The simulated detection of low-mass companions with GENIE

den Hartog, Roland H; Absil, Olivier; Gondoin, Philippe A; D'Arcio, Luigi L; Fabry, Pierre; Kaltenegger, Lisa; Wilhelm, Rainer C; Gitton, Philippe B; Puech, Florence; Fridlund, C. V. M.

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The simulated detection of low-mass companions with GENIE

den Hartog, Roland H; Absil, Olivier; Gondoin, Philippe A et al.

2004 • In Traub, Wesley; Monnier, John; Schöller, Markus (Eds.) New Frontiers in Stellar Interferometry

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Abstract :

[en] The prime objective of GENIE (Ground-based European Nulling Interferometry Experiment) is to obtain experience with the design, construction and operation of an IR nulling interferometer, as a preparation for the DARWIN / TPF mission. In this context, the detection of a planet orbiting another star would provide an excellent demonstration of nulling interferometry. Doing this through the atmosphere, however, is a formidable task. In this paper we assess the prospects of detecting with nulling interferometry on ESO's VLTI, low-mass companions in orbit around their parent stars. With the GENIE science simulator (GENIEsim) we can model realistic detection scenarios for the GENIE instrument operating in the VLTI environment, and derive detailed requirements on control-loop performance, IR background subtraction and the accuracy of the photometry calibration. We analyse the technical feasibility of several scenarios for the detection of low-mass companions in the L'-band.

Disciplines :

Space science, astronomy & astrophysics

Author, co-author :

den Hartog, Roland H

Absil, Olivier ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)

Gondoin, Philippe A

D'Arcio, Luigi L

Fabry, Pierre

Kaltenegger, Lisa

Wilhelm, Rainer C

Gitton, Philippe B

Puech, Florence

Fridlund, C. V. M.

Language :

English

Title :

The simulated detection of low-mass companions with GENIE

Publication date :

01 October 2004

Event name :

New Frontiers in Stellar Interferometry

Event organizer :

SPIE

Event place :

Glasgow, United Kingdom

Event date :

du 21 au 25 juin 2004

Audience :

International

Main work title :

New Frontiers in Stellar Interferometry

Editor :

Traub, Wesley

Monnier, John

Schöller, Markus

Publisher :

SPIE, Bellingham, United States - Washington

Collection name :

Proceedings of the SPIE, volume 5491

Pages :

160

Additional URL :

http://adsabs.harvard.edu/abs/2004SPIE.5491..160D

Available on ORBi :

since 25 January 2012

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Bibliography

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