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| Zeeman-Doppler Imaging× | Rotációs görbe analízis× | |
|---|---|---|
| Tudományterület | Csillagászat | Csillagászat |
| Módszercsalád | Process / pipeline | Process / pipeline |
| Keletkezés éve≠ | 1997 | 1970 |
| Megalkotó≠ | Jean-Francois Donati | Vera Rubin |
| Típus≠ | Observational spectroscopic method | Observational kinematic method |
| Alapmű≠ | Donati, J. F., Semel, M., Carter, B. D., Rees, D. E., & Collier Cameron, A. (1997). Spectropolarimetric observations of active stars. Monthly Notices of the Royal Astronomical Society, 291(4), 658-682. DOI ↗ | Vera C. Rubin & W. Kent Ford Jr. (1970). Rotation of the Andromeda Nebula from a Spectroscopic Survey of Emission Regions. Astrophysical Journal, 159, 379-403. DOI ↗ |
| Alternatív nevek | ZDI, Doppler Imaging, Magnetic Field Mapping | Galactic Rotation Curves, Rotation Curve Method, Velocity Curve Analysis |
| Kapcsolódó | 3 | 3 |
| Összefoglaló≠ | Zeeman-Doppler imaging is a technique for reconstructing stellar magnetic field maps by combining Doppler broadening of spectral lines with the Zeeman splitting caused by magnetic fields. Pioneered by Jean-Francois Donati in the 1990s, this method reveals how magnetic fields are distributed on stellar surfaces and how they evolve with time. | Galaxy rotation curve analysis is the technique of measuring how orbital velocities change with distance from the center of a galaxy. Pioneered by Vera Rubin and W. Kent Ford Jr. in 1970, rotation curves revealed one of astronomy's great mysteries: galaxies rotate too fast to be held together by their visible stars alone, providing direct evidence for dark matter. |
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