Presupernova evolution and explosive nucleosynthesis of rotating massive stars in the metallicity range -3 <=[Fe/H]<= 0
arXiv:1805.09640 · doi:10.3847/1538-4365/aacb24
Abstract
We present a new grid of presupernova models of massive stars extending in mass between 13 and 120 Msun, covering four metallicities (i.e. [Fe/H]=0, -1, -2 and -3) and three initial rotation velocities (i.e. 0, 150 and 300 km/s). The explosion has been simulated following three different assumptions in order to show how the yields depend on the remnant mass - initial mass relation. An extended network from H to Bi is fully coupled to the physical evolution of the models. The main results can be summarized as follows. a) At solar metallicity the maximum mass exploding as Red Super Giant (RSG) is of the order of 17 Msun in the non rotating case, all the more massive stars exploding as WR stars. All rotating models, vice versa, explode as Wolf-Rayet (WR) stars. b) The interplay between the core He burning and the H burning shell, triggered by the rotation induced instabilities, drives the synthesis of a large primary amount of all the products of the CNO, not just N14. A fraction of them enriches enormously the radiative part of the He core (and is responsible of the large production of F) and a fraction enters the convective core leading therefore to an important primary neutron flux able to synthesize heavy nuclei up to Pb. c) In our scenario, remnant masses of the order of those inferred by the first detections of the gravitational waves (GW150914, GW151226, GW170104, GW170814) are predicted at all metallicities for none or moderate initial rotation velocities.
245 pages, 31 tables, 38 figures. Submitted to ApJS
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- A statistical method for the identification of stars enriched in neutron-capture elements from medium-resolution spectra
- Stellar population modelling of neutron stars and black holes: spatially-resolved graveyards in MaNGA/SDSS-IV galaxies
- Unveiling the nature of the unidentified gamma-ray sources 4FGL J1908.6+0915e, HESS J1907+089/HOTS J1907+091, and 3HWC J1907+085 in the sky region of the magnetar SGR 1900+14
- A Sequoia stellar candidate with very high 7Li and 9Be
- Impact of the latest 22Ne+α reaction rates on nucleosynthesis in massive stars and galactic chemical evolution
- The influence of rotation and metallicity on the explodability of massive stars
- Nuclear astrophysics
- Revisiting the Perseus Cluster II: Metallicity-Dependence of Massive Stars and Chemical Enrichment History
- Two faces of Gaia-Sausage-Enceladus: Mining the chemical abundance space with graph attention networks
- MUSEQuBES: Physical conditions, origins, and multi-element abundances of the circumgalactic medium of an isolated, star-forming dwarf galaxy at z=0.57
- Deviations from the universal Initial Mass Function in binary star clusters
- An ancient system hidden in the Galactic plane?
- UVES analysis of red giants in the bulge globular cluster NGC 6522
- Modeling the Remnants of Core-collapse Supernovae from Luminous Blue Variable stars
- Gas and dust from extremely metal-poor AGB stars
- Barium lines in high-quality spectra of two metal-poor giants in the Galactic halo
- EDGE-INFERNO: How chemical enrichment assumptions impact the individual stars of a simulated ultra-faint dwarf galaxy
- Observational constraints on the origin of the elements. X. Combining NLTE and machine learning for chemical diagnostics of 4 million stars in the 4MIDABLE-HR survey
- The Two-infall Model Revisited: Constraints on Milky Way Bulge Assembly from >30,000 Galactic Chemical Evolution Models and Machine Learning
- Search for Axion-Like Particles from Nearby Pre-Supernova Stars
- The impact of metallicity-dependent dust destruction on the dust-to-metals ratio in galaxies
- Quantifying Element Importance for Mass Recovery from Population III Supernova Yield Fits
- The chemical DNA of the Magellanic Clouds VI. Origin and evolution of neutron-capture elements in the SMC
- The Impact of the New Fe Decay Rates on Fe and Al Nucleosynthesis in Massive Stars
- Discovery of sulfur oxides in the ejecta of a B[e] supergiant
- Primordial helium-3 redux: The helium isotope ratio of the Orion nebula
- Oxygen and silicon abundances in Cygnus OB2: Chemical homogeneity in a sample of OB slow rotators
- A Near-Infrared and Optical Study of NGC 5822: An Open Cluster Hosting Barium-stars and Lithium-Enriched Giant Stars
- A two-step strategy to identify episodic sources of gravitational waves and high energy neutrinos in starburst galaxies
- Astrophysical Black holes: An Explanation for the Galaxy Quenching
- A non-uniform metal distribution in the ram-pressure stripped circumgalactic medium of M86
- Modeling the outcome of supernova explosions in binary population synthesis using the stellar compactness