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Lat: 59.8°S, Long: 46.6°E, Diam: 76 km, Depth: 3.97 km, Rükl: 75

external image normal_Hagecius_LO-IV-070H_LTVT.JPG
LO-IV-070H The pair of relatively large craters overlaying the southeast rim of Hagecius are 24-km Hagecius C (left) and 34-km Hagecius B (right). In the north, Hagecius itself overlays 61-km Hagecius A.


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(LAC zone 128D1) USGS Digital Atlas PDF


Description: Elger

(IAU Directions) HAGECIUS.--The most easterly member of the Vlacq group of formations. It is situated on the S.E. of Rosenberger, and is about 50 miles in diameter. The rampart on the W. is continuous and of the normal type, but on the opposite side is broken by a number of smaller rings.

Description: Wikipedia


Additional Information


  • Named for Thaddaeus Hayek (December 1, 1525 - September 1, 1600), the personal physician of the Holy Roman Emperor Rudolph II and a Czech astronomer. He published his studies of a supernova in the constellation Cassiopeia in 1572. Hayek was in frequent scientific correspondence with the recognized astronomer Tycho Brahe and played an important role in persuading Rudolph II to invite Brahe (and later Kepler) to Prague.
  • According to Whitaker (p. 212) this name was originally introduced on Riccioli's map; however Riccioli used it to label the feature we now call Hommel. Whitaker does not explain when or how the name became associated with the present feature.

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