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History of individual presolar SiC grains revealed by stellar winds [PDF]

open access: yesNature Communications
Asymptotic giant branch (AGB) stars, which are evolved low- to intermediate-mass stars, rank among the most prolific producers of interstellar dust in the Galaxy. Presolar silicon carbide (SiC) grains in meteorites are mainly produced by AGB stars. These
Ken-ichi Bajo   +4 more
doaj   +2 more sources

First Results from the JWST Early Release Science Program Q3D: Benchmark Comparison of Optical and Mid-infrared Tracers of a Dusty, Ionized Red Quasar Wind at z = 0.435

open access: yesThe Astrophysical Journal Letters, 2023
The [O iii ] 5007 Å emission line is the most common tracer of warm, ionized outflows in active galactic nuclei across cosmic time. JWST newly allows us to use mid-IR spectral features at both high spatial and spectral resolution to probe these same ...
David S. N. Rupke   +29 more
doaj   +1 more source

What Are the Radial Distributions of Density, Outflow Rates, and Cloud Structures in the M82 Wind?

open access: yesThe Astrophysical Journal, 2023
Galactic winds play essential roles in the evolution of galaxies through the feedback they provide. Despite intensive studies of winds, the radial distributions of their properties and feedback are rarely observable. Here we present such measurements for
Xinfeng Xu   +4 more
doaj   +1 more source

Resolved Velocity Profiles of Galactic Winds at Cosmic Noon

open access: yesThe Astrophysical Journal, 2023
We study the kinematics of the interstellar medium (ISM) viewed “down the barrel” in 20 gravitationally lensed galaxies during cosmic noon ( z = 1.5–3.5).
Keerthi Vasan G. C.   +9 more
doaj   +1 more source

CLASSY. VI. The Density, Structure, and Size of Absorption-line Outflows in Starburst Galaxies

open access: yesThe Astrophysical Journal, 2023
Galaxy formation and evolution are regulated by the feedback from galactic winds. Absorption lines provide the most widely available probe of winds.
Xinfeng Xu   +14 more
doaj   +1 more source

A Review of Recent Observations of Galactic Winds Driven by Star Formation

open access: yesGalaxies, 2018
Galaxy-scale outflows of gas, or galactic winds (GWs), driven by energy from star formation are a pivotal mechanism for regulation of star formation in the current model of galaxy evolution.
David S. N. Rupke
doaj   +1 more source

A Review of the Theory of Galactic Winds Driven by Stellar Feedback

open access: yesGalaxies, 2018
Galactic winds from star-forming galaxies are crucial to the process of galaxy formation and evolution, regulating star formation, shaping the stellar mass function and the mass-metallicity relation, and enriching the intergalactic medium with metals ...
Dong Zhang
doaj   +1 more source

Discovery of a Spatially and Kinematically Resolved 55 kpc Scale Superbubble Inflated by an Intermediate-redshift Non-BAL Quasar

open access: yesThe Astrophysical Journal Letters, 2023
We report on the discovery of a rare case of spatially and kinematically resolved galactic-scale outflow at intermediate redshift based on VLT/MUSE optical integral field spectroscopic observation of the quasar HE 0238–1904.
Qinyuan Zhao, Junfeng Wang
doaj   +1 more source

A Global Inventory of Feedback

open access: yesGalaxies, 2023
Feedback from both supermassive black holes and massive stars plays a fundamental role in the evolution of galaxies and the inter-galactic medium. In this paper, we use available data to estimate the total amount of kinetic energy and momentum created ...
Timothy M. Heckman, Philip N. Best
doaj   +1 more source

First Statistical Detection of Mg ii-traced Cool Gas Outflows with JWST toward Cosmic Dawn

open access: yesThe Astrophysical Journal Letters
Galactic-scale outflows are a crucial component of galaxy evolution, yet their properties in the early Universe remain poorly constrained. We present the first statistical investigation of Mg ii -traced cool gas outflows in galaxies spanning a wide ...
Cheqiu Lyu   +11 more
doaj   +1 more source

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