Andronicus of cyrrhus biography of martin

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Andronik, Catherine M. Andronicus Son of Meshullam. Andronicus III. Andronicus II. Andronicus I. Andronico's Market. Androcles and the Lion. Andronov, Aleksandr Aleksandrovich.

Andronicus of cyrrhus biography of martin

Ptolemy lists the declination of 18 stars as recorded by Timocharis or Aristillus in roughly the year BC. The observations by Timocharis are among the oldest Greek records that can be assigned a specific date. They are only exceeded by records of the summer solstice of BC, as noted by Euctemon and Meton. Their equipment would have been simple, most likely consisting of gnomons, sundials and an armillary sphere.

The two were contemporaries of Aristarchus of Samos, but it is unclear whether there was any association between Timocharis and Aristarchus. Hipparchus was able to deduce the period during which Timocharis made his observations based upon the records of earlier lunar eclipses. In approximately 3rd century BC, with the help of Aristillus, he created the first star catalogue in the Western world.