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The long-period semi-detached giant binary system 5 Ceti.
Bibcode: 1988AcA....38..353E

Eaton, Joel A.; Barden, Samuel C.

The binary system 5 Ceti consists of a K3 III star at or near its Roche lobe and a small hot companion best studied in the satellite ultraviolet. The hot radiation source at the secondary star is immersed in the chromosphere of the K giant, and the slight enhancements of a few UV absorption lines at secondary minimum are used to estimate chromosph…

1988 Acta Astronomica
IUE 17