Occator (crater)

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Further information: Bright spots on Ceres § Spot 5
Occator
PIA20350 crop - Occator from LAMO.jpg
Occator imaged by Dawn from LAMO. Fractures are associated with the bright spots and some other areas.
Location Ceres
Coordinates Lua error in package.lua at line 80: module 'strict' not found.
Diameter 92 kilometres (57 mi)
Depth 4 km
Naming After Occator, a helper God of Ceres

Occator /ɒˈkeɪtər/ is an impact crater located on Ceres that contains "Spot 5", the brightest of the bright spots observed by the Dawn spacecraft. It was known as "Region A" in ground-based images taken by the W. M. Keck Observatory on Mauna Kea.[1]

The crater was named after Occator, the Roman god of the harrow and a helper to Ceres.[2][3]

On 9 December 2015, scientists reported that the bright spots on Ceres, including those in Occator crater, may be related to a type of salt, particularly a form of brine containing magnesium sulfate hexahydrite (MgSO4·6H2O); the spots were also found to be associated with ammonia-rich clays.[4]

Views

"Spot 5" in Occator - close-up (enhanced color; LAMO; February 2016)
File:PIA20355-Ceres-DwarfPlanet-OccatorCrater-Center-201602.jpg
Center of Occator - context (enhanced color; LAMO; February 2016)
  • Occator PIA19890.jpg
    View rendered from
    topographic data
  • Occator topograpy Dawn CERES Oct 2015.jpg
    Topographic map
    (October 2015)
  • Occator from HAMO. Composite image, so bright spot is not overexposed.
  • PIA20132-Ceres-DwarfPlanet-Dawn-3rdMapOrbit-HAMO-image69-20151018-crop.jpg
    Oblique view
    (October 2015)
  • PIA20181-Ceres-OccatorCrater-LateralView-20151209.jpg
    Lateral view
    (December 2015)
  • PIA20180-Ceres-OccatorCrater-FalseColors-20151209.jpg
    False colors
    (December 2015)
  • PIA20179-Ceres-OccatorCrater-20151209.jpg
    3D-like perspective
    (December 2015)
  • Western rim
    (January 2016)
  • Southeastern rim
    (January 2016)

Animations

Ceres flyover animations
Surface features exaggerated
(simulated; 01:15; 8 June 2015)[5]
Focus on Occator crater
(false colors; 01:12; 9 December 2015)
Flight over dwarf planet Ceres
(color; 03:43; 29 January 2016)

See also

References

  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named USGS-20150706
  3. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named USGS-20150713-pdf
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.


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