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Evolution of Stars and Gas in Galaxies

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arxiv 2203.02041 v3 pith:G7RHLRKP submitted 2022-03-03 astro-ph.GA

classification astro-ph.GA
keywords evolutiongalaxiesgalaxyastronomicalaffectedarticlebillionschanges
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Essentially everything of astronomical interest is either part of a galaxy, or from a galaxy, or otherwise relevant to the origin or evolution of galaxies. Diverse examples are that the isotopic composition of meteorites provides clues to the history of star formation billions of years ago, and cosmological tests for the deceleration of the Universe are strongly affected by changes in the luminosities of galaxies during the lookback time sampled. The aim of this article is to review some of the vital connections that galaxy evolution makes among many astronomical phenomena.

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Cited by 12 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 65 citations worldwide. Full citation record

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    astro-ph.GA 2026-08 conditional novelty 7.0 of 10

    A minimal gas flow model shows that galaxy metallicity is a universal function of stellar mass divided by star formation rate, and that a gas-mass-based relation is more fundamental.

  2. Electron temperature relations and the direct N, O, Ne, S and Ar abundances of 49959 star-forming galaxies in DESI Data Release 2

    astro-ph.GA 2026-01 conditional novelty 7.0 of 10

    Direct electron-temperature measurements for about 50,000 star-forming galaxies from DESI DR2 yield the largest direct-method abundance catalogue ever built, two record-low-metallicity galaxies, and new trends in N/O,...

  3. Star-forming clump detection in nearby galaxies using Faster R-CNN and $ugrizy$ imaging data from CLAUDS and HSC-SSP

    astro-ph.IM 2026-07 conditional novelty 6.5 of 10

    A six-band Faster R-CNN with the Zoobot backbone detects star-forming clump candidates in ~700,000 local galaxies, claiming ~90% completeness and ~80% purity for clumps brighter than the surveys' detection limits.

  4. Detailed Abundance Determination of Metal-Poor Stars with X-Shooter II. - Chemically Disentangling the Halo, Disk and GSE

    astro-ph.GA 2026-08 reject novelty 6.0 of 10

    Stars on ancient prograde disk orbits show a distinct negative [Sc/Mg] versus [Fe/H] trend (slope -0.6 dex/dex), significantly different from the halo at 3.95σ, though the result is driven by a small number of stars.

  5. GASTRO library II: Exploring Chemical Bimodalities in Disk Galaxies with GSE-like Mergers and Massive Star-forming Clumps

    astro-ph.GA 2025-12 conditional novelty 6.0 of 10

    In simulated Milky Way-like galaxies, either a retrograde merger or an early clumpy star-formation phase suppresses star formation and creates the observed chemical bimodality; only clumpy models also produce old, α-p...

  6. The ALPINE-CRISTAL-JWST Survey: The Fast Metal Enrichment of Massive Galaxies at z~5

    astro-ph.GA 2025-10 conditional novelty 6.0 of 10

    Massive galaxies at z~5 were already as enriched in oxygen as their z~2 counterparts, with an FMR whose intrinsic scatter is about five times larger than locally.

  7. An Increase in the Galactic Planet Host Fraction Fails to Reproduce the Galactic Height Trend in Planet Occurrence

    astro-ph.EP 2025-07 conditional novelty 6.0 of 10

    Time-dependent increases in the planet host fraction cannot reproduce the steep decline in small-planet occurrence with Galactic height seen by Kepler and K2.

  8. Cloud-scale elemental abundance variations and the CO-to-dust-mass conversion factor in M31

    astro-ph.GA 2024-12 accept novelty 6.0 of 10

    M31 H II region abundances show a flat oxygen gradient, a steeper nitrogen gradient, and about 0.06 dex intrinsic scatter, with no detected dependence of the CO-to-dust conversion factor on oxygen abundance.

  9. The Open Cluster Chemical Abundances and Mapping Survey: VIII. Galactic Chemical Gradient and Azimuthal Analysis from SDSS/MWM DR19

    astro-ph.GA 2025-07 conditional novelty 5.0 of 10

    A 164-cluster sample from SDSS-V/MWM DR19 gives a Milky Way iron gradient of -0.075 dex/kpc and tentative evidence that the gradient varies with azimuth.

  10. Coevolution of Dwarf Galaxies and Their Circumgalactic Medium Across Cosmic Time

    astro-ph.GA 2024-12 conditional novelty 5.0 of 10

    Simulations seeded from IllustrisTNG show CGM accretion supplies 20-50% of star-forming gas in dwarf galaxies and drives episodic SMBH accretion near 10% Eddington at z=2.

  11. Interstellar dust production, destruction and effects of dust depletion in galaxies

    astro-ph.GA 2025-06 unverdicted novelty 2.0 of 10

    The paper reviews dust production, destruction and growth processes in galaxies, compiles literature data on comoving dust mass density, presents evidence for and against interstellar dust growth, and identifies the h...

  12. Chemical Evolution of Galaxies: Past, Present and Future

    astro-ph.GA 2026-07 unverdicted

    A single-author review of galactic chemical-evolution modeling, centered on the time-delay interpretation of [X/Fe] vs [Fe/H] as a tool for galactic archaeology.

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