s objects</span></dt><dd><p>Optional - Define the surface brightness profile with a list of sb_profs objects which will be evaluated in order. [Default = single exponential disc]
expscale_guess : float
Optional - defines the scalelength of the default single exponential disc used if sb_profile is not set. arcseconds. [Default = a fifth of the total extent of the cube]
skySampClouds : ndarray
Optional - Input cloud model made with the skySampler tool if you dont want to fit the gas distribution.</p>
</dd>
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