HII 2407: AN ECLIPSING BINARY REVEALED BY K2 OBSERVATIONS OF THE PLEIADES

The material presented herein is based upon work supported in 2015 by the National Science Foundation Graduate Research Fellowship under grant No. DGE1144469. T.J.D. gratefully acknowledges support from France Cordova through the Neugebauer Scholarship. This research was partially supported by an appointment to the NASA Postdoctoral Program at the Ames Research Center, administered by Oak Ridge Associated Universities through a contract with NASA. Support for this work was provided by NASA via grant NNX15AV62G. C.B. acknowledges support from the Alfred P. Sloan Foundation. A.C.C. acknowledges support from STFC grant ST/M001296/1. Funding for WASP comes from consortium universities and from UKs Science and Technology Facilities Council.

[1]  A. V. Maanen.  Investigations on Proper Motion. XXIV. Further Measures in the Pleiades Cluster. , 1945 .

[2]  Daniel Foreman-Mackey,et al.  emcee: The MCMC Hammer , 2012, 1202.3665.

[3]  Y.-W. Lee,et al.  Toward Better Age Estimates for Stellar Populations: The Y2 Isochrones for Solar Mixture , 2001 .

[4]  M. Couture,et al.  HIRES: the high-resolution echelle spectrometer on the Keck 10-m Telescope , 1994, Astronomical Telescopes and Instrumentation.

[5]  D. Soderblom,et al.  Rotation and chromospheric emission among F, G, and K dwarfs of the Pleiades , 1993 .

[6]  R. Noyes,et al.  A large sample of photometric rotation periods for FGK Pleiades stars , 2010, 1006.0950.

[7]  David K. Sing,et al.  Stellar limb-darkening coefficients for CoRot and Kepler , 2009, 0912.2274.

[8]  A. Gimenez,et al.  Accurate masses and radii of normal stars: modern results and applications , 2009, 0908.2624.

[9]  N. Lomb.  Least-squares frequency analysis of unequally spaced data , 1976 .

[10]  A VLBI resolution of the Pleiades distance controversy , 2014, Science.

[11]  J. Southworth.  The solar-type eclipsing binary system LL Aquarii , 2013, 1308.1320.

[12]  John R. Stauffer,et al.  A deep imaging survey of the Pleiades with ROSAT , 1994 .

[13]  K. Stassun,et al.  Empirical Tests of Pre-Main-Sequence Stellar Evolution Models with Eclipsing Binaries , 2014, 1406.3788.

[14]  J. Scargle.  Studies in astronomical time series analysis. II - Statistical aspects of spectral analysis of unevenly spaced data , 1982 .

[15]  P. Etzel,et al.  Photometric orbits of seven detached eclipsing binaries , 1981 .

[16]  G. Herbig.  Spectral Classification of Faint Members of the Hyades and Pleiades and the Dating Problem in Galactic Clusters. , 1962 .

[17]  Pravin Chordia,et al.  HIGH-EFFICIENCY AUTONOMOUS LASER ADAPTIVE OPTICS , 2014, 1407.8179.

[18]  Paul B. Etzel,et al.  A Simple Synthesis Method for Solving the Elements of Well-Detached Eclipsing Systems , 1981 .

[19]  S. Udry,et al.  Catalogues of radial and rotational velocities of 1253 F–K dwarfs in 13 nearby open clusters , 2009 .

[20]  Nicholas J. Wright,et al.  THE STELLAR-ACTIVITY–ROTATION RELATIONSHIP AND THE EVOLUTION OF STELLAR DYNAMOS , 2011, 1109.4634.

[21]  J. Kirkpatrick,et al.  Keck Spectra of Pleiades Brown Dwarf Candidates and a Precise Determination of the Lithium Depletion Edge in the Pleiades , 1998, astro-ph/9804005.

[22]  R. G. West,et al.  New periodic variable stars coincident with ROSAT sources discovered using SuperWASP , 2007, astro-ph/0702631.

[23]  E. Covino,et al.  Rotational periods of solar-mass young stars in Orion , 2007 .

[24]  F. Mullally,et al.  The K2 Mission: Characterization and Early Results , 2014, 1402.5163.

[25]  F. Allard,et al.  New evolutionary models for pre-main sequence and main sequence low-mass stars down to the hydrogen-burning limit , 2015, 1503.04107.

[26]  F. Favata,et al.  CoRoT ? 223992193: A new, low-mass, pre-main sequence eclipsing binary with evidence of a circumbinary disk , 2013, 1311.3990.

[27]  A. Prsa,et al.  A Computational Guide to Physics of Eclipsing Binaries. I. Demonstrations and Perspectives , 2005, astro-ph/0503361.

[28]  The dependence of differential rotation on temperature and rotation , 2004, astro-ph/0410575.

[29]  John R. Stauffer,et al.  The evolution of the lithium abundances of solar-type stars. III - The Pleiades , 1993 .

[30]  E. Mamajek,et al.  INTRINSIC COLORS, TEMPERATURES, AND BOLOMETRIC CORRECTIONS OF PRE-MAIN-SEQUENCE STARS , 2013, 1307.2657.

[31]  S. Aigrain,et al.  Correction to: A simple method to estimate radial velocity variations due to stellar activity using photometry , 2011, Monthly Notices of the Royal Astronomical Society.

[32]  S. Roberts,et al.  Precise time series photometry for the Kepler-2.0 mission , 2014, 1412.6304.

[33]  Burt Nelson,et al.  Eclipsing-Binary Solutions by Sequential Optimization of the Parameters , 1972 .

[34]  G. Basri,et al.  Hamilton echelle spectra of young stars. I: Optical veiling , 1990 .

[35]  An Observational Study of Tidal Synchronization in Solar-Type Binary Stars in the Open Clusters M35 and M34 , 2006, astro-ph/0608154.