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HD 13788


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Stromgren photometry of three double mode high amplitude Beta Scuti stars
uvby-beta photoelectric photometric observations of the threedouble-mode high-amplitude Beta-Scuti stars AE UMa, RV Ari and BP Pegare presented. Periodogram analyses are performed using the FourierTransform Method. In all three stars the power spectra are complex, anda large number of frequencies are identified. For each star, all thesefrequencies are shown to be harmonics or combinations of two mainfrequencies nu1 and nu2 corresponding to the fundamental and firstradial pulsation modes, respectively. Intrinsic b - y, m1, and c1 valuesare derived and the physical parameters of these stars are determined.

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Observation and Astrometry data

Constellation:おひつじ座
Right ascension:02h14m40.69s
Declination:+19°03'34.0"
Apparent magnitude:9.15
Proper motion RA:20.6
Proper motion Dec:-14.1
B-T magnitude:9.534
V-T magnitude:9.182

Catalogs and designations:
Proper Names
HD 1989HD 13788
TYCHO-2 2000TYC 1217-610-1
USNO-A2.0USNO-A2 1050-00618427
HIPHIP 10451

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