All names: TYC 1978-37-1, TIC 284018803, LAMOST J110726.22+240311.1, Gaia DR3 3995351343799453056, Gaia DR2 3995351343799453056, GALEX J110725.9+240310, PG1104+243, PG 1104+243, 2MASS J11072622+2403111
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 11 07 26.43 | 11 07 26.23 (0.06) | ||
| Declination | 24 03 12.07 | 24 03 11.11 (0.05) | ||
| Spectral type | sdOB+G2V | sdOB+G2V | ||
| Effective temperature | [K] | 33500.0 (1200) | ||
| log(g) | [cgs] | 5.84 (0.08) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 3.65 (0.08) | 3.41 (0.06) | |
| Distance | [pc] | 274.03 (6) | 293.21 (5) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -63.773 (0.2) | -63.753 (0.07) | |
| Proper motion (declination) | [mas/yr] | -23.395 (0.1) | -24.381 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 11.49 (0.08) | |||
| V magnitude | 11.39 (0.1) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 10.77 (0.03) | 10.77 (0.03) | ||
| H magnitude | 10.52 (0.03) | 10.52 (0.03) | ||
| K magnitude | 10.51 (0.02) | 10.51 (0.02) | ||
| u magnitude | 11.87 (0.002) | |||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | 12.80 (0.005) | |||
| G magnitude | 11.20 (0.001) | 11.20 (0.003) | ||
| BP magnitude | 11.23 (0.01) | |||
| RP magnitude | 11.05 (0.002) | |||
| Pan g magnitude | 11.89 (0.05) | |||
| Pan r magnitude | 11.89 (0.1) | |||
| Pan i magnitude | 11.46 (0.01) | |||
| Pan z magnitude | 11.47 (0.001) | |||
| Pan y magnitude | 12.27 (0.001) | |||
| 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.