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Erikson, A. and Skoglöv, E. (2003) Planetary spin-axis evolution in the 47 UMa habitable zone. In: Proceedings "Towards Other Earths: DARWIN/TPF and the Search for Extrasolar Terrestrial Planets", Heidelberg, Germany, 22-25 April 2003, 539, pp. 409-412. European Space Agency. Towards Other Earths: DARWIN/TPF and the Search for Extrasolar Terrestrial Planets, 2003-04-22 - 2003-04-25, Heidelberg, Germany. ISBN 92-9092-849-2
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Abstract
The long-term secular pertubations between planets in a planetary system affect their individual obliquities and procession rates. This spin-axis evolution has been numerically investigated for hypothetical Earth-like planets located in and further inward of the habitable zone of the 47 UMa planetary system. It was found that the spin-axis for such a planet can undergo relatively large variations (up to 40°) on short time scales (10<sup>4</sup> - 10<sup>5</sup> yr). Such variations are expected to have profound implications for the long-term atmosphere and surface conditions of a planet and put further constraints on the potential habitability in the 47 UMa system.
| Item URL in elib: | https://elib.dlr.de/11016/ | |||||||||
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| Document Type: | Conference or Workshop Item (Paper) | |||||||||
| Additional Information: | LIDO-Berichtsjahr=2004, | |||||||||
| Title: | Planetary spin-axis evolution in the 47 UMa habitable zone | |||||||||
| Authors: |
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| Date: | 2003 | |||||||||
| Journal or Publication Title: | Proceedings "Towards Other Earths: DARWIN/TPF and the Search for Extrasolar Terrestrial Planets", Heidelberg, Germany, 22-25 April 2003 | |||||||||
| Refereed publication: | Yes | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Volume: | 539 | |||||||||
| Page Range: | pp. 409-412 | |||||||||
| Editors: |
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| Publisher: | European Space Agency | |||||||||
| Series Name: | ESA SP | |||||||||
| ISBN: | 92-9092-849-2 | |||||||||
| Status: | Published | |||||||||
| Keywords: | Earth-like planets, UMa 47a, Habitable Zone | |||||||||
| Event Title: | Towards Other Earths: DARWIN/TPF and the Search for Extrasolar Terrestrial Planets | |||||||||
| Event Location: | Heidelberg, Germany | |||||||||
| Event Type: | international Conference | |||||||||
| Event Dates: | 2003-04-22 - 2003-04-25 | |||||||||
| Organizer: | ESA | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | |||||||||
| HGF - Program: | Space (old) | |||||||||
| HGF - Program Themes: | W EW - Erforschung des Weltraums | |||||||||
| DLR - Research area: | Space | |||||||||
| DLR - Program: | W EW - Erforschung des Weltraums | |||||||||
| DLR - Research theme (Project): | W - Vorhaben Extrasolare Planeten (old) | |||||||||
| Location: | Berlin-Adlershof | |||||||||
| Institutes and Institutions: | Institute of Planetary Research | |||||||||
| Deposited By: | Pieth, Susanne | |||||||||
| Deposited On: | 16 Sep 2005 | |||||||||
| Last Modified: | 14 Jan 2010 16:40 |
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