Charles Jasper Joly

Charles Jasper Joly (27 June 1864 – 4 January 1906) was an Irish mathematician and astronomer who became Royal Astronomer of Ireland.

He was born at St.Catherine's Rectory, Hop Hill, Tullamore, Offaly, eldest of six children of Rev. John Swift Joly (1818–1887) and Elizabeth Slator. He was educated at Galway Grammar School and later at Trinity College Dublin, where he took a fellowship in 1894. He became Andrews Professor of Astronomy at Trinity College.

In 1897 he was appointed Royal Astronomer of Ireland and he took up his new position at Dunsink Observatory. He was secretary of the Royal Irish Academy and a Fellow of the Royal Astronomical Society. He was made a Fellow of the Royal Society in 1904.

He died at his Dunsink residence in 1906.

Charles Joly published his articles in Royal Irish Academy journals, generally the Transactions, but as indicated below, in Proceedings of the Royal Irish Academy in 1897, 98, and 99:

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