Multisite campaign of the Delta-Scuti star HR 729

Details Multisite campaign of the Delta-Scuti star HR 729 Multisite campaign of the Delta-Scuti star HR 729

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...245..543o&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 245, no. 2, May 1991, p. 543-547.

Astronomy and Astrophysics

Astrophysics

6

Stellar Oscillations, Variable Stars, Astronomical Observatories, Stellar Spectrophotometry

Scientific paper

Multisite photoelectric V photometry of the Delta-Scuti star HR 729 was obtained during November 1988 on three continents at four observatories. With single-frequency Fourier and multiple-frequency least-squares analysis six pulsation frequencies were found: 14.79, 13.20, 17.40, 19.85, 15.41, and 13.73 cycles/d. This six-frequency solution fits the observation to + or - 0.0033 mag per single measurement and leaves only noise in the power spectrum of HR 729. The corresponding Q values of 0.023 to 0.035 days indicate a complex mixture of p modes with different l values.

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