Searching for Planets in the Hyades II Some Implications of Stellar Magnetic Activity.pdf

To appear in the July 2002 issue of The Astronomical Journal A Preprint typeset using L T X style emulateapj v. 14/09/00 E SEARCHING FOR PLANETS IN THE HYADES II: SOME IMPLICATIONS OF STELLAR MAGNETIC ACTIVITY 1 Diane B. Paulson Astronomy Department, University of Texas, Austin, TX 78712 apodis@astro.as.utexas.edu Steven H. Saar Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138 ssaar@cfa.harvard.edu William D. Cochran 2 McDonald Observatory, University of Texas, Austin, TX 78712 0 wdc@astro.as.utexas.edu 0 and 2 Artie P. Hatzes r p Th¨uringer Landessternwarte Tautenburg, D-07778 Tautenburg, Germany A To appear in the July 2002 issue of The Astronomical Journal ABSTRACT 2 1 The Hyades constitute a homogeneous sample of stars ideal for investigating the dependence of planet formation on the mass of the central star. Due to their youth, Hyades members are much more chro- 1 mospherically active than stars tr