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   51187
   The Unified Seyfert model well describes the characteristics of Seyfert
   2 galaxies. However it is still open question whether the model apply
   for all Seyfert 2 galaxies. We have found that the forbidden line,
   [OIII]5007 is a good indicator to find an obscured nucleus in Seyfert 2
   galaxy. We will make unbiased sample with the intensity of the [OIII]
   5007 line, and will check the characteristics of Seyfert 2 galaxy,
   systematically.
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