Carpenter

Lat: 69.4°N, Long: 50.9°W, Diam: 59 km, Depth: 4.17 km, [/R%C3%BCkl%202 Rükl: 2], [/Stratigraphy Eratostenian]

Depth data from [/Kurt%20Fisher%20crater%20depths Kurt Fisher database]
- Westfall, 2000: 4.17 km
- Viscardy, 1985: 2.6 km
- Cherrington, 1969: 3.1 km
Based on the shadows in LO-IV-176H, [/LTVT LTVT] estimates an eastern rim height of up to 4,800 m. - JimMosher JimMosher
Measures on LRO QuickMap give depth about 4.2 km
Central peak height
- Based on the shadows in LO-IV-176H, [/LTVT LTVT] estimates central peak heights of 650-800 (western peak) and 980 m (eastern peak). - JimMosher JimMosher
Measures on LRO QuickMap give max central peak height about 1 km
- [/Sekiguchi%2C%201972 Sekiguchi, 1972]: 1.0 km "A large mountain block on which several peaks are perceived"
  - 0.5 km "According to photographs of the Lunar Orbiter IV, there is another small mountain behind [the central peak] which is not visible from the earth." - fatastronomer fatastronomer
Included in [/ALPO%20list%20of%20bright%20ray%20craters ALPO list of bright ray craters]
Stratigraphy changed from Copernican to Eratostenian based on Galileo data and crater counts (McEwen et al, 1993)
TSI = 35, CPI = 25, FI = 20; MI =80 [/Smith%20and%20Sanchez%2C%201973 Smith and Sanchez, 1973]
90-98% anorthosite in central peak, and 0.2 to 0.4 Maturity Index (not mature) [/Ohtake%20and%20others%2C%202009 Ohtake and others, 2009]

Nomenclature

The name of this crater honors two men:
- James Carpenter (1840-1899), a British astronomer
- Edwin Francis Carpenter (1898-1963), an American astronomer.
According to Mary Blagg's [/Collated%20List Collated List] (1913), this crater was known to her three authorities as [/Anaximander Anaximander] b (catalog number 1692). The modern name that was adopted by the IAU in its original [/Named%20Lunar%20Formations Named Lunar Formations] (1935 -- apparently honoring James Carpenter), was introduced on a lunar map published by [/Gaudibert Gaudibert] and Fenet in 1887 ([/Whitaker Whitaker], p. 150). - JimMosher JimMosher
E. F. Carpenter was added as a second honoree in 1985 ([/IAU%20Transactions%20XIXB IAU Transactions XIXB]). (He was professor of Astronomy at Univ of Az when I became an undergraduate there - he allowed me to use the small telescopes for observing!) - tychocrater tychocrater Sep 13, 2009
Maybe we could add Malcolm Scott Carpenter too (1925-2013); American test pilot, astronaut, and aquanaut. Second American in orbit around earth, after John Glenn. - DannyCaes DannyCaes Oct 25, 2014

This page has been edited 1 times. The last modification was made by - tychocrater tychocrater on Jun 13, 2009 3:24 pm - afx3u2