All names: WD 1047-046, PG1047-046, PG 1047-046, Gaia EDR3 3777025198226679808, GALEX J105026.8-045234, HE 1047-0436, Gaia DR2 3777025198226679808, Gaia DR3 3777025198226679808, TIC 47352092, 2MASS J10502689-0452358
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 10 50 26.89 (0.04) | 10 50 26.95 | 10 50 26.89 (0.07) | 10 50 26.90 (0.04) | 10 50 27.07 | ||
| Declination | -04 52 35.71 (0.05) | -04 52 35.66 | -04 52 35.71 (0.07) | -04 52 35.72 (0.05) | -04 52 30.72 | ||
| Spectral type | sdB+WD | sdB+D | sdB/WD | ||||
| Effective temperature | [K] | 30280.0 (500) | |||||
| log(g) | [cgs] | 5.71 (0.05) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 0.96 (0.06) | 0.74 (0.09) | 0.74 (0.09) | 0.96 (0.06) | ||
| Distance | [pc] | 1045.58 (65) | 1357.59 (165) | 1357.59 (165) | 1045.59 (65) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -13.40051308 (0.06) | -13.856 (0.1) | -13.856 (0.1) | -13.401 (0.06) | ||
| Proper motion (declination) | [mas/yr] | 0.790395498 (0.07) | 0.806 (0.1) | 0.806 (0.1) | 0.79 (0.07) | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | ||||||
| B magnitude | 14.68 | ||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 15.53 (0.06) | 15.53 (0.06) | |||||
| H magnitude | 15.64 (0.1) | 15.64 (0.1) | |||||
| K magnitude | 15.50 (0.2) | 15.50 (0.2) | |||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 14.99 (0.005) | 15.00 (0.003) | 15.00 | 14.99 (0.003) | |||
| BP magnitude | 14.86 (0.005) | 14.83 (0.01) | 14.83 | ||||
| RP magnitude | 15.26 (0.006) | 15.25 (0.01) | 15.25 | ||||
| Pan g magnitude | 14.83 (0.004) | ||||||
| Pan r magnitude | 15.21 (0.003) | ||||||
| Pan i magnitude | 15.56 (0.005) | ||||||
| Pan z magnitude | 15.84 (0.002) | ||||||
| Pan y magnitude | 16.02 (0.007) | ||||||
| E(B-V) | 0.028 | ||||||
* 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.