The Cosmic Perspective (9th Edition)
The Cosmic Perspective (9th Edition)
9th Edition
ISBN: 9780134874364
Author: Jeffrey O. Bennett, Megan O. Donahue, Nicholas Schneider, Mark Voit
Publisher: PEARSON
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Chapter 6, Problem 55EAP
To determine

To Find: Diffraction limit on the angular resolution of the dish.

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a) Describe what is meant by the term Point Spread Function (PSF), explain the relationship between the PSF and the aperture (entrance pupil) of a telescope. You should refer to the ideas of diffraction and Fourier Optics in your answer. b) Determine the plate scale and theoretical resolving power at a wavelength of 380 x 10-9 m of a telescope with 2 m aperture diameter and focal length of 4m.
11:55 phys.libretexts.org Submit Both the Keck Telescope and Hubble Space Telescope (HST) observe visible light. Given a typical visible light wavelength of 500 nm, and the diameters of 10 m for Keck and 2.4 m for Hubble, which telescope do you think would have better angular resolution? Based on the equation for angular resolution, what is the resolution of Keck at 500 nm? Of HST? How can we help VIEW Submit %D
What is bandwidth in an optical instrument? How does it relate to resolution and noise in an optical instrument?

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The Cosmic Perspective (9th Edition)

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