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Mining Planet Search Data for Binary Stars: The Draconis system
Kevin Gullikson, Michael Endl, William D. Cochran +1
Several planet-search groups have acquired a great deal of data in the form of time-series spectra of several hundred nearby stars with time baselines of over a decade. While binar…
Long-lived, long-period radial velocity variations in Aldebaran: A planetary companion and stellar activity
A. P. Hatzes, W. D. Cochran, M. Endl +14
We investigate the nature of the long-period radial velocity variations in Alpha Tau first reported over 20 years ago. We analyzed precise stellar radial velocity measurements for…
Stellar Activity and its Implications for Exoplanet Detection on GJ 176
Paul Robertson, Michael Endl, Gregory W. Henry +3
We present an in-depth analysis of stellar activity and its effects on radial velocity (RV) for the M2 dwarf GJ 176 based on spectra taken over 10 years from the High Resolution Sp…