Abstract
Although there have been several claims for the detection of solar g-modes with periods between 2 and 10 hours1–3 and although the present sensitivity of the Princeton Solar Distortion Telescope should allow these low frequency modes to be observed, solar oblateness data from the summers of 1983 and 1984 show no evidence of such oscillations with periods between 1 and 5 hours. In about 250 days (nearly 1,000 hours) of observations, we find no evidence for significant spectral power associated with g-modes. In particular, there is no evidence of a 160.01-min period solar oscillation.
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Kuhn, J., Libbrecht, K. & Dicke, R. Solar ellipticity fluctuations yield no evidence of g-modes. Nature 319, 128–131 (1986). https://doi.org/10.1038/319128a0
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DOI: https://doi.org/10.1038/319128a0
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