A study of the variability of the Delta Scuti stars. V Photoelectric photometry of the bright star HR 2557

Details A study of the variability of the Delta Scuti stars. V Photoelectric photometry of the bright star HR 2557 A study of the variability of the Delta Scuti stars. V Photoelectric photometry of the bright star HR 2557

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..89..429b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 89, no. 2, Jan. 1983, p. 429-433.

Astronomy and Astrophysics

Astrophysics

3

Cepheid Variables, Stellar Oscillations, Stellar Spectrophotometry, Astronomical Photometry, Electrophotometry, Frequencies

Scientific paper

More than 1700 photometric V observations of the Delta Scuti star HR 2557, obtained at the Merate Observatory during the two periods: 1979-80 and 1981, are analyzed. In spite of the fact that the sets of frequencies for the two periods are similar, the interpretation of these oscillations is far to be satisfactory. The lowest frequencies can be reasonably interpreted as corresponding to the lowest radial modes. Unfortunately, nothing can be said about the highest frequencies.

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