Search Results - "Peng, Eric W"
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The formation of ultradiffuse galaxies in clusters
Published in Monthly notices of the Royal Astronomical Society (11-05-2020)“…ABSTRACT We use the IllustrisTNG cosmological hydrodynamical simulation to study the formation of ultradiffuse galaxies (UDGs) in galaxy clusters. We…”
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The Next Generation Virgo Cluster Survey (NGVS). XVIII. Measurement and Calibration of Surface Brightness Fluctuation Distances for Bright Galaxies in Virgo (and Beyond)
Published in The Astrophysical journal (01-04-2018)“…We describe a program to measure surface brightness fluctuation (SBF) distances to galaxies observed in the Next Generation Virgo Cluster Survey (NGVS), a…”
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The Next Generation Virgo Cluster Survey (NGVS). XXXV. First Kinematical Clues of Overly Massive Dark Matter Halos in Several Ultradiffuse Galaxies in the Virgo Cluster
Published in The Astrophysical journal (01-07-2023)“…Abstract We present Keck/DEIMOS spectroscopy of the first complete sample of ultradiffuse galaxies (UDGs) in the Virgo cluster. We select all UDGs in Virgo…”
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Globular clusters as tracers of the dark matter content of dwarfs in galaxy clusters
Published in Monthly notices of the Royal Astronomical Society (01-04-2021)“…ABSTRACT Globular clusters (GCs) are often used to estimate the dark matter content of galaxies, especially dwarf galaxies, where other kinematic tracers are…”
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Searching for Intermediate-mass Black Holes in Globular Clusters through Tidal Disruption Events
Published in The Astrophysical journal (01-03-2024)“…Abstract Intermediate-mass black holes (IMBHs) may be the link between stellar mass holes and the supermassive variety in the nuclei of galaxies, and globular…”
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The ACS Fornax Cluster Survey. V. Measurement and Recalibration of Surface Brightness Fluctuations and a Precise Value of the Fornax-Virgo Relative Distance
Published in The Astrophysical journal (20-03-2009)“…We present (g 475 - z 850) color and z 850-band surface brightness fluctuations (SBFs) measurements for 43 early-type galaxies in the Fornax cluster imaged…”
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The ACS Fornax Cluster Survey. III. Globular Cluster Specific Frequencies of Early-type Galaxies
Published in The Astrophysical journal (20-04-2019)“…The globular cluster (GC) specific frequency (SN), defined as the number of GCs per unit galactic luminosity, represents the efficiency of GC formation (and…”
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The Next Generation Virgo Cluster Survey (NGVS). XIV. The Discovery of Low-mass Galaxies and a New Galaxy Catalog in the Core of the Virgo Cluster
Published in The Astrophysical journal (20-02-2020)“…Abstract The Next Generation Virgo Cluster Survey (NGVS) was designed to provide a deep census of baryonic structures in the Virgo cluster. The survey covers…”
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The Next Generation Virgo Cluster Survey. XXXVII. Distant RR Lyrae Stars and the Milky Way Stellar Halo Out to 300 kpc
Published in The Astrophysical journal (01-05-2024)“…Abstract RR Lyrae stars are standard candles with characteristic photometric variability and serve as powerful tracers of Galactic structure, substructure,…”
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Virgo Redux: The Masses and Stellar Content of Nuclei in Early-type Galaxies from Multiband Photometry and Spectroscopy
Published in The Astrophysical journal (01-11-2017)“…We present an analysis of 39 nuclei and their early-type hosts in the Virgo Cluster using 10 broadband filters: F300W, F475W, F850LP, F160W, u * griz , and Ks…”
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The ACS Virgo Cluster Survey. XIII. SBF Distance Catalog and the Three-dimensional Structure of the Virgo Cluster
Published in The Astrophysical journal (20-01-2007)“…The ACS Virgo Cluster Survey consists of HST ACS imaging for 100 early-type galaxies in the Virgo Cluster, observed in the F475W (-SDSS g) and F850LP (-SDSS z)…”
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The Next Generation Virgo Cluster Survey (NGVS). III. A Catalog of Surface Brightness Fluctuation Distances and the Three-dimensional Distribution of Galaxies in the Virgo Cluster
Published in The Astrophysical journal (01-05-2024)“…Abstract The surface brightness fluctuation (SBF) method is a robust and efficient way of measuring distances to galaxies containing evolved stellar…”
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The Blue Compact Dwarf Galaxy VCC 848 Formed by Dwarf-Dwarf Merging: H i Gas, Star Formation, and Numerical Simulations
Published in The Astrophysical journal (01-09-2020)“…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…”
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The Next Generation Virgo Cluster Survey (NGVS). XXVII. The Size and Structure of Globular Cluster Systems and Their Connection to Dark Matter Halos
Published in The Astrophysical journal (01-05-2024)“…Abstract We study the size and structure of globular cluster (GC) systems of 118 early-type galaxies from the NGVS, MATLAS, and ACSVCS surveys. Fitting Sérsic…”
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The Origin of the Mass-Metallicity Relation: Insights from 53,000 Star-forming Galaxies in the Sloan Digital Sky Survey
Published in The Astrophysical journal (01-10-2004)“…We utilize Sloan Digital Sky Survey imaging and spectroscopy of 653,000 star-forming galaxies at z60.1 to study the relation between stellar mass and gas-phase…”
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The ACS Virgo Cluster Survey. XII. The Luminosity Function of Globular Clusters in Early-Type Galaxies
Published in The Astrophysical journal (01-07-2007)“…We analyze the luminosity function of the globular clusters (GCs) belonging to the early-type galaxies observed in the ACS Virgo Cluster Survey. We have…”
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THE NEXT GENERATION VIRGO CLUSTER SURVEY. XII. STELLAR POPULATIONS AND KINEMATICS OF COMPACT, LOW-MASS EARLY-TYPE GALAXIES FROM GEMINI GMOS-IFU SPECTROSCOPY
Published in The Astrophysical journal (01-05-2015)“…ABSTRACT We present Gemini Multi Object Spectrograph integral-field unit (GMOS-IFU) data of eight compact, low-mass early-type galaxies (ETGs) in the Virgo…”
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FAST-ASKAP Synergy: Quantifying Coexistent Tidal and Ram Pressure Strippings in the NGC 4636 Group
Published in The Astrophysical journal (01-10-2023)“…Abstract Combining new H i data from a synergetic survey of Australian Square Kilometre Array Pathfinder (ASKAP) Widefield ASKAP L -band Legacy All-sky Blind…”
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The complex nature of the nuclear star cluster in FCC 277
Published in Monthly notices of the Royal Astronomical Society (01-06-2013)“…Recent observations have shown that compact nuclear star clusters (NSCs) are present in up to 80 per cent of galaxies. However, detailed studies of their…”
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The ACS Virgo Cluster Survey. X. Half-Light Radii of Globular Clusters in Early-Type Galaxies: Environmental Dependencies and a Standard Ruler for Distance Estimation
Published in The Astrophysical journal (01-12-2005)“…We have measured half-light radii, r sub(h), for thousands of globular clusters (GCs) belonging to the 100 early-type galaxies observed in the ACS Virgo…”
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