All names: KeplerJ18561+4319, EQ J1856.1+4319, KIC 7664467, 2MASS J18560707+4319192, TIC 164649863, Gaia DR2 2105065043456060032, Gaia DR3 2105065043456060032
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 18 56 07.10 | 18 56 07.04 (0.03) | ||
| Declination | 43 19 19.00 | 43 19 19.27 (0.03) | ||
| Spectral type | sdBV | sdB | ||
| 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] | 0.38 (0.05) | 0.44 (0.04) | |
| Distance | [pc] | 2626.05 (360) | 2278.94 (190) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.417 (0.1) | -5.277 (0.05) | |
| Proper motion (declination) | [mas/yr] | 0.049 (0.1) | 0.057 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.51 (0.1) | 16.51 (0.1) | ||
| H magnitude | 16.02 (0.2) | 16.02 (0.2) | ||
| K magnitude | 15.93 | 15.93 | ||
| u magnitude | ||||
| g magnitude | 16.53 | |||
| r magnitude | ||||
| i magnitude | 16.84 | |||
| z magnitude | ||||
| G magnitude | 16.30 (0.001) | 16.28 (0.003) | ||
| BP magnitude | 16.15 (0.006) | |||
| RP magnitude | 16.42 (0.004) | |||
| Pan g magnitude | 16.14 (0.001) | |||
| Pan r magnitude | 16.49 (0.003) | |||
| Pan i magnitude | 16.77 (0.002) | |||
| Pan z magnitude | 16.95 (0.006) | |||
| Pan y magnitude | 17.09 (0.01) | |||
| E(B-V) | 0.048 | |||
* 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.