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Article
Rudolf Wolf to Alfred Wolfer: The Transfer of the Reference Observer in the International Sunspot Number Series (1876–1893)
In 1876, Alfred Wolfer started observing the Sun and recording the properties of sunspots alongside Rudolf Wolf. Their observations became the basis for the construction of the sunspot-number series. After Wol...
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Article
Open AccessRecalibration of the Sunspot-Number: Status Report
We report progress on the ongoing recalibration of the Wolf sunspot number ( S N ...
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Article
Scale Transfer in 1849: Heinrich Schwabe to Rudolf Wolf
The focus of this study is to reveal the reason behind a scale problem detected around 1849 in the historical version of the International Sunspot Number Series, i.e. version 1 (Leussu et al. in Astron. Astrophys...
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Article
A Modern Reconstruction of Richard Carrington’s Observations (1853–1861)
The focus of this article is a re-count of Richard Carrington’s original sunspot observations from his book drawings (Carrington in Observations of the Spots on the Sun from November 9, 1853, to March 24, 1861...
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Article
A Sunspot Catalog for the Period 1952 – 1986 from Observations Made at the Madrid Astronomical Observatory
Sunspot catalogs are very useful for studying the solar activity of the recent past. In this context, a catalog covering more than three solar cycles made by the astronomers of the Madrid Astronomical Observat...
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Article
Preface to Topical Issue: Recalibration of the Sunspot Number
This topical issue contains articles on the effort to recalibrate the sunspot number (SN) that was initiated by the Sunspot Number Workshops. These workshops led to a revision of the Wolf sunspot number (WSN) ...
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Article
An Early Sunspot Catalog by Miguel Aguilar for the Period 1914 – 1920
We provide a source of detailed solar parameters spanning the years 1914 – 1920. Although various catalogs containing information on sunspots and sunspot groups have been available for almost 150 years, the co...
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Article
A Revised Collection of Sunspot Group Numbers
We describe a revised collection of the number of sunspot groups from 1610 to the present. This new collection is based on the work of Hoyt and Schatten (Solar Phys. 179, 189, 1998). The main changes are the elim...
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Article
Open AccessCombined transcriptome studies identify AFF3 as a mediator of the oncogenic effects of β-catenin in adrenocortical carcinoma
Adrenocortical cancer (ACC) is a very aggressive tumor, and genomics studies demonstrate that the most frequent alterations of driver genes in these cancers activate the Wnt/β-catenin signaling pathway. Howeve...
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Article
Equivalence Relations Between the Cortie and Zürich Sunspot Group Morphological Classifications
Catalogues of sunspots have been available with useful information about sunspots or sunspot groups for approximately the last 150 years. However, the task of merging these catalogues is not simple. We suggest...
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Chapter and Conference Paper
Multiprimary Support for the Availability of Cluster-Based Stateful Firewalls Using FT-FW
Many research has been done with regards to firewalls during the last decade. Specifically, the main research efforts have focused on improving the computational complexity of packet classification and ensurin...
