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Bečvář (crater)

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Coordinates:2°54′S124°30′E / 2.9°S 124.5°E /-2.9; 124.5

From Wikipedia, the free encyclopedia

Lunar impact crater

Feature on the moon

Bečvář
Oblique view of Bečvář fromApollo 17, facing north. Bečvář X is at top near center, Bečvář Q is below left of center, and Bečvář J is partially visible in lower right.
Coordinates	2°54′S124°30′E / 2.9°S 124.5°E /-2.9; 124.5
Diameter	67 km
Depth	Unknown
Colongitude	236° at sunrise
Eponym	Antonín Bečvář

Oblique view centered on Bečvář and showing the 200-km-diameter crater spanning the image

Bečvář (Czech pronunciation:[ˈbɛtʃvaːr̝̊]) is alunar impact crater that is located near the equator on thefar side of the Moon. It lies to the northeast of the craterNecho, within that feature'sray system. To the north-northeast is the craterGregory.

This is a worn, eroded crater system with a few tiny craterlets lying across the floor and rim. A double-crater formation occupies the southwestern rim, with Bečvář Q forming the northwestern member of this pair. The crater Bečvář X is attached to the northern rim.

The crater was named after Czechoslovakian astronomerAntonín Bečvář by theIAU in 1970.^[1] The crater was known asCrater 283 prior to naming.^[2]

Bečvář lies at the center of an unnamed, highly subdued, 200-km-diameter crater which was originally discovered during theApollo 16 mission and reported byFarouk El-Baz. The nameNecho was proposed for the crater, but the name was eventually adopted for the small, bright-rayedcrater along the south margin of the unnamed crater.^[3]

Satellite craters

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

Bečvář	Latitude	Longitude	Diameter
D	1.5° S	126.5° E	15 km
E	2.0° S	127.8° E	15 km
J	3.6° S	126.6° E	45 km
Q	2.9° S	124.0° E	28 km
S	3.0° S	121.1° E	14 km
T	1.8° S	121.9° E	27 km
X	0.6° S	124.2° E	26 km

References

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^Bečvář, Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)
^Lunar Farside Chart (LFC-1A)
^Apollo 16 Preliminary Science Report (NASA SP-315), 1972, Chapter 29, Part H:Discovery of Two Lunar Features[1]

Andersson, L. E.;Whitaker, E. A. (1982).NASA Catalogue of Lunar Nomenclature. NASA RP-1097.
Bussey, B.;Spudis, P. (2004).The Clementine Atlas of the Moon. New York:Cambridge University Press.ISBN 978-0-521-81528-4.
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.
McDowell, Jonathan (July 15, 2007)."Lunar Nomenclature".Jonathan's Space Report. Retrieved2007-10-24.
Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU".Space Science Reviews.12 (2):136–186.Bibcode:1971SSRv...12..136M.doi:10.1007/BF00171763.S2CID 122125855.
Moore, Patrick (2001).On the Moon.Sterling Publishing Co.ISBN 978-0-304-35469-6.
Price, Fred W. (1988).The Moon Observer's Handbook. Cambridge University Press.ISBN 978-0-521-33500-3.
Rükl, Antonín (1990).Atlas of the Moon.Kalmbach Books.ISBN 978-0-913135-17-4.
Webb, Rev. T. W. (1962).Celestial Objects for Common Telescopes (6th revised ed.). Dover.ISBN 978-0-486-20917-3.{{cite book}}:ISBN / Date incompatibility (help)
Whitaker, Ewen A. (1999).Mapping and Naming the Moon. Cambridge University Press.ISBN 978-0-521-62248-6.
Wlasuk, Peter T. (2000).Observing the Moon. Springer.ISBN 978-1-85233-193-1.

External links

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Wikimedia Commons has media related toBečvář (crater).

Bečvář at The Moon Wiki

v t e Craters on the Moon: A–B
A	Abbe Abbot Abel Abenezra Abetti Abul Wafa Abulfeda Acosta Adams Aepinus Agatharchides Agrippa Airy Aitken Akis Alan Al-Bakri Albategnius Albert Al-Biruni Alden Alder Aldrin Alekhin Alexander Alfraganus Alhazen Aliacensis Al-Khwarizmi Almanon Al-Marrakushi Aloha Alpetragius Alphonsus Alter Ameghino Amici Ammonius Amontons Amundsen Anaxagoras Anaximander Anaximenes Anděl Anders Anderson Andersson Andronov Ango Angström Ann Annegrit Ansgarius Antoniadi Anuchin Anville Apianus Apollo Apollonius Appleton Arago Aratus Archimedes Archytas Argelander Ariadaeus Aristarchus Aristillus Aristoteles Armiński Armstrong Arnold Arrhenius Artamonov Artemʹev Artemis Artsimovich Aryabhata Arzachel Asada Asclepi Ashbrook Aston Atlas Atwood Autolycus Auwers Auzout Avery Avicenna Avogadro Azophi
B	Baade Babakin Babbage Babcock Back Backlund Baco Baillaud Bailly Baily Balandin Balboa Baldet Ball Balmer Banachiewicz Bancroft Banting Barbier Barkla Barnard Barocius Barringer Barrow Bartels Bawa Bayer Beals Beaumont Becquerel Bečvář Beer Behaim Beijerinck Beketov Béla Belʹkovich Bell Bellinsgauzen Bellot Belopolʹskiy Belyaev Benedict Bergman Bergstrand Berkner Berlage Bernoulli Berosus Berzelius Bessarion Bessel Bettinus Bhabha Bianchini Biela Bilharz Billy Bingham Biot Birkeland Birkhoff Birmingham Birt Bjerknes Black Blackett Blagg Blancanus Blanchard Blanchinus Blazhko Bliss Bobillier Bobone Bode Boethius Boguslawsky Bohnenberger Bohr Bok Boltzmann Bolyai Bombelli Bondarenko Bonpland Boole Borda Borel Boris Borman Born Borya Bosch Boscovich Bose Boss Bouguer Boussingault Bowditch Bowen Boyle Brackett Bragg Brashear Braude Brayley Bredikhin Breislak Brenner Brewster Brianchon Bridgman Briggs Brisbane Bronk Brouwer Brown Bruce Brunner Buch Buffon Buisson Bullialdus Bunsen Burckhardt Bürg Burnham Büsching Butlerov Buys-Ballot Byrd Byrgius

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