Unpublished conference/Abstract (Scientific congresses and symposiums)
Photometry, imaging and rotation period of comet 46P/Wirtanen during its 2018 apparition
Moulane, Youssef; Jehin, Emmanuel; José Pozuelos, Francisco et al.
2019EPSC-DPS Joint Meeting 2019
 

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Keywords :
comets
Abstract :
[en] We report on photometry, imaging and the rotation period of the Jupiter Family Comet (JFC) 46P/Wirtanen (hereafter 46P) observed with both TRAPPIST telescopes (TN and TS). We monitored the comet regularly during 8 months, following the evolution of the production rates of the gaseous species, e.g. OH, NH, CN, C3 and C2, as well as the evolution of the Afrho parameter, a dust proxy. Measurements along the orbit of the production rates and the relative abundance with respect to CN and OH will be discussed. We measured the rotation period of the comet using high cadence observations of the CN flux on several nights, we obtained a value of (9.2±0.5) hr on Dec. 9, 2018. The comparison of the coma morphology exhibited by the gas species and the dust will be presented.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Moulane, Youssef  ;  Université de Liège, Space sciences, Technologies & Astrophysics Research (STAR) Institute, Liège, Belgium
Jehin, Emmanuel  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)
José Pozuelos, Francisco  ;  European Southern Observatory, Alonso de Cordova 3107, Vitacura, Santiago, Chile
Opitom, Cyrielle;  Université de Liège, Space sciences, Technologies & Astrophysics Research (STAR) Institute, Liège, Belgium
Manfroid, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Yang, Bin;  Oukaimeden Observatory, High Energy Physics and Astrophysics Laboratory, Cadi Ayyad University, Morocco)
Benkhaldoun, Zouhair
Language :
English
Title :
Photometry, imaging and rotation period of comet 46P/Wirtanen during its 2018 apparition
Publication date :
01 September 2019
Event name :
EPSC-DPS Joint Meeting 2019
Event place :
Geneva, Switzerland
Event date :
15-20 September 2019
Audience :
International
Commentary :
2019
Available on ORBi :
since 06 November 2019

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