Search Results - "DEKEL, Avishai"

An analytic solution for the minimal bathtub toy model: challenges in the star formation history of high-z galaxies by Dekel, Avishai, Mandelker, Nir

“…We study the minimal ‘bathtub’ toy model as a tool for capturing key processes of galaxy evolution and identifying robust successes and challenges in…”
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Compaction-driven black hole growth by Lapiner, Sharon, Dekel, Avishai, Dubois, Yohan

“…ABSTRACT We study the interplay between galaxy evolution and central black hole (BH) growth using the NewHorizon cosmological simulation. BH growth is slow…”
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NIHAO – XI. Formation of ultra-diffuse galaxies by outflows by Di Cintio, Arianna, Brook, Chris B., Dutton, Aaron A., Macciò, Andrea V., Obreja, Aura, Dekel, Avishai

“…Abstract We address the origin of ultra-diffuse galaxies (UDGs), which have stellar masses typical of dwarf galaxies but effective radii of Milky Way-sized…”
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Quenching of satellite galaxies at the outskirts of galaxy clusters by Zinger, Elad, Dekel, Avishai, Kravtsov, Andrey V, Nagai, Daisuke

“…Abstract We find, using cosmological simulations of galaxy clusters, that the hot X-ray emitting intracluster medium (ICM) enclosed within the outer accretion…”
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Instability of supersonic cold streams feeding galaxies – IV. Survival of radiatively cooling streams by Mandelker, Nir, Nagai, Daisuke, Aung, Han, Dekel, Avishai, Birnboim, Yuval, van den Bosch, Frank C

“…ABSTRACT We study the effects of Kelvin–Helmholtz Instability (KHI) on the cold streams that feed massive haloes at high redshift, generalizing our earlier…”
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Compaction and quenching of high-z galaxies in cosmological simulations: blue and red nuggets by Zolotov, Adi, Dekel, Avishai, Mandelker, Nir, Tweed, Dylan, Inoue, Shigeki, DeGraf, Colin, Ceverino, Daniel, Primack, Joel R., Barro, Guillermo, Faber, Sandra M.

“…We use cosmological simulations to study a characteristic evolution pattern of high-redshift galaxies. Early, stream-fed, highly perturbed, gas-rich discs…”
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Gravitational quenching in massive galaxies and clusters by clumpy accretion by Dekel, Avishai, Birnboim, Yuval

“…We consider a simple gravitational heating mechanism for the long-term quenching of cooling flows and star formation in massive dark matter haloes hosting…”
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Formation of ultra-diffuse galaxies in the field and in galaxy groups by Jiang, Fangzhou, Dekel, Avishai, Freundlich, Jonathan, Romanowsky, Aaron J, Dutton, Aaron A, Macciò, Andrea V, Di Cintio, Arianna

“…ABSTRACT We study ultra-diffuse galaxies (UDGs) in zoom in cosmological simulations, seeking the origin of UDGs in the field versus galaxy groups. We find that…”
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Radiative feedback and the low efficiency of galaxy formation in low-mass haloes at high redshift by Ceverino, Daniel, Klypin, Anatoly, Klimek, Elizabeth S., Trujillo-Gomez, Sebastian, Churchill, Christopher W., Primack, Joel, Dekel, Avishai

“…Any successful model of galaxy formation needs to explain the low rate of star formation in the small progenitors of today's galaxies. This inefficiency is…”
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Scaling relations and the fundamental line of the local group dwarf galaxies by Woo, Joanna, Courteau, Stéphane, Dekel, Avishai

“…We study the scaling relations between global properties of dwarf galaxies in the local group. In addition to quantifying the correlations between pairs of…”
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SatGen: a semi-analytical satellite galaxy generator – I. The model and its application to Local-Group satellite statistics by Jiang, Fangzhou, Dekel, Avishai, Freundlich, Jonathan, van den Bosch, Frank C, Green, Sheridan B, Hopkins, Philip F, Benson, Andrew, Du, Xiaolong

“…ABSTRACT We present a semi-analytical model of satellite galaxies, SatGen, which can generate large statistical samples of satellite populations for a host…”
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On the origin of the fundamental metallicity relation and the scatter in galaxy scaling relations by Forbes, John C., Krumholz, Mark R., Burkert, Andreas, Dekel, Avishai

“…We present a simple toy model to understand what sets the scatter in star formation and metallicity of galaxies at fixed mass. According to this model, the…”
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Structural and Star-forming Relations since z ∼ 3: Connecting Compact Star-forming and Quiescent Galaxies by Barro, Guillermo, Faber, S. M., Koo, David C., Dekel, Avishai, Fang, Jerome J., Trump, Jonathan R., Pérez-González, Pablo G., Pacifici, Camilla, Primack, Joel R., Somerville, Rachel S., Yan, Haojing, Guo, Yicheng, Liu, Fengshan, Ceverino, Daniel, Kocevski, Dale D., McGrath, Elizabeth

“…We study the evolution of the scaling relations that compare the effective density ( ) and core density ( kpc) to the stellar masses of star-forming galaxies…”
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The population of giant clumps in simulated high-z galaxies: in situ and ex situ migration and survival by Mandelker, Nir, Dekel, Avishai, Ceverino, Daniel, Tweed, Dylan, Moody, Christopher E., Primack, Joel

“…We study the properties of giant clumps and their radial gradients in high-z disc galaxies using AMR cosmological simulations. Our sample consists of 770…”
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The relationship between galaxy and dark matter halo size from z ∼ 3 to the present by Somerville, Rachel S., Behroozi, Peter, Pandya, Viraj, Dekel, Avishai, Faber, S. M., Fontana, Adriano, Koekemoer, Anton M., Koo, David C., Pérez-González, P. G., Primack, Joel R., Santini, Paola, Taylor, Edward N., van der Wel, Arjen

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Evaluating galaxy dynamical masses from kinematics and jeans equilibrium in simulations by Kretschmer, Michael, Dekel, Avishai, Freundlich, Jonathan, Lapiner, Sharon, Ceverino, Daniel, Primack, Joel

“…ABSTRACT We provide prescriptions to evaluate the dynamical mass (Mdyn) of galaxies from kinematic measurements of stars or gas using analytic considerations…”
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Clumpy Galaxies in CANDELS. II. Physical Properties of UV-bright Clumps at 0.5 ≤ z < 3 by Guo, Yicheng, Rafelski, Marc, Bell, Eric F., Conselice, Christopher J., Dekel, Avishai, Faber, S. M., Giavalisco, Mauro, Koekemoer, Anton M., Koo, David C., Lu, Yu, Mandelker, Nir, Primack, Joel R., Ceverino, Daniel, de Mello, Duilia F., Ferguson, Henry C., Hathi, Nimish, Kocevski, Dale, Lucas, Ray A., Pérez-González, Pablo G., Ravindranath, Swara, Soto, Emmaris, Straughn, Amber, Wang, Weichen

“…Studying giant star-forming clumps in distant galaxies is important to understand galaxy formation and evolution. At present, however, observers and theorists…”
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Properties of dark matter haloes as a function of local environment density by Lee, Christoph T., Primack, Joel R., Behroozi, Peter, Rodríguez-Puebla, Aldo, Hellinger, Doug, Dekel, Avishai

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On the origin of the galaxy star-formation-rate sequence: evolution and scatter by Dutton, Aaron A., van den Bosch, Frank C., Dekel, Avishai

“…We use a semi-analytic model for disk galaxies to explore the origin of the time evolution and small scatter of the galaxy SFR sequence – the tight correlation…”
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NIHAO IX: the role of gas inflows and outflows in driving the contraction and expansion of cold dark matter haloes by Dutton, Aaron A., Macciò, Andrea V., Dekel, Avishai, Wang, Liang, Stinson, Gregory, Obreja, Aura, Di Cintio, Arianna, Brook, Chris, Buck, Tobias, Kang, Xi

“…We use ∼100 cosmological galaxy formation ‘zoom-in’ simulations using the smoothed particle hydrodynamics code gasoline to study the effect of baryonic…”
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