250 GLOSSARY Vartamānaguna (वर्तमानगुण) The present (or current) Rsine- difference, i.e., the Rsine- difference of the element- ary are occupied by a planet. Varşapa (a) The lord of the year, i.e., the planet after whose name the first day of the bears its name. year Valana () Deflection. Val- ana relates to an eclipsed body. It is the angle subten- ded at the body by the are joining the north point of the celestial horizon and the north pole of the eclip- tic. Valana is generally divided into two compon- ents, (i) Akşavalana and (ii) Ayanavalana. The Akşa- valana is the angle subten- ded at the body by the arc joining the north point of the celestial horizon and the north pole of the equ- ator. The Ayanavalana is the angle subtended at the body by the arc joining the north poles of the equator and the ecliptic. The Valana is also defined as follows: The great cle of which the eclipsed body is the pole is called the hori- zon of the eclipsed body. Suppose that the prime vertical, equator, and the ecliptic intersect the horizon of the eclipsed body at the points A, B and C towards the east of the eclipsed body. Then arc AB is called the Aksavalana, arc BC is called the Ayana- valana and arc AC is called Valana. Valana is also called spasta- valana. Vasu (a) Eight. Vahni (af) Three. Varun (areºît) West. Vi (fa) Celestial latitude. Evi- dently, Vi is an abbre- viated form of vikṣepa. Vikala (fr) Second of arc. Vikastha (fr) The are of celestial latitude. Vikṣipti (fafafa) Celestial lati- tude. Vikṣepa (fata) Celestial lati- tude. Vikṣepajya (faqar) The Rsine of celestial latitude. Vikṣepamsa (fata) The deg- rees of celestial latitude.
