Abstract
The lower part of the classical instability strip and the surrounding main sequence are populated by a large variety of pulsating variable stars. In the past years a great effort was made by the stellar group of Brera Observatory (E. Antonello, M. Bossi, L. Mantegazza, E. Poretti, F.M. Zerbi) to collect a large amount of photometric and spectroscopic data on δ Sct stars, the more numerous class. Observations were carried out using the telescopes located in Merate (0.50 m and 1.02 m; a third telescope having a diameter of 1.32 m will be available in the near future) and in La Silla (European Southern Observatory, Chile; we used the 0.50 m, 0.90 m, 1.0 m to make the photometric observations, the 1.4-m CAT for the spectroscopic ones).
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Poretti, E. (2000). The Pulsational Behaviour of Variable Stars in the Lower Part of the Instability Strip. In: İbanoğlu, C. (eds) Variable Stars as Essential Astrophysical Tools. NATO Science Series, vol 544. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4299-1_6
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DOI: https://doi.org/10.1007/978-94-011-4299-1_6
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