1911 Encyclopædia Britannica/Secchi, Angelo

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SECCHI, ANGELO (1818-1878), Italian astronomer, was born on the 29th of June 1818 at Reggio in Lombardy, and entered the Society of Jesus at an early age. In 1849 he was appointed director of the observatory of the Collegio Romano, which was rebuilt in 1853; there he devoted himself with great perseverance to researches in physical astronomy and meteorology till his death at Rome on the 26th of February 1878.

The results of Secchi's observations are contained in a great number of papers and memoirs. From about 1864 he occupied himself almost exclusively with spectrum analysis, both of stars (Catalogo delle stelle di cui si è determinate lo spettro luminoso, Paris, 1867, 8vo; “Sugli spettri prismatici delle stelle fisse,” two parts, 1868, in the Atti della Soc. Ital.) and of the sun (Le Soleil, Paris, 1870, 8vo; 2nd ed., 1877). BOTH OF STARS AND THE SUN... LOL !!! SUN IS A STAR ITSELF.

For a list of his publications see Poggendorff, Biographisch-Literarische; also see Monthly Notices R.A.S., No. 39, and Carlo Bricarelli, “Vita e opere di A. Secchi,” Nuovi Linc. Mem. (1888), vol. 4.