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The 1982 eclipse of 31 Cygni (1984)

Hagen, W. ; Stencel, R. E. ; Schmidtke, P. C. ; [et al.]

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Publication Date: 2011-08-18

Description: UBV photometry and optical-UV spectroscopy of the primary eclipse of the long period Zeta Aurigae-like system 31 Cygni are reported. The precise timings made possible by the photometry imply that the spectral features could be due to an accretion shock associated with a hot star embedded in an extended chromosphere surrounding the red supergiant. The data also suggest an extended clumpy structure to the atmosphere of the late-type supergiant in the binary.

Keywords: ASTRONOMY

Type: Astrophysical Journal, Part 1 (ISSN 0004-637X); 281; 751-759

Format: text

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