Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983pasp...95...61d&link_type=abstract
Astronomical Society of the Pacific, Publications, vol. 95, Jan. 1983, p. 61-68. Research supported by the Natural Sciences and
Astronomy and Astrophysics
Astronomy
3
Cepheid Variables, Stellar Spectrophotometry, Variable Stars, Electrophotometers, Least Squares Method
Scientific paper
New photoelectric observations of the Delta Scuti star HR 5960 (CL Dra) obtained on nine closely spaced nights are discussed. It is noted that periodicities in the range of 0.06 d to 0.069 d have already been reported for this star. A Jurkevich periodogram analysis and nonlinear least-squares analysis give a primary period of 0.0676 d, with a secondary period of 0.0493 d. There is still some uncertainty whether the primary period is 0.0676 d or 0.0685 d. On the average, 55 observations of the variable were obtained each night, with an average interval of 5.5 minutes between observations. The air mass of the observations varied from 1.06 to 1.3. In all, 492 observations of the variable star were made.
Burgoyne L. G.
Dupuy David L.
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