eclipsing binaries
51ALGOL — /al gol, gawl/, Computers. a computer language in which information is expressed in algebraic notation and according to the rules of Boolean algebra. [1955 60; algo(rithmic) l(anguage)] * * * High level algebraic computer programming language… …
52Shapley, Harlow — born Nov. 2, 1885, Nashville, Mo., U.S. died Oct. 20, 1972, Boulder, Colo. U.S. astronomer. In 1911 he began a determination of the dimensions of the components of numerous binary stars from measurements of their light variation when they eclipse …
53Epsilon Aurigae — ▪ star system binary star system of about third magnitude having one of the longest orbital periods (27 years) among eclipsing binaries (see eclipsing variable star). It is located an estimated 2,000 light years from Earth in the… …
54BH Virginis — A/B Constelación Virgo Ascensión recta α 13h 58min 24,86s Declinación δ 01º 39’ 39,0’’ Distancia …
55V870 Arae — Constelación Ara Ascensión recta α 18h 08min 22,67s Declinación δ +56º 46’ 01,8’’ Distancia …
56VZ Librae — Constelación Libra Ascensión recta α 15h 31min 51,76s Declinación δ 15º 41’ 10,2’’ Distancia …
57Russell , Henry Norris — (1877–1957) American astronomer Russell, the son of a Presbyterian minister, was born in in Oyster Bay, New York. A brilliant scholar at Princeton, he graduated in 1897 and obtained his PhD in 1899. He spent the period 1902–05 as a research… …
58Large Magellanic Cloud — The Large Magellanic Cloud Observation data (J2000 epoch) Constellation Dorado/Mensa …
59List of stars with confirmed extrasolar planets — The following are lists of stars with confirmed extrasolar planets. Extrasolar planets were first confirmed to be orbiting pulsars PSR B1257+12 and PSR B1620 26. These discoveries were announced in 1992 and 1993 respectively. The first extrasolar …
60NGC 663 — in Cassiopeia Observation data (J2000 epoch) Right ascension 01h 46.0m …
