Stellar velocity dispersion of Luminous Compact Galaxies at intermediate redshift
Abstract
We present the stellar velocity dispersion measurements for 5 Luminous Compact Galaxies (LCGs) at z=0.5-0.7. These galaxies are vigorously forming stars with average SFR 40 M/yr. We find that their velocity dispersions range from 137\ km/s to 260\ km/s, while their stellar masses range between 4× 109 and 1011 M. If these LCGs evolve passively after this major burst of star formation, their masses and velocity dispersions, as well as their evolved colours and luminosities are most consistent with the values characteristic of early-type spiral galaxies today.
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