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==References==
==References==
<references />
<references />
{{refbegin}}
{{Lunar crater references}}
* {{cite book
| last1 = Andersson
| first1 = L. E.
| last2 = Whitaker
| first2 = E. A.
| authorlink2 = Ewen Whitaker
| year = 1982
| title = [[NASA]] Catalogue of Lunar Nomenclature
| publisher = NASA RP-1097
| ref = harv
}}
* {{cite web
| last = Blue
| first = Jennifer
| date = July 25, 2007
| title = Gazetteer of Planetary Nomenclature
| publisher = [[United States Geological Survey|USGS]]
| url = http://planetarynames.wr.usgs.gov/
| accessdate = 2007-08-05
| ref = harv
}}
* {{cite book
| last1 = Bussey
| first1 = B.
| authorlink1 = Ben Bussey
| last2 = Spudis
| first2 = P.
| authorlink2 = Paul Spudis
| year = 2004
| title = The Clementine Atlas of the Moon
| publisher = Cambridge University Press
| location = New York
| isbn = 978-0-521-81528-4
| ref = harv
}}
* {{cite book
| last1 = Cocks
| first1 = Elijah E.
| last2 = Cocks
| first2 = Josiah C.
| year = 1995
| title = Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature
| publisher = Tudor Publishers
| isbn = 978-0-936389-27-1
| ref = harv
}}
* {{cite web
| last = McDowell
| first = Jonathan
| date = July 15, 2007
| url = http://host.planet4589.org/astro/lunar/
| title = Lunar Nomenclature
| publisher = Jonathan's Space Report
| accessdate = 2007-10-24
| ref = harv
}}
* {{cite doi | 10.1007/BF00171763 }}
* {{cite book
| first = Patrick
| last = Moore
| authorlink = Patrick Moore
| year = 2001
| title = On the Moon
| publisher = Sterling Publishing Co
| isbn = 978-0-304-35469-6
| ref = harv
}}
* {{cite book
| first = Fred W.
| last = Price
| year = 1988
| title = The Moon Observer's Handbook
| publisher = Cambridge University Press
| isbn = 978-0-521-33500-3
| ref = harv
}}
* {{cite book
| last = Rükl
| first = Antonín
| authorlink = Antonín Rükl
| year = 1990
| title = Atlas of the Moon
| publisher = Kalmbach Books
| isbn = 978-0-913135-17-4
| ref = harv
}}
* {{cite book
| last = Webb
| first = Rev. T. W.
| authorlink = Thomas William Webb
| year = 1962
| title = Celestial Objects for Common Telescopes
| edition = 6th revision
| publisher = Dover
| isbn = 978-0-486-20917-3
| ref = harv
}}
* {{cite book
| first = Ewen A.
| last = Whitaker
| authorlink = Ewen Whitaker
| year = 1999
| title = Mapping and Naming the Moon
| publisher = Cambridge University Press
| isbn = 978-0-521-62248-6
| ref = harv
}}
* {{cite book
| first = Peter T.
| last = Wlasuk
| year = 2000
| title = Observing the Moon
| publisher = Springer
| isbn = 978-1-85233-193-1
| ref = harv
}}
{{refend}}


[[Category:Impact craters on the Moon]]
[[Category:Impact craters on the Moon]]

Revision as of 00:33, 29 June 2014

Regiomontanus
Lunar Orbiter 4 image
Diameter126 × 110 km
Depth1.7 km
Colongitude2° at sunrise
EponymJohannes M. von
Königsberg

Regiomontanus is an ancient lunar impact crater located in the southern highlands region to the southeast of Mare Nubium. It is joined at the chaotic northern rim by the crater Purbach, and to the south-southeast is Walther.

Characteristics

The crater is heavily worn from impact erosion, and the rim is irregular, mountainous and distinctly oval in outline. The walls on the southern and western edges have been almost completely degraded. A prominent ridge lies off-center to the northwest, with the small crater Regiomontanus A at its summit. The crater floor is lava-flooded, and has a number of small crater impacts.

The summit crater Regiomontanus A was once considered proof of volcanic activity on the Moon. However this feature is actually an impact crater, and is offset slightly from the summit of the central peak.

Name

Regiomontanus is named after the astronomer of the same name. Like many of the craters on the Moon's near side, it was given its name by Giovanni Riccioli, whose 1651 nomenclature system has become standardized.[1] Earlier lunar cartographers had given the feature different names. Michael van Langren's 1645 map calls it "Christinae Reg. Suec." after Christina, Queen of Sweden.[2] And Johannes Hevelius grouped it with Purbach and Walther as "Mons Libanus" after Mount Lebanon.[3]

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Regiomontanus.

Regiomontanus Latitude Longitude Diameter
A 28.0° S 0.6° W 6 km
B 29.0° S 3.7° W 10 km
C 28.7° S 5.2° W 8 km
E 28.2° S 6.2° W 6 km
F 27.8° S 1.9° W 11 km
G 28.2° S 3.6° W 5 km
H 28.6° S 4.0° W 6 km
J 29.4° S 1.9° W 8 km
K 30.3° S 0.0° W 6 km
L 29.7° S 1.1° E 6 km
M 29.6° S 2.1° W 5 km
N 28.9° S 0.1° E 3 km
R 28.4° S 0.0° W 3 km
S 28.6° S 2.0° W 4 km
T 28.1° S 2.9° W 5 km
U 27.9° S 3.5° W 11 km
W 29.5° S 1.4° W 3 km
Y 30.1° S 1.6° W 5 km
Z 27.5° S 3.0° W 6 km

References

  1. ^ Ewen A. Whitaker, Mapping and Naming the Moon (Cambridge University Press, 1999), p.61.
  2. ^ Ewen A. Whitaker, Mapping and Naming the Moon (Cambridge University Press, 1999), p. 198.
  3. ^ Ewen A. Whitaker, Mapping and Naming the Moon (Cambridge University Press, 1999), p. 205.
  • Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097. {{cite book}}: Invalid |ref=harv (help)
  • Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05. {{cite web}}: Invalid |ref=harv (help)
  • Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4. {{cite book}}: Invalid |ref=harv (help)
  • Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 978-0-936389-27-1. {{cite book}}: Invalid |ref=harv (help)
  • McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24. {{cite web}}: Invalid |ref=harv (help)
  • Attention: This template ({{cite doi}}) is deprecated. To cite the publication identified by doi: 10.1007/BF00171763 , please use {{cite journal}} (if it was published in a bona fide academic journal, otherwise {{cite report}} with |doi= 10.1007/BF00171763 instead.
  • Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6. {{cite book}}: Invalid |ref=harv (help)
  • Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3. {{cite book}}: Invalid |ref=harv (help)
  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4. {{cite book}}: Invalid |ref=harv (help)
  • Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revision ed.). Dover. ISBN 978-0-486-20917-3. {{cite book}}: Invalid |ref=harv (help)
  • Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6. {{cite book}}: Invalid |ref=harv (help)
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1. {{cite book}}: Invalid |ref=harv (help)
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