Henry Frères (crater)

Henry Frères is a lunar impact crater that is located in the southwestern part of the near side of the Moon. It was named after the brothers Paul Henry and Prosper Henry, French astronomers.[1] It lies just to the west-northwest of the crater Henry, a similar diameter feature. To the west-southwest of Henry Frères is the much larger crater Byrgius. Rays from the satellite crater Byrgius A lie across the floor of this formation, forming a wispy trace from west to east.

Henry Frères
Coordinates23.5°S 58.9°W / -23.5; -58.9
Diameter42 km
Depth2.0 km
Colongitude59° at sunrise
EponymPaul Henry and Prosper Henry

The outer rim of Henry Frères is nearly circular, with a slight outward bulge along the southwest. When viewed from the Earth, however, this crater has more of an oval shape due to foreshortening. There is some irregularity along the northeast, but the rim is otherwise not significantly eroded or overlain by craters of note. The western part of the interior floor has some uneven areas, and a small crater lies in the northern part of the floor.

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 Henry Frères.

Henry
Frères		 Latitude Longitude Diameter
C 24.6° S 59.7° W 37 km
E 24.6° S 60.0° W 4 km
G 22.8° S 58.0° W 4 km
H 22.3° S 56.6° W 6 km
R 21.5° S 57.8° W 7 km
S 20.5° S 56.4° W 6 km

See also

References
  1. "Henry Frères (crater)". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
  • Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097.CS1 maint: ref=harv (link)
  • Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4.CS1 maint: ref=harv (link)
  • 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.CS1 maint: ref=harv (link)
  • McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24.CS1 maint: ref=harv (link)
  • 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.CS1 maint: ref=harv (link)
  • Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6.CS1 maint: ref=harv (link)
  • Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3.CS1 maint: ref=harv (link)
  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4.CS1 maint: ref=harv (link)
  • Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3.CS1 maint: ref=harv (link)
  • Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6.CS1 maint: ref=harv (link)
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1.CS1 maint: ref=harv (link)
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