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Direct Detection of Sub-stellar Companions with MIDI | | Peter Schuller
; Martin Vannier
; Romain Petrov
; Bruno Lopez
; Christoph Leinert
; Thomas Henning .
; | | Date: |
3 Aug 2004 | | Journal: | Proceedings of the Conference on "Towards Other Earths: DARWIN/TPF and the Search for Extrasolar Terrestrial Planets". ESA SP-539, Noordwijk, Netherlands: ESA Publications Division, ISBN 92-9092-849-2, 2003. | | Subject: | astro-ph | | Affiliation: | 1, 4), Martin Vannier , Romain Petrov , Bruno Lopez , Christoph Leinert , and Thomas Henning . ( CfA Cambridge/MA, USA, University of Nice, France, Nice Observatory, France, MPIA Heidelberg, Germany | | Abstract: | Current detection methods of planetary companions do not allow retrieving their spectral information properties. The method of Differential Interferometry has the potential to complement such information by comparing interferometric observables in various spectral channels. We outline the basic aspects of this method and how it can soon be realised by the Mid-infrared Interferometric instrument (MIDI) at the Very Large Telescope Interferometer (VLTI) observatory. A set of possible candidates for such direct observation has been selected among currently identified planetary companions. Differential Interferometry with MIDI would be complementary to other ground-based programs. The method may also be an alternative for future space-based planetary spectroscopy. | | Source: | arXiv, astro-ph/0408050 | | Services: | Forum | Review | PDF | Favorites | |
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