Unstable Wind of 6 Cassiopeiae

Details Unstable Wind of 6 Cassiopeiae Unstable Wind of 6 Cassiopeiae

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.232..217c&link_type=abstract

Astrophysics and Space Science, Volume 232, Issue 2, pp.217-232

Astronomy and Astrophysics

Astrophysics

7

Scientific paper

Propagation of discrete absorption components along the broad wind profiles of H and Fe II has been observed for the first time for a white hypergiant (6 Cas A2.5 Ia-0). CCD-echelle spectrometers of 6-m and 1-m telescopes of SAO RAS were used. The motion of the discrete components was traced for a period of 200 days in the 50 to 180 km s-1 interval of expansion velocity. The observed phenomenon is similar to that described for P Cygni. Corraboration of pulsations of 6 Cas has been obtained.

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