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Observational techniques meeting #2

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).

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Observational techniques meeting #2

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  1. Observational techniquesmeeting #2

  2. Good use for diffraction: exoplanets

  3. Good use for diffraction: exoplanets

  4. Chromatic aberration

  5. Spherical aberration Parabolic Spherical

  6. Coma

  7. Astigmatism (e.g., Hale telescope)

  8. Field curvature (e.g., Oschin Schmidt telescope)

  9. Distortion Barrel Pincushion Keck NIRC

  10. Reflection and transmission

  11. Telescopes Galilean (refracting) 40” refractor at Yerkes Obs.

  12. Telescopes: newtonean

  13. Telescopes: Cassgrain

  14. Telescopes: Cassegrain Ritchey-Cretien: Wise, HST, VLT …

  15. Interlude: mounts Equatorial Alt-az

  16. Telescopes: Coude Coude Naysmith

  17. Telescopes: prime focus

  18. Telescopes: Schmidt Schmidt Cassegrain Maksutov Schmidt (e.g., PTF)

  19. End

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