C. Ragoonatha Charry and variable star astronomy

Abstract

C. Ragoonatha Charry, the First Assistant at Madras Observatory from 1864 to 1880, was not only a noted Indian observational astronomer but also someone who emphasized the need for incorporating modern observationally-based improvements into the traditional Indian methods of astronomical calculations. He was one of the first to argue for the establishment of an independent modern Indian observatory for education and training. He is credited with the discovery of two variable stars, R Reticuli and one whose identity is now the subject of debate. In this paper we provide background information about Ragoonatha Charry and his work at the Madras Observatory, and then discuss his variable star discoveries.