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EUV Observations of the Active Sun from the Harvard Experiment on ATM

Published online by Cambridge University Press:  14 August 2015

R. W. Noyes ,
P. V. Foukal ,
M. C. E. Huber ,
E. M. Reeves ,
E. J. Schmahl ,
J. G. Timothy ,
J. E. Vernazza  and
G. L. Withbroe
R. W. Noyes
Affiliation:
Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. 02138, U.S.A.
P. V. Foukal
Affiliation:
Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. 02138, U.S.A.
M. C. E. Huber
Affiliation:
Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. 02138, U.S.A.
E. M. Reeves
Affiliation:
Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. 02138, U.S.A.
E. J. Schmahl
Affiliation:
Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. 02138, U.S.A.
J. G. Timothy
Affiliation:
Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. 02138, U.S.A.
J. E. Vernazza
Affiliation:
Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. 02138, U.S.A.
G. L. Withbroe
Affiliation:
Center for Astrophysics, Harvard College Observatory and Smithsonian Astrophysical Observatory, Cambridge, Mass. 02138, U.S.A.

Abstract

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In this paper we review some preliminary results from the Harvard College Observatory Extreme Ultraviolet Spectroheliometer on ATM that pertain to solar activity. The results reviewed here are described in more detail in other papers referred to in the text. In the following paragraphs we first describe the instrument and its capabilities, and then turn to results on active regions, sunspots, flares, EUV bright points, coronal holes, and prominences.

Type
Part 1: General Solar Activity, Coronal Holes and Bright Points
Information
Symposium - International Astronomical Union , Volume 68: Solar X, Gamma, and EUV Radiation , 1975 , pp. 3 - 17
Copyright
Copyright © Reidel 1975 

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