Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Nuza, S. E."'
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
In the standard paradigm of galaxy formation and evolution, the baryonic component of galaxies forms from the collapse and condensation of gas within dark matter haloes, and later grows from continuous accretion of gaseous mass, both in diffuse form
Externí odkaz:
http://arxiv.org/abs/2106.06576
In the context of the concordance cosmology, structure formation in the Universe is the result of the amplification, by gravitational effects, of small perturbations in the primeval density field. This results in the formation of structures known as
Externí odkaz:
http://arxiv.org/abs/2106.05361
Autor:
Hoeft, M., Dumba, C., Drabent, A., Rajpurohit, K., Rossetti, M., Nuza, S. E., van Weeren, R. J., Meusinger, H., Botteon, A., Brunetti, G., Shimwell, T. W., Cassano, R., Brüggen, M., Röttgering, H. J. A., Gastaldello, F., Lovisari, L., Yepes, G., Andrade-Santos, F., Eckert, D.
Publikováno v:
A&A 654, A68 (2021)
Diffuse radio emission has been found in many galaxy clusters, predominantly in massive systems which are in the state of merging. The radio emission can usually be classified as relic or halo emission, which are believed to be related to merger shoc
Externí odkaz:
http://arxiv.org/abs/2010.10331
Autor:
Richter, P., Nuza, S. E., Fox, A. J., Wakker, B. P., Lehner, N., Bekhti, N. Ben, Fechner, C., Wendt, M., Howk, J. C., Muzahid, S., Ganguly, R., Charlton, J. C.
Publikováno v:
A&A 607, A48 (2017)
To characterize the absorption properties of this circumgalactic medium (CGM) and its relation to the LG we present the so-far largest survey of metal absorption in Galactic high-velocity clouds (HVCs) using archival ultraviolet (UV) spectra of extra
Externí odkaz:
http://arxiv.org/abs/1611.07024
Autor:
Almeida, J. Sanchez, Perez-Montero, E., Morales-Luis, A. B., Munoz-Tunon, C., Garcia-Benito, R., Nuza, S. E., Kitaura, F. S.
Extremely metal-poor (XMP) galaxies are defined to have gas-phase metallicity smaller than a tenth of the solar value (12 + log[O/H] < 7.69). They are uncommon, chemically and possibly dynamically primitive, with physical conditions characteristic of
Externí odkaz:
http://arxiv.org/abs/1601.01631
We have analyzed bibliographical observational data and theoretical predictions, in order to probe the environment in which extremely metal-poor dwarf galaxies (XMPs) reside. We have assessed the HI component and its relation to the optical galaxy, t
Externí odkaz:
http://arxiv.org/abs/1501.06709
Autor:
van Weeren, R. J., Intema, H. T., Lal, D. V., Andrade-Santos, F., Brüggen, M., de Gasperin, F., Forman, W. R., Hoeft, M., Jones, C., Nuza, S. E., Röttgering, H. J. A., Stroe, A.
We report the discovery of extended radio emission in the Phoenix cluster (SPT-CL J2344-4243, z=0.596) with the GMRT at 610 MHz. The diffuse emission extends over a region of at least 400-500 kpc and surrounds the central radio source of the Brightes
Externí odkaz:
http://arxiv.org/abs/1404.3718
Autor:
van Weeren, R. J., Intema, H. T., Lal, D. V., Bonafede, A., Jones, C., Forman, W. R., Röttgering, H. J. A., Brüggen, M., Stroe, A., Hoeft, M., Nuza, S. E., de Gasperin, F.
Recent X-ray and Sunyaev-Zel'dovich (SZ) observations have dramatically increased the number of known distant galaxy clusters. In some merging, low-redshift (z<0.4) clusters, centrally-located, diffuse, extended radio emission (called radio halos) ha
Externí odkaz:
http://arxiv.org/abs/1401.6175
Autor:
Hoeft, M., Nuza, S. E., Gottloeber, S., van Weeren, R. J., Roettgering, H. J. A., Brueggen, M.
Radio relics have been discovered in many galaxy clusters. They are believed to trace shock fronts induced by cluster mergers. Cosmological simulations allow us to study merger shocks in detail since the intra-cluster medium is heated by shock dissip
Externí odkaz:
http://arxiv.org/abs/1202.2272