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19962026
most citedMolecular Gas and Star Formation in Nearby Disk Galaxies

681 citations

Showing 2026Show all

9 papers · 1 filter

astro-ph.EP2026

Destructuring the disk of AB Aurigae: Dynamics and accretion

Anthony Boccaletti, Emmanuel Di Folco, Anne Dutrey +23

In this paper, we present near-IR polarized images of the AB Aur disk at three epochs spanning 3.85 years with SPHERE/IRDIS, as well as Halpha images obtained with SPHERE/ZIMPOL at…

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…

math.OC2026

Law-invariant BSDEs and dynamic risk measures: new characterizations

Zakaria Bensaid, Roxana Dumitrescu, Anis Matoussi +1

We provide a new characterization of law-invariant backward stochastic differential equations (i.e. BSDEs) with quadratic growth. This answers the open question raised in Xu--Xu--Z…

astro-ph.EP2026★ 7 cited

Perihelion observations of interstellar comet 3I/ATLAS with the IRAM 30-m telescope

N. Biver, D. Bockelée-Morvan, R. Moreno +6

3I/ATLAS is the third interstellar comet identified as passing through the Solar System. Its high outgassing activity and favourable perihelion passage on October 29, 2025 UT provi…

astro-ph.EP2026

Ortho-Para Chemistry of H2CO in the Protoplanetary Disk TW Hya

M. Gaillard, A. Faure, P. Hily-Blant +4

The spatial distribution of the chemical reservoirs in protoplanetary disks is key to elucidate the composition of planets, especially habitable ones. However, the partitioning of…

astro-ph.GA2026

Resolved molecular gas and star-formation in massive unquenched spirals : I. UGC 8179

Romane Cologni, Simon Flesch, Philippe Salomé +7

Recent studies have uncovered a rare population of super-massive (M* > 1e11 Msun) star-forming spiral galaxies, Super Spiral Galaxies (SSGs), whose existence challenges classical q…

astro-ph.GA2026

Spatial distribution of organics in the Horsehead nebula: Signposts of chemistry driven by atomic carbon

Claudio Hernández-Vera, Viviana V. Guzmán, Jérôme Pety +10

(Abridged) Complex organic molecules (COMs) are considered essential precursors to prebiotic species. While COMs were once expected to be efficiently destroyed under UV-irradiated…

astro-ph.GA2026

G183: An outer galaxy filament feeding a massive protostar

Bhaswati Mookerjea, Saurav Sen, V. S. Veena +1

We present the first detailed multi-tracer observation of a 5-pc long outer Galaxy filament, G183, and the massive young stellar object (YSO) IRAS 05480+2545 associated with it. Us…