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Rotation in the Pleiades with K2. II. Multiperiod Stars

Rebull, L. M. and Stauffer, J. R. and Bouvier, J. and Cody, A. M. and Hillenbrand, L. A. and Soderblom, D. R. and Valenti, J. and Barrado y Navascués, D. and Bouy, H. and Ciardi, D. and Pinsonneault, M. and Stassun, K. and Micela, G. and Aigrain, S. and Vrba, F. and Somers, G. and Gillen, E. and Cameron, A. Collier (2016) Rotation in the Pleiades with K2. II. Multiperiod Stars. Astronomical Journal, 152 (5). Art. No. 114. ISSN 1538-3881. http://resolver.caltech.edu/CaltechAUTHORS:20161013-153402132

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Abstract

We use K2 to continue the exploration of the distribution of rotation periods in Pleiades that we began in Paper I. We have discovered complicated multiperiod behavior in Pleiades stars using these K2 data, and we have grouped them into categories, which are the focal part of this paper. About 24% of the sample has multiple, real frequencies in the periodogram, sometimes manifesting as obvious beating in the LCs. Those having complex and/or structured periodogram peaks, unresolved multiple periods, and resolved close multiple periods are likely due to spot/spot group evolution and/or latitudinal differential rotation; these largely compose the slowly rotating sequence in P versus (V − K_s)_0 identified in Paper I. The fast sequence in P versus (V − K_s)_0 is dominated by single-period stars; these are likely to be rotating as solid bodies. Paper III continues the discussion, speculating about the origin and evolution of the period distribution in the Pleiades.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.3847/0004-6256/152/5/114DOIArticle
http://iopscience.iop.org/article/10.3847/0004-6256/152/5/114PublisherArticle
https://arxiv.org/abs/1606.00055arXivDiscussion Paper
ORCID:
AuthorORCID
Rebull, L. M.0000-0001-6381-515X
Stauffer, J. R.0000-0003-3595-7382
Cody, A. M.0000-0002-3656-6706
Soderblom, D. R.0000-0002-0322-8161
Ciardi, D.0000-0002-5741-3047
Stassun, K.0000-0002-3481-9052
Aigrain, S.0000-0003-1453-0574
Somers, G.0000-0002-9322-0314
Gillen, E.0000-0003-2851-3070
Additional Information:© 2016. The American Astronomical Society. Received 2016 April 29; revised 2016 May 31; accepted 2016 May 31; published 2016 October 11. We thank R. Stern and T. David for helpful comments on draft manuscripts. A.C.C. acknowledges support from STFC grant ST/M001296/1. Some of the data presented in this paper were obtained from the Mikulski Archive for Space Telescopes (MAST). Support for MAST for non-HST data is provided by the NASA Office of Space Science via grant NNX09AF08G and by other grants and contracts. This paper includes data collected by the Kepler mission. Funding for the Kepler mission is provided by the NASA Science Mission directorate. This research has made use of the NASA/IPAC Infrared Science Archive (IRSA), which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. This research has made use of NASA's Astrophysics Data System (ADS) Abstract Service and of the SIMBAD database, operated at CDS, Strasbourg, France. This research has made use of data products from the Two Micron All-Sky Survey (2MASS), which is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center, funded by the National Aeronautics and Space Administration and the National Science Foundation. The 2MASS data are served by the NASA/IPAC Infrared Science Archive, which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration. This publication makes use of data products from the Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration. Facilities: Kepler - The Kepler Mission, K2 - , Spitzer - Spitzer Space Telescope satellite, 2MASS - .
Group:Infrared Processing and Analysis Center (IPAC)
Funders:
Funding AgencyGrant Number
Science and Technology Facilities Council (STFC)ST/M001296/1
NASANNX09AF08G
NASA/JPL/CaltechUNSPECIFIED
NSFUNSPECIFIED
Subject Keywords:galaxies: clusters: individual (Pleiades) – stars: rotation
Record Number:CaltechAUTHORS:20161013-153402132
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20161013-153402132
Official Citation:L. M. Rebull et al 2016 AJ 152 114
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71073
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:14 Oct 2016 01:06
Last Modified:10 Nov 2018 00:06

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