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I am working on a Bayesian analysis project for class using data I gathered some data from NASA's Sloan Atlas (http://www.nsatlas.org/). One of the variables I am dealing with is the Sérsic Index (calculated by http://iopscience.iop.org/article/10.1088/0004-6256/142/1/31/pdf). I am wondering if there is some error associated with this value. I hope to model each galaxies Sersic index as a gaussian, but I can´t wrap my head around what to write as the error.

Thanks for your time!

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  • $\begingroup$ I see nothing in the paper you linked talking about how to calculate the Sersic Index. Would you mind specifying a specific page, section, equation, etc.? $\endgroup$
    – zephyr
    Commented Mar 8, 2017 at 13:54

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