... galaxies
Based on observations made with the 12-m National Radio Astronomical Observatory, Kitt Peak, Arizona.
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... telescope
The Kitt Peak 12-m telescope was operated by Associated Universities, Inc., under cooperative agreement with the National Science Foundation.
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...NII]EW
The HNII]EW is a normalized entity since it is defined as the H + [NII] flux normalized to the underlying red continuum.
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