Frequency analysis of the δ Scuti type pulsations in the semi-detachedeclipsing binary CT Her

Details Frequency analysis of the δ Scuti type pulsations in the semi-detachedeclipsing binary CT Her Frequency analysis of the δ Scuti type pulsations in the semi-detachedeclipsing binary CT Her

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008coast.157..328l&link_type=abstract

Communications in Asteroseismology, Vol.157, p. 328-329

Computer Science

3

Scientific paper

We present the latest results of a multisite photometric campaign carried out in 2004-2007 on the Algol-type eclipsing binary system CT Her, the primary component of which is a δ Scuti- type pulsator with a main pulsation period of only 27 min. CT Her belongs to the new class of oscillating Algol-type binary systems. We collected enough data in two passbands to perform a modelling of the light curves using PHOEBE and detected up to 7 significant pulsation frequencies in the frequency range between 45-53 d-1 in the B-residual data (independent of the adopted solution for the binary model). The remaining standard deviation of the ca. 7500 B-residuals spread over 4 years is 5.0 mmag.

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