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HYDROGEN-LINE EMISSION IN THE SPECTRUM OF U CEPHEI

A. H. BATTEN and P. G. LASKARIDES
Publications of the Astronomical Society of the Pacific
Vol. 81, No. 482 (October 1969), pp. 677-684
Stable URL: http://www.jstor.org/stable/40676505
Page Count: 8
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
HYDROGEN-LINE EMISSION IN THE SPECTRUM OF U CEPHEI
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Abstract

Although all attempts to observe Ha emission in the spectrum of the eclipsing binary U Cephei during eclipse have so far failed, doubling of the hydrogen lines is observed in spectra obtained at quadratures. It is suggested that this is a partial filling of the absorption line by emission originating in the gaseous stream that flows from the cooler star to the hotter.

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