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  Mineralogy and temperature of crater Haulani on Ceres

Tosi, F., Carrozzo, F. G., Raponi, A., De Sanctis, M. C., Thangjam, G. S., Zambon, F., et al. (2018). Mineralogy and temperature of crater Haulani on Ceres. Meteoritics and Planetary Science, 53(9), 1902-1924. doi:10.1111/maps.13078.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-4FED-B Version Permalink: http://hdl.handle.net/21.11116/0000-0003-92C0-E
Genre: Journal Article

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Tosi, F., Author
Carrozzo, F. G., Author
Raponi, A., Author
De Sanctis, M. C. , Author
Thangjam, Guneshwar Singh1, Author              
Zambon, F., Author
Ciarniello, M., Author
Nathues, Andreas1, Author              
Capria, M. T., Author
Rognini, E., Author
Ammannito, E., Author
Hoffmann, Martin1, Author              
Krohn, K., Author
Longobardo, A., Author
Palomba, E., Author
Pieters, C. M., Author
Stephan, K., Author
Raymond, C. A., Author
Russell, C. T., Author
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              

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 Abstract: We investigate the region of crater Haulani on Ceres with an emphasis on mineralogy as inferred from data obtained by Dawn's Visible InfraRed mapping spectrometer (VIR), combined with multispectral image products from the Dawn Framing Camera (FC) so as to enable a clear correlation with specific geologic features. Haulani, which is one of the youngest craters on Ceres, exhibits a peculiar “blue” visible to near‐infrared spectral slope, and has distinct color properties as seen in multispectral composite images. In this paper, we investigate a number of spectral indices: reflectance; spectral slopes; abundance of Mg‐bearing and NH4‐bearing phyllosilicates; nature and abundance of carbonates, which are diagnostic of the overall crater mineralogy; plus a temperature map that highlights the major thermal anomaly found on Ceres. In addition, for the first time we quantify the abundances of several spectral endmembers by using VIR data obtained at the highest pixel resolution (~0.1 km). The overall picture we get from all these evidences, in particular the abundance of Na‐ and hydrous Na‐carbonates at specific locations, confirms the young age of Haulani from a mineralogical viewpoint, and suggests that the dehydration of Na‐carbonates in the anhydrous form Na2CO3 may be still ongoing.

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Language(s): eng - English
 Dates: 2019-04-042018
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1111/maps.13078
 Degree: -

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Title: Meteoritics and Planetary Science
Source Genre: Journal
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Publ. Info: Fayetteville, AR : Meteoritical Society at the University of Arkansas, Dept. of Chemistry and Biochemistry
Pages: - Volume / Issue: 53 (9) Sequence Number: - Start / End Page: 1902 - 1924 Identifier: ISSN: 1086-9379
CoNE: https://pure.mpg.de/cone/journals/resource/954925424162