Spectroscopic mode identification of the δ Scuti star 4 CVn

Details Spectroscopic mode identification of the δ Scuti star 4 CVn Spectroscopic mode identification of the δ Scuti star 4 CVn

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008coast.157..124c&link_type=abstract

Communications in Asteroseismology, Vol.157, p. 124-127

Physics

2

Scientific paper

We studied the δ Scuti star 4 CVn through time-series spectroscopy1 , since photometry alone is insufficient to provide a unique solution to mode identification. However, the combination of multifilter photometry and high-resolution spectroscopy, similar to the data we obtained and analyzed, allows the necessary reliable mode identification. We have obtained 38 nights of time-series high-resolution spectroscopy at the 2.1 m telescope at McDonald Observatory for 4 CVn. We have done mode identification for five independent frequencies detected by spectroscopy, which were previously detected with photometric observations.

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