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| HAL : hal-00402200, version 1 |
| arXiv : 0906.4556 |
| Fiche détaillée |  Récupérer au format |
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| Astronomy and Astrophysics 503, 2 (2009) 379-398 |
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| The zCOSMOS Redshift Survey: the role of environment and stellar mass in shaping the rise of the morphology-density relation from z~1 |
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| L. A. M. Tasca 1J. P. Kneib 1 |
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| (2009) |
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| For more than two decades we have known that galaxy morphological segregation is present in the Local Universe. It is important to see how this relation evolves with cosmic time. To investigate how galaxy assembly took place with cosmic time, we explore the evolution of the morphology-density relation up to redshift z~1 using about 10000 galaxies drawn from the zCOSMOS Galaxy Redshift Survey. Taking advantage of accurate HST/ACS morphologies from the COSMOS survey, of the well-characterised zCOSMOS 3D environment, and of a large sample of galaxies with spectroscopic redshift, we want to study here the evolution of the morphology-density relation up to z~1 and its dependence on galaxy luminosity and stellar mass. The multi-wavelength coverage of the field also allows a first study of the galaxy morphological segregation dependence on colour. We further attempt to disentangle between processes that occurred early in the history of the Universe or late in the life of galaxies. The zCOSMOS field benefits of high-resolution imaging in the F814W filter from the Advanced Camera for Survey (ACS). We use standard morphology classifiers, optimised for being robust against band-shifting and surface brightness dimming, and a new, objective, and automated method to convert morphological parameters into early, spiral, and irregular types. We use about 10000 galaxies down to I_AB=22.5 with a spectroscopic sampling rate of 33% to characterise the environment of galaxies up to z~1 from the 100 kpc scales of galaxy groups up to the 100 Mpc scales of the cosmic web. ABRIDGED |
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| 1 : | Laboratoire d'Astrophysique de Marseille (LAM) |
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CNRS : UMR6110 – INSU – Université de Provence - Aix-Marseille I |
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| 2 : | Osservatorio Astronomico di Brera |
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INAF |
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| 3 : | Autres |
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AUTRE |
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| 4 : | INAF- Osservatorio Astronomico di Bologna (INAF) |
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INAF |
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| 5 : | Mathématiques - Analyse, Probabilités, Modélisation - Orléans (MAPMO) |
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Université d'Orléans – CNRS : UMR7349 |
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| 6 : | INAF- Milano |
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INAF |
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| 7 : | California Institute of Technology (Caltech) |
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California Institute of Technology |
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| 8 : | Spitzer Science Center, California Institute of Technology, Pasadena |
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California Institute of Technology |
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| 9 : | The University of Chicago |
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Dept of the Geophysical Sciences |
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| 10 : | Laboratoire Astrophysique de Toulouse-Tarbes (LATT) |
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CNRS : UMR5572 – INSU – Observatoire Midi-Pyrénées – Université Paul Sabatier [UPS] - Toulouse III |
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| 11 : | Space Telescope Science Institute (STSI) |
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Space Telescope Science Institute |
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| 12 : | Istituto Nazionale di Astrofisico -Osservatorio Astronomico di Bologna (INAF) |
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INAF |
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| 13 : | Laboratoire d'Astrophysique de l'Observatoire Midi-Pyrénées (LATT) |
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CNRS : UMR5572 – INSU – Observatoire Midi-Pyrénées – Université Paul Sabatier [UPS] - Toulouse III |
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| 14 : | Laboratory for Climate Studies |
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Laboratory for Climate Studies |
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| 15 : | Seaver Autism Research Center |
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Mount Sinai School of Medicine |
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| 16 : | School of Biotechnology and Biomecular Sciences |
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University of New South Wales |
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| 17 : | Centre de Physique Théorique (CPT) |
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CNRS : FR2291 – Université de Provence - Aix-Marseille I – Université de la Méditerranée - Aix-Marseille II – Université Sud Toulon Var |
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| 18 : | Institut d'Astrophysique de Paris (IAP) |
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CNRS : UMR7095 – INSU – Université Pierre et Marie Curie [UPMC] - Paris VI |
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| 19 : | Istituto di Astrofisica Spaziale e Fisica cosmica - Bologna (IASF-Bo) |
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INAF |
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| Domaine | : | Physique/Astrophysique/Cosmologie et astrophysique extra-galactique |
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| Lien vers le texte intégral : |
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| http://fr.arXiv.org/abs/0906.4556 |
| hal-00402200, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00402200 | |
| oai:hal.archives-ouvertes.fr:hal-00402200 | |
| Contributeur : Elizabeth Bernardo | |
| Soumis le : Mardi 7 Juillet 2009, 08:01:58 | |
| Dernière modification le : Lundi 5 Octobre 2009, 11:32:59 | |
