Results 31 to 40 of about 182,258 (232)

Secondary evolution of galaxies investigated by N-body simulations [PDF]

, 2008
In the ΛCDM cosmology, merging is one of the most important physical processes that drives the formation and evolution of galaxies. In the present work, we use N-body techniques to investigate some of currently open issues related to the formation and ...
Coppola, Giuseppina
core   +1 more source

There was a star-forming galaxy that was quenched

, 2022
Cluster galaxies are subject to a whole range of processes and interactions that dramatically change their properties. To shed light on these issues, we analyze the most homogeneous and complete local cluster galaxy survey to date: WINGS/OmegaWINGS, and use stellar population synthesis techniques to obtain properties such as stellar mass, stellar ages,
Pérez-Millán, David, Fritz, Jacopo, González-Lopezlira, Rosa A.   +2 more
openaire   +2 more sources

Quenching time-scales of galaxies in the eagle simulations

Monthly Notices of the Royal Astronomical Society, 2019
Final version accepted to MNRAS.
Ruby J Wright, Claudia del P Lagos, Luke J M Davies, Chris Power, James W Trayford, O Ivy Wong   +5 more
openaire   +4 more sources

Environmental quenching of high-redshift galaxies: Interpreting JWST observations with simulations

Astronomy & Astrophysics
Recent observations of the high-redshift Universe (z > 3), particularly with the James Webb Space Telescope (JWST), have revealed a population of quenched galaxies that challenges current galaxy formation models, which systematically underpredict their ...
Döven Aleyna, Ayromlou Mohammadreza, Porciani Cristiano   +2 more
doaj   +1 more source

Searching for Conformity Across Cosmic Time with Local Group and Local Volume Star Formation Histories

The Astrophysical Journal, 2023
Conformity denotes the correlation of properties between pairs of galaxies as a function of separation. Correlations between properties such as the star formation rate (SFR), stellar mass, and specific star formation rate (sSFR) have implications for the
Charlotte Olsen, Eric Gawiser
doaj   +1 more source

The Roles of Mass and Environment in the Quenching of Galaxies. II. [PDF]

The Astrophysical Journal, 2020
Abstract We take advantage of an analytic model of galaxy formation coupled to the merger tree of an N-body simulation to study the roles of environment and stellar mass in the quenching of galaxies. The model has been originally set in order to provide the observed evolution of the stellar mass function as well as reasonable predictions
E. Contini, Q. Gu, X. Ge, J. Rhee, S. K. Yi, X. Kang   +5 more
openaire   +2 more sources

The imprint of cosmic web quenching on central galaxies

Monthly Notices of the Royal Astronomical Society, 2021
ABSTRACT We investigate how cosmic web environment impacts the average properties of central galaxies in the Sloan Digital Sky Survey (SDSS). We analyse how the average specific star formation rate, stellar age, metallicity, and element abundance ratio [α/Fe] of SDSS central galaxies depend on distance from the cosmic web nodes, walls ...
N Winkel, A Pasquali, K Kraljic, R Smith, A Gallazzi, T M Jackson   +5 more
openaire   +4 more sources

From Halos to Galaxies. VII. The Connections between Stellar Mass Growth History, Quenching History, and Halo Assembly History for Central Galaxies

The Astrophysical Journal, 2023
The assembly of galaxies over cosmic time is tightly connected to the assembly of their host dark matter halos. We investigate the stellar mass growth history and the chemical enrichment history of central galaxies in the Sloan Digital Sky Survey Mapping
Cheqiu Lyu, Yingjie Peng, Yipeng Jing, Xiaohu Yang, Luis C. Ho, Alvio Renzini, Bitao Wang, Kai Wang, Bingxiao Xu, Dingyi Zhao, Jing Dou, Qiusheng Gu, Roberto Maiolino, Filippo Mannucci, Feng Yuan   +14 more
doaj   +1 more source

Identifying and Distinguishing Quenching Galaxies with Spatially Resolved Star Formation in TNG50

The Astrophysical Journal
Using the TNG50 simulation, we determine observationally motivated metrics that can distinguish quenching galaxies from star-forming galaxies for M _* ≥ 10 ^9.5 M _⊙ , based on the spatial distribution of their stellar populations. Quenching galaxies are
Cameron Lawlor-Forsyth, Michael L. Balogh, Elizaveta Sazonova, Cameron R. Morgan, Sean L. McGee, Gregory H. Rudnick   +5 more
doaj   +1 more source

Surrogate‐Optimized Flow‐Guided Miniature Condenser for Rapid Exhaled Glucose Detection

Advanced Materials Technologies, EarlyView.
A surrogate‐optimized miniature condenser guides humid exhaled flow toward cold surfaces to accelerate exhaled breath condensate collection. By improving vapor access within a compact footprint, the design increases sample yield. This enables post‐collection enrichment and rapid colorimetric glucose detection from dilute exhaled biomarkers within a 5 ...
Yiming Thomas Lu, Yamin Mansur, Sai Peri, Jiangyuan Wan, Amio Pronoy Das Ritwik, Emily L. Johnson, Jingcheng Ma   +6 more
wiley   +1 more source