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- Doppler_imaging abstract "Inhomogeneous structures on stellar surfaces, i.e. temperature differences, chemical composition or magnetic fields, create characteristic distortions in the spectral lines due to the Doppler effect. These distortions will move across spectral line profiles due to the stellar rotation. The technique to reconstruct these structures on the stellar surface is called Doppler-imaging, often based on the Maximum Entropy image reconstruction to find the stellar image. This technique gives the smoothest and simplest image that is consistent with observations.To understand the magnetic field and activity of stars, studies of the Sun are not sufficient. Therefore, studies of other stars are necessary. Periodic changes in brightness have long been observed in stars which indicate cooler or brighter starspots on the surface. These spots are larger than the ones on the Sun, covering up to 20% of the star. Spots with similar size as the ones on the Sun would hardly give rise to changes in intensity. In order to understand the magnetic field structure of a star, it is not enough to know that spots exist because their location and extent are also important.".
- Doppler_imaging wikiPageExternalLink imaging.html.
- Doppler_imaging wikiPageExternalLink 1983PASP...95..565V.
- Doppler_imaging wikiPageExternalLink 1987ApJ...321..496V.
- Doppler_imaging wikiPageExternalLink 1997akst.book.....S.
- Doppler_imaging wikiPageExternalLink 2001A%26A...379L..30K.
- Doppler_imaging wikiPageExternalLink 2002AN....323..309S.
- Doppler_imaging wikiPageExternalLink 2005LRSP....2....8B.
- Doppler_imaging wikiPageExternalLink 2005oasp.book.....G.
- Doppler_imaging wikiPageID "17242477".
- Doppler_imaging wikiPageLength "6819".
- Doppler_imaging wikiPageOutDegree "21".
- Doppler_imaging wikiPageRevisionID "664291522".
- Doppler_imaging wikiPageWikiLink Ap_and_Bp_star.
- Doppler_imaging wikiPageWikiLink Ap_and_Bp_stars.
- Doppler_imaging wikiPageWikiLink Binary_star.
- Doppler_imaging wikiPageWikiLink Category:Doppler_effects.
- Doppler_imaging wikiPageWikiLink Category:Stellar_astronomy.
- Doppler_imaging wikiPageWikiLink Doppler_effect.
- Doppler_imaging wikiPageWikiLink Eclipse.
- Doppler_imaging wikiPageWikiLink Inclination.
- Doppler_imaging wikiPageWikiLink Magnetic_field.
- Doppler_imaging wikiPageWikiLink Maximum_Entropy.
- Doppler_imaging wikiPageWikiLink Meridian_(astronomy).
- Doppler_imaging wikiPageWikiLink Orbital_inclination.
- Doppler_imaging wikiPageWikiLink Principle_of_maximum_entropy.
- Doppler_imaging wikiPageWikiLink Spectral_line.
- Doppler_imaging wikiPageWikiLink Starspot.
- Doppler_imaging wikiPageWikiLink Stellar_rotation.
- Doppler_imaging wikiPageWikiLink Steven_S._Vogt.
- Doppler_imaging wikiPageWikiLink Steven_Vogt.
- Doppler_imaging wikiPageWikiLink Sun.
- Doppler_imaging wikiPageWikiLink Wavelength.
- Doppler_imaging wikiPageWikiLink Zeeman-Doppler_imaging.
- Doppler_imaging wikiPageWikiLink Zeeman–Doppler_imaging.
- Doppler_imaging wikiPageWikiLinkText "Doppler imaging".
- Doppler_imaging wikiPageWikiLinkText "doppler imaging".
- Doppler_imaging hasPhotoCollection Doppler_imaging.
- Doppler_imaging wikiPageUsesTemplate Template:Distinguish.
- Doppler_imaging subject Category:Doppler_effects.
- Doppler_imaging subject Category:Stellar_astronomy.
- Doppler_imaging type Astrophysic.
- Doppler_imaging type Effect.
- Doppler_imaging type Mechanic.
- Doppler_imaging type Sub-discipline.
- Doppler_imaging type Thing.
- Doppler_imaging comment "Inhomogeneous structures on stellar surfaces, i.e. temperature differences, chemical composition or magnetic fields, create characteristic distortions in the spectral lines due to the Doppler effect. These distortions will move across spectral line profiles due to the stellar rotation. The technique to reconstruct these structures on the stellar surface is called Doppler-imaging, often based on the Maximum Entropy image reconstruction to find the stellar image.".
- Doppler_imaging label "Doppler imaging".
- Doppler_imaging differentFrom Medical_ultrasound.
- Doppler_imaging sameAs m.043r6w9.
- Doppler_imaging sameAs Q5297353.
- Doppler_imaging sameAs Q5297353.
- Doppler_imaging wasDerivedFrom Doppler_imaging?oldid=664291522.
- Doppler_imaging isPrimaryTopicOf Doppler_imaging.