Results 101 to 110 of about 216,275 (179)
The Astrophysical JournalSemianalytic models (SAMs) systematically predict higher-stellar mass scatter at a given halo mass than hydrodynamical simulations and most empirical models. Our goal is to investigate the physical origin of this scatter by exploring modifications to the
Antonio J. Porras-Valverde +6 more
doaj +1 more source
A Comparison of Outflow Properties in AGN Dwarfs versus Star-forming Dwarfs
The Astrophysical Journal, 2023 Feedback likely plays a crucial role in resolving discrepancies between observations and theoretical predictions of dwarf galaxy properties. Stellar feedback was once believed to be sufficient to explain these discrepancies, but it has thus far failed to
Archana Aravindan +7 more
doaj +1 more source
Interpreting the possible break in the Black Hole - Bulge mass relation [PDF]
, 2015 Recent inspections of local available data suggest that the almost linear relation between the stellar mass of spheroids ($M_{\rm sph}$) and the mass of the super massive Black Holes (BHs) residing at their centres, shows a break below $M_{\rm sph} \sim ...
Fontanot, Fabio +2 more
core +3 more sources
Turbulent Action at a Distance due to Stellar Feedback in Magnetized Clouds [PDF]
arXiv, 2018 A fundamental property of molecular clouds is that they are turbulent, but how this turbulence is generated and maintained is unknown. One possibility is that stars forming within the cloud regenerate turbulence via their outflows, winds and radiation ("feedback").
arxiv
Stellar feedback from HMXBs in cosmological hydrodynamical simulations [PDF]
, 2015 We explored the role of X-ray binaries composed by a black hole and a massive stellar companion (BHXs) as sources of kinetic feedback by using hydrodynamical cosmological simulations. Following previous results, our BHX model selects low metal-poor stars
Artale, M. C. +2 more
core +2 more sources
Distribution and Evolution of Metals in the Magneticum Simulations
Galaxies, 2017 Metals are ideal tracers of the baryonic cycle within halos. Their composition is a fossil record connecting the evolution of the various stellar components of galaxies to the interaction with the environment by in- and out-flows.
Klaus Dolag +2 more
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The Astrophysical Journal, 2023 We present Atacama Large Millimeter/submillimeter Array observations of the ∼10,000 au environment surrounding 21 protostars in the Orion A molecular cloud tracing outflows. Our sample is composed of Class 0 to flat-spectrum protostars, spanning the full
Cheng-Han Hsieh +15 more
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Testable Predictions of Outside-in Age Gradients in Dwarf Galaxies of All Types
The Astrophysical JournalWe use a sample of 73 simulated satellite and central dwarf galaxies spanning a stellar mass range of 10 ^5.3 –10 ^9.1 M _⊙ to investigate the origin of their stellar age gradients.
Claire L. Riggs +6 more
doaj +1 more source
Galaxies, 2018 The Belgian repository of fundamental atomic data and stellar spectra (BRASS) aims to provide the largest systematic and homogeneous quality assessment to-date of input atomic data required for stellar spectral synthesis.
Mike Laverick +9 more
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3D Radiation-hydrodynamic Simulations Resolving Interior of Rapidly Accreting Primordial Protostar
The Astrophysical Journal, 2023 Direct collapse of supermassive stars is a possible pathway to form supermassive black hole seeds at high redshifts. Whereas previous three-dimensional (3D) simulations demonstrate that supermassive stars form via rapid mass accretion, those resolving ...
Kazutaka Kimura +3 more
doaj +1 more source