229 citations · 270 across the 2 of their papers we have counts for
2 papers
astro-ph2007★ 41 cited
The Sun-like activity of the solar twin 18 Scorpii
Jeffrey C. Hall, Gregory W. Henry, G. Wesley Lockwood
We present the results of 10 yr of complementary spectroscopic and photometric observations of the solar twin 18 Scorpii. We show that over the course of its ~7 year chromospheric…
astro-ph2007★ 229 cited
Patterns of photometric and chromospheric variation among Sun-like stars: A 20-year perspective
G. W. Lockwood, B. A. Skiff, Gregory W. Henry +5
We examine patterns of variation of 32 primarily main sequence stars, extending our previous 7-12 year time series to 13-20 years by combining b, y data from Lowell Observatory wit…