SIMBAD references

2019MNRAS.483..370B - Mon. Not. R. Astron. Soc., 483, 370-380 (2019/February-2)

The integrated properties of the CALIFA galaxies: model-derived galaxy parameters and quenching of star formation.

BITSAKIS T., SANCHEZ S.F., CIESLA L., BONFINI P., CHARMANDARIS V., CERVANTES SODI B., MARAGKOUDAKIS A., DIAZ-SANTOS T. and ZEZAS A.

Abstract (from CDS):

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/Mstar 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.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): techniques: imaging spectroscopy - galaxies: evolution - galaxies: general

VizieR on-line data: <Available at CDS (J/MNRAS/483/370): table1.dat table2.dat>

Simbad objects: 663

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