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Fig. 5


B-band luminosity histogram of our spectroscopic sample. The red solid line depicts a Hanning-smoothed fit to this histogram. The blue dashed line indicates a Schechter fit to the bright end (). The obtained parameter is for the characteristic luminosity. We assume a slope at the faint end of α =  − 1.00. The incompleteness of our sample is given by the difference between the two lines.

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