view Abstract Citations (1696) References (20) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Period determination using phase dispersion minimization. Stellingwerf, R. F. Abstract We derive a period determination technique that is well suited to the case of nonsinusoidal time variation covered by only a few irregularly spaced observations. A detailed statistical analysis allows comparison with other techniques and indicates the optimum choice of parameters for a given problem. Application to the double-mode Cepheid BK Cen demonstrates the applicability of these methods to difficult cases. Using 49 photoelectric points, we obtain the two primary oscillatory components as well as the principal mode-interaction term; the derived periods are in agreement with previous estimates. Publication: The Astrophysical Journal Pub Date: September 1978 DOI: 10.1086/156444 Bibcode: 1978ApJ...224..953S Keywords: Curve Fitting; Light Curve; Periodic Variations; Statistical Analysis; Variable Stars; Cepheid Variables; Computer Techniques; Data Smoothing; Least Squares Method; Run Time (Computers); Significance; Astronomy; Cepheids:Periods; Period Determination full text sources ADS | data products SIMBAD (2) Related Materials (1) Source Software: 2021ascl.soft05002S