All names: SDSS J110821.54+293649.0, UCAC4 599-048328, LAMOST J110821.54+293649.0, Gaia DR2 732525643203984896, LAMOST J110821.64+293649.2, PG 1105+299, Gaia DR3 732525643203984896, PG1105+298, Ton 56, 2MASS J11082152+2936490, HIDDEN NAME PG 1105+298, CBS 35, TIC 284043666, CHSS 409, GALEX J110821.6+293649
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 08 21.52 | 11 08 21.54 (0.04) | ||
| Declination | 29 36 49.38 | 29 36 49.12 (0.06) | ||
| Spectral type | sdOB | sdB | ||
| Effective temperature | [K] | 34173.0 (1056) | ||
| log(g) | [cgs] | 4.80 | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.12 (0.07) | 0.08 (0.05) | |
| Distance | [pc] | 8305.65 (4553) | 12004.80 (6889) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.949 (0.1) | 0.734 (0.04) | |
| Proper motion (declination) | [mas/yr] | -8.855 (0.2) | -8.973 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.27 (0.02) | |||
| V magnitude | 15.56 (0.09) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.15 (0.1) | 16.15 (0.1) | ||
| H magnitude | 15.63 | |||
| K magnitude | 15.41 | |||
| u magnitude | 14.95 (0.004) | 14.95 (0.004) | ||
| g magnitude | 15.22 (0.003) | 15.22 (0.003) | ||
| r magnitude | 15.74 (0.004) | 15.74 (0.004) | ||
| i magnitude | 16.10 (0.004) | 16.10 (0.004) | ||
| z magnitude | 16.39 (0.008) | 16.39 (0.008) | ||
| G magnitude | 15.50 (0.001) | 15.48 (0.003) | ||
| BP magnitude | 15.27 (0.02) | |||
| RP magnitude | 15.77 (0.005) | |||
| Pan g magnitude | 15.31 (0.004) | |||
| Pan r magnitude | 15.74 (0.004) | |||
| Pan i magnitude | 16.10 (0.003) | |||
| Pan z magnitude | 16.38 (0.003) | |||
| Pan y magnitude | 16.56 (0.006) | |||
| E(B-V) | 0.017 | |||
* 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.