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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
 Fernandez
 Astronomy

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