The 160 minute solar oscillation - an artifact?

Elsworth, Y. P.; Jefferies, S. M.; McLeod, C. P.; New, R.; Palle, P. L.; van der Raay, H. B.; Regulo, C.; Cortes, T. Roca
Bibliographical reference

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 338, March 1, 1989, p. 557-562. Research supported by SERC and CAICYT.

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Analysis of data obtained over the years 1980-1985 are analyzed to show that the period of the 160-minute signal is indeed 160.00 minutes. It is demonstrated that this signal may be simulated by a slightly distorted diurnal sine wave such as that occasioned by differential atmospheric extinction.