Carlos Ulrrico Cesco (died 1987) was an Argentine astronomer. He lived most of his life in San Juan, Argentina. He was a well-known discoverer of minor planets credited by the Minor Planet Center (MPC) with the discovery of 19 numbered minor planets.
His older brother, Ronaldo P. Cesco, was a mathematician and celestial mechanician and director of the La Plata Observatory. They both studied at the Universidad de la Plata.
Legacy + Asteroids discovered: 19 1770 Schlesinger May 10, 1967 1829 Dawson May 6, 1967 1867 Deiphobus March 3, 1971 1917 Cuyo January 1, 1968 1919 Clemence September 16, 1971 1920 Sarmiento November 11, 1971 1958 Chandra September 24, 1970 1991 Darwin May 6, 1967 2308 Schilt May 6, 1967 2399 Terradas June 17, 1971 2504 Gaviola May 6, 1967 3833 Calingasta September 27, 1971 5299 Bittesini June 8, 1969 5757 Tichá May 6, 1967 8127 Beuf April 27, 1967 8128 Nicomachus May 6, 1967 10450 Girard May 6, 1967 11437 Cardalda September 16, 1971 April 9, 1969 with A. R. Klemola, with A. G. Samuel, with J. Gibson The Carlos Ulrico Cesco Observatory is named after him (formerly known as the Félix Aguilar Observatory).
The outer main-belt asteroid 1571 Cesco, discovered by Miguel Itzigsohn at La Plata Observatory in 1950, was named after Carlos and Ronaldo Cesco. The official naming citation was published by the MPC on 6 June 1982 ().
References