Low-frequency, low-degree solar p-mode measurements from recent BiSON data

CHAPLIN, W. J., ELSWORTH, Y., ISAAK, G. R., LINES, R., MCLEOD, C. P., MILLER, B. A. and NEW, R. (1996). Low-frequency, low-degree solar p-mode measurements from recent BiSON data. Monthly notices of the Royal Astronomical Society, 282 (1), L15-L19.

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    Abstract

    We present high-quality measurements of the frequencies of some acoustic modes of oscillation of the Sun, as determined from recent full-disc BiSON data. These cover the range 0 less than or equal to l less than or equal to 3 and 7 less than or equal to n less than or equal to 14. Several of the mode frequencies have been measured to accuracies as high as 5 parts in 10(6), as determined by the formal mode-fitting uncertainties. When compared with the model frequencies of the AARHUS group (model OPAL1 from Basu et al.) in which the Livermore equation of state, the Livermore opacities and both helium and heavy element diffusion and settling have been incorporated, the frequency differences (in the sense BiSON minus OPAL1) are typically of the order of only similar to -0.1 mu Hz over this frequency region.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Thin Films Research Centre > Nanotechnology Centre for PVD Research
    Page Range: L15-L19
    Depositing User: Ann Betterton
    Date Deposited: 09 Jun 2010 16:06
    Last Modified: 09 Jun 2010 16:06
    URI: http://shura.shu.ac.uk/id/eprint/2036

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