Monochromatic (Line) Radiation
Classical electron radius. Consider the orbital motion of an electron of mass, m, and charge, e, about a nucleus of charge Z e. Equating the Coulomb force of attraction to the force from centripetal acceleration we obtain $$\frac{{Z\,{e^2}}}{{{r^2}}} = \f
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Astrophysical Formulae
A Compendium for the Physicist and Astrophysicist Second Corrected and Enlarged Edition
With 46 Figures
Springer-Verlag Berlin Heidelberg GmbH 1980
Dr. KENNETH R. LANG Associate Professor of Astronomy Department of Physics, Tufts University Medford, MA 02155, USA
ISBN 978-3-540-55040-2 ISBN 978-3-662-21642-2 (eBook) DOI 10.1007/978-3-662-21642-2 Library of Congress Cataloging in Publication Data, Lang, Kcnneth R., Astrophysical formulae. "Springer study edition". Bibliography: p. Includes indexes. 1. Astrophysics-Formulae. I. Title. QB461.L36 1980 523.01'02'12 80-12918 This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks. Under § 54 of the German Copyright Law where copies are made for other than private use, a fee is payable to the publisher, the amount of the fee to be determined by agreement with the publisher.
© by Springer-Verlag Berlin Heidelbcrg 1974 and 1980. Originally published by Springer-Verlag Berlin Heidelberg New York in 1980 Softcoverreprint ofthe hardcover2nd edition 1980 The use of registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant proteelive laws and regulations and therefore free for general use.
2153/3130-543210
To Marcella
Ebbene, forse voi eredete ehe l'areo senza fondo della volta spaziale sia un vuoto vertiginoso di silenzi. Vi posso dire allora ehe verso questa terra sospettabile appena l'universo giä dilaga di pensieri. (MARIO SOCRATE,
Favofe paraboliche)
Weil, maybe you think That the endless areh of the spaee vault Is a giddy, silent hollowness. But I can teil you that, Overflowing with thought, the universe is approaehing this hardly guessable earth. (MARIO SOCRATE,
Parabolic Fahles)
Preface to the Second Edition
This second edition contains corrections of misprints and errors found by the author, as well as those suggested during the Russian translation of the first printing. The Russian editors and translators who kindly supplied this material include V. E. CHERTOPRUD, A. G. DOROSHKEVICH, V. L. HOHLOVA, M. Yu. KHLOPOV, D. K. NADIOZHIN, L. M. ÜZERNOI, I. G. PERSIANTSEV, L. A. POKROVSKII, A. V. ZASOV, and Yu. K. ZEMTSOV. Supplemental references for the period 1974 to 1980 have also been added as appendix where they are included under the headings of general references and specific references for each chapter. Although specialized references come mainly from American journals, references to reviews and books are also included to help guide the reader to other sources. The author encourages suggestions for additions and corrections to possible future editions of this volume. KENNETH R. LANG Department of Physics, Tufts University Medford, Massachusetts
January, 1980
Preface
This book is meant to be a reference
