zCOSMOS 20k sample parameter space characteristics

zCOSMOS 20k sample parameter space characteristics

Oskar Kopczyński

We present some of the spectroscopic, morphological and color properties of the still unpublished zCOSMOS spectroscopic survey 20 000 (20k) galaxy sample. Four main classes of galaxies are outlined based on a specic combination of the D4000 break parameter, OII emission line equivalent width, and the Sersic index Moreover, we postulate a relationship between the above-mentioned galaxy properties and the parameter Mgal (distinct from stellar mass M), describing the total amount of gas transformed into stars through a particular galaxy's history.

Proceedings of the Polish Astronomical Society, vol. 4, 177-181 (2017)

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