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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/26430
Title: 67P/C-G inner coma dust properties from 2.2 au inbound to 2.0 au outbound to the Sun
Authors: DELLA CORTE, VINCENZO 
Rotundi, Alessandra 
FULLE, Marco 
IVANOVSKI, STAVRO LAMBROV 
Green, S. F.
Rietmeijer, F. J. M.
COLANGELI, Luigi 
PALUMBO, PASQUALE 
SORDINI, Roberto 
FERRARI, MARCO 
Accolla, M.
ZAKHAROV, VLADIMIR 
MAZZOTTA EPIFANI, Elena 
Weissman, P.
Gruen, E.
Lopez-Moreno, J. J.
Rodriguez, J.
Bussoletti, E.
Crifo, J. F.
ESPOSITO, Francesca 
Lamy, P. L.
McDonnell, J. A. M.
MENNELLA, Vito 
Molina, A.
Morales, R.
Moreno, F.
PALOMBA, Ernesto 
Perrin, J. M.
Rodrigo, R.
Zarnecki, J. C.
Cosi, M.
Giovane, F.
Gustafson, B.
Ortiz, J. L.
Jeronimo, J. M.
Leese, M. R.
Herranz, M.
Liuzzi, V.
Lopez-Jimenez, A. C.
Issue Date: 2016
Journal: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 
Number: 462
First Page: S210
Abstract: GIADA (Grain Impact Analyzer and Dust Accumulator) on-board the Rosetta space probe is designed to measure the momentum, mass and speed of individual dust particles escaping the nucleus of comet 67P/Churyumov-Gerasimenko (hereafter 67P). From 2014 August to 2016 June, Rosetta escorted comet 67P during its journey around the Sun. Here, we focus on GIADA data taken between 2015 January and 2016 February which included 67P's perihelion passage. To better understand cometary activity and more specifically the presence of dust structures in cometary comae, we mapped the spatial distribution of dust density in 67P's coma. In this manner, we could track the evolution of high-density regions of coma dust and their connections with nucleus illumination conditions, namely tracking 67P's seasons. We also studied the link between dust particle speeds and their masses with respect to heliocentric distance, I.e. the level of cometary activity. This allowed us to derive a global and a local correlation of the dust particles' speed distribution with respect to the H<SUB>2</SUB>O production rate.
URI: http://hdl.handle.net/20.500.12386/26430
URL: https://academic.oup.com/mnras/article/462/Suppl_1/S210/2633387
ISSN: 0035-8711
DOI: 10.1093/mnras/stw2529
Bibcode ADS: 2016MNRAS.462S.210D
Fulltext: open
Appears in Collections:1.01 Articoli in rivista

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