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From the VIMOS VLT DEEP Survey (VVDS) we select a sample of 16 galaxies with spectra which identify them as having recently undergone a strong starburst and subsequent fast quenching of star formation. These post-starburst galaxies lie in…

Post-starburst galaxies are in the transitional stage between blue, star-forming galaxies and red, quiescent galaxies, and therefore hold important clues for our understanding of galaxy evolution. In this paper, we systematically searched…

Astrophysics of Galaxies · Physics 2017-02-15 Petchara Pattarakijwanich , Michael A. Strauss , Shirley Ho , Nicholas P. Ross

The existence of massive quiescent galaxies at high redshift seems to require rapid quenching, but it is unclear whether all quiescent galaxies have gone through this phase and what physical mechanisms are involved. To study rapid…

Post-starburst galaxies are believed to be in a rapid transition between major merger starbursts and quiescent ellipticals. Their optical spectrum is dominated by A-type stars, suggesting a starburst that was quenched recently. While…

Astrophysics of Galaxies · Physics 2023-07-26 Dalya Baron , Hagai Netzer , K. Decker French , Dieter Lutz , Ric I. Davies , J. Xavier Prochaska

Rapid transitions from starburst to quiescence constitute a key evolutionary pathway in galaxy formation. Post-starburst galaxies trace this brief phase, exhibiting optical spectra dominated by intermediate-age stellar populations with…

Astrophysics of Galaxies · Physics 2026-04-16 Dalya Baron , David J. Setton , Yilun Ma , J. X. Prochaska , Gabriela Canalizo , Ric Davies , Jenny E. Greene , Dieter Lutz

How do galaxies transform from blue, star-forming spirals to red, quiescent early-type galaxies? To answer this question, we analyzed a set of 26 gas-rich, shocked post-starburst galaxies with Hubble Space Telescope (HST) imaging in B, I,…

We explore the role of AGN in establishing and/or maintaining the bimodal colour distribution of galaxies by quenching their star-formation and hence, causing their transition from the blue to the red cloud. Important tests for this…

Post-starburst galaxies are typically considered to be a transition population, en route to the red sequence after a recent quenching event. Despite this, recent observations have shown that these objects typically have large reservoirs of…

Astrophysics of Galaxies · Physics 2019-01-30 Timothy A. Davis , Freeke van de Voort , Kate Rowlands , Stuart McAlpine , Vivienne Wild , Robert A. Crain

The quenching mechanisms of galaxies are not yet fully understood, but post-starburst galaxies provide one explanation for the rapid transition between star-forming and quiescent galaxies. At low redshift, it is generally thought that the…

Astrophysics of Galaxies · Physics 2025-08-15 Emma W. Nielsen , Charles L. Steinhardt , Mathieux Harper , Conor McPartland , Aidan Sedgewick

We present an analysis of 10 ks snapshot Chandra observations of 12 shocked post-starburst galaxies, which provide a window into the unresolved question of active galactic nuclei (AGN) activity in post-starburst galaxies and its role in the…

E+A galaxies are believed to be a short phase connecting major merger ULIRGs with red and dead elliptical galaxies. Their optical spectrum suggests a massive starburst that was quenched abruptly, and their bulge-dominated morphologies with…

Astrophysics of Galaxies · Physics 2021-12-08 Dalya Baron , Hagai Netzer , Dieter Lutz , J. Xavier Prochaska , Ric I. Davies

Post-starburst galaxies are believed to be in a rapid transition between major merger starbursts and quiescent ellipticals, where AGN feedback is suggested as one of the processes responsible for the quenching. To study the role of AGN…

Astrophysics of Galaxies · Physics 2024-01-19 Dalya Baron , Hagai Netzer , Dieter Lutz , Ric I. Davies , J. Xavier Prochaska

Post-starburst (or "E+A") galaxies trace the fastest and most dramatic processes in galaxy evolution. Recent work studying the evolution of galaxies through this phase have revealed insights on how galaxies undergo structural and stellar…

Astrophysics of Galaxies · Physics 2021-07-07 K. Decker French

We present the evolution in the number density and stellar mass functions of photometrically selected post-starburst galaxies in the UKIDSS Deep Survey (UDS), with redshifts of 0.5<z<2 and stellar masses logM>10. We find that this…

Astrophysics of Galaxies · Physics 2016-08-17 Vivienne Wild , Omar Almaini , Jim Dunlop , Chris Simpson , Kate Rowlands , Rebecca Bowler , David Maltby , Ross McLure

We present new deep spectroscopic observations of 0.05--0.5 L_* galaxies in one cluster (cl1232.5-1250) drawn from the ESO Distant Cluster Survey (EDisCS) sample, at z = 0.54. The new data extend the spectroscopy already available for this…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Gabriella De Lucia , Bianca M. Poggianti , Claire Halliday , Bo Milvang-Jensen , Stefan Noll , Ian Smail , Dennis Zaritsky

Post-starburst or "E+A" galaxies are rapidly transitioning from star-forming to quiescence. While the current star formation rate of post-starbursts is already at the level of early type galaxies, we recently discovered that many have large…

This work uses multiscale environments and structures of galaxies in the Sloan Digital Sky Survey as consistency checks of the evolution from starburst to quiescence at redshift $z < 0.2$. The environmental indicators include fixed aperture…

Astrophysics of Galaxies · Physics 2022-09-14 Hassen M. Yesuf

About 35 years ago a class of galaxies with unusually strong Balmer absorption lines and weak emission lines was discovered in distant galaxy clusters. These objects, alternatively referred to as post-starburst, E+A or k+a galaxies, are now…

Astrophysics of Galaxies · Physics 2019-03-27 M. M. Pawlik , S. McAlpine , J. W. Trayford , V. Wild , R. Bower , R. A. Crain , M. Schaller , J. Schaye

Recent literature suggests that there are two modes through which galaxies grow their stellar mass - a normal mode characterized by quasi-steady star formation, and a highly efficient starburst mode possibly triggered by stochastic events…

The quenching of star formation is a crucial phase in galaxy evolution. Although active galactic nuclei (AGN) feedback has been proposed as a key driver of this transition, the lack of strong AGN in nearby quenching galaxies raises…

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