SOLAR ROTATION ELEMENTS i , AND PERIOD DETERMINED USING SUNSPOT OBSERVATIONS BY RUÐER BOŠKOVIĆ IN 1777 (CROSBI ID 704520)
Prilog sa skupa u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Husak, Mirko ; Brajša, Roman ; Špoljarić, Dragan
engleski
SOLAR ROTATION ELEMENTS i , AND PERIOD DETERMINED USING SUNSPOT OBSERVATIONS BY RUÐER BOŠKOVIĆ IN 1777
Ruđer Bošković developed methods for determination of solar rotation elements: the solar equator inclination i, the longitude of the node and the period of solar rotation. In his last work Opera pertinentia ad opticam et astronomiam, published in 1785, in the chapter Opuscule II he described his methods, the formulae with figure descriptions and an example for calculation of the solar rotation elements with detailed numerical explanation using his own observations performed in September 1777. The original numerical procedure was performed using logarithmic formulae. In present work we give a description of the original results of R. Bošković and compare them with our recalculated values.
Ruđer Bošković ; solar rotation elements ; methods
1. Contributed paper (oral presentation) at the International Advent Workshop 17th - 18th December 2020, Zagreb - Graz, Hvar Observatory, Faculty of Geodesy, University of Zagreb, Croatia and IGAM, Institute of Physics, Karl- Franzens University Graz, Austria. 2. Abstracted in Astronomy and Astrophysics Abstracts (Springer-Verlag, Berlin), Referativnyj Zhurnal (Moscow), INSPEC (Herts), ADS (Cambridge MA, USA).
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1-7.
2021.
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Central European astrophysical bulletin
Domagoj RUŽDJAK Hvar Observatory, Faculty of Geodesy, Kačićeva 26, HR-10000 Zagreb, Croatia ; ASSOCIATE EDITORS: Arnold HANSLMEIER IGAM/Institute of Physics, Univ. Graz, Universitaetsplatz 5, A-8010 Graz, Austria ; Hrvoje BOŽIĆ, Hvar Observatory, Faculty of Geodesy, Kaciceva 26, HR-10000 Zagreb.
Zagreb: Geodetski fakultet Sveučilišta u Zagrebu
1845-8319
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29.02.1904-29.02.2096