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Pulsation periods in theδ Scuti star HR 1170

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Abstract

All knownV data from the literature for the δ Scuti star HR 1170 have been reanalysed by using single-frequency Fourier and multiple-frequency least squares analysis. The calculated periods areP 1=0 d. 09942 andP 2=0 d. 08392. The second frequency has not been found before and gives better residuals and almost constant amplitudes for the individual data sets. The period ratio andQ values indicate that this star is not pulsating in pure radial modes.

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Authors and Affiliations

  1. Institut für Astronomie, Universität Wien, Vienna, Austria

    W. M. Ostermann

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  1. W. M. Ostermann
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Ostermann, W.M. Pulsation periods in theδ Scuti star HR 1170. Astrophys Space Sci 164, 87–93 (1990). https://doi.org/10.1007/BF00653553

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  • DOI: https://doi.org/10.1007/BF00653553

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