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

Preprint

8 January 2008

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.0801.1184

Abstract

We combine ultradeep optical spectroscopy from the GMASS project ("Galaxy Mass Assembly ultradeep Spectroscopic Survey") with GOODS multi-band photometry and HST imaging to study a sample of passive galaxiesat 1.391, and absent if R_e<1 kpc. Because of the similar sizes and mass densities, we suggest that the superdense passive galaxies at 1<z2. The results are compared with theoretical models and the main implications discussed in the framework of massive galaxy formation and evolution.

Keywords

PASSIVE GALAXIES
GALAXIES AT Z
SUPERDENSE
EVOLUTION
ULTRADEEP
SPHEROIDS
KPC
R_E

All Related Versions

Version 1, 2008-01-08, ArXiv
Published version: Astronomy & Astrophysics, 482 (1), 21.

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