Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Science 20 November 1964:
Vol. 146. no. 3647, pp. 1037 - 1038
DOI: 10.1126/science.146.3647.1037
Prev | Table of Contents | Next

Articles

Solar X-Ray Spectrum below 25 Angstroms

R. L. Blake 1, T. A. Chubb 1, H. Friedman 1, and A. E. Unzicker 1

1 E. O. Hulburt Center for Space Research, U.S. Naval Research Laboratory, Washington, D.C.

Below 25 Å, the solar spectrum consists primarily of the emission lines of Fe XVII, O VIII, O VII, and N VII. The lines of the more highly ionized atoms, Fe XVII and O VIII, originate in localized active regions. Lines of O VII and N VII emanate from the full disk.

To Advertise     Find Products

Science. ISSN 0036-8075 (print), 1095-9203 (online)