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101. The Eclipsing Binary PG 1323-086A (GSC 05544-00493)

Author

Clem, James L. and Landolt, Arlo U.

Abstract

The star PG 1323-086A (GSC 05544-00493) is shown to be a short-period eclipsing binary system. Photometric elements for the system are computed and reveal that the stellar components are in a marginal degree of contact (f [?] 8%) with a small temperature difference of about 700 K. During the study of the starfield, a nearby object, HE 1323-0830, was also discovered to be variable in light. This star has been cataloged as a candidate blue straggler and is most likely a pulsating variable.

Published
2010

116. Book Reviews.

Author

Perkowitz, Sidney, Ohanian, Hans C., Ryckman, Thomas, and Landolt, Arlo U.

Subjects
NONFICTION
Abstract

The article reviews several books including "The Shadow of Enlightenment: Optical and Political Transparency in France 1789-1848," by Theresa Levitt, "Kinematics: The Lost Origins of Einstein's Relativity," by Alberto A. Marténez, and "Mind and Nature: Selected Writings on Philosophy, Mathematics, and Physics," by Hermann Weyl and edited by Peter Pesic.

Published
2010
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