Sunspot Magnetic Fields for the I.G.Y. - 1st Edition - ISBN: 9781483213415, 9781483226842

Sunspot Magnetic Fields for the I.G.Y.

1st Edition

With Analysis and Daily Maps Prepared at the Crimean Astrophysical Observatory Under the Direction of Professor A. B. Severny

Editors: M. A. Ellison
eBook ISBN: 9781483226842
Imprint: Pergamon
Published Date: 1st January 1962
Page Count: 272
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Description

Annals of the International Geophysical Year, Volume 23: Sunspot Magnetic Fields for the I.G.Y. provides geophysical data analysis and daily maps for observation of sunspot magnetic fields activity. The data and maps are prepared at the Crimean Astrophysical Observatory. This book specifically presents the catalogue of strengths and polarities of the magnetic fields of sunspots observed by six observatories during the IGY. These data are presented in the form of 533 daily maps containing some mean values of the field strengths measured at these observatories. The system of the catalogue is derived in two successive approximations. As the first approximation, simple means (with equal weights) are calculated from the observed field strengths of different observatories. Mount Wilson observations are reduced first for the deviation due to the blending effect. To derive the field strengths in the second approximation, the calculation of systematic errors for each observatory by estimates of deviations from the simple means (with equal weights) and the calculation of weighted factors for each observatory by evaluations of mean dispersion for this observatory are made. This book is of value to geophysicists.

Table of Contents


Preface

Chapter 1. Catalogue of Strengths and Polarities of Magnetic Fields of Sunspots for the Period of the International Geophysical Year (1 July 1957–31 December 1958)

1. Introduction

2. The System of the Present Catalogue

References

Annals of the International Oeophysical Year


Details

No. of pages:
272
Language:
English
Copyright:
© Pergamon 1962
Published:
Imprint:
Pergamon
eBook ISBN:
9781483226842

About the Editor

M. A. Ellison