What question did this study set out to answer?

The aim is to understand how different environments influence galaxy evolution and star formation rates in the local Universe.

June 20, 2026Publications of the Astronomical Society of AustraliaOpen Access

The Galactic Squeeze: How Aggregate and Highly Dynamical Environments Shape Star Formation in the Local Universe

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Authors

WKW. van KempenSwinburne University of Technology MCM. E. CluverSwinburne University of Technology ETEdward N. TaylorSwinburne University of Technology

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Implication

Investigates how environmental factors affect star formation and galaxy evolution in the local Universe, indicating implications for cosmic structure.

Key Points

The aim is to understand how different environments influence galaxy evolution and star formation rates in the local Universe.
Compared SGP dataset with Nexus region centered on Abell 4038
Analyzed trends using logged specific star formation rates and quenched fractions
Conducted projected phase-space analysis of quenching in relation to orbital history
Quenched fraction increases with stellar mass across environments, with stronger patterns in groups
Mean log sSFR declines with stellar mass, showing additional suppression in group-scale halos
Environmental effects on quenching and star-forming properties vary with distance from the supercluster node

Cite This Study

Kempen et al. (2026) studied this question.

synapsesocial.com/papers/6a3631fbdb0793dc1a538a3f https://doi.org/10.1017/pasa.2026.10215

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Implication

Investigates how environmental factors affect star formation and galaxy evolution in the local Universe, indicating implications for cosmic structure.

The Galactic Squeeze: How Aggregate and Highly Dynamical Environments Shape Star Formation in the Local Universe

Discussion

Member takes

Implication

Key Points

Cite This Study

The Galactic Squeeze: How Aggregate and Highly Dynamical Environments Shape Star Formation in the Local Universe

Discussion

Member takes

Implication

Key Points

Cite This Study

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