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Magnetic Activity Cycles in the Exoplanet Host Star epsilon Eridani
T. S. Metcalfe, A. P. Buccino, B. P. Brown +7
The active K2 dwarf epsilon Eri has been extensively characterized, both as a young solar analog and more recently as an exoplanet host star. As one of the nearest and brightest st…
Stellar Diameters and Temperatures II. Main Sequence K & M Stars
Tabetha S. Boyajian, Kaspar von Braun, Gerard van Belle +21
We present interferometric diameter measurements of 21 K- and M- dwarfs made with the CHARA Array. This sample is enhanced by literature radii measurements to form a data set of 33…
The Solar Neighborhood XXVIII: The Multiplicity Fraction of Nearby Stars from 5 to 70 AU and the Brown Dwarf Desert Around M Dwarfs
Sergio B. Dieterich, Todd J. Henry, David A. Golimowski +2
We report on our analysis of HST/NICMOS snapshot high resolution images of 255 stars in 201 systems within ~10 parsecs of the Sun. Photometry was obtained through filters F110W, F1…