Book Title: Astronomy and Cosmology Author(s): L C Jain Publisher: Rajasthan Prakrit Bharti Sansthan JaipurPage 29
________________ INDEX OF THE DIAGRAM O SENW Observer horizon, with south, east, north, west as cardinal points at S, E, N, W. Zenith nadir ZEZ' PZQP NÊ NAAM Ô d m prime vertical east celestial meridian north celestial pole south celestial pole celestial equator QERW Gop PN (celestial ) ecliptic (path of the sun along zodiac) G altitude of pole star or latitude of the place. pole of the ecliptic first point of Libra Equinoctial points first point of Aries ) solstitial points star, with its path Co-D, declination circle. Secondary to celestial equator or hour circle. Secondary to ecliptic altitude of star o zenith distance of star o declination of star o Poo'p & Eb Ab NON Ꮋ to 9 9 . ZP 360° minus the hour angle of star o Flor FaQ obliquity of ecliptic (2310) Ho celestial latitude of star o p FH celestial longitude of staro op Qo' right ascension of star o point of culmination of star o point of intersection of hour circle with horizon. 10. Jain Education International For Private & Personal Use Only www.jainelibrary.orgPage Navigation
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