Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 483, Issue 1, Pages 370-380Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mnras/sty2857
Keywords
techniques: imaging spectroscopy; galaxies: evolution; galaxies: general
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Funding
- Consejo Nacional de Ciencia y Tecnologia (CONACYT)
- Atacama Large Millimeter Array-CONICYT project [31130005]
- Fondo Nacional Cientifico y Tecnol\'ogico regular project [1151239]
- PAPIIT project from Universidad Nacional Autonoma de Mexico (UNAM) [IA103517]
- CONACYT [CB-285080]
- (UNAM) project [PAPIIT-DGAPA-IA101217]
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We present a study of the integrated properties of the 835 galaxies in the Calar-Alto Legacy Integral Field spectroscopy Area survey. To derive the main physical parameters of the galaxies we have fitted their UV-to-IR spectral energy distributions (SEDs) with sets of theoretical models using CIGALE. We perform a comparison of the integrated galaxy parameters derived from multiband SED fitting with those obtained from modelling the Integral Field Unit spectra and show the clear advantage of using the SED-derived star formation rates (SFRs). A detailed analysis of galaxies in the SFR/M-star plane as a function of their properties reveals that quenching of star formation is caused by a combination of gas deficiency and the inefficiency of the existing gas to form new stars. Exploring the plausible mechanisms that could produce this effect, we find a strong correlation with galaxy morphology and the build-up of central bulge. On the other hand, the presence of Active Galactic Nucleus and/or a stellar bar, as well as the local environment have only temporal effects on the current star formation, a result also consistent with their model-derived star formation histories.
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