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Unformatted text preview: AST 3722C - Spring 2008 Homework #3. Due before class on Feb 12. Instructions: Solve each part of each problem below. Where math is involved, and unless otherwise indicated, show your work. 1. [1 point] You want to observe Comet 17P/Holmes tonight and you look up online that its equatorial position at 9 p.m. (EST) will be = 03 h 26 m 58 . 4 s and = +39 12 19 . 7 00 (2000.0). You are also told that the comet is moving 31.9 arcsec per hour in R.A. and -12.1 arcsec per hour in Declination. Calculate the equatorial coordinates of the comet at 10 p.m. 2. [2 points] The nearest star system to the Sun is the Centauri system, which has 3 stars A, B, and C (a.k.a Proxima). A and B are easy to see, but C is pretty faint. A has equatorial coordinates (2000.0) of = 14 h 39 m 36 . 5 s and =- 60 50 02 . 3 00 . B has equatorial coordinates (2000.0) of = 14 h 39 m 35 . 1 s and =- 60 50 13 . 8 00 . (a) Given these coordinates, what was the angular separation of these stars?...
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This note was uploaded on 11/09/2009 for the course AST 4700 taught by Professor Fernandez during the Spring '09 term at University of Central Florida.
- Spring '09