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G. P. Tozzi

Researcher at INAF

Publications -  109
Citations -  4302

G. P. Tozzi is an academic researcher from INAF. The author has contributed to research in topics: Comet & Comet nucleus. The author has an hindex of 35, co-authored 109 publications receiving 3971 citations.

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The organic-rich surface of comet 67P/Churyumov-Gerasimenko as seen by VIRTIS/Rosetta

Fabrizio Capaccioni, +79 more
- 23 Jan 2015 - 
TL;DR: The VIRTIS instrument on board the Rosetta spacecraft has provided evidence of carbon-bearing compounds on the nucleus of the comet 67P/Churyumov-Gerasimenko, and no ice-rich patches are observed, indicating a generally dehydrated nature for the surface currently illuminated by the Sun.
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A Pluto-like radius and a high albedo for the dwarf planet Eris from an occultation

TL;DR: The observation of a multi-chord stellar occultation by Eris on 6 November 2010 is reported, consistent with a spherical shape for Eris, and it is anticipated that this atmosphere may periodically sublimate as Eris approaches its perihelion, at 37.8 astronomical units from the Sun.
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Deep Impact: Observations from a worldwide Earth-based campaign

Karen J. Meech, +208 more
- 14 Oct 2005 - 
TL;DR: Data show that there was new material after impact that was compositionally different from that seen before impact, and the ratio of dust mass to gas mass in the ejecta was much larger than before impact.
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TNOs are Cool: A survey of the trans-Neptunian region VIII. Combined Herschel PACS and SPIRE observations of nine bright targets at 70–500 μm

TL;DR: In this paper, the spectral energy distribution obtained with the PACS and SPIRE instruments over 6 bands (centred at 70, 100, 160, 250, 350, and 500 μm), with Spitzer-MIPS at 23.7 and 71.4 μm, and with WISE at 11.6 and 22.1 μm in the case of 10199 Chariklo, has been modelled with the NEATM thermal model in order to derive the albedo, diameter and beaming factor.