Astronomy and Astrophysics – Astrophysics
Scientific paper
2004-02-09
Astronomy and Astrophysics
Astrophysics
Invited review presented at the MinySymposium ``Asteroseeismology and Stellar Evolution", JENAM, Budapest, 25-30 August 2003 -
Scientific paper
10.1553/cia145s53
The aspects of the analysis of photometric time-series obtained on double-mode or multiperiodic pulsating stars are briefly reviewed. In particular, the ratios between frequencies are used to pin cases revealing peculiarities. In addition to the Petersen diagrams, we also demonstrated that the period ratios can detect interesting objects. In particular, new results are obtained on High--Amplitude Delta Scuti contained in the OGLE-II database.
Beltrame Marco
Poretti Ennio
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