A spectroscopic study of the β Cephei star 12 (DD) Lacertae

Details A spectroscopic study of the β Cephei star 12 (DD) Lacertae A spectroscopic study of the β Cephei star 12 (DD) Lacertae

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007coast.150..195d&link_type=abstract

Communications in Astroseismology, Vol. 150, p.195

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present first results of a spectroscopic multisite campaign for 12 (DD) Lacertae (hereinafter 12 Lac). This star is one of the best observed β Cephei stars. It has a large number of known oscillation frequencies but a lack of identified m-values for its detected modes. In our data set we find seven independent frequencies together with combination frequencies. In addition, two of these modes are identified: one radial mode and one prograde dipole mode.

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