UV survey of δ Scuti stars: Final results and open problems

Details UV survey of δ Scuti stars: Final results and open problems UV survey of δ Scuti stars: Final results and open problems

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ap%26ss.240..205p&link_type=abstract

Astrophysics and Space Science, Volume 240, Issue 2, pp.205-213

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

The results obtained from our IUE observations of some δ Scuti stars and in particular 71 Tau and 69 Tau are reviewed. 71 Tau is the second brightest X-ray source of the Hyades cluster; on the contrary 69 Tau, very similar to 71 Tau in the optical range, does not show X emissions. The complex and in somewhat controversial scenario obtained from this survey is also discussed. In particular we consider the X-ray emission detected in some δ Scuti with respect to the chromospheric activity level as measured through the MgII line and to other stellar parameters.

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