All names: WISE J094054.40+363511.7, Gaia DR3 798187240665539328, WISEA J094054.39+363511.5, GALEXJ09409+3635, TIC 17191904, GALEX J094054.5+363511, SDSS J094054.40+363511.4, 2MASS J09405439+3635115, UCAC2 44661021, SDSS J094054.39+363511.4, UCAC4 633-046146, Gaia DR2 798187240665539328
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 40 54.53 | 09 40 54.40 (0.02) | ||
| Declination | 36 35 11.70 | 36 35 11.46 (0.01) | ||
| Spectral type | sdB+F | sdB+F | ||
| 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] | 0.91 (0.06) | 0.96 (0.02) | |
| Distance | [pc] | 1099.02 (68) | 1036.27 (26) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.79 (0.07) | -1.889 (0.02) | |
| Proper motion (declination) | [mas/yr] | 3.642 (0.07) | 3.697 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.88 (0.01) | |||
| V magnitude | 12.63 (0.01) | |||
| R magnitude | 12.73 (0.04) | |||
| I magnitude | ||||
| J magnitude | 12.12 (0.02) | 12.12 (0.02) | ||
| H magnitude | 12.03 (0.02) | 12.03 (0.02) | ||
| K magnitude | 12.02 (0.02) | 12.02 (0.02) | ||
| u magnitude | 14.89 (0.007) | |||
| g magnitude | 12.72 (0.01) | |||
| r magnitude | 12.63 (0.01) | |||
| i magnitude | 12.81 (0.001) | 12.66 (0.01) | ||
| z magnitude | 13.81 (0.008) | |||
| G magnitude | 12.64 (0.0004) | 12.62 (0.003) | ||
| BP magnitude | 12.74 (0.003) | |||
| RP magnitude | 12.41 (0.002) | |||
| Pan g magnitude | 12.73 (0.001) | |||
| Pan r magnitude | 12.91 (0.1) | |||
| Pan i magnitude | 13.35 (0.009) | |||
| Pan z magnitude | 12.84 (0.03) | |||
| Pan y magnitude | 12.87 (0.003) | |||
| 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.