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hw7 - UCF Physics AST 5765/4762(Advanced Astronomical Data...

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UCF Physics: AST 5765/4762: (Advanced) Astronomical Data Analysis Fall 2009 Homework 7 Due Tuesday 13 October 2009 Work: Become sufficiently familiar with arrays to: 1. Know the different types of arrays and how they work. 2. Understand the systematic and random effects relevant to array data, including photon noise, dark current, bias, read noise, sky background, and flat field variations. 3. Know when and how to apply the various corrections to the systematic errors in array data. 4. Be able to calculate signal-to-noise ratios for given sets of observing parameters. Become sufficiently familiar with image corrections to: 1. Know what calibration data to acquire given the observing objectives and the sky conditions, 2. Create calibration frames appropriate to a given dataset, 3. Remove dark current, bias, background, and flat-field variations from an object frame. Resources: 1. Chapters 3 through 4.5 of Howell ( DUE before class Tuesday 6 October 2009) 2. Chapters 4.6 through 5 of Howell ( DUE before class Tuesday 13 October 2009) Introductory notes: 1. In this and the next several assignments, you will correct and make measurements from the data in /home/ast5765/data/hw7 . These are FITS files from the WIRC camera at the Palomar 5-meter telescope. Expect assignments to take 5–7 hours/week each if you understand basically what to do, and much more if you don’t. Please come to lab hours and
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