All names: SBSS 1102+498, UCAC2 48054447, GALEX J110523.1+493503, PG 1102+499, 2MASS J11052316+4934598, LAMOST J110523.16+493459.6, TIC 318359229, Gaia DR2 832788184395879424, Gaia DR3 832788184395879424, SDSS J110523.16+493459.7, PG1102+499, UCAC4 698-053625
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 05 23.15 | 11 05 23.16 (0.03) | ||
| Declination | 49 34 59.72 | 49 34 59.71 (0.04) | ||
| Spectral type | He-sdO | sdOB | ||
| Effective temperature | [K] | 68568.0 (628) | ||
| log(g) | [cgs] | 5.75 (0.03) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.68 (0.1) | 0.53 (0.05) | |
| Distance | [pc] | 1468.64 (217) | 1897.53 (165) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.338 (0.07) | -4.061 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.777 (0.1) | -5.775 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.09 (0.04) | |||
| V magnitude | 14.29 (0.03) | |||
| R magnitude | 14.56 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.05 (0.04) | 15.05 (0.04) | ||
| H magnitude | 15.27 (0.1) | 15.27 (0.1) | ||
| K magnitude | 15.21 (0.1) | 15.21 (0.1) | ||
| u magnitude | 13.56 (0.003) | |||
| g magnitude | ||||
| r magnitude | 14.54 (0.004) | |||
| i magnitude | 14.92 (0.004) | |||
| z magnitude | 15.28 (0.005) | |||
| G magnitude | 14.26 (0.0009) | 14.24 (0.003) | ||
| BP magnitude | 13.99 (0.008) | |||
| RP magnitude | 14.58 (0.007) | |||
| Pan g magnitude | 14.05 (0.006) | |||
| Pan r magnitude | 14.53 (0.003) | |||
| Pan i magnitude | 14.93 (0.002) | |||
| Pan z magnitude | 15.24 (0.003) | |||
| Pan y magnitude | 15.43 (0.004) | |||
| E(B-V) | 0.020 | |||
* 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.