activity
20102026
most citedGalaxy pairs in the Sloan Digital Sky Survey - IV: Interactions trigger AGN

391 citations · 2.7k across the 43 of their papers we have counts for

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6 papers · 1 filter

astro-ph.GA2026

SALVAGE II: no systematic molecular gas depletion in the central 2 kpc of AGN hosts

Scott Wilkinson, Chiara Circosta, Toby Brown +5

In cosmological simulations, active galactic nuclei (AGN) feedback is found to be necessary for the shutdown of galaxy-wide star-formation by heating and/or removing molecular gas.…

astro-ph.GA2026

Galaxy evolution in the post-merger regime. V - Atomic gas evolution traced by ALFALFA stacks

Sara L. Ellison, Manasvee Saraf, Leonardo Ferreira +4

(Abridged) In this work, we investigate the role of atomic hydrogen (HI) gas in the galaxy merger lifecycle. In order to both identify galaxies in mergers, as well as to predict th…

astro-ph.GA2026

The Mass Dependence of the Fundamental Metallicity Relation in Observations and Simulations

Laura Carnevale, Alex M. Garcia, Paul Torrey +8

The metal content of galaxies provides direct insight into the underlying physical processes that drive galaxy evolution. An example of this is the three-parameter relationship bet…

astro-ph.GA2026

The effect of galaxy interactions on star formation rates in the COLIBRE simulations

Quinten W. E. van Zegveld, Evgenii Chaikin, Joop Schaye +8

Observations and theory indicate that galaxy interactions enhance star formation rates (SFRs). However, the degree of enhancement and its dependence on the properties of the intera…

astro-ph.HE2026

Merger Driven or Internal Evolution? A New Morphological Study of Tidal Disruption Event Host Galaxies

Janet N. Y. Chang, Connor Bottrell, Lixin Dai +7

The host galaxies of tidal disruption events (TDEs) show enhanced central stellar concentration and are preferentially found in poststarburst and green valley populations. This con…

astro-ph.GA2026

Galaxy Mergers in UNIONS -- II: Predicting Timescales in the Post-Merger Regime

Leonardo Ferreira, Sara L. Ellison, David R. Patton +3

Galaxy mergers are critical events that influence galaxy evolution by driving processes such as enhanced star formation, quenching, and active galactic nucleus (AGN) activity. Howe…