High-redshift elliptical galaxies: are they (all) really compact?
| Autor: | C. Mancini, E. Daddi, A. Renzini, F. Salmi, H. J. McCracken, A. Cimatti, M. Onodera, M. Salvato, A. M. Koekemoer, H. Aussel, E. Le Floc'h, C. Willott, P. Capak |
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| Přispěvatelé: | Mancini C., Daddi E., Renzini A., Salmi F., McCracken H. J., Cimatti A., Onodera M., Salvato M., Koekemoer A. M., Aussel H., Floc'h E. Le, Willott C., Capak P. |
| Rok vydání: | 2010 |
| Předmět: |
Physics
Cosmology and Nongalactic Astrophysics (astro-ph.CO) Stellar mass 010308 nuclear & particles physics FOS: Physical sciences Astronomy and Astrophysics Astrophysics::Cosmology and Extragalactic Astrophysics Astrophysics Astrophysics - Astrophysics of Galaxies 01 natural sciences Imaging data Redshift Galaxy Space and Planetary Science Astrophysics of Galaxies (astro-ph.GA) 0103 physical sciences Elliptical galaxy Halo Surface brightness 010303 astronomy & astrophysics Astrophysics::Galaxy Astrophysics Noise (radio) Astrophysics - Cosmology and Nongalactic Astrophysics |
| Zdroj: | Monthly Notices of the Royal Astronomical Society. 401:933-940 |
| ISSN: | 1365-2966 0035-8711 |
| DOI: | 10.1111/j.1365-2966.2009.15728.x |
| Popis: | We investigate the properties of 12 ultra-massive passively evolving early type galaxies (ETGs) at z_phot>1.4 in the COSMOS 2 deg^2 field. These 12 ETGs were selected as pBzKs, have accurate 1.42.5x10^11 M_sun (Chabrier IMF). Contrary to previous claims, the half light radii estimated in very high S/N imaging data from HST+ACS are found to be large for most of the sample, consistent with local ellipticals. If the high redshift ETGs with M* 9 pages, 7 figures, accepted by MNRAS |
| Databáze: | OpenAIRE |
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