Zobrazeno 1 - 10
of 226
pro vyhledávání: '"Chen Nianyi"'
Autor:
Puerto-Sánchez, Clara, Habouzit, Melanie, Volonteri, Marta, Ni, Yueying, Foord, Adi, Anglés-Alcázar, Daniel, Chen, Nianyi, Guetzoyan, Paloma, Davé, Romeel, Di Matteo, Tiziana, Dubois, Yohan, Koss, Michael, Rosas-Guevara, Yetli
Detecting dual active galactic nuclei (DAGN) in observations and understanding theoretically which massive black holes (MBHs) compose them and in which galactic and large-scale environment they reside are becoming increasingly important questions as
Externí odkaz:
http://arxiv.org/abs/2411.15297
Autor:
Dattathri, Shashank, Natarajan, Priyamvada, Porras-Valverde, Antonio J., Burke, Colin J., Chen, Nianyi, Di Matteo, Tiziana, Ni, Yueying
We study the co-evolution of black holes (BHs) and their host galaxies in the ASTRID and Illustris-TNG300 cosmological simulations and the Dark Sage Semi-Analytic Model (SAM), focusing on the evolution of the BH mass - stellar mass ($M_{\rm BH}-M_*$)
Externí odkaz:
http://arxiv.org/abs/2410.13958
Autor:
Zhou, Yihao, Mukherjee, Diptajyoti, Chen, Nianyi, Di Matteo, Tiziana, Johansson, Peter H., Rantala, Antti, Partmann, Christian, Carlo, Ugo NiccolDi, Bird, Simeon, Ni, Yueying
MBH seed mergers are expected to be among the loudest sources of gravitational waves detected by the Laser Interferometer Space Antenna (LISA), providing a unique window into the birth and early growth of SMBH. We present the MAGICS-II simulation sui
Externí odkaz:
http://arxiv.org/abs/2409.19914
Merger rate predictions of Massive Black Hole (MBH) seeds from large-scale cosmological simulations differ widely, with recent studies highlighting the challenge of low-mass MBH seeds failing to reach the galactic center, a phenomenon known as the se
Externí odkaz:
http://arxiv.org/abs/2409.19095
Autor:
Ni, Yueying, Chen, Nianyi, Zhou, Yihao, Park, Minjung, Yang, Yanhui, DiMatteo, Tiziana, Bird, Simeon, Croft, Rupert
We present new results from the ASTRID simulation from $z=3$ to $z=0.5$, covering the epoch of cosmic noon. The galaxy stellar mass function, as well as the black hole mass and luminosity functions in ASTRID, exhibit good agreement with recent observ
Externí odkaz:
http://arxiv.org/abs/2409.10666
Kpc-scale dual and offset Active Galactic Nuclei (AGNs) are signposts of accreting supermassive black holes (SMBHs) triggered during late-stage galaxy mergers, offering crucial insights into the coevolution of SMBHs and galaxies. However, robustly co
Externí odkaz:
http://arxiv.org/abs/2405.14980
Autor:
Uppal, Anavi, Ward, Charlotte, Gezari, Suvi, Natarajan, Priyamvada, Chen, Nianyi, LaChance, Patrick, Di Matteo, Tiziana
Publikováno v:
ApJ 975 286 (2024)
Supermassive black holes (SMBHs) can be ejected from their galactic centers due to gravitational wave recoil or the slingshot mechanism following a galaxy merger. If an ejected SMBH retains its inner accretion disk, it may be visible as an off-nuclea
Externí odkaz:
http://arxiv.org/abs/2405.11026
Autor:
LaChance, Patrick, Croft, Rupert, Ni, Yueying, Chen, Nianyi, Di Matteo, Tiziana, Bird, Simeon
We present mock JWST observations for more than 250,000 different galaxies from the Astrid simulation with $3 \leq z \leq 6$. The mock observations are made using the BPASS stellar SED model, and a simple dust model. They are then viewed through NIRC
Externí odkaz:
http://arxiv.org/abs/2401.16608
Autor:
Dadiani, Ekaterine, Di Matteo, Tiziana, Chen, Nianyi, Lachance, Patrick, Shen, Yue, Chen, Yu-Ching, Croft, Rupert, Ni, Yueying, Bird, Simeon
Publikováno v:
Open Journal of Astrophysics, Volume 7, 7th October 2024
We study dual AGN host galaxy morphologies at $z=2$ using the ASTRID simulation, selecting black hole (BH) pairs with small separation ($\Delta r<30\rm{kpc}$), high mass ($M_{\text{BH,12}}>10^7M_\odot$), and luminosity ($L_{\text{bol,12}}>10^{43}\rm{
Externí odkaz:
http://arxiv.org/abs/2312.14263
Autor:
Chen, Nianyi, Mukherjee, Diptajyoti, Di Matteo, Tiziana, Ni, Yueying, Bird, Simeon, Croft, Rupert
The elusive massive black hole (MBH) seeds stand to be revealed by the Laser Space Antenna Interferometer through mergers. As an aftermath of galaxy mergers, MBH coalescence is a vastly multi-scale process connected to galaxy formation. We introduce
Externí odkaz:
http://arxiv.org/abs/2312.09183