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- W4384153553 endingPage "3704" @default.
- W4384153553 startingPage "3692" @default.
- W4384153553 abstract "The connection between quenching mechanisms, which rapidly turn star-forming systems into quiescent, and the properties of the galaxy population remains difficult to discern. In this work we investigate the physical properties of MaNGA and SAMI galaxies at different stages of their star formation history. Specifically, we compare galaxies with signatures of recent quenching (Quenched) -- $rm H(alpha)$ in absorption and low $D_n(4000)$ -- with the rest of the low star-forming and active population (Retired and Ageing, respectively). The analysis is performed in terms of characteristics such as the total stellar mass, half-light radius, velocity-to-dispersion ratio, metallicity, and environment. We find that the Ageing population comprises a heterogeneous mixture of galaxies, preferentially late-type systems, with diverse physical properties. Retired galaxies, formerly Ageing or Quenched systems, are dominated by early-type high-mass galaxies found both at low and dense environments. Most importantly, we find that recently quenched galaxies are consistent with a population of compact low-mass satellite systems, with higher metallicities than their Ageing analogues. We argue that this is compatible with being quenched after undergoing a star-burst phase induced by environmental processes (e.g. ram pressure). However, we also detect a non-negligible fraction of field central galaxies likely quenched by internal processes. This study highlights that, in order to constrain the mechanisms driving galaxy evolution, it is crucial to distinguish between old (Retired) and recently quenched galaxies, thus requiring at least two estimates of the specific star formation rate over different timescales." @default.
- W4384153553 created "2023-07-14" @default.
- W4384153553 creator A5006897068 @default.
- W4384153553 creator A5012104757 @default.
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- W4384153553 creator A5025377130 @default.
- W4384153553 creator A5034961467 @default.
- W4384153553 creator A5074861919 @default.
- W4384153553 creator A5088808284 @default.
- W4384153553 date "2023-07-13" @default.
- W4384153553 modified "2023-10-14" @default.
- W4384153553 title "Ageing and quenching through the Ageing Diagram – II. Physical characterization of galaxies" @default.
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