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Exoplanet Searches in the Habitable Zone with Gravitational Microlensing

Zakharov, Alexander F. ; Ingrosso, Gabriele ; De Paolis, Francesco ; Nucita, Achille A. ; Strafella, Francesco ; Novati, Sebastiano Calchi ; Jetzer, Philippe

In: Proceedings of the International Astronomical Union, 2012, vol. 8, no. S293, p. 36-38

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    Titre
    • Exoplanet Searches in the Habitable Zone with Gravitational Microlensing
    Auteur
    • Zakharov, Alexander F.. Institute of Theoretical and Experimental Physics, Moscow, 117259, Russia
    • Ingrosso, Gabriele. Dipartimento di Matematica e Fisica "Ennio De Giorgi”, Università del Salento, CP 193, I-73100 Lecce, Italy
    • De Paolis, Francesco. Dipartimento di Matematica e Fisica "Ennio De Giorgi”, Università del Salento, CP 193, I-73100 Lecce, Italy
    • Nucita, Achille A.. Dipartimento di Matematica e Fisica "Ennio De Giorgi”, Università del Salento, CP 193, I-73100 Lecce, Italy
    • Strafella, Francesco. Dipartimento di Matematica e Fisica "Ennio De Giorgi”, Università del Salento, CP 193, I-73100 Lecce, Italy
    • Novati, Sebastiano Calchi. Dipartimento di Fisica "E.R. Caianiello”, Università di Salerno, I-84081 Baronissi (SA), Italy
    • Jetzer, Philippe. Institute for Theoretical Physics, University of Zürich, CH-8057, Zürich, Switzerland
    Type de document
    • Postprint
    Langue
    • Anglais
    Publié dans
    • Proceedings of the International Astronomical Union, 2012, vol. 8, no. S293, p. 36-38. Cambridge University Press
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:302810
    Summary
    There are different methods for finding exoplanets such as radial spectral shifts, astrometrical measurements, transits, timing, etc. Gravitational microlensing (including pixel-lensing) is among the most promising techniques with the potential of detecting Earth-like planets at distances about a few astronomical units from their host stars. Here we emphasize the importance of polarization measurements which can help to resolve degeneracies in theoretical models. In particular, the polarization angle could give additional information about the relative position of the lens with respect to the source