Revisiting the Sunspot Number

Reconstructing past solar activity using meridian solar observations: The case of the Royal Observatory of the Spanish Navy (1833–1840)

(2014) J.M. Vaquero et al.   ADVANCES IN SPACE RESEARCH

Evidence for distinct modes of solar activity

(2014) I. G. Usoskin et al.   ASTRONOMY & ASTROPHYSICS

Centennial variations in sunspot number, open solar flux, and streamer belt width: 1. Correction of the sunspot number record since 1874

(2014) M. Lockwood et al.   JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS

Inconsistency of the Wolf sunspot number series around 1848

(2013) Raisa Leussu et al.   ASTRONOMY & ASTROPHYSICS

ANALYSIS OF SUNSPOT AREA OVER TWO SOLAR CYCLES

(2013) G. de Toma et al.   ASTROPHYSICAL JOURNAL

Long-term variations in sunspot characteristics

(2013) A. G. Tlatov   GEOMAGNETISM AND AERONOMY

Sunspot positions and sizes for 1825–1867 from the observations by Samuel Heinrich Schwabe

(2013) R. Arlt et al.   MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

Cyclic and Long-Term Variation of Sunspot Magnetic Fields

(2013) Alexei A. Pevtsov et al.   SOLAR PHYSICS

An Explanation of the Differences Between the Sunspot Area Scales of the Royal Greenwich and Mt. Wilson Observatories, and the SOON Program

(2013) Peter Foukal   SOLAR PHYSICS

Revised Group Sunspot Number Values for 1640, 1652, and 1741

(2013) J. M. Vaquero et al.   SOLAR PHYSICS

The Sunspot Catalogues of Carrington, Peters and de la Rue: Quality Control and Machine-Readable Versions

(2013) R. Casas et al.   SOLAR PHYSICS

The Greenwich Photo-heliographic Results (1874 – 1976): Summary of the Observations, Applications, Datasets, Definitions and Errors

(2013) D. M. Willis et al.   SOLAR PHYSICS

Applying an Automatic Image-Processing Method to Synoptic Observations

(2013) Andrey G. Tlatov et al.   SOLAR PHYSICS

Solar Cycle Prediction

(2013) Kristóf Petrovay   Living Reviews in Solar Physics

Reconstruction and Prediction of Variations in the Open Solar Magnetic Flux and Interplanetary Conditions

(2013) Mike Lockwood   Living Reviews in Solar Physics

Solar activity – past, present, future

(2013) Leif Svalgaard   Journal of Space Weather and Space Climate

Basal magnetic flux and the local solar dynamo

(2012) J. O. Stenflo   ASTRONOMY & ASTROPHYSICS

THINNING OF THE SUN'S MAGNETIC LAYER: THE PECULIAR SOLAR MINIMUM COULD HAVE BEEN PREDICTED

(2012) Sarbani Basu et al.   ASTROPHYSICAL JOURNAL

ON A POSSIBLE EXPLANATION OF THE LONG-TERM DECREASE IN SUNSPOT FIELD STRENGTH

(2012) Yury A. Nagovitsyn et al.   Astrophysical Journal Letters

Cyclic loss of open solar flux since 1868: The link to heliospheric current sheet tilt and implications for the Maunder Minimum

(2012) M. J. Owens et al.   JOURNAL OF GEOPHYSICAL RESEARCH

Are the sunspots really vanishing?

(2012) Frédéric Clette et al.   Journal of Space Weather and Space Climate

The sunspot observations by Samuel Heinrich Schwabe

(2011) R. Arlt   ASTRONOMISCHE NACHRICHTEN

A global small sunspot deficit at the base of the index anomalies of solar cycle 23

(2011) L. Lefèvre et al.   ASTRONOMY & ASTROPHYSICS

TIME DISTRIBUTIONS OF LARGE AND SMALL SUNSPOT GROUPS OVER FOUR SOLAR CYCLES

(2011) A. Kilcik et al.   ASTROPHYSICAL JOURNAL

ENIGMA OF THE SOLAR CYCLE 4 STILL NOT RESOLVED

(2011) N. V. Zolotova et al.   ASTROPHYSICAL JOURNAL

REVISITED SUNSPOT DATA: A NEW SCENARIO FOR THE ONSET OF THE MAUNDER MINIMUM

(2011) José M. Vaquero et al.   Astrophysical Journal Letters

The minimal solar activity in 2008-2009 and its implications for long-term climate modeling

(2011) C. J. Schrijver et al.   GEOPHYSICAL RESEARCH LETTERS

A Simple Method to Check the Reliability of Annual Sunspot Number in the Historical Period 1610 – 1847

(2011) J. M. Vaquero et al.   SOLAR PHYSICS

Correlation Between the Sunspot Number, the Total Solar Irradiance, and the Terrestrial Insolation

(2011) A. Hempelmann et al.   SOLAR PHYSICS

Long-Term Variations in the Growth and Decay Rates of Sunspot Groups

(2011) J. Javaraiah   SOLAR PHYSICS

MAGNETIC QUENCHING OF TURBULENT DIFFUSIVITY: RECONCILING MIXING-LENGTH THEORY ESTIMATES WITH KINEMATIC DYNAMO MODELS OF THE SOLAR CYCLE

(2010) Andrés Muñoz-Jaramillo et al.   Astrophysical Journal Letters

A DOUBLE-RING ALGORITHM FOR MODELING SOLAR ACTIVE REGIONS: UNIFYING KINEMATIC DYNAMO MODELS AND SURFACE FLUX-TRANSPORT SIMULATIONS

(2010) Andrés Muñoz-Jaramillo et al.   Astrophysical Journal Letters

Power law relating 10.7 cm flux to sunspot number

(2010) Robert W. Johnson   ASTROPHYSICS AND SPACE SCIENCE

HSUNSPOTS: A tool for the analysis of historical sunspot drawings

(2010) A. Cristo et al.   JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS

Changed relation between sunspot numbers, solar UV/EUV radiation and TSI during the declining phase of solar cycle 23

(2010) R. Lukianova et al.   JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS

The Mount Wilson Ca ii K Plage Index Time Series

(2010) L. Bertello et al.   SOLAR PHYSICS

The solar observations at Armagh Observatory in 1795-1797

(2009) R. Arlt   ASTRONOMISCHE NACHRICHTEN

A SOLAR CYCLE LOST IN 1793-1800: EARLY SUNSPOT OBSERVATIONS RESOLVE THE OLD MYSTERY

(2009) Ilya G. Usoskin et al.   ASTROPHYSICAL JOURNAL

THE RISE AND FALL OF OPEN SOLAR FLUX DURING THE CURRENT GRAND SOLAR MAXIMUM

(2009) M. Lockwood et al.   ASTROPHYSICAL JOURNAL

Modeling a Shallow Solar Dynamo

(2009) Kenneth H. Schatten   SOLAR PHYSICS

The Butterfly Diagram in the Eighteenth Century

(2009) R. Arlt   SOLAR PHYSICS

For how long will the current grand maximum of solar activity persist?

(2008) J. A. Abreu et al.   GEOPHYSICAL RESEARCH LETTERS

Digitization of Sunspot Drawings by Staudacher in 1749 – 1796

(2008) R. Arlt   SOLAR PHYSICS