Untitled

Rotation, convection, and magnetic activity in lower main-sequence stars

1984 • 1,558 citations

A prescription for period analysis of unevenly sampled time series

1986 • 1,346 citations

Chromospheric Variations in Main Sequence Stars

1976 • 581 citations

CA II H and K measurements made at Mount Wilson Observatory, 1966-1983

1991 • 392 citations

Flux measurements of CA II H and K emission

1978 • 287 citations

Large-scale patterns formed by solar active regions during the ascending phase of cycle 21

1983 • 254 citations

Stellar rotation in lower main-sequence stars measured from time variations in H and K emission-line fluxes. II - Detailed analysis of the 1980 observing season data

1983 • 105 citations

Sunspot nests

1986 • 88 citations

Recurrence of solar activity: Evidence for active longitudes

1982 • 82 citations

Time-series measurements of chromospheric CA II H and K emission in cool stars and the search for differential rotation

1985 • 80 citations

Variations in the solar calcium K line 1976-1982

1984 • 43 citations

The solar surface differential rotation from disk-integrated chromospheric fluxes

1995 • 33 citations

Ratio of calcium plage to sunspot areas of solar active regions

1987 • 27 citations

Untitled

1997 • 22 citations

Surface Differential Rotation in a Sample of Cool Dwarf Stars

1993 • 12 citations

The Rotation Period of the Sun as Determined from the Motions of the Calcium Flocculi

2016 • 2 citations