activity
20152026
most citedA Universe of Ultra-Diffuse Galaxies: Theoretical Predictions from CDM Simulations

133 citations · 750 across the 26 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

26 papers · 1 filter

astro-ph.GA2026

Rapid Dark Growth of Seed Black Holes in Self-Interacting Dark Matter

Yu Rong, Shuang-Nan Zhang, Jian-Min Wang +1

The rapid emergence of massive black holes in the early Universe, possibly related to Little Red Dots, challenges conventional growth from light seeds. Dark-matter accretion offers…

astro-ph.GA2024

Galaxy Group Ellipticity Confirms a Younger Cosmos

Yu Rong

We present an analysis of the ellipticities of galaxy groups, derived from the spatial distribution of member galaxies, revealing a notable incongruity between the observed local g…

astro-ph.GA2023

The Clumpy Structure Of Five Star-bursting Dwarf Galaxies In The MaNGA Survey

Mengting Ju, Jun Yin, Lei Hao +6

The star-forming clumps in star-bursting dwarf galaxies provide valuable insights into the understanding of the evolution of dwarf galaxies. In this paper, we focus on five star-bu…

astro-ph.GA2022★ 13 cited

MaNGA 8313-1901: gas accretion observed in a blue compact dwarf galaxy?

Mengting Ju, Jun Yin, Rongrong Liu +13

Gas accretion is an important process in the evolution of galaxies, but it has limited direct observational evidences. In this paper, we report the detection of a possible ongoing…

astro-ph.GA2021

SDSS-IV MaNGA: Cannibalism Caught in the Act -- on the Frequency of Occurrence of Multiple Cores in Brightest Cluster Galaxies

Yun-Hsin Hsu, Yen-Ting Lin, Song Huang +16

Although it is generally accepted that massive galaxies form in a two-phased fashion, beginning with a rapid mass buildup through intense starburst activities, followed by primaril…

astro-ph.GA2021★ 4 cited

The Formation and Evolution of Massive Galaxies

Yingjie Jing, Yu Rong, Jie Wang +2

The discovery of massive galaxies at high redshifts, especially the passive ones, poses a big challenge for the current standard galaxy formation models. Here we use the semi-analy…

astro-ph.GA2020

The Blue Compact Dwarf Galaxy VCC 848 Formed by Dwarf-Dwarf Merging: HI Gas, Star Formation and Numerical Simulations

Hong-Xin Zhang, Rory Smith, Se-Heon Oh +12

A clear link between a dwarf-dwarf merger event and enhanced star formation (SF) in the recent past was recently identified in the gas-dominated merger remnant VCC 848, offering by…

astro-ph.GA2020★ 21 cited

Lessons on Star-forming Ultra-diffuse Galaxies from The Stacked Spectra of Sloan Digital Sky Survey

Yu Rong, Kai Zhu, Evelyn J. Johnston +4

We investigate the on-average properties for 28 star-forming ultra-diffuse galaxies (UDGs) located in low-density environments, by stacking their spectra from the Sloan Digital Sky…

astro-ph.GA2020★ 15 cited

Exploring the origin of ultra-diffuse galaxies in clusters from their primordial alignment

Yu Rong, Pavel E. Mancera Piña, Elmo Tempel +2

We find that the minor axes of the ultra-diffuse galaxies (UDGs) in Abell 2634 tend to be aligned with the major axis of the central dominant galaxy, at a confidence…

astro-ph.GA2020★ 33 cited

The Next Generation Fornax Survey (NGFS): VII. A MUSE view of the nuclear star clusters in Fornax dwarf galaxies

Evelyn J. Johnston, Thomas H. Puzia, Giuseppe D'Ago +16

Clues to the formation and evolution of Nuclear Star Clusters (NSCs) lie in their stellar populations. However, these structures are often very faint compared to their host galaxy,…

astro-ph.GA2020★ 33 cited

The Blue Compact Dwarf Galaxy VCC848 Formed by Dwarf-Dwarf Merging

Hong-Xin Zhang, Sanjaya Paudel, Rory Smith +8

It has long been speculated that many starburst or compact dwarf galaxies are resulted from dwarf-dwarf galaxy merging, but unequivocal evidence for this possibility has rarely bee…

astro-ph.GA2019★ 12 cited

The Next Generation Fornax Survey (NGFS): VI. The Alignment of Dwarf Galaxies in The Fornax Cluster

Yu Rong, Thomas H. Puzia, Paul Eigenthaler +16

Using the photometric data from the Next Generation Fornax Survey, we find a significant radial alignment signal among the Fornax dwarf galaxies. For the first time, we report that…

astro-ph.GA2019★ 25 cited

Intrinsic Morphology of Ultra-diffuse Galaxies

Yu Rong, Xiao-Yu Dong, Thomas H. Puzia +10

With the published data of apparent axis ratios for 1109 ultra-diffuse galaxies (UDGs) located in 17 low-redshift (z~ 0.020 - 0.063) galaxy clusters and 84 UDGs in 2 intermediate-r…

astro-ph.GA2019★ 7 cited

The Next Generation Fornax Survey (NGFS): V. Discovery of a dwarf-dwarf galaxy pair at z=0.30 and its characterization using deep VLT/MUSE observations

Evelyn J. Johnston, Paul Eigenthaler, Thomas Puzia +11

We report the detection of a pair of dwarf galaxies at which may be in the early stages of an interaction. Both galaxies have stellar masses of , and d…

astro-ph.GA2019★ 73 cited

SDSS-IV MaNGA: Inside-out vs. outside-in quenching in different local environments

Lihwai Lin, Bau-Ching Hsieh, Hsi-An Pan +13

The large Integral Field Spectroscopy (IFS) surveys have allowed the classification of ionizing sources of emission lines on sub-kpc scales. In this work, we define two non-paramet…

astro-ph.GA2018★ 1 cited

The Dawn Light of Blueberry Galaxies: Spectroscopic and Photometric Studies of two Starburst Dwarf Galaxies

Yu Rong, Huan Yang, Hong-xin Zhang +8

A population of so-called "blueberry" starbursting dwarf galaxies with extremely blue colors, low-metallicities, and enormous ionization ratios, has recently been found by Yang et…

astro-ph.GA2018★ 62 cited

The Next Generation Fornax Survey (NGFS): IV. Mass and Age Bimodality of Nuclear Clusters in the Fornax Core Region

Y. Ordenes-Briceño, T. H. Puzia, P. Eigenthaler +15

We present the analysis of 61 nucleated dwarf galaxies in the central regions () of the Fornax galaxy cluster. The galaxies and their nuclei are studied as part of…

astro-ph.GA2018★ 42 cited

The Next Generation Fornax Survey (NGFS): III. Revealing the Spatial Substructure of the Dwarf Galaxy Population inside half of Fornax's Virial Radius

Y. Ordenes-Briceño, P. Eigenthaler, M. A. Taylor +15

We report the discovery of 271 previously undetected dwarf galaxies in the outer Fornax cluster regions at radii using data from the Next Genera…

astro-ph.GA2018★ 61 cited

SDSS-IV MaNGA: Modelling the metallicity gradients of gas and stars - radially dependent metal outflow vs IMF

Jianhui Lian, Daniel Thomas, Claudia Maraston +7

In our previous work, we found that only two scenarios are capable of reproducing the observed integrated mass-metallicity relations for the gas and stellar components of local sta…

astro-ph.GA2018★ 120 cited

The Next Generation Fornax Survey (NGFS): II. The Central Dwarf Galaxy Population

Paul Eigenthaler, Thomas H. Puzia, Matthew A. Taylor +23

We present a photometric study of the dwarf galaxy population in the core region () of the Fornax galaxy cluster based on deep photometry from the Next Ge…

astro-ph.GA2017★ 24 cited

SDSS-IV MaNGA: A Distinct Mass Distribution Explored in Slow-Rotating Early-type Galaxies

Yu Rong, Hongyu Li, Jie Wang +8

We study the radial acceleration relation (RAR) for early-type galaxies (ETGs) in the SDSS MaNGA MPL5 dataset. The complete ETG sample show a slightly offset RAR from the relation…

astro-ph.GA2017★ 13 cited

Massive Quiescent Galaxies at z>3 in The Millennium Simulation Populated by A Semi-analytic Galaxy Formation Model

Yu Rong, Yingjie Jing, Liang Gao +5

We take advantage of the statistical power of the large-volume dark-matter-only Millennium simulation, combined with a sophisticated semi-analytic galaxy formation model, to explor…

astro-ph.GA2017★ 133 cited

A Universe of Ultra-Diffuse Galaxies: Theoretical Predictions from CDM Simulations

Yu Rong, Qi Guo, Liang Gao +5

A particular population of galaxies have drawn much interest recently, which are as faint as typical dwarf galaxies but have the sizes as large as galaxies, the so called "ul…

astro-ph.GA2015★ 19 cited

Galaxy alignment as a probe of large-scale filaments

Yu Rong, Yuan Liu, Shuang-Nan Zhang

The orientations of the red galaxies in a filament are aligned with the orientation of the filament. We thus develop a location-alignment-method (LAM) of detecting filaments around…