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Characteristics of proposed 3 and 4 telescope configurations for Darwin and TPF-I

Published online by Cambridge University Press:  02 May 2006

L. Kaltenegger  and
M. Fridlund
L. Kaltenegger
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden St, Cambridge, MA 02138, USA email: lkaltenegger@cfa.harvard.edu European Space Agency ESTEC, P.O.Box 299, NL-2200AG Noordwijk, The Netherlands email:Malcolm.Fridlund@esa.int Present address:Harvard-Smithsonian Center for Astrophysics, MS20, 60 Garden Street, Cambridge, MA 02138, USA
M. Fridlund
Affiliation:
European Space Agency ESTEC, P.O.Box 299, NL-2200AG Noordwijk, The Netherlands email:Malcolm.Fridlund@esa.int
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Abstract

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The Darwin and TPF-I missions are Infrared free flying interferometer missions based on nulling interferometry. Their main objective is to detect and characterize other Earth-like planets, analyze the composition of their atmospheres and their capability to sustain life, as we know it. Darwin and TPF-I are currently in study phase. A number of mission architectures of 3 and 4 free flying telescopes are evaluated on the basis of the interferometer's response, ability to distinguish multiple planet signatures and starlight rejection capabilities. The characteristics of the new configurations are compared also to the former, more complex Bowtie baseline architectures as well as evaluated on base of their science capability.

Keywords

astrobiologyextrasolar planetsEarthinterferometersnulling
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Colloquium C200: Direct Imaging of Exoplanets: Science & Techniques , October 2005 , pp. 255 - 258
Copyright
© 2006 International Astronomical Union