Multiple frequency analysis of the large-amplitude SX Phoenicis star BL Camelopardalis

Details Multiple frequency analysis of the large-amplitude SX Phoenicis star BL Camelopardalis Multiple frequency analysis of the large-amplitude SX Phoenicis star BL Camelopardalis

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999mnras.308..631z&link_type=abstract

Monthly Notices, Volume 308, Issue 3, pp. 631-639.

Physics

18

Scientific paper

A multifrequency analysis of the SX Phoenicis star BL Camelopardalis is presented on the basis of new high-speed photometry, along with fitting a total of 136 maxima. BL Cam is a multiple periodic pulsator. We find f_0=25.5768, f_1=25.2982, f_2=25.8622, f_3=31.5912, f_4=25.1065, f_5=25.5147 and f_6=25.6188cycled^-1 together with the harmonics 51.1513 and 76.7268cycled^-1 and combination frequencies f_0+f_1, f_0+f_2 and f_0+f_3. The new frequency solution represents the light curves of BL Cam quite well. The observed minus calculated (O-C) analysis indicates that the fundamental frequency is in good agreement with the results of Fourier analysis.

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