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The relation between the synodic and sidereal rotation period of the Sun |
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| Authors: | D Ro?a R Braj?a B Vr?nak H Wöhl |
| Institution: | (1) Astronomical Obervatory, Croatian Natural Science Society, 41000 Zagreb, Croatia;(2) Hvar Observatory, Faculty of Geodesy, University of Zagreb, 41000 Zagreb, Croatia;(3) Kiepenheuer-Institut für Sonnenphysik, D-79104 Freiburg, Germany |
| Abstract: | The relation between the synodic and sidereal rotation period of the Sun for an arbitrary date of observation is derived taking into account details of the Earth's motion. The transformation procedure between the synodic (apparent) and sidereal rotation period presented here can be performed without using the annual ephemerides. |
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