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Abstract Many research deal with physical properties of HI gas in all types of galaxies.The 21cm data analysis allows to measure spectral and radio properties for galaxies, so it allows to study physical operation that assistant in starformation. We interest here with 100 galaxy known as Starburst galaxies and made the statistical treatment on all data to study the optical properties and find the correlations between these data , but in general , this type have UV- radiation doesn't differ with other types that haven't this radiation in star formation properties just in sub-different.