Difference between revisions of "Arago Domes"
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Revision as of 19:09, 11 April 2018
Contents
Arago Domes
([/Mons discontinued] IAU names)
|
Arago Alpha: Lat: 7.6°N, Long: 21.6°E, Diam: 24 km, Height: 0.33 km, [/R%C3%BCkl%2035 Rükl: 35] |
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Arago Beta: Lat: 6.1°N, Long: 20.0°E, Diam: 23 km, Height: 0.27 km, [/R%C3%BCkl%2035 Rükl: 35] |
Table of Contents
[#Arago Domes Arago Domes]
[#Arago Domes-Images Images]
[#Arago Domes-Topo Profiles Topo Profiles]
[#Arago Domes-Maps Maps]
[#Arago Domes-Description Description]
[#Arago Domes-Description: Elger Description: Elger]
[#Arago Domes-Description: Elger-Description: Wikipedia Description: Wikipedia]
[#Arago Domes-Additional Information Additional Information]
[#Arago Domes-Nomenclature Nomenclature]
[#Arago Domes-LPOD Articles LPOD Articles]
[#Arago Domes-Lunar 100 Lunar 100]
[#Arago Domes-Bibliography Bibliography]
George Tarsoudis
Images
LPOD|Photo Gallery images Lunar Orbiter Images
- Arago Beta was very vaguely captured on Lunar Orbiter IV's photograph LOIV-85-H1. See the upper left corner of the Hi-Res scan of that photograph.- DannyCaes DannyCaes May 2, 2010
Topo Profiles
From LOLA Altimetry - see LPOD for details
Arago Alpha - W-E profile
Arago Beta- W-E profile
Arago Beta - S-N profile
Maps
([/LAC%20zone LAC zone] 60C1) LAC map Geologic map LM map AIC map -- alpha AIC map -- beta
Description
Description: Elger
([/IAU%20Directions IAU Directions]) There are two curious circular protuberances on the Mare W. of [/Arago Arago], which are well seen when the E. longitude of the morning terminator is about 19 deg., and a long cleft, passing about midway between them, and extending from the foot of the W. wall to a small crater on the edge of the Mare near [/Sosigenes Sosigenes].
Description: Wikipedia
Additional Information
- The positions of the domes listed in the title lines are based on [/LTVT LTVT] measurements of an Earth-based photo by Paolo Lazzarotti registered to the 1994 [/ULCN ULCN]. The height estimates are from the most recent [/GLR GLR] Lunar Dome Catalog (see below). The shadow cast by Arago Alpha in [/Consolidated%20Lunar%20Atlas Consolidated Lunar Atlas] plate D5 gives a height of ~300 m, in reasonable agreement with the GLR value. - JimMosher JimMosher
- In his 1964 Dome Catalog, Brungart listed Arago Alpha as "Arago 2", assigning it an "order of magnitude" height of 700 m, and listed Arago Beta as "Arago 1", assigning it a height of 800 m
- The [/domes 2005 GLR Lunar Dome Catalog] agrees with the title line on the diameters, but gives the heights of Arago Alpha and Beta (which, like Brungart, it lists as Arago 2 and 1) as 150 m and 800 m, respectively. This appears to be an underestimate for Alpha and a considerable overestimate for Beta. The origin of the 150 m height for Arago Alpha is unclear.
- A 2005 article by Lena et al. (see Bibliography, below), appearing simultaneously with the announcement of the 2005 GLR Lunar Dome Catalog, gives height estimates based on shape-from-shading/photoinclinometry of 330+/-30 m and 270+/-30 m.
- These numbers are repeated in the 2006 Icarus article by the same group (see below), where the features are assigned the new names "A2" (Arago Alpha) and "A3" (Arago Beta).
- The current GLR Consolidated Lunar Dome Catalogue reproduces the information from the Icarus article, giving the heights as 330 m (A2 = Arago Alpha) and 270 m (A3 = Arago Beta).
- North-northwest of the large dome Arago Alpha is (or should be) the impact location of Ranger 6, which was an unsuccessful attempt to make close-up photographs of the moon while the probe descended toward the lunar surface.
The exact coordinates of Ranger 6's impact location are: 9°24' North/ 21°30' East.
Note that chart 35 of Antonin Rukl's Atlas of the Moon doesn't show the location of Ranger 6.
Additional research Danny Caes
Nomenclature
- Named for nearby crater. ([/Arago Arago])
- Alpha and Beta are Greek-letter designations for lunar peaks, no longer recognized by the [/Mons IAU]
LPOD Articles
Something for everyone
Edgy
May Day Dome
Domical Profiles
Lunar 100
[/Lunar%20100 L32]: Volcanic domes.
Bibliography
- Hill, Harold. [/A%20Portfolio%20of%20Lunar%20Drawings A Portfolio of Lunar Drawings], pages 10, 11.
- Raffaello Lena, Christian Wöhler, Zac Pujic, Jim Phillips, Paolo Lazzarotti and Maria Teresa Bregante (GLR group). (2005) An Unlisted Dome Near Crater Arago. The Lunar Observer. August 2005 issue (PDF).
- Wöhler, Christian; Lena, Raffaello; Lazzarotti, Paolo; Phillips, Jim; Wirths, Michael; Pujic, Zac; Geologic Lunar Research (GLR) Group. (2006) A combined spectrophotometric and morphometric study of the lunar mare dome fields near Cauchy, Arago, Hortensius and Milichius. Icarus, Volume 183, Issue 2, p. 237-264. (free reprint)
This page has been edited 1 times. The last modification was made by - tychocrater tychocrater on Jun 13, 2009 3:24 pm - mfx2
