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Does anyone know how to correct for reddening in a CC-diagram?

  1. Aug 21, 2012 #1

    tyskstil

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    I have an observed spectrum for an object (magnitudes at 4 wavelengths) and need to correct for reddening before placing the object in a CC diagram... I have some color excess ratios, but I am not sure how to use them...
     
    tyskstil, Aug 21, 2012
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  3. Aug 21, 2012 #2

    tyskstil

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    Specifically:

    My spectrum measured by Spitzer at wavelengths:
    lambda (mu m): 3.6, 4.5 ,5.8 and 8.0
    magnitude (mag): 12.954, 13.015, 13.091, 12.917

    The color excess ratios defined through E(Ks −[lambda])/E(J−H) at each lambda are:
    0.39, 0.47, 0.56, 0.555

    I am not sure how to use this.
     
    tyskstil, Aug 21, 2012
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