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Journal Article

CARMENES input catalogue of M dwarfs. IV. New rotation periods from photometric time series

MPS-Authors

Díez Alonso,  E.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Caballero,  J. A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Montes,  D.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

de Cos Juez,  F. J.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Dreizler,  S.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Dubois,  F.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Jeffers,  S. V.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Lalitha,  S.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Naves,  R.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Reiners,  A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Ribas,  I.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Vanaverbeke,  S.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Amado,  P. J.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Béjar,  V. J. S.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Cortés-Contreras,  M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Herrero,  E.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Hidalgo,  D.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Kürster,  M.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Logie,  L.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Quirrenbach,  A.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Rau,  S.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Seifert,  W.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Schöfer,  P.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

Tal-Or,  L.
Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners;

External Resource

https://ui.adsabs.harvard.edu/abs/2019A&A...621A.126D
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Citation

Díez Alonso, E., Caballero, J. A., Montes, D., de Cos Juez, F. J., Dreizler, S., Dubois, F., et al. (2019). CARMENES input catalogue of M dwarfs. IV. New rotation periods from photometric time series. Astronomy and Astrophysics, 621.


Cite as: https://hdl.handle.net/21.11116/0000-0005-D3B7-E
Abstract

Aims: The main goal of this work is to measure rotation periods of the M-type dwarf stars being observed by the CARMENES exoplanet survey to help distinguish radial-velocity signals produced by magnetic activity from those produced by exoplanets. Rotation periods are also fundamental for a detailed study of the relation between activity and rotation in late-type stars.
Methods: We look for significant periodic signals in 622 photometric time series of 337 bright, nearby M dwarfs obtained by long-time baseline, automated surveys (MEarth, ASAS, SuperWASP, NSVS, Catalina, ASAS-SN, K2, and HATNet) and for 20 stars which we obtained with four 0.2-0.8 m telescopes at high geographical latitudes.
Results: We present 142 rotation periods (73 new) from 0.12 d to 133 d and ten long-term activity cycles (six new) from 3.0 a to 11.5 a. We compare our determinations with those in the existing literature; we investigate the distribution of Prot in the CARMENES input catalogue, the amplitude of photometric variability, and their relation to v sini and pEW(Hα); and we identify three very active stars with new rotation periods between 0.34 d and 23.6 d. Tables A.1 and A.2, and tables of the photometric measurements are only available at the CDS via anonymous ftp to <A href="http://cdsarc.u-strasbg.fr/">http://cdsarc.u-strasbg.fr</A> (ftp://130.79.128.5) or via <A href="http://cdsarc.u-strasbg.fr/viz- bin/qcat?J/A+A/621/A126">http://cdsarc.u-strasbg.fr/viz- bin/qcat?J/A+A/621/A126</A>