The bimodality of the 10k zCOSMOS-bright galaxies up to
- G. Coppa
- M. Mignoli
- G. Zamorani
- S. Bardelli
- S. J. Lilly
- M. Bolzonella
- M. Scodeggio
- D. Vergani
- P. Nair
- L. Pozzetti
- A. Cimatti
- E. Zucca
- C. M. Carollo
- T. Contini
- O. Le Fèvre
- A. Renzini
- V. Mainieri
- A. Bongiorno
- K. I. Caputi
- O. Cucciati
- S. de la Torre
- L. de Ravel
- P. Franzetti
- B. Garilli
- P. Memeo
- A. Iovino
- P. Kampczyk
- J.-P. Kneib
- C. Knobel
- A. M. Koekemoer
- K. Kovač
- F. Lamareille
- J.-F. le Borgne
- V. le Brun
- C. Maier
- R. Pellò
- Y. Peng
- E. Perez-Montero
- E. Ricciardelli
- C. Scarlata
- J. D. Silverman
- M. Tanaka
- L. Tasca
- L. Tresse
- U. Abbas
- D. Bottini
- P. Capak
- A. Cappi
- P. Cassata
- M. Fumana
- L. Guzzo
- A. Leauthaud
- D. Maccagni
- C. Marinoni
- B. Meneux
- P. Oesch
- C. Porciani
- R. Scaramella
- N. Scoville
DOIAbstract
Aims. Our goal is to develop a new and reliable statistical method to classify galaxies from large surveys. We probe the reliability of the method by comparing it with a three-dimensional classification cube, using the same set of spectral, photometric and morphological parameters. Methods. We applied two different methods of classification to a sample of galaxies extracted from the zCOSMOS redshift survey, in the redshift range 0.5 ≲ z ≲ 1.3. The first method is a combination of three independent classification schemes – a spectroscopic one based on the strength of the continuum break at 4000 Å and the rest-frame equivalent width of the [O i
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