activity
20172026
most citedHow do central and satellite galaxies quench? -- Insights from spatially resolved spectroscopy in the MaNGA survey

144 citations · 1.4k across the 38 of their papers we have counts for

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37 papers · 1 filter

astro-ph.GA2026

From gas to stars along the spiral wave: CO, HCN, and star formation variations across the spiral arms in NGC 4321 and M51

Minou Greve, Lukas Neumann, Mallory Thorp +17

Molecular clouds form stars from the interstellar medium via gravitational collapse, following a sequence from low-density gas to high-density cores and eventually the formation of…

astro-ph.GA2026

Surveying the Whirlpool at Arcseconds with NOEMA (SWAN). IV. Extent of active galactic nucleus feedback on the interstellar medium

Mallory D. Thorp, Antonio Usero, Frank Bigiel +19

Active Galactic Nuclei (AGN) are intertwined with galaxy evolution, injecting energy into the interstellar medium (ISM) that could regulate star formation as a galaxy evolves. Howe…

astro-ph.GA2026★ 3 cited

The ALMaQUEST Survey XVII: Unveiling Multiple Quenching Pathways in Green Valley Galaxies via Molecular Gas and Quenching Timescale Analyses

Lihwai Lin, Po-Feng Wu, Mallory D. Thorp +6

Statistically, green valley (GV) galaxies exhibit lower molecular gas fractions () and reduced star formation efficiency (SFE) compared to star-forming galaxies. However,…

astro-ph.GA2025

PHANGS-JWST: the largest extragalactic molecular cloud catalog traced by polycyclic aromatic hydrocarbon emission

Z. Bazzi, D. Colombo, F. Bigiel +25

High-resolution JWST images of nearby spiral galaxies reveal polycyclic aromatic hydrocarbon (PAH) emission structures that trace molecular gas, including CO-dark regions. We ident…

astro-ph.GA2025

Azimuthal offsets in spiral arms of nearby galaxies

Miguel Querejeta, Sharon E. Meidt, Yixian Cao +28

Spiral arms play a central role in disc galaxies, but their dynamical nature remains a long-standing open question. Azimuthal offsets between molecular gas and star formation are e…

astro-ph.GA2025

Surveying the Whirlpool at Arcseconds with NOEMA (SWAN): III. CO/CO ratio variations across the M51 galaxy

Ina Galić, Mallory Thorp, Frank Bigiel +16

CO isotopologues are common tracers of the bulk molecular gas in extragalactic studies, providing insights into the physical and chemical conditions of the cold molecular gas, a re…

astro-ph.GA2025★ 1 cited

The SWAN view of dense gas in the Whirlpool -- A cloud-scale comparison of N2H+, HCO+, HNC and HCN emission in M51

Sophia K. Stuber, Eva Schinnerer, Antonio Usero +22

Tracing dense molecular gas, the fuel for star formation, is essential for the understanding of the evolution of molecular clouds and star formation processes. We compare the emiss…

astro-ph.GA2025★ 2 cited

Surveying the Whirlpool at Arcseconds with NOEMA (SWAN) II: Survey design and observations

K. Sophia Stuber, Jerome Pety, Antonio Usero +18

We present Surveying the Whirlpool at Arcseconds with NOEMA (SWAN), a high-resolution, high-sensitivity survey to map molecular lines in the 3mm band in M51 (the Whirlpool galaxy).…

astro-ph.GA2024★ 1 cited

Are all starbursts equal? Star-formation-rate profiles in merger versus secular starbursts

Mallory D. Thorp, Sara L. Ellison, Ana Galicia

Galaxy interactions can trigger drastic changes in the resolved star-forming properties of their constituents, but it remains unclear as to whether those changes are discernible fr…

astro-ph.GA2024★ 19 cited

PHANGS-MeerKAT and MHONGOOSE HI observations of nearby spiral galaxies: physical drivers of the molecular gas fraction,

Cosima Eibensteiner, Jiayi Sun, Frank Bigiel +36

The molecular-to-atomic gas ratio is crucial to the evolution of the interstellar medium in galaxies. We investigate the balance between the atomic () and molecular gas…

astro-ph.GA2024

The ALMaQUEST Survey XIII: Understanding radial trends in star formation quenching via the relative roles of gas availability and star formation efficiency

Hsi-An Pan, Lihwai Lin, Sara L. Ellison +7

Star formation quenching is one of the key processes that shape the evolution of galaxies. In this study, we investigate the changes in molecular gas and star formation properties…

astro-ph.GA2024

The ALMaQUEST Survey XII: Dense Molecular Gas as traced by HCN and HCO in Green Valley Galaxies

Lihwai Lin, Hsi-An Pan, Sara L. Ellison +11

We present ALMA observations of two dense gas tracers, HCN(1-0) and HCO(1-0), for three galaxies in the green valley and two galaxies on the star-forming main sequence with c…

astro-ph.GA2023

The ALMaQUEST Survey XI: A strong but non-linear relationship between star formation and dynamical equilibrium pressure

Sara L. Ellison, Hsi-An Pan, Asa F. L. Bluck +9

We present the extended ALMA MaNGA QUEnching and STar formation survey, a combination of the original 46 ALMaQUEST galaxies plus new ALMA observations for a further 20 interacting…

astro-ph.GA2023★ 11 cited

The ALMaQUEST Survey XIV: do radial molecular gas flows affect the star-forming ability of barred galaxies?

Lucy M. Hogarth, Amélie Saintonge, Tim A. Davis +5

We investigate whether barred galaxies are statistically more likely to harbour radial molecular gas flows and what effect those flows have on their global properties. Using 46 gal…

astro-ph.GA2023

VERTICO VII: Environmental quenching caused by suppression of molecular gas content and star formation efficiency in Virgo Cluster galaxies

Toby Brown, Ian D. Roberts, Mallory Thorp +20

We study how environment regulates the star formation cycle of 33 Virgo Cluster satellite galaxies on 720 parsec scales. We present the first resolved star-forming main sequence fo…

astro-ph.GA2023★ 9 cited

VERTICO VI: Cold-gas asymmetries in Virgo cluster galaxies

Ian D. Roberts, Toby Brown, Nikki Zabel +20

We analyze cold-gas distributions in Virgo cluster galaxies using resolved CO(2-1) (tracing molecular hydrogen, H2) and HI observations from the Virgo Environment Traced In CO (VER…

astro-ph.GA2023★ 16 cited

VERTICO V: The environmentally driven evolution of the inner cold gas discs of Virgo cluster galaxies

Adam B. Watts, Luca Cortese, Barbara Catinella +18

The quenching of cluster satellite galaxies is inextricably linked to the suppression of their cold interstellar medium (ISM) by environmental mechanisms. While the removal of neut…

astro-ph.GA2022★ 33 cited

The Molecular-Gas Main Sequence and Schmidt-Kennicutt relation are fundamental, the Star-Forming Main Sequence is a (useful) byproduct

William M. Baker, Roberto Maiolino, Francesco Belfiore +8

We investigate the relationship between the star formation rate (SFR), stellar mass () and molecular gas mass () for local star-forming galaxies. We further investiga…

astro-ph.GA2022★ 57 cited

The metallicity's fundamental dependence on both local and global galactic quantities

William M. Baker, Roberto Maiolino, Francesco Belfiore +6

We study the scaling relations between gas-phase metallicity, stellar mass surface density (), star formation rate surface density (), and molecular gas surface densi…

astro-ph.GA2022★ 38 cited

The ALMaQUEST Survey X: What powers merger induced star formation?

Mallory D. Thorp, Sara L. Ellison, Hsi-An Pan +5

Galaxy mergers are known to trigger both extended and central star formation. However, what remains to be understood is whether this triggered star formation is facilitated by enha…

astro-ph.GA2022★ 14 cited

The ALMaQUEST survey. VIII. What causes the velocity discrepancy between CO and H rotation curves in galaxies?

Yung-Chau Su, Lihwai Lin, Hsi-An Pan +6

We compare the CO(1-0) and H kinematics in 34 nearby galaxies, selected from the ALMaQUEST and EDGE-CALIFA surveys. We use 3-D Barolo, a 3D tilted ring model, to derive the CO a…

astro-ph.GA2022★ 43 cited

VERTICO II: effects of HI-identified environmental mechanisms on molecular gas

Nikki Zabel, Toby Brown, Christine D. Wilson +17

In this VERTICO early science paper we explore in detail how environmental mechanisms, identified in HI, affect the resolved properties of molecular gas reservoirs in cluster galax…

astro-ph.GA2022★ 74 cited

The quenching of galaxies, bulges, and disks since cosmic noon: A machine learning approach for identifying causality in astronomical data

Asa F. L. Bluck, Roberto Maiolino, Simcha Brownson +4

We present an analysis of the quenching of star formation in galaxies, bulges, and disks throughout the bulk of cosmic history, from . We utilise observations from the SDSS…

astro-ph.GA2022★ 28 cited

ALMaQUEST -- VII: Star Formation Scaling Relations of Green Valley Galaxies

Lihwai Lin, Sara L. Ellison, Hsi-An Pan +8

We utilize the ALMA-MaNGA QUEnch and STar formation (ALMaQUEST) survey to investigate the kpc-scale scaling relations, presented as the resolved star forming main sequence (rSFMS:…