Astronomy Hypertext_ Astronomical Coordinate Systems

Astronomy Hypertext_ Astronomical Coordinate Systems -...

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Unformatted text preview: 1/15/12 Astronomy Hypertext: Astronomical Coordinate Systems As tronom H perte t Astronomical Coordinate S stems Lat est Modif icat ion: Jul 23, 2002 T , .H , E ' , , :I , .T , .O , .A , , .S E . , , .T .P , F . , , .T . Hori on Coordinate S s te m T E T . , . , , - E : nort h, east , sout h, and .T west , 90 . I ' , .T .I E ' : .T ' ' .F . C . A i mut h .T , 180 ; physics.gmu.edu/~jevans/astr103/ vert i cal ci rcl es. T .T , 270 . Al t i t ude /earthSky_coordinateSystems.html 0; , 90 ; 1/3 1/15/12 Astronomy Hypertext: Astronomical Coordinate Systems .T +90 , , - 90 . T .A , E , .A . Equatorial Coordinate S s te m T E ' , .I .T hour ci rcl es. I , , , , . AE ( ) , .F , , .A ' . C . Decl i nat i on T T . - 90 . +90 , ri ght ascensi on vernal equi no , .T M 21, S S , ecl i pt i c. R E 360 .F , hour angl e 24 , 1 15 , .S 4, 1 ' . I .T E (P 50" E .B ), .T , ' . I , , G , physics.gmu.edu/~jevans/astr103/ /earthSky_coordinateSystems.html .T G 2/3 1/15/12 Astronomy Hypertext: Astronomical Coordinate Systems Ga a . The f e ae a i ed i he ab e be . A h gh a e a e ece a i de a e eci i b e a i , a ge e a be b ai ed i h he aid f a cha . ica c di a e edge f he ca Ast ronomi cal Coordi nat e S st ems Coordinate S s te m Hi Principal A is e i h- adi Principal Re fe re nce Circle a ica hi Coordinate s (units ) Se condar Re fe re nce Circle s Coordinate (units ) ai h (0 - 360 ) e ica ci c e a i de (+0 - 90 ) igh a ce i (0h - 24h ) h ci c e dec i a i (+0 - 90 ) ae ce e ia a i de (+0 - 90 ) ae ga ac ic a i de (+0 - 90 ) hce e ia h e Ec i ic hec i ic h e ec i ic ce e ia gi de (0 - 360 ) Ga ac ic hGa ac ic h e a e f he Ga a ga ac ic gi de (0 - 360 ) Ea ia ce e ia e a 1995, J. C. Ev ans Physics & Ast ronomy Depart ment , George Mason Univ ersit y Maint ained by J. C. Ev ans; j ev ans@gmu.edu physics.gmu.edu/~jevans/astr103/ /earthSky_coordinateSystems.html 3/3 ...
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This note was uploaded on 01/16/2012 for the course ASTR 103 taught by Professor Staff during the Spring '08 term at George Mason.

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