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Characterization of OSIRIS NAC filters for the interpretation of multispectral data of comet 67P/Churyumov-Gerasimenko

Oklay, N. (author)
Max Planck Inst Sonnensyst Forsch, D-37077 Gottingen, Germany.
Vincent, J. -B (author)
Sierks, H. (author)
Max Planck Inst Sonnensyst Forsch, D-37077 Gottingen, Germany.
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Besse, S. (author)
European Space Agcy, Res & Sci Support Dept, NL-2201 Noordwijk, Netherlands.
Pajola, M. (author)
Univ Padua, Ctr Studies & Act Space, CISAS G Colombo, I-35131 Padua, Italy.
Bertini, I. (author)
Univ Padua, Ctr Studies & Act Space, CISAS G Colombo, I-35131 Padua, Italy.
Rickman, Hans (author)
Uppsala universitet,Institutionen för fysik och astronomi,PAS Space Res Ctr, PL-00716 Warsaw, Poland.
La Forgia, F. (author)
Univ Padua, Dipartimento Fis & Astron Galileo Galilei, I-35122 Padua, Italy.
Barucci, A. M. (author)
Univ Paris Diderot, Univ Paris 06, Observ Paris, LESIA,CNRS, F-92195 Meudon, France.
Fornasier, S. (author)
Univ Paris Diderot, Univ Paris 06, Observ Paris, LESIA,CNRS, F-92195 Meudon, France.;Univ Paris Diderot, Sorbonne Paris Cite, F-75205 Paris 13, France.
Barbieri, C. (author)
Univ Padua, Ctr Studies & Act Space, CISAS G Colombo, I-35131 Padua, Italy.;Univ Padua, Dipartimento Fis & Astron Galileo Galilei, I-35122 Padua, Italy.
Koschny, D. (author)
European Space Agcy, Res & Sci Support Dept, NL-2201 Noordwijk, Netherlands.
Lamy, P. (author)
Aix Marseille Univ, CNRS, UMR 7326, LAM, F-13388 Marseille, France.
Rodrigo, R. (author)
ESAC, Ctr Astrobiol INTA CSIC, ESA, Madrid 28691, Spain.;Int Space Sci Inst, CH-3012 Bern, Switzerland.
Agarwal, J. (author)
Max Planck Inst Sonnensyst Forsch, D-37077 Gottingen, Germany.
A'Hearn, M. F. (author)
Univ Maryland, Dept Astron, College Pk, MD 20742 USA.
Bertaux, J. -L (author)
Cremonese, G. (author)
INAF Osservatorio Astron Padova, I-35122 Padua, Italy.
Da Deppo, V. (author)
CNR IEN UOS Padova LUXOR, I-35131 Padua, Italy.
Davidsson, Björn (author)
Uppsala universitet,Institutionen för fysik och astronomi
Debei, S. (author)
Univ Padua, Dept Ind Engn, I-35131 Padua, Italy.
De Cecco, M. (author)
Univ Trento, I-38123 Trento, Italy.
Fulle, M. (author)
INAF Osservatorio Astron Trieste, I-34014 Trieste, Italy.
Groussin, O. (author)
Aix Marseille Univ, CNRS, UMR 7326, LAM, F-13388 Marseille, France.
Gutierrez, P. J. (author)
Inst Astrofis Andalucia CSIC, Granada 18008, Spain.
Guetter, C. (author)
Max Planck Inst Sonnensyst Forsch, D-37077 Gottingen, Germany.
Hviid, S. F. (author)
Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, D-12489 Berlin, Germany.
Ip, W. -H (author)
Jorda, L. (author)
Aix Marseille Univ, CNRS, UMR 7326, LAM, F-13388 Marseille, France.
Keller, H. U. (author)
Tech Univ Carolo Wilhelmina Braunschweig, Inst Geophys & Extraterr Phys, D-38106 Braunschweig, Germany.
Knollenberg, J. (author)
Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, D-12489 Berlin, Germany.
Kramm, J. -R (author)
Kuehrt, F. (author)
Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, D-12489 Berlin, Germany.
Kueppers, M. (author)
European Space Astron Ctr ESA, Operat Dept, Madrid 28691, Spain.
Lara, L. M. (author)
Inst Astrofis Andalucia CSIC, Granada 18008, Spain.
Lazzarin, M. (author)
Univ Padua, Dipartimento Fis & Astron Galileo Galilei, I-35122 Padua, Italy.
Lopez-Moreno, J. J. (author)
Inst Astrofis Andalucia CSIC, Granada 18008, Spain.
Marzari, F. (author)
Univ Padua, Dipartimento Fis & Astron Galileo Galilei, I-35122 Padua, Italy.
Michalik, H. (author)
Tech Univ Carolo Wilhelmina Braunschweig, Inst Datentech & Kommunikat Netze, D-38106 Braunschweig, Germany.
Naletto, G. (author)
Univ Padua, Ctr Studies & Act Space, CISAS G Colombo, I-35131 Padua, Italy.;CNR IEN UOS Padova LUXOR, I-35131 Padua, Italy.;Univ Padua, Dept Informat Engn, I-35131 Padua, Italy.
Thomas, N. (author)
Univ Bern, Inst Phys, CH-3012 Bern, Switzerland.
Tubiana, C. (author)
Max Planck Inst Sonnensyst Forsch, D-37077 Gottingen, Germany.
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Max Planck Inst Sonnensyst Forsch, D-37077 Gottingen, Germany European Space Agcy, Res & Sci Support Dept, NL-2201 Noordwijk, Netherlands. (creator_code:org_t)
2015-10-30
2015
English.
In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 583
Related links:
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https://urn.kb.se/re...
https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Context. We interpret multicolor data from OSIRIS NAC for the remote-sensing exploration of comet 67P/Churyumov-Gerasimenko. Aims. We determine the most meaningful definition of color maps for the characterization of surface variegation with filters available on OSIRIS NAC. Methods. We analyzed laboratory spectra of selected minerals and olivine-pyroxene mixtures seen through OSIRIS NAC filters, with spectral methods existing in the literature: reflectance ratios, minimum band wavelength, spectral slopes, band tilt, band curvature, and visible tilt. Results. We emphasize the importance of reflectance ratios and particularly the relation of visible tilt vs. band tilt. This technique provides a reliable diagnostic of the presence of silicates. Color maps constructed by red-green-blue colors defined with the green, orange, red, IR, and Fe2O3 filters let us define regions that may significantly differ in composition.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

comets: individual: 67P/Churyumov-Gerasimenko
methods: data analysis
techniques: imaging spectroscopy

Publication and Content Type

ref (subject category)
art (subject category)

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