3 1097050512732828416, GALEX J081156.1+680343, UCAC4 791-020294
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 11 56.26 (0.02) | 08 11 56.21 | 08 11 56.25 (0.02) | ||
| Declination | 68 03 43.20 (0.03) | 68 03 43.08 | 68 03 43.21 (0.03) | ||
| Spectral type | sdB | sdB | |||
| 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] | 0.73 (0.04) | 0.86 (0.05) | 0.73 (0.04) | |
| Distance | [pc] | 1372.68 (71) | 1168.77 (74) | 1372.68 (71) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.333 (0.03) | 4.287 (0.07) | 4.333 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.267 (0.04) | -0.162 (0.09) | -0.267 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.49 (0.1) | ||||
| V magnitude | 15.60 (0.06) | ||||
| R magnitude | 16.12 (0.3) | ||||
| I magnitude | |||||
| J magnitude | 16.21 (0.09) | 16.21 (0.09) | |||
| H magnitude | 16.44 (0.3) | 16.44 (0.3) | |||
| K magnitude | 15.97 | ||||
| u magnitude | |||||
| g magnitude | 15.46 (0.08) | ||||
| r magnitude | 15.78 (0.05) | ||||
| i magnitude | 15.94 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 15.68 (0.003) | 15.70 (0.0006) | 15.68 (0.003) | ||
| BP magnitude | 15.58 (0.003) | 15.54 (0.005) | |||
| RP magnitude | 15.88 (0.005) | 15.87 (0.004) | |||
| Pan g magnitude | 15.54 (0.004) | ||||
| Pan r magnitude | 15.88 (0.002) | ||||
| Pan i magnitude | 16.21 (0.003) | ||||
| Pan z magnitude | 16.45 (0.006) | ||||
| Pan y magnitude | 16.61 (0.009) | ||||
| E(B-V) | 0.050 | ||||
* 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.