The Rotation Period of the Sun as Determined From the Motions of the Calcium
Language: English
Published by Forgotten Books, 2018
- Softcover
- New
Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
£ 13.79
Quantity: Over 20 available
Add to basketItem description from seller
Print on Demand. This book details the author's extensive research into the rotation period of the Sun, as determined by the motions of calcium flocculi. Building upon the work of Carrington, Spoerer, Maunder, Stratonoff, Dunà r, and Halm, the author presents new data gathered through the systematic measurement of spectroheliograph photographs. The research contributes to our understanding of the Sun's differential rotation, showing that the calcium flocculi exhibit an equatorial acceleration similar to that observed in sunspots, faculae, and the reversing layer. The book provides valuable insights into the dynamics of the Sun's atmosphere and its implications for solar activity. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.
Seller Inventory # 9781334030703_0
- Title
- The Rotation Period of the Sun as Determined From the Motions of the Calcium
- Author
- George Ellery Hale, Philip Fox
- Publisher
- Forgotten Books
- Publication year
- 2018
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 1334030707
- ISBN 13
- 9781334030703
- Seller catalogs
- Astronomy
The rotation period of the Sun has been determined by three independent methods: (i) from measurements of the motions of the spots in longitude; (2) from measurements of the motions of the faculae in longitude; and (3) from spectroscopic measurements of the motion in the line of sight of the approaching and receding limbs. The first series of monochromatic photo graphs of the Sun, made with the spectroheliograph of the Kenwood Observa tory in the years 1892-94, has provided material for a new determination of the rotation period, based upon the motions in longitude of the calcium flocculi. Through a grant from the Carnegie Institution it became possible to undertake the measurement of these plates at the Yerkes Observatory. The results of this investigation are contained in the present paper.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Forgotten Books
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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Forgotten Books publishes hundreds of thousands of rare and classic books.
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value.
The digital edition of all books may be viewed before purchase if you request a sample.
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