Periodic modulations in the optical light curves of EX Hydrae

Periodic modulations in the optical light curves of EX Hydrae

New results on the periodic modulations in the optical light curves of EX Hudrae observed during 1982-84 are presented. The period analysis has been done using synchronous summation and discrete Fourier transform methods. New periodicities at 34.7 min and 26.7 min are reported, and the detection of...

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Veröffentlicht in:Astrophysics and space science 1987-02, Vol.130 (1-2), p.193-196
Hauptverfasser: Seetha, S., Sharma, D. P., Padmini, V. N., Marar, T. M. K., Kasturirangan, K., Rao, U. R., Bhattacharyya, J. C.
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Sprache:eng
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Zusammenfassung:New results on the periodic modulations in the optical light curves of EX Hudrae observed during 1982-84 are presented. The period analysis has been done using synchronous summation and discrete Fourier transform methods. New periodicities at 34.7 min and 26.7 min are reported, and the detection of the 46.3 min modulation recently reported is confirmed. Data are included to derive the rate of decrease of the 67 min period. (Author)
ISSN:0004-640X
1572-946X
DOI:10.1007/BF00654994