Zobrazeno 1 - 10
of 763
pro vyhledávání: '"Devriendt J"'
Autor:
Jackson, R. A., Kaviraj, S., Yi, S. K., Peirani, S., Dubois, Y., Martin, G., Devriendt, J. E. G., Slyz, A., Pichon, C., Volonteri, M., Kimm, T., Kraljic, K.
The `core-cusp' problem is considered a key challenge to the LCDM paradigm. Halos in dark matter only simulations exhibit `cuspy' profiles, where density continuously increases towards the centre. However, the dark matter profiles of many observed ga
Externí odkaz:
http://arxiv.org/abs/2310.13055
The role of baryonic physics, star formation, and stellar feedback, in shaping the galaxies and their host halos is an evolving topic. The dark matter aspects are illustrated in this work by showing distribution features in a Milky-Way-sized halo. We
Externí odkaz:
http://arxiv.org/abs/2301.06189
Autor:
Smethurst, R. J., Beckmann, R. S., Simmons, B. D., Coil, A., Devriendt, J., Dubois, Y., Garland, I. L., Lintott, C. J., Martin, G., Peirani, S.
Recent observational and theoretical studies have suggested that supermassive black holes (SMBHs) grow mostly through non-merger (`secular') processes. Since galaxy mergers lead to dynamical bulge growth, the only way to observationally isolate non-m
Externí odkaz:
http://arxiv.org/abs/2211.13677
Autor:
Beckmann, R. S., Dubois, Y., Volonteri, M., Dong-Páez, C. A., Trebitsch, M., Devriendt, J., Kaviraj, S., Kimm, T., Peirani, S.
While it is well established that supermassive black holes (SMBHs) co-evolve with their host galaxy, it is currently less clear how lower mass black holes, so-called intermediate mass black holes (IMBHs), evolve within their dwarf galaxy hosts. In th
Externí odkaz:
http://arxiv.org/abs/2211.13301
Autor:
Peirani, S., Prunet, S., Colombi, S., Pichon, C., Weinberg, D. H., Laigle, C., Lavaux, G., Dubois, Y., Devriendt, J.
We present LyMAS2, an improved version of the "Lyman-{\alpha} Mass Association Scheme" aiming at predicting the large-scale 3d clustering statistics of the Lyman-{\alpha} forest (Ly-{\alpha}) from moderate resolution simulations of the dark matter (D
Externí odkaz:
http://arxiv.org/abs/2204.06365
Autor:
Jackson, R. A., Kaviraj, S., Martin, G., Devriendt, J. E. G., Noakes-Kettel, E. A., Silk, J., Ogle, P., Dubois, Y.
In our hierarchical structure-formation paradigm, the observed morphological evolution of massive galaxies -- from rotationally-supported discs to dispersion-dominated spheroids -- is largely explained via galaxy merging. However, since mergers are l
Externí odkaz:
http://arxiv.org/abs/2201.08855
Autor:
Reddish, J., Kraljic, K., Petersen, M. S., Tep, K., Dubois, Y., Pichon, C., Peirani, S., Bournaud, F., Choi, H., Devriendt, J., Jackson, R., Martin, G., Park, M. J., Volonteri, M., Yi, S. K.
We use the NewHorizon simulation to study the redshift evolution of bar properties and fractions within galaxies in the stellar masses range $M_{\star} = 10^{7.25} - 10^{11.4} \ \rm{M}_{\odot}$ over the redshift range $z = 0.25 - 1.3$. We select disc
Externí odkaz:
http://arxiv.org/abs/2106.02622
Autor:
Rosito, M. S., Pedrosa, S. E., Tissera, P. B., Chisari, N. E., Dominguez-Tenreiro, R., Dubois, Y., Peirani, S., Devriendt, J., Pichon, C., Slyz, A.
Publikováno v:
A&A 652, A44 (2021)
Feedback processes play a fundamental role in the regulation of the star formation (SF) activity in galaxies and, in particular, in the quenching of early-type galaxies (ETGs) as has been inferred by observational and numerical studies of Lambda CDM
Externí odkaz:
http://arxiv.org/abs/2012.10182
Autor:
Jackson, R. A., Kaviraj, S., Martin, G., Devriendt, J. E. G., Slyz, A., Silk, J., Dubois, Y., Yi, S. K., Pichon, C., Volonteri, M., Choi, H., Kimm, T., Kraljic, K., Peirani, S.
In the standard Lambda-CDM paradigm, dwarf galaxies are expected to be dark-matter-rich, as baryonic feedback is thought to quickly drive gas out of their shallow potential wells and quench star formation at early epochs. Recent observations of local
Externí odkaz:
http://arxiv.org/abs/2010.02219
Autor:
Martin, G., Jackson, R. A., Kaviraj, S., Choi, H., Devriendt, J. E. G., Dubois, Y., Kimm, T., Kraljic, K., Peirani, S., Pichon, C., Volonteri, M., Yi, S. K.
Dwarf galaxies (M*<10^9 Msun) are key drivers of mass assembly in high mass galaxies, but relatively little is understood about the assembly of dwarf galaxies themselves. Using the \textsc{NewHorizon} cosmological simulation (40 pc spatial resolution
Externí odkaz:
http://arxiv.org/abs/2007.07913