Dust-to-Gas and Refractory-to-Ice Mass Ratios of Comet 67P/Churyumov-Gerasimenko from Rosetta Observations-Reference-Cited by-同舟云学术

Dust-to-Gas and Refractory-to-Ice Mass Ratios of Comet 67P/Churyumov-Gerasimenko from Rosetta Observations

Published:2020-04 Issue:3 Volume:216 Page:
ISSN:0038-6308
Container-title:Space Science Reviews
language:en
Short-container-title:Space Sci Rev

Author:

Choukroun Mathieu,Altwegg Kathrin,Kührt Ekkehard,Biver Nicolas,Bockelée-Morvan Dominique,Drążkowska Joanna,Hérique Alain,Hilchenbach Martin,Marschall Raphael,Pätzold Martin,Taylor Matthew G. G. T.,Thomas Nicolas

Abstract

AbstractThis chapter reviews the estimates of the dust-to-gas and refractory-to-ice mass ratios derived from Rosetta measurements in the lost materials and the nucleus of 67P/Churyumov-Gerasimenko, respectively. First, the measurements by Rosetta instruments are described, as well as relevant characteristics of 67P. The complex picture of the activity of 67P, with its extreme North-South seasonal asymmetry, is presented. Individual estimates of the dust-to-gas and refractory-to-ice mass ratios are then presented and compared, showing wide ranges of plausible values. Rosetta’s wealth of information suggests that estimates of the dust-to-gas mass ratio made in cometary comae at a single point in time may not be fully representative of the refractory-to-ice mass ratio within the cometary nuclei being observed.

Publisher

Springer Science and Business Media LLC

Subject

Space and Planetary Science,Astronomy and Astrophysics

Link

http://link.springer.com/content/pdf/10.1007/s11214-020-00662-1.pdf

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