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Hans Publishers, Astronomy & Astrophysics, (562), p. A113

DOI: 10.1051/0004-6361/201322193

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Listening to galaxies tuning atz~ 2.5–3.0: The first strikes of the Hubble fork

Journal article published in 2014 by M. Talia, A. Cimatti, M. Mignoli ORCID, L. Pozzetti, A. Renzini ORCID, J. Kurk, C. Halliday
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We investigate the morphological properties of 494 galaxies selected from the GMASS survey at z>1, primarily in their optical rest frame, using HST images, from the CANDELS survey. We propose that the Hubble sequence of galaxy morphologies takes shape at redshift 2.51, such that at redshifts z=2.5-2.7 and above, the Hubble types cannot be identified, and most galaxies are classified as irregular. The quantitative morphological analysis shows that, at 1