With your knowledge of Louisville\'s latitude and longitude, calculate the altit

Question

With your knowledge of Louisville's latitude and longitude, calculate the altitude in the sky at which the celestial equator would cross the meridian as seen by an observer in Louisville KY ______ Use the table below to complete the right-most column. Each star's approximate declination coordinate is given. With your understanding of the material from chapter S1, fill in each entry in the right-hand column with one of three possible answers: Circumpolar, not visible, or seasonal (meaning the star is visible, but not circumpolar) Explain how you determined your answers for part 2, above.

Explanation / Answer

1.The celestial equator crossing the meridian is inclined at 23.4degrees which can be sighted by the observer at Louisveille KY.

2.Star Declination Visibility

Sirius -17 circumpolar

Canopus -53 circumpolar

Arcturus 19 seasonal

Vega 39 seasonal

Polaris 89 not visible

Rigel -8 circumpolar

Alpha centuari -61 circumpolar

Betelgeuse 7 seasonal

Acherner -57 circumpolar

Mizar 56 not visible

3. The declination which are negative or present at declination very much less than -90+pi are said to be circumpolar and lie in southern pole. The positive declined ones are either seasonal as they are visible only during certain period. The ither categories are said to be not visible.

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