GMASS Ultradeep Spectroscopy of Galaxies at 1.4<z<2. II. Superdense passive galaxies: how did they form and evolve ?

作者: E. Daddi , M. Mignoli , L. Pozzetti , S. Berta , A. Cimatti

DOI: 10.1051/0004-6361:20078739

关键词:

摘要: We combine ultradeep optical spectroscopy from the GMASS project ("Galaxy Mass Assembly Spectroscopic Survey") with GOODS multi-band photometry and HST imaging to study a sample of passive galaxiesat 1.39 2. These galaxies have morphologies that are predominantly compact spheroidal.However, their sizes (R_e 1, absent if R_e The results compared theoretical models main implications discussed in framework massive galaxy formation evolution.

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