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Monitoring of comets activity and composition with the TRAPPIST-North telescope
Moulane, Youssef; Benkhaldoun, Zouhair; Jehin, Emmanuel et al.
2017In Journal of Physics. Conference Series, 869
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Keywords :
Comets; C/2013 X1 (PANSTARRS); C/2013 V5 (Oukaimeden)
Abstract :
[en] TRAPPIST-North (TRAnsiting Planets and PlanetesImals Small Telescope) is a 60-cm robotic telescope that was installed in May 2016 at the Oukaimeden Observatory. The project is led by the University of Liège (Belgium) and the Caddi Ayad University of Marrakech (Morocco). This telescope is a twin of the TRAPPIST-South telescope, which was installed at the ESO La Silla Observatory in 2010. The TRAPPIST telescopes are dedicated to the detection and characterization of planets orbiting stars other than our Sun (exoplanets) and the study of comets and other small bodies in our solar system. For the comets research, these telescopes have very sensitive CCD cameras with complete sets of narrow band filters to measure the production rates of several gases (OH, NH, CN, C3 and C2) and the dust. With TRAPPIST-North we can also observe comets that would not be visible in the southern hemisphere. Therfore, with these two telescopes, we can now observe continuously the comets around their orbit. We project to study individually the evolution of the activity, chemical composition, dust properties, and coma morphology of several comets per year and of different origins (New comets and Jupiter Family comets) over a wide range of heliocentric distances, and on both sides of perihelion. We measure the production rates of each daughter molecules using a Haser model, in addition to the Afρ parameter to estimate the dust production in the coma. In this work, we present the first measurements of the production rates of comet C/2013 X1 (PANSTARRS) observed with TN in June 2016, and the measurements of comet C/2013 V5 (Oukaimeden) observed in 2014 with TRAPPIST-South.
Research center :
STAR - Space sciences, Technologies and Astrophysics Research - ULiège
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Moulane, Youssef  ;  Université de Liège - ULiège > Form. doct. sc. (sc. spatiales - paysage)
Benkhaldoun, Zouhair;  Cadi ayyad University > Oukaimeden Observatory
Jehin, Emmanuel  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)
Opitom, Cyrielle ;  Université de Liège - ULiège > Doct. sc. (sc. spat. - Bologne)
Gillon, Michaël  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)
Daassou, Ahmed;  Cadi Ayyad university > Oukaimeden Observatory
Language :
English
Title :
Monitoring of comets activity and composition with the TRAPPIST-North telescope
Publication date :
July 2017
Event name :
Frontiers in Theoretical and Applied Physics
Event date :
February 22-25, 2017
Audience :
International
Journal title :
Journal of Physics. Conference Series
ISSN :
1742-6588
eISSN :
1742-6596
Publisher :
Institute of Physics, Bristol, United Kingdom
Special issue title :
1742-6596-869-1-012079
Volume :
869
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 28 September 2017

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