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Aladdin nulling instrument
Barillot, Marc; Coudé Du Foresto, Vincent; Surdej, Jean et al.
2010In Spinoglio, L.; Epchtein, N. (Eds.) 3rd ARENA Conference: An Astronomical Observatory at CONCORDIA (Dome C, Antarctica)
 

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Keywords :
Astronomical Observatory; CONCORDIA
Abstract :
[en] The ALADDIN project aims at detecting warm dust populations around nearby main sequence stars. In order to achieve the significantly improved sensitivity with respect to existing instruments, the architecture of the system is focused and optimised for the mission: ALADDIN implements the nulling interferometry technique at the focal plane of a 2-telescope interferometer mounted on a rotating structural beam. Concerning the beam combining nulling instrument, the ALADDIN design is inherited from a Definition Study of the VLTI/GENIE instrument. In this paper, we demonstrate how the ALADDIN instrument preliminary definition can be made simpler and more representative of a space instrument than GENIE thanks to both the outstanding atmospheric properties of Dome C and the dedicated architecture of the system. Finally, we discuss the compatibility of the instrument with the Antarctic environment and constraints, and underline the experimental and industrial know-how learnt from the MAII and PERSEE nulling breadboards in which our Team is also involved.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Barillot, Marc;  Thales Alenia Space, Cannes-La Bocca, France
Coudé Du Foresto, Vincent
Surdej, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Absil, Olivier  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Jamar, Claude ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
di Folco, Emmanuel;  LESIA, Observatoire de Paris-Meudon, France
Language :
English
Title :
Aladdin nulling instrument
Publication date :
2010
Event name :
3rd ARENA Conference: An Astronomical Observatory at CONCORDIA (Dome C, Antarctica)
Event place :
Frascati, Italy
Event date :
May 11-15, 2009
By request :
Yes
Audience :
International
Main work title :
3rd ARENA Conference: An Astronomical Observatory at CONCORDIA (Dome C, Antarctica)
Editor :
Spinoglio, L.
Epchtein, N.
Publisher :
EDP Sciences, Les Ulis, France
ISBN/EAN :
978-2-7598-0485-6
Collection name :
EAS Publications Series, Volume 40
Pages :
251-256
Available on ORBi :
since 09 January 2010

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