activity
20192026
most citedMaNGA DynPop -- I. Quality-assessed stellar dynamical modelling from integral-field spectroscopy of 10K nearby galaxies: a catalogue of masses, mass-to-light ratios, density profiles and dark matter

53 citations · 365 across the 33 of their papers we have counts for

collaborators

34 papers

astro-ph.GA2026

Forged in Quenching: Morphological Transformation across Star-forming and Quiescent Galaxies in EAGLE

Kai Wang, Carlton Baugh, Sownak Bose +15

The connection between morphology and quenching in central galaxies is well established, but its physical origin remains widely debated. We address this by tracing the main progeni…

astro-ph.GA2026

The descendants of JWST galaxies in the COLIBRE simulations

Xu Zhao, Carlos S. Frenk, Andrew Pontzen +9

Recent observations with JWST have revealed a population of UV-bright galaxies at . This discovery naturally raises the question: what do such early galaxies evolve in…

astro-ph.GA2026

The progenitors of JWST galaxies in the COLIBRE simulations

Evgenii Chaikin, Andrew Pontzen, Carlos S. Frenk +4

JWST has revealed a large population of luminous galaxies () at redshifts , widely interpreted as posing a challenge to models of galaxy forma…

astro-ph.GA2026

Ruffled Feathers: Merger-driven galaxy size growth and structural transformation in EAGLE

Kai Wang, Carlton Baugh, Sownak Bose +9

Galaxy mergers drive both the size growth and the transformation from discs to spheroids, yet the prescriptions used to model these processes in semi-analytic frameworks have not b…

astro-ph.GA2026

Cosmological simulations of the high-redshift galaxy population adopting a variable stellar initial mass function

Anna Durrant, Robert A. Crain, Cedric G. Lacey +15

JWST surveys reveal a greater space density of high-redshift UV-bright galaxies than predicted by conventional galaxy formation models. We present results from a cMpc cosmo…

astro-ph.GA2026

The COLIBRE-SKIRT pipeline: Calibration-free dust radiative transfer postprocessing for cosmological simulations

Andrea Gebek, Maarten Baes, Nick Andreadis +16

Context. Three-dimensional dust radiative transfer provides a powerful framework to connect cosmological galaxy simulations to multiwavelength observations. Until recently, in larg…

astro-ph.GA2026

The galaxy ultraviolet luminosity function from to in the COLIBRE simulations

Shengdong Lu, Carlos S. Frenk, Cedric G. Lacey +17

JWST has enabled the detection of galaxies in the earliest stages of cosmic history. We compare the ultraviolet luminosity functions (UVLFs) at redshifts predicted by a se…

astro-ph.GA2026

Galaxy luminosity functions from far-UV to submillimetre at in the COLIBRE simulations

Shengdong Lu, Carlos S. Frenk, Cedric G. Lacey +15

We present predictions from the COLIBRE cosmological hydrodynamical simulations of galaxy formation for the present-day galaxy luminosity functions (LFs) at wavelengths ranging fro…

astro-ph.GA2026

Unifying the dynamical classification of early-type galaxies: kinematic deficits in IllustrisTNG versus observations

Wenyu Zhong, Min Du, Shengdong Lu +2

We conduct a comparative analysis of galaxy kinematics using IllustrisTNG simulations and integral-field spectroscopy (IFS) observations. We identify 2,342 early-type galaxies (ETG…

astro-ph.GA2025★ 3 cited

MaNGA DynPop. VII. A Unified Bulge-Disk-Halo Model for Explaining Diversity in Circular Velocity Curves of 6000 Spiral and Early-Type Galaxies

Kai Zhu, Michele Cappellari, Shude Mao +6

We derive circular velocity curves (CVCs) from stellar dynamical models for nearby galaxies in the final data release of the Sloan Digital Sky Survey-IV MaNGA survey wit…

astro-ph.GA2024

From larger-scale cold-gas angular-momentum environment to galaxy star-formation activeness

Sen Wang, Dandan Xu, Shengdong Lu

We study the influence of the ambient large-scale cold-gas vorticity on the specific star formation rate (sSFR) of central galaxies with stellar masses of $10.0<\log\,M_{\ast}/\mat…

astro-ph.GA2024★ 7 cited

Disparate Effects of Circumgalactic Medium Angular Momentum in IllustrisTNG and SIMBA

Kexin Liu, Hong Guo, Sen Wang +4

In this study, we examine the role of circumgalactic medium (CGM) angular momentum () on star formation in galaxies, whose influence is currently not well understood.…

astro-ph.GA2024★ 1 cited

SDSS-IV MaNGA: Stellar rotational support in disk galaxies vs. central surface density and stellar population age

Xiaohan Wang, Yifei Luo, S. M. Faber +10

We investigate how the stellar rotational support changes as a function of spatially resolved stellar population age () and relative central stellar surface density ($…

astro-ph.GA2024★ 3 cited

A comparison of pre-existing CDM predictions with the abundance of {\it JWST} galaxies at high redshift

Shengdong Lu, Carlos S. Frenk, Sownak Bose +4

Observations with the {\it James Webb Space Telescope} have revealed a high abundance of bright galaxies at redshift, , which has been widely interpreted as conflictin…

astro-ph.GA2023

Kinematical coherence between satellite galaxies and host stellar discs for MaNGA & SAMI galaxies

Sen Wang, Dandan Xu, Shengdong Lu +1

The effect of angular momentum on galaxy formation and evolution has been studied for several decades. Our recent two papers using IllustrisTNG-100 simulation have revealed the acq…

astro-ph.GA2023★ 11 cited

Galaxy stellar and total mass estimation using machine learning

Jiani Chu, Hongming Tang, Dandan Xu +2

Conventional galaxy mass estimation methods suffer from model assumptions and degeneracies. Machine learning, which reduces the reliance on such assumptions, can be used to determi…

astro-ph.GA2023★ 7 cited

MaNGA DynPop -- VI. Matter density slopes from dynamical models of 6000 galaxies versus cosmological simulations: the interplay between baryonic and dark matter

Shubo Li, Ran Li, Kai Zhu +5

We try to understand the trends in the mass density slopes as a function of galaxy properties. We use the results from the best Jeans Anisotropic Modelling (JAM) of the integral-fi…

astro-ph.GA2023★ 7 cited

MaNGA DynPop -- V. The dark-matter fraction versus stellar velocity dispersion relation and stellar initial mass function variations in galaxies: dynamical models and full spectrum fitting of integral-field spectroscopy

Shengdong Lu, Kai Zhu, Michele Cappellari +3

Using the final MaNGA sample of 10K galaxies, we investigate the dark matter fraction within one half-light radius for about 6K galaxies with good kinemati…

astro-ph.GA2023★ 7 cited

Velocity Dispersion Aperture Corrections as a Function of Galaxy Properties from Integral-field Stellar Kinematics of 10,000 MaNGA Galaxies

Kai Zhu, Ran Li, Xiaoyue Cao +3

The second moment of the stellar velocity within the effective radius, denoted by , is a crucial quantity in galaxy studies as it provides insight into galaxy properti…

astro-ph.GA2023★ 18 cited

A complete catalogue of broad-line AGNs and double-peaked emission lines from MaNGA integral-field spectroscopy of 10K galaxies: stellar population of AGNs, supermassive black holes, and dual AGNs

Youquan Fu, Michele Cappellari, Shude Mao +3

We analyse the integral-field spectroscopy data for the galaxies in final data release of the MaNGA survey. We identify 188 galaxies for which the emission lines ca…

astro-ph.GA2023★ 10 cited

MaNGA DynPop -- IV. Stacked total density profile of galaxy groups and clusters from combining dynamical models of integral-field stellar kinematics and galaxy-galaxy lensing

Chunxiang Wang, Ran Li, Kai Zhu +9

We present the measurement of total and stellar/dark matter decomposed mass density profile around a sample of galaxy groups and clusters with dynamical masses derived from integra…

astro-ph.GA2023★ 30 cited

MaNGA DynPop -- III. Stellar dynamics versus stellar population relations in 6000 early-type and spiral galaxies: Fundamental Plane, mass-to-light ratios, total density slopes, and dark matter fractions

Kai Zhu, Shengdong Lu, Michele Cappellari +4

We present dynamical scaling relations, combined with the stellar population properties, for a subsample of about 6000 nearby galaxies with the most reliable dynamical models extra…

astro-ph.GA2023★ 6 cited

MaNGA DynPop -- II. Global stellar population, gradients, and star-formation histories from integral-field spectroscopy of 10K galaxies: link with galaxy rotation, shape, and total-density gradients

Shengdong Lu, Kai Zhu, Michele Cappellari +3

This is the second paper of the MaNGA DynPop series, which analyzes the global stellar population, radial gradients, and non-parametric star-formation history of K galaxie…

astro-ph.GA2023★ 53 cited

MaNGA DynPop -- I. Quality-assessed stellar dynamical modelling from integral-field spectroscopy of 10K nearby galaxies: a catalogue of masses, mass-to-light ratios, density profiles and dark matter

Kai Zhu, Shengdong Lu, Michele Cappellari +3

This is the first paper in our series on the combined analysis of the Dynamics and stellar Population (DynPop) for the MaNGA survey in the final SDSS Data Release 17 (DR17). Here w…