Imaging polarimetry of Comet 9P/Tempel before and after the Deep Impact

Furusho, Reiko; Ikeda, Yuji; Kinoshita, Daisuke; Ip, Wing-Huen; Kawakita, Hideyo; Kasuga, Toshihiro; Sato, Yusuke; Lin, H. M.; Chang, Ming-Shin; Lin, Zhong-Yi; Watanabe, J.

doi:10.1016/j.icarus.2007.03.040

Cited by 4 publications

(2 citation statements)

References 11 publications

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“…Outbursts in activity of cometary nuclei (seldom observed remotely), as well as partial fragmentation and total disintegration of nuclei, and even induced impacts (from Deep Impact mission), have been noticed to lead often to an increase in polarization within the coma Furusho et al 2007). It may be speculated that such events triggered the ejection of dust particles stored deep enough inside the nucleus to present slightly different dust properties.…”

Section: Past Remote Observations Of Dust In Comae Tails and Trailsmentioning

confidence: 99%

Cometary Dust

et al. 2018

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This review presents our understanding of cometary dust at the end of 2017. For decades, insight about the dust ejected by nuclei of comets had stemmed from remote observations from Earth or Earth's orbit, and from flybys, including the samples of dust returned to Earth for laboratory studies by the Stardust return capsule. The long-duration Rosetta mission has recently provided a huge and unique amount of data, obtained using numerous instruments, including innovative dust instruments, over a wide range of distances from the

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Section: Past Remote Observations Of Dust In Comae Tails and Trailsmentioning

confidence: 99%

Cometary Dust

et al. 2018

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“…It may be added that hydrated minerals, which have implications for the location of their formation region (Lisse et al, 2007;Kelley and Wooden, 2009) have also been detected. Amorphous carbon (submicron-sized) grains were suggested to come from a carbonaceous layer formed by cosmic irradiation during the extremely long time spent by the nucleus in the transneptunian region (Sugita et al, 2007;Furusho et al, 2007). This hypothesis is compatible with the observations of the impact crater by the Stardust-NExT mission (Schultz et al, 2013).…”

Section: Infrared Spectroscopy: Silicatesmentioning

confidence: 67%

The Composition of Comets

Cochran,

Levasseur-Regourd,

Cordiner

et al. 2015

Preprint

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This paper is the result of the International Cometary Workshop, held in Toulouse, France in April 2014, where the participants came together to assess our knowledge of comets prior to the ESA Rosetta Mission. In this paper, we look at the composition of the gas and dust from the comae of comets. With the gas, we cover the various taxonomic studies that have broken comets into groups and compare what is seen at all wavelengths. We also discuss what has been learned from mass spectrometers during flybys. A few caveats for our interpretation are discussed. With dust, much of our information comes from flybys. They include in situ analyses as well as samples returned to Earth for laboratory measurements. Remote sensing IR observations and polarimetry are also discussed. For both gas and dust, we discuss what instruments the Rosetta spacecraft and Philae lander will bring to bear to improve our understanding of comet 67P/Churyumov-Gerasimenko as "ground-truth" for our previous comprehensive studies. Finally, we summarize some of the inital Rosetta Mission findings.

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Cometary Refractory Grains: Interstellar and Nebular Sources

Wooden

2008

Space Sciences Series of ISSI

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Imaging polarimetry of Comet 9P/Tempel before and after the Deep Impact

Cited by 4 publications

References 11 publications

Cometary Dust

Cometary Dust

The Composition of Comets

Cometary Refractory Grains: Interstellar and Nebular Sources

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