Diophantus (moon crater)
| Diophantus | ||
|---|---|---|
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| Diophantus and Delisle ( LROC -WAC) | ||
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| position | 27.61 ° N , 34.3 ° W | |
| diameter | 18 km | |
| depth | 3020 m | |
| Card sheet | 39 (PDF) | |
| Named after | Diophant of Alexandria | |
| Named since | 1935 | |
| Unless otherwise stated, the information comes from the entry in the IAU / USGS database | ||
Diophantus is an impact crater on the northwestern front of the moon , on the western edge of the Mare Imbrium . It is south of Delisle and northwest of Euler .
| Letter | position | diameter | link |
|---|---|---|---|
| B. | 29.08 ° N , 32.54 ° W | 6 km | [1] |
| C. | 27.28 ° N , 34.75 ° W | 5 km | [2] |
| D. | 26.89 ° N , 36.39 ° W | 4 km | [3] |
The crater was officially named by the IAU in 1935 after the Greek mathematician Diophant of Alexandria .
To the north and northeast of Diophantus are the four small craters Samir , Louise , Isabel and Walter . The name of this crater was not originally intended to be official. It was together with other unofficial designations smaller surface structures from the Topophotomap -Kartenserie of NASA by the IAU adopted 1976th They appear with this name on Topophotomap 39B2 / S1 (Samir) .
The names themselves appear in a list of male and female first names intended as crater names in the Proceedings of the 16th General Assembly of the IAU (Grenoble 1976).
| Surname | position | diameter | link |
|---|---|---|---|
| Samir | 28.48 ° N , 34.3 ° W | 2 km | [4] |
| Louise | 28.46 ° N , 34.21 ° W | 640 m | [5] |
| Isabel | 28.16 ° N , 34.08 ° W | 1 km | [6] |
| Walter | 28.02 ° N , 33.82 ° W | 1 km | [7] |
Web links
- Diophantus in the Gazetteer of Planetary Nomenclature of the IAU (WGPSN) / USGS
- Diophantus on The-Moon Wiki
Individual evidence
- ^ John E. Westfall: Atlas of the Lunar Terminator. Cambridge University Press, Cambridge et al. 2000, ISBN 0-521-59002-7 .
- ↑ Topophotomap 39B2 / S1
- ↑ Excerpt from Transactions of the IAU Vol. XVIB, Ed. By D. Riedel, 1977