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The evolution of activity in galaxies from z=0.45 to the present time

Published online by Cambridge University Press:  25 July 2014

Grażyna Stasińska ,
M. V. Costa-Duarte  and
N. Vale Asari
Grażyna Stasińska
Affiliation:
LUTH, Observatoire de Paris, CNRS, Université Paris Diderot, Place Jules Janssen, F-92190 Meudon email: grazyna.stasinska@obspm.fr
M. V. Costa-Duarte
Affiliation:
LUTH, Observatoire de Paris, CNRS, Université Paris Diderot, Place Jules Janssen, F-92190 Meudon email: grazyna.stasinska@obspm.fr Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, São Paulo, Brazil email: mvcduarte@astro.iag.usp.br
N. Vale Asari
Affiliation:
Departamento de Física - CFM - Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil email: natalia@astro.ufsc.br
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Abstract

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We use spectra from the SDSS to study the signatures of nuclear activity over cosmic time, dividing the samples in redshift and mass bins, and using various diagnostic diagrams. A redshift evolution clearly emerges from the analysis of our diagrams.

Keywords

surveysgalaxies: generalgalaxies: active
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S304: Multiwavelength AGN Surveys and Studies , October 2013 , pp. 217 - 220
Copyright
Copyright © International Astronomical Union 2014 

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