All names: Gaia DR2 3791173718148656896, PG1108-018, FBS 1108-018, GALEX J111112.5-020629, TIC 443582911, Gaia DR3 3791173718148656896, PG 1108-018, 2MASS J11111256-0206299
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 11 12.58 | 11 11 12.55 (0.06) | ||
| Declination | -02 06 29.63 | -02 06 29.70 (0.04) | ||
| Spectral type | sdO | sdOA | ||
| 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] | 0.16 (0.09) | 0.26 (0.06) | |
| Distance | [pc] | 6297.23 (3640) | 3795.07 (860) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -9.916 (0.2) | -9.623 (0.07) | |
| Proper motion (declination) | [mas/yr] | -2.118 (0.1) | -2.058 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.89 | |||
| V magnitude | 14.70 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.43 (0.1) | 16.43 (0.1) | ||
| H magnitude | 16.47 (0.2) | 16.47 (0.2) | ||
| K magnitude | 15.79 | |||
| u magnitude | 16.15 (0.005) | |||
| g magnitude | 16.32 (0.004) | |||
| r magnitude | 16.67 (0.004) | |||
| i magnitude | 16.88 (0.005) | |||
| z magnitude | 17.04 (0.01) | |||
| G magnitude | 16.51 (0.002) | 16.49 (0.003) | ||
| BP magnitude | 16.38 (0.01) | |||
| RP magnitude | 16.57 (0.01) | |||
| Pan g magnitude | 16.40 (0.006) | |||
| Pan r magnitude | 16.67 (0.005) | |||
| Pan i magnitude | 16.89 (0.005) | |||
| Pan z magnitude | 17.05 (0.005) | |||
| Pan y magnitude | 17.14 (0.006) | |||
| E(B-V) | 0.025 | |||
* 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.