CCD photometry of the δ-Scuti star κ^2^ Bootis.

Details CCD photometry of the δ-Scuti star κ^2^ Bootis. CCD photometry of the δ-Scuti star κ^2^ Bootis.

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...301..123f&link_type=abstract

Astronomy and Astrophysics, v.301, p.123

Astronomy and Astrophysics

Astrophysics

34

Stars: {Delta}-Scuti, {Kappa}^2^ Boo, Oscillations, Evolution

Scientific paper

CCD time-series differential photometry of the binary star κBoo has been carried out from a small in town situated telescope. One component of the system is known to be a δ-Scuti pulsator. Due to the high S/N data, four frequencies have been detected even though the window function is quite complicated. A search for a standard model that fits all available data, including the observed mode frequencies, produces a model, which fits everything well, but with an unlikely combination of modes. This demonstrates the necessity of redundant data of very high quality, if the seismic studies shall lead to progress in the understanding of stellar evolution. An interesting byproduct is that the analysis leads to precise prediction for observables that we expect to have in the near future, such as the distance to be published in the Hipparcos catalog.

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