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Search for satellites near (21) Lutetia using OSIRIS/Rosetta images
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Bertini, Ivano (author)
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Sabolo, Walter (author)
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Gutierrez, Pedro J. (author)
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Marzari, Francesco (author)
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Snodgrass, Colin (author)
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Tubiana, Cecilia (author)
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Moissl, Richard (author)
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Pajola, Maurizio (author)
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Lowry, Stephen C. (author)
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Barbieri, Cesare (author)
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Ferri, Francesca (author)
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- Davidsson, Björn (author)
- Uppsala universitet,Teoretisk astrofysik
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Sierks, Holger (author)
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(creator_code:org_t)
- Elsevier BV, 2012
- 2012
- English.
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In: Planetary and Space Science. - : Elsevier BV. - 0032-0633 .- 1873-5088. ; 66:1, s. 64-70
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- On 2010 July 10 the ESA Rosetta mission flew by the large asteroid (21) Lutetia. One of the scientific goals of the onboard OSIRIS instrument was the search for satellites of the asteroid, with more than 20 images specifically dedicated to this topic. An observational campaign was devised with a selection of filters and exposure times tailored to maximize the possibility of detecting small companions and determining their bound orbits. Data were analyzed with suitable methods to remove cosmic ray hits and known background objects, in order to search for persistent detections of potential interesting flux sources. We found no unambiguous detections of a satellite larger than similar to 160 m inside the entire sphere of gravitational influence. Our search confirmed the absence of bound companions larger than similar to 30 m inside 20 primary radii. These limits are a factor of similar to 30 smaller than the values reported so far from large ground-based telescopes using adaptive optics and from the Hubble Space Telescope.
Keyword
- Minor bodies
- Asteroid satellites
- Lutetia
- Rosetta
- OSIRIS
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Bertini, Ivano
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Sabolo, Walter
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Gutierrez, Pedro ...
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Marzari, Frances ...
-
Snodgrass, Colin
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Tubiana, Cecilia
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show more...
-
Moissl, Richard
-
Pajola, Maurizio
-
Lowry, Stephen C ...
-
Barbieri, Cesare
-
Ferri, Francesca
-
Davidsson, Björn
-
Sierks, Holger
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show less...
- Articles in the publication
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Planetary and Sp ...
- By the university
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Uppsala University