Zobrazeno 1 - 10
of 2 776
pro vyhledávání: '"NELSON, D. P."'
Radio relics are diffuse synchrotron sources in the outskirts of merging galaxy clusters energized by the merger shocks. In this paper, we present an overview of the radio relics in massive cluster mergers identified in the new TNG-Cluster simulation
Externí odkaz:
http://arxiv.org/abs/2311.06340
Autor:
Pallero, Diego, Gómez, Facundo A., Padilla, Nelson D., Jaffé, Yara L., Baugh, Carlton M., Li, Baojiu, Hernández-Aguayo, César, Arnold, Christian
We present a quantitative analysis of the properties of galaxies and structures evolving in universes dominated by different modified gravitational models, including two variants of the f(R)-gravity (F) and two of the Dvali-Gabdadze-Poratti (N) brane
Externí odkaz:
http://arxiv.org/abs/2310.02333
Aims: The origin of the seeds of galactic magnetic fields is a subject that remains under debate; here we will explore a new possible mechanism that could provide such seed from charge asymmetries in slowly rotating protogalaxies. Methods: We use cur
Externí odkaz:
http://arxiv.org/abs/2309.14930
We present improved estimates of the electric charge that black holes could hold when these are embedded in the ionised plasma within galaxies. We have implemented the spontaneous emission of charges of opposite sign to that of the black hole via ath
Externí odkaz:
http://arxiv.org/abs/2309.14929
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 528, Issue 4, March 2024, Pages 6631
We apply the marked correlation function test proposed by Armijo et al. (Paper I) to samples of luminous red galaxies (LRGs) from the final data release of the Sloan Digital Sky Survey (SDSS) III. The test assigns a density-dependent mark to galaxies
Externí odkaz:
http://arxiv.org/abs/2309.09636
Publikováno v:
Metrology, Vol 4, Iss 3, Pp 489-505 (2024)
As modern systems become more complex, their control strategy no longer relies only on measurement data from probes; it also requires information from mathematical models for non-measurable places. On the other hand, those mathematical models can lea
Externí odkaz:
https://doaj.org/article/a2e62ec8a78342b7b2e3d0e8561e7325
Using data from TNG300-2, we train a neural network (NN) to recreate the stellar mass ($M^*$) and star formation rate (SFR) of central galaxies in a dark-matter-only simulation. We consider 12 input properties from the halo and sub-halo hosting the g
Externí odkaz:
http://arxiv.org/abs/2307.13092
Autor:
ZuHone, J. A., Schellenberger, G., Ogorzalek, A., Oppenheimer, B. D., Stern, J., Bogdan, A., Truong, N., Markevitch, M., Pillepich, A., Nelson, D., Burchett, J. N., Khabibullin, I., Kilbourne, C. A., Kraft, R. P., Nulsen, P. E. J., Veilleux, S., Vogelsberger, M., Wang, Q. D., Zhuravleva, I.
The hot, X-ray-emitting phase of the circumgalactic medium of massive galaxies is believed to be the reservoir of baryons from which gas flows onto the central galaxy and into which feedback from AGN and stars inject mass, momentum, energy, and metal
Externí odkaz:
http://arxiv.org/abs/2307.01269
Autor:
Boselli, A., Fossati, M., Cote, P., Cuillandre, J. C., Ferrarese, L., Gwyn, S., Amram, P., Ayromlou, M., Balogh, M., Bellusci, G., Boquien, M., Gavazzi, G., Hensler, G., Longobardi, A., Nelson, D., Pillepich, A., Roediger, J., Sanchez-Jansen, R., Sun, M., Trinchieri, G.
Publikováno v:
A&A 675, A123 (2023)
We use a complete set of deep narrow-band imaging data for 384 galaxies gathered during the VESTIGE survey to derive the first Halpha luminosity function (LF) of the Virgo cluster within R200. The data allow us to cover the whole dynamic range of the
Externí odkaz:
http://arxiv.org/abs/2305.15919
We introduce a new scheme based on the marked correlation function to probe gravity using the large-scale structure of the Universe. We illustrate our approach by applying it to simulations of the metric-variation $f(R)$ modified gravity theory and g
Externí odkaz:
http://arxiv.org/abs/2304.06218