H[alpha]3: an H[alpha] imaging survey of HI selected galaxies from ALFALFA: VI. The role of bars in quenching star formation from z = 3 to the present epoch

A growing body of evidence indicates that the star formation rate per unit stellar mass (sSFR) decreases with increasing mass in normal main-sequence star-forming galaxies. Many processes have been advocated as being responsible for this trend, e.g., feedback from active galactic nuclei (AGN5), and...

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Veröffentlicht in:Astronomy and astrophysics (Berlin) 2015-08, Vol.580
Hauptverfasser: Gavazzi, G, Consolandi, G, Dotti, M, Fanali, R, Fossati, M, Fumagalli, M, Viscardi, E, Savorgnan, G, Boselli, A, Gutierrez, L, Toledo, H Hernandez, Giovanelli, R, Haynes, M P
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container_title Astronomy and astrophysics (Berlin)
container_volume 580
creator Gavazzi, G
Consolandi, G
Dotti, M
Fanali, R
Fossati, M
Fumagalli, M
Viscardi, E
Savorgnan, G
Boselli, A
Gutierrez, L
Toledo, H Hernandez
Giovanelli, R
Haynes, M P
description A growing body of evidence indicates that the star formation rate per unit stellar mass (sSFR) decreases with increasing mass in normal main-sequence star-forming galaxies. Many processes have been advocated as being responsible for this trend, e.g., feedback from active galactic nuclei (AGN5), and the formation of classical bulges. In order to improve our insight into the mechanisms regulating the star formation in normal star-forming galaxies across cosmic epochs, we determine a refined star formation versus stellar mass relation in the local Universe. To this end we use the H[alpha] narrow-band imaging follow-up survey (H[alpha]3) of field galaxies selected from the HI Arecibo Legacy Fast ALFA Survey (ALFALFA) in the Coma and Local super-clusters. Our study highlights how the formation of strong bars in massive galaxies is an important mechanism in regulating the redshift evolution of the sSFR for field main-sequence galaxies.
doi_str_mv 10.1051/0004-6361/201425351
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source Bacon EDP Sciences France Licence nationale-ISTEX-PS-Journals-PFISTEX; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; EDP Sciences
subjects Alfalfa
Bars
Feedback
Formations
Galaxies
Imaging
Star formation
Stellar mass
title H[alpha]3: an H[alpha] imaging survey of HI selected galaxies from ALFALFA: VI. The role of bars in quenching star formation from z = 3 to the present epoch
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