Autolycus

Lat: 30.7°N, Long: 1.5°E, Diam: 39 km, Depth: 3.43 km, Rükl: 12, Eratosthenian

Howard Eskildsen, Autolycus is just below center

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Maps

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Description

Description: Elger

(IAU Directions) AUTOLYCUS.--A ring-plain 23 miles in diameter, deviating considerably from circularity, E. of Archimedes, on the Mare Imbrium, or rather on that part of it termed the Palus Putredinis. Its floor, which contains an inconspicuous central mountain, is depressed some 4,000 feet below the surrounding country. With a power of 150 on a 4 5/8 achromatic, Dr. Sheldon of Macclesfield has seen two shallow crateriform depressions in the interior, one nearly central, and the other about midway between it and the N. wall. The wall is terraced within, and has a crater just below its crest on the E., which, when the opposite border is on the morning terminator, is seen as a distinct notch. Autolycus is the centre of a minor ray-system.

Description: Wikipedia

Autolycus

Additional Information

• Depth data from Kurt Fisher database
  • Westfall, 2000: 3.43 km
  • Viscardy, 1985: 3.43 km
• Depth data from (Boint 2001. Thesis. Augustana College, Sioux Falls, SD): 3.56 km.- fatastronomer
• Originally mapped as Copernican because has rays but these are compositional rays (highlands material) that have reached full optical maturity and thus it is older than Copernicus and is Eratosthenian age. Hawke et al Composition and origin of Coprnican Rays… Mappers Conference 2005.
• Included in ALPO list of bright ray craters.

Nomenclature

Autolycus of Pitane (ca. 360 BC—d. ca. 290 BC) was a Greek astronomer, mathematician, and geographer. Autolycus' surviving works include a book on spheres (called On the Moving Sphere) and another on the rising and setting of celestial bodies.

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Bibliography

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This page has been edited 13 times. The last modification was made by - AndrewMartinSFO on Nov 21, 2008 12:47 pm - afx3u2