Zobrazeno 1 - 10
of 1 213
pro vyhledávání: '"Bosch, Frank"'
The abundance of satellite galaxies is set by the hierarchical assembly of their host halo. We leverage this to investigate the low mass end ($M_{\mathrm{H}} < 10^{11} M_{\odot}$) of the Stellar-to-Halo Mass Relation (SHMR), which is key to constrain
Externí odkaz:
http://arxiv.org/abs/2410.02873
Autor:
Dekel, Avishai, Stone, Nicholas C., Chowdhury, Dhruba Dutta, Gilbaum, Shmuel, Li, Zhaozhou, Mandelker, Nir, Bosch, Frank C. van den
The scenario of feedback-free starbursts (FFB), which predicts excessively bright galaxies at cosmic dawn as observed using JWST, may provide a natural setting for black hole (BH) growth. This involves the formation of intermediate-mass seed BHs and
Externí odkaz:
http://arxiv.org/abs/2409.18605
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 533, Issue 3, September 2024, Pages 3647-3675
Basilisk is a novel Bayesian hierarchical method for inferring the galaxy-halo connection, including its scatter, using the kinematics of satellite galaxies extracted from a redshift survey. In this paper, we introduce crucial improvements, such as u
Externí odkaz:
http://arxiv.org/abs/2409.03105
Autor:
Ghosh, Aritra, Urry, C. Megan, Powell, Meredith C., Shimakawa, Rhythm, Bosch, Frank C. van den, Nagai, Daisuke, Mitra, Kaustav, Connolly, Andrew J.
Publikováno v:
The Astrophysical Journal 971.2 (2024): 142
The relationship between galaxy size and environment has remained enigmatic, with over a decade of conflicting results. We present one of the first comprehensive studies of the variation of galaxy radius with environment beyond the local Universe and
Externí odkaz:
http://arxiv.org/abs/2408.07128
Autor:
Aung, Han, Mandelker, Nir, Dekel, Avishai, Nagai, Daisuke, Semenov, Vadim, Bosch, Frank C. van den
We explore the evolution of cold streams from the cosmic web that feed galaxies through their shock-heated circumgalactic medium (CGM) at cosmic noon, $z\simeq 1-5$. In addition to the hydrodynamical instabilities and radiative cooling that we have i
Externí odkaz:
http://arxiv.org/abs/2403.00912
Autor:
Lu, Yue Samuel, Mandelker, Nir, Oh, S. Peng, Dekel, Avishai, Bosch, Frank C. van den, Springel, Volker, Nagai, Daisuke, van de Voort, Freeke
We analyse the internal structure and dynamics of cosmic-web filaments that connect massive high-$z$ haloes. Our analysis is based on a high-resolution AREPO cosmological simulation zooming-in on a volume encompassing three ${\rm Mpc}$-scale filament
Externí odkaz:
http://arxiv.org/abs/2306.03966
Autor:
Chowdhury, Dhruba Dutta, Bosch, Frank C. van den, van Dokkum, Pieter, Robles, Victor, Schive, Hsi-Yu, Chiueh, Tzihong
Fuzzy Dark Matter (FDM), consisting of ultralight bosons, is an intriguing alternative to Cold Dark Matter. Numerical simulations solving the Schr\"odinger-Poisson (SP) equation, which governs FDM dynamics, show that FDM halos consist of a central so
Externí odkaz:
http://arxiv.org/abs/2303.08846
We develop a linear perturbative formalism to compute the response of an inhomogeneous stellar disk embedded in a non-responsive dark matter halo to perturbations like bars, spiral arms and satellite galaxy encounters. Without self-gravity to reinfor
Externí odkaz:
http://arxiv.org/abs/2303.00034
Autor:
van Dokkum, Pieter, Pasha, Imad, Buzzo, Maria Luisa, LaMassa, Stephanie, Shen, Zili, Keim, Michael A., Abraham, Roberto, Conroy, Charlie, Danieli, Shany, Mitra, Kaustav, Nagai, Daisuke, Natarajan, Priyamvada, Romanowsky, Aaron J., Tremblay, Grant, Urry, C. Megan, Bosch, Frank C. van den
Publikováno v:
Astrophysical Journal Letters, 946, L50 (2023)
The interaction of a runaway supermassive black hole (SMBH) with the circumgalactic medium (CGM) can lead to the formation of a wake of shocked gas and young stars behind it. Here we report the serendipitous discovery of an extremely narrow linear fe
Externí odkaz:
http://arxiv.org/abs/2302.04888
Autor:
Lange, Johannes U., Hearin, Andrew P., Leauthaud, Alexie, Bosch, Frank C. van den, Xhakaj, Enia, Guo, Hong, Wechsler, Risa H., DeRose, Joseph
We present a novel simulation-based cosmological analysis of galaxy-galaxy lensing and galaxy redshift-space clustering. Compared to analysis methods based on perturbation theory, our simulation-based approach allows us to probe a much wider range of
Externí odkaz:
http://arxiv.org/abs/2301.08692