English
Related papers

Related papers: Predicting interstellar radiation fields from chem…

200 papers

We develop a model to implement metal enrichment in a cosmological context based on the hydrodynamical AP3MSPH code described by Tissera, Lambas and Abadi (1997).The star formation model is based on the Schmidt law and has been modified in…

Astrophysics · Physics 2009-10-31 M. B. Mosconi , P. B. Tissera , S. A. Cora , D. G. Lambas

We present cosmological hydrodynamical simulations of galaxy clusters aimed at studying the process of metal enrichment of the intra--cluster medium (ICM). These simulations have been performed by implementing a detailed model of chemical…

Astrophysics · Physics 2009-11-13 L. Tornatore , S. Borgani , K. Dolag , F. Matteucci

The formation and chemical evolution of the Milky Way Galaxy is numerically simulated by developing a Monte Carlo approach to predict the elemental abundance gradients and other galactic features using the revised solar abundance. The…

Astrophysics of Galaxies · Physics 2018-10-10 Sandeep Sahijpal , Tejpreet Kaur

Motivated by the inability of Galactic chemical evolution models to reproduce some of the observed solar neighbourhood distribution of elements (and isotopes) with atomic numbers 6 < Z < 15, we have revisited the relevant stellar and…

Astrophysics · Physics 2009-11-10 B. K. Gibson , Y. Fenner , A. Kiessling

We use the OMEGA galactic chemical evolution code to investigate how the assumptions used for the treatment of galactic inflows and outflows impact numerical predictions. The goal is to determine how our capacity to reproduce the chemical…

Astrophysics of Galaxies · Physics 2017-02-01 Benoit Côté , Brian W. O'Shea , Christian Ritter , Falk Herwig , Kim A. Venn

A code computing consistently the evolution of stars, gas and dust, as well as the energy they radiate, is required to derive reliably the history of galaxies by fitting synthetic SEDs to multiwavelength observations. The new code…

Astrophysics of Galaxies · Physics 2019-03-27 Michel Fioc , Brigitte Rocca-Volmerange

We present a new energy transport code that models the time dependent and non-linear evolution of spectra of cosmic-ray nuclei, their secondaries, and photon target fields. The software can inject an arbitrary chemical composition including…

High Energy Astrophysical Phenomena · Physics 2023-08-21 Lukas Merten , Paolo Da Vela , Anita Reimer , Margot Boughelilba , Jon Paul Lundquist , Serguei Vorobiov , Julia Becker Tjus

The wavelength range 912-2000A (hereafter far-UV) provides access to absorption lines of the interstellar medium (ISM), circumgalactic medium (CGM), and intergalactic medium (IGM) in phases spanning a wide range of ionization, density,…

Astrophysics of Galaxies · Physics 2019-03-19 V. Lebouteiller , D. Kunth , J. Roman-Duval , P. Richter , C. Gry , B. James , A. Aloisi

We present a methodological framework for studying galaxy evolution by utilizing Graph Theory and network analysis tools. We study the evolutionary processes of local ultraluminous infrared galaxies (ULIRGs) and quasars and the underlying…

We present three dimensional hydrodynamical simulations aimed at studying the dynamical and chemical evolution of the interstellar medium (ISM) in isolated dwarf spheroidal galaxies (dSphs). This evolution is driven by the explosion of Type…

Astrophysics · Physics 2009-11-13 Andrea Marcolini , Annibale D'Ercole

Growing evidence in recent years suggests a systematic variation of the stellar initial mass function (IMF), being top-heavy for starburst galaxies and possibly bottom-heavy for massive ellipticals. Galaxy chemical evolution simulations…

Astrophysics of Galaxies · Physics 2019-09-11 Zhiqiang Yan , Tereza Jerabkova , Pavel Kroupa , Alejandro Vazdekis

We present a novel method to model galactic scale star formation and the resulting emission from star clusters and the multi-phase interstellar medium. We combine global parameters, such as SFR and CMF, with {\sc warpfield} which provides a…

Astrophysics of Galaxies · Physics 2020-09-02 E. W. Pellegrini , S. Reissl , D. Rahner , R. S. Klessen , S. C. O. Glover , R. Pakmor , R. Herrera-Camus , R. J. J. Grand

Radiative processes play a pivotal role in shaping the thermal and chemical states of gas across diverse astrophysical environments, from the interstellar medium (ISM) to the intergalactic medium. We present a hybrid cooling model for…

We present results on the interstellar medium (ISM) properties of 29 galaxies based on a comparison of {\it Spitzer} far-infrared and Westerbork Synthesis Radio Telescope radio continuum imagery. Of these 29 galaxies, 18 are close enough to…

Astrophysics · Physics 2008-02-19 E. J. Murphy , G. Helou , J. D. P. Kenney , L. Armus , R. Braun

We use the self-consistent model technique developed by Mart\'in-Manj\'on et al. (2008) that combines the chemical evolution with stellar population synthesis and photo-ionization codes, to study the star formation scenarios capable of…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 M. L. Martín-Manjón , M. Mollá , A. I. Díaz , R. Terlevich

Determining the atomic and molecular content of the interstellar medium (ISM) as a function of environmental parameters is of fundamental importance to understand the star-formation process across the epochs. Although there exist various…

Astrophysics of Galaxies · Physics 2022-12-07 Thomas G. Bisbas , Ewine F. van Dishoeck , Chia-Yu Hu , Andreas Schruba

We present a model to self-consistently describe the joint evolution of starburst galaxies and the galactic wind resulting from this evolution. We combine the population synthesis code Starburst99 with a semi-analytical model of galactic…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Benoit Côté , Hugo Martel , Laurent Drissen , Carmelle Robert

Using VIMOS-IFU observations, we study the interstellar medium (ISM) of two star-forming dwarf galaxies, UM 461 and Mrk 600. Our aim was to search for the existence of metallicity inhomogeneities that might arise from infall of nearly…

Astrophysics of Galaxies · Physics 2018-03-28 P. Lagos , T. C. Scott , A. Nigoche-Netro , R. Demarco , A. Humphrey , P. Papaderos

Ongoing deep IFS observations of disk galaxies provide opportunities for comparison with the Milky Way (MW) to understand galaxy evolution. However, such comparisons are marred by many challenges such as selection effects, differences in…

Recent observations indicate that star formation occurs only in the molecular phase of a galaxy's interstellar medium. A realistic treatment of star formation in simulations and analytic models of galaxies therefore requires that one…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Mark R. Krumholz , Nickolay Y. Gnedin