Difference between revisions of "Hansteen"

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[http://www.lpod.org/coppermine/displayimage.php?pid=351&fullsize=1 [[Image:normal_Arrowhead%20Billy%20Hansteen%20iv_149_h2%20.jpg|external image normal_Arrowhead%20Billy%20Hansteen%20iv_149_h2%20.jpg]]]<br /> ''[http://lpod.org/coppermine/displayimage.php?pos=-351 Lunar Orbiter IV image IV-149-H2]'', Hansteen Alpha aka [[Mons%20Hansteen|Mons Hansteen]] or the Arrowhead, [[Billy|Billy]] & Hansteen (upper left).<br /> <br />  
<div style="margin-left: 1em">[#Hansteen Hansteen]</div><div style="margin-left: 2em">[#Hansteen-Images Images]</div><div style="margin-left: 2em">[#Hansteen-Maps Maps]</div><div style="margin-left: 2em">[#Hansteen-Description Description]</div><div style="margin-left: 3em">[#Hansteen-Description-Elger Elger]</div><div style="margin-left: 3em">[#Hansteen-Description-Wikipedia Wikipedia]</div><div style="margin-left: 2em">[#Hansteen-Additional Information Additional Information]</div><div style="margin-left: 2em">[#Hansteen-Nomenclature Nomenclature]</div><div style="margin-left: 2em">[#Hansteen-LPOD Articles LPOD Articles]</div><div style="margin-left: 2em">[#Hansteen-Bibliography Bibliography]</div></div>[http://www.lpod.org/coppermine/displayimage.php?pid=351&fullsize=1 [[Image:normal_Arrowhead%20Billy%20Hansteen%20iv_149_h2%20.jpg|external image normal_Arrowhead%20Billy%20Hansteen%20iv_149_h2%20.jpg]]]<br /> ''[http://lpod.org/coppermine/displayimage.php?pos=-351 Lunar Orbiter IV image IV-149-H2]'', Hansteen Alpha aka [[Mons%20Hansteen|Mons Hansteen]] or the Arrowhead, [[Billy|Billy]] & Hansteen (upper left).<br /> <br />  
 
 
==Images==
 
==Images==
 
[http://www.lpod.org/coppermine/thumbnails.php?album=search&type=full&search=Hansteen LPOD Photo Gallery] [http://www.lpi.usra.edu/resources/lunar_orbiter/bin/srch_nam.shtml?Hansteen%7C0 Lunar Orbiter Images] [http://www.lpi.usra.edu/resources/apollo/search/feature/?feature=Hansteen Apollo Images]<br /> <br />  
 
[http://www.lpod.org/coppermine/thumbnails.php?album=search&type=full&search=Hansteen LPOD Photo Gallery] [http://www.lpi.usra.edu/resources/lunar_orbiter/bin/srch_nam.shtml?Hansteen%7C0 Lunar Orbiter Images] [http://www.lpi.usra.edu/resources/apollo/search/feature/?feature=Hansteen Apollo Images]<br /> <br />  
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[[Alphabetical%20Index|Named Features]] -- Prev: [[Hansen|Hansen]] -- Next: [[Mons%20Hansteen|Mons Hansteen]]<br />
 
[[Alphabetical%20Index|Named Features]] -- Prev: [[Hansen|Hansen]] -- Next: [[Mons%20Hansteen|Mons Hansteen]]<br />
 
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Revision as of 17:25, 15 April 2018

Hansteen

Lat: 11.53°S, Long: 52.01°W, Diam: 44.99 km, Depth: 1.39 km, Rükl: 40

external image normal_Arrowhead%20Billy%20Hansteen%20iv_149_h2%20.jpg
Lunar Orbiter IV image IV-149-H2, Hansteen Alpha aka Mons Hansteen or the Arrowhead, Billy & Hansteen (upper left).

Images

LPOD Photo Gallery Lunar Orbiter Images Apollo Images

Maps

(LAC zone 74C2) LAC map Geologic map

Description


Elger

(IAU Directions) HANSTEEN.--A somewhat larger ring-plain, with a lower and more irregular rampart, rising on the E. to nearly 3,000 feet above the floor, which is depressed to about the same extent as that of Billy. Both the inner and outer slopes are terraced on the W., where the glacis is traversed by a short, delicate, rill-like valley. There are some bright curved ridges on the floor. On the E. of Billy and Hansteen is a wide inlet of the Oceanus Procellarum, bounded by the Letronne region on the E., and on the S. by lofty highlands. On the surface, not far from the S.E. border of Hansteen, is a curious triangular-shaped mountain mass, with a digitated outline on the S., and including a small bright crater on its area. Between this and the ring- plain is a large but somewhat obscure depression, N. of which lies a rill-like object extending from the N. point of the triangular mountain to the E. wall. At the bottom of a gently sloping valley between Billy and Hansteen is a de
licate marking, which seems to represent a cleft connecting the two formations.

Wikipedia

Hansteen

Additional Information


Nomenclature

  • Christopher; Norwegian astronomer (1784-1873).
  • A Reiner-gamma like surface formation (a swirl) north-northwest of Hansteen (at 7 degrees South, 54 degrees West) was probably called Burrell by Wilkins, and Melloni by Schmidt.
  • Burrell-Melloni - a curious case of observation

burrell-mellonic.jpg

Left: The feature as it appears in Schmidt's map Sheet No. 19.

Middle left: As it appears in Wilkins's Map - Chart XIX.

Middle right: Annotated, Lunar Orbiter 4 LO4-H3-4156 aerial view (square shows the region in question as it is seen today - considered by Schmidt as Melloni crater and by Wilkins as Burrell crater).

Right: Annotated, Digital Elevation Model (DEM) view under low illumination using LTVT software as a projection method to show approximately the region where Burrell-Melloni was presumed seen.

Click image for larger view

  • Note: For all images, North is to bottom, East to left (taking into account the pre-1961 cardinal-point changes - see IAU Directions).
  • Clearly Schmidt and Wilkins show the feature as a well-marked crater, however, when looked for in the Mädler maps of 1837 and the Neison maps of 1876 Map 12, the feature doesn't appear (Mädler shows it as two small ridge-like or hill-like features, while nothing at all appears on Neison's). Other, more recent mappers have also commented about the feature's appearance/disappearance, which further confused matters, for example, see this 1959 Irish Astronomical Journal article by Larson Milling. - JohnMoore2 JohnMoore2 ??
  • Burrell was a contemporary English selenographer.
  • Rimae Hansteen (an unofficial name for the system of rilles on the floor of Hansteen).


LPOD Articles


Bibliography



Named Features -- Prev: Hansen -- Next: Mons Hansteen