Hemispheric Sunspot Numbers $\mathsf{R_{n}}$ and $\mathsf{R_{s}}$: Catalogue and N-S asymmetry analysis

Studies in astronomical time series analysis. II - Statistical aspects of spectral analysis of unevenly spaced data

1982 • 6,353 citations

Least-squares frequency analysis of unequally spaced data

1976 • 4,904 citations

A prescription for period analysis of unevenly sampled time series

1986 • 1,346 citations

Untitled

1998 • 620 citations

Untitled

1998 • 417 citations

The sunspot-activity in the years 1610-1960

1961 • 296 citations

Large-Scale Distribution of Solar Magnetic Fields.

1965 • 267 citations

A 154 day periodicity in the occurrence rate of proton flares

1990 • 131 citations

Untitled

2000 • 121 citations

Regularity of the north-south asymmetry of solar activity

2002 • 112 citations

Note on the Observed Differences in Spottedness of the Sun's Northern and Southern Hemispheres

1955 • 110 citations

Distribution of flares on the sun - Superactive regions and active zones of 1980-1985

1987 • 106 citations

Rotation of the photospheric magnetic fields - A north-south asymmetry

1990 • 100 citations

Long-term variations in north-south asymmetry of solar activity

1986 • 97 citations

Twenty‐seven day recurrences in terrestrial‐magnetic and solar activity, 1923–1933

1934 • 97 citations

Statistical analysis of solar H$\mathsf{\alpha}$ flares

2001 • 94 citations

The north-south asymmetry of sunspot areas during solar cycle 22

1994 • 92 citations

Recurrence of solar activity: Evidence for active longitudes

1982 • 82 citations

Evidence for solar-cycle evolution of north-south flare asymmetry during cycles 20 and 21

1990 • 82 citations

Long-lived giant cells detected at the surface of the Sun

1998 • 67 citations

Asymmetries and wavelengths of solar spectral lines and the solar rotation determined from Fourier-transform spectra

1984 • 66 citations

Untitled

2000 • 62 citations

Longitude Distribution of Proton Flares.

1965 • 59 citations

Note on the Distribution of Sunspots Between the North and South Solar Hemispheres and its Variation with the Solar Cycle

1977 • 53 citations

Hemispheric Variation in Solar Activity

2001 • 46 citations

Short-term periodicities in sunspot areas during solar cycle 22

1995 • 45 citations

Untitled

2002 • 43 citations

Untitled

1997 • 42 citations

Preferred longitudes of sunspot groups and high-speed solar wind streams: Evidence for a ?solar memory?

1983 • 34 citations

Periodicities in data observed during the minimum and the rising phase of solar cycle 23; years 1996-1999

2001 • 29 citations

Methods of periodicity analysis - Relationship between the Rayleigh analysis and a maximum likelihood method

1992 • 24 citations

Distribution of sunspots 1874?1976

1980 • 22 citations

Longitudinal Variation of a Zone of Solar Activity.

1962 • 22 citations

Sunspot groups at high latitude

2000 • 22 citations

Evidence for the 22-year-cycle in the longitudinal distribution of sunspots

1984 • 18 citations

World Data Centres — past, present and future

1994 • 13 citations

History and Evolution of the World Data Centre System

1991 • 6 citations