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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 742760.0, MPI für Astronomie / Publikationen_mpia
Determination of rotation periods of M stars with photometric techniques
Authors:Díez Alonso, E.; Montes, D.; de Cos Juez, F. J.; Naves, R.; García de La Cuesta, F.; Herrero, E.; Béjar, V. J. S.; Caballero, J. A.; Quirrenbach, A.; Amado, P. J.; Ribas, I.; Reiners, A.; Mundt, R.; Seifert, W.; Consortium, C.; Alonso-Herrero, A.; Figueras, F.; Hernández-Monteagudo, C.; Sánchez-Lavega, A.; Pérez-Hoyos, S.
Place of Publication:Barcelona
Publisher:Spanish Astronomical Society
Date of Publication (YYYY-MM-DD):2017
Audience:Not Specified
Abstract / Description:This work is part of the project CARMENES (Calar Alto search for high-Resolution M dwarfs With Exoearths With Near-infrared and optical Echelle spectrographs) searching for Earthlike exoplanets in M dwarf stars (Quirrenbach et al. 2014SPIE.9147E..1FQ). Our goal is to characterize the rotation periods of the M-type dwarf stars of CARMENES input catalog in order to distinguish variations in radial velocity produced by magnetic activity of those produced by possible exoplanets. These data will also allow us to study in detail the dependence of chromospheric activity with rotation in this type of stars. We are analyzing photometric series of our input stars obtained by surveys as MEarth, ASAS or K2 and doing our own observations at various telescopes in collaboration with amateur observatories. We are also developing and testing new photometric techniques based on intelligent modeling of atmospheric turbulence to improve rotation curves
External Publication Status:published
Document Type:Other
Communicated by:N. N.
Affiliations:MPI für Astronomie
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