observational techniques meeting #2
DESCRIPTION
Observational techniques meeting #2. Good use for diffraction: exoplanets. Good use for diffraction: exoplanets. Chromatic aberration. Spherical aberration. Parabolic. Spherical. Coma. Astigmatism. (e.g., Hale telescope). Field curvature. (e.g., Oschin Schmidt telescope). - PowerPoint PPT PresentationTRANSCRIPT
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Observational techniquesmeeting #2
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Good use for diffraction: exoplanets
![Page 3: Observational techniques meeting #2](https://reader036.vdocuments.net/reader036/viewer/2022081505/56816415550346895dd5ca03/html5/thumbnails/3.jpg)
Good use for diffraction: exoplanets
![Page 4: Observational techniques meeting #2](https://reader036.vdocuments.net/reader036/viewer/2022081505/56816415550346895dd5ca03/html5/thumbnails/4.jpg)
Chromatic aberration
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Spherical aberration
Parabolic
Spherical
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Coma
![Page 7: Observational techniques meeting #2](https://reader036.vdocuments.net/reader036/viewer/2022081505/56816415550346895dd5ca03/html5/thumbnails/7.jpg)
Astigmatism
(e.g., Hale telescope)
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Field curvature
(e.g., Oschin Schmidt telescope)
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Distortion
Barrel Pincushion
Keck NIRC
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Telescopes
Galilean (refracting)
40” refractor at Yerkes Obs.
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Telescopes: Cassegrain
Ritchey-Cretien: Wise, HST, VLT …
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Interlude: mounts
Equatorial
Alt-az
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Telescopes: Coude
Naysmith
Coude
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Telescopes: Schmidt
Schmidt Cassegrain
Schmidt (e.g., PTF)
Maksutov
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End