Zobrazeno 1 - 10
of 1 019
pro vyhledávání: '"Scannapieco P"'
Supersonic turbulence occurs in many environments, particularly in astrophysics. In the crucial case of isothermal turbulence, the probability density function (PDF) of the logarithmic density, $s$, is well measured, but a theoretical understanding o
Externí odkaz:
http://arxiv.org/abs/2410.22408
The thermal history and structure of the intergalactic medium (IGM) at $z \geq 4$ is an important boundary condition for reionization, and a key input for studies using the Ly$\alpha$ forest to constrain the masses of alternative dark matter candidat
Externí odkaz:
http://arxiv.org/abs/2405.02397
Autor:
Iza, Federico G., Nuza, Sebastián E., Scannapieco, Cecilia, Grand, Robert J. J., Gómez, Facundo A., Springel, Volker, Pakmor, Rüdiger, Marinacci, Federico, Fragkoudi, Francesca
We investigate the growth of stellar discs in Milky Way-mass galaxies using the magnetohydrodynamical simulations of the Auriga Project in a full cosmological context. We focus on the gas accretion process along the discs, calculating the net, infall
Externí odkaz:
http://arxiv.org/abs/2404.07320
Publikováno v:
MNRAS, Volume 529, Issue 2, April 2024, Pages from 979 to 998
A significant fraction of local galaxies exhibit stellar bars, non-axisymmetric structures composed of stars, gas, and dust. Identifying key differences between the properties of barred and unbarred galaxies can uncover clues about the conditions for
Externí odkaz:
http://arxiv.org/abs/2403.13061
Autor:
Casavecchia, Benedetta, Banda-Barragan, Wladimir, Brueggen, Marcus, Brighenti, Fabrizio, Scannapieco, Evan
Publikováno v:
A&A 689, A127 (2024)
Galactic winds probe how stellar feedback regulates the mass and metallicity of galaxies. Observations show that galactic winds are multiphase and magnetised. In the local Universe, the dense phase is traced by emission and absorption lines, which re
Externí odkaz:
http://arxiv.org/abs/2402.01475
Current models of galaxy formation require strong feedback from active galactic nuclei (AGN) to explain the observed lack of star formation in massive galaxies since z~2 but direct evidence of this energy input is limited. We use the SIMBA cosmologic
Externí odkaz:
http://arxiv.org/abs/2310.01502
Our knowledge of the circumgalactic medium (CGM) is mostly based on quasar absorption-line measurements. These have uncovered a multiphase medium that is likely highly turbulent, but constraints of this turbulence are limited to measurements of the n
Externí odkaz:
http://arxiv.org/abs/2308.12283
Star formation, together with the associated chemical and energy feedback, is one of the most important processes in galaxy evolution. The star formation activity in galaxies defines and affects many of their fundamental properties, such as stellar m
Externí odkaz:
http://arxiv.org/abs/2307.03341
The Local Group (LG) consists of two giant spiral galaxies, the Milky Way (MW) and Andromeda (M31), and several smaller galaxies. The MW and M31 are approaching each other at a radial velocity of about $-109\,$km\,s$^{-1}$. Observational evidence sug
Externí odkaz:
http://arxiv.org/abs/2306.16500
In the standard model of structure formation, galaxies form in the centre of dark matter haloes that develop as a result of inhomogeneities in the primordial mass distribution of the Universe. Afterwards, galaxies grow by means of continuous accretio
Externí odkaz:
http://arxiv.org/abs/2306.14760