Discovery of non-radial pulsations in the spectroscopic binary Herbig Ae star RS Cha

Details Discovery of non-radial pulsations in the spectroscopic binary Herbig Ae star RS Cha Discovery of non-radial pulsations in the spectroscopic binary Herbig Ae star RS Cha

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008coast.157...47b&link_type=abstract

Communications in Asteroseismology, Vol.157, p. 47-51

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The spectroscopic binary Herbig Ae star RS Cha was monitored in quasi-continuous observa- tions during 14 observing nights (2006) at the 1m Mt John telescope (New Zeeland) with the Hercules high-resolution echelle spectrograph. For the first time, we discovered by di- rect observational means non-radial oscillations in a binary Herbig Ae star using high echelle spectroscopy. A preliminary mode identification was performed yielding strong constraints on upcoming asteroseismological models.

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