Search Results - "SEONG HWANG, Ho"
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An active galactic nucleus recognition model based on deep neural network
Published in Monthly notices of the Royal Astronomical Society (14-01-2021)“…ABSTRACT To understand the cosmic accretion history of supermassive black holes, separating the radiation from active galactic nuclei (AGNs) and star-forming…”
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Detection of a Large-Scale Structure of Intracluster Globular Clusters in the Virgo Cluster
Published in Science (American Association for the Advancement of Science) (16-04-2010)“…Globular clusters are usually found in galaxies, and they are excellent tracers of dark matter. Long ago it was suggested that intracluster globular clusters…”
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3
Searching for Rotating Galaxy Clusters in SDSS and 2dFGRS
Published in The Astrophysical journal (10-06-2007)Get full text
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4
UPCluster-SZ: The Updated Catalog of Galaxy Clusters from the List of Planck Sunyaev–Zel’dovich Sources
Published in The Astrophysical journal. Supplement series (01-05-2024)“…Abstract We present the updated galaxy cluster catalog of the second Planck catalog of Sunyaev–Zel’dovich sources (PSZ2) through the compilation of the data…”
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Evolution of star formation rate–density relation over cosmic time in a simulated universe: the observed reversal reproduced
Published in Monthly notices of the Royal Astronomical Society (11-10-2019)“…ABSTRACT We use the IllustrisTNG cosmological hydrodynamical simulation to study the evolution of star formation rate (SFR)–density relation over cosmic time…”
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Morphology of Galaxies in JWST Fields: Initial Distribution and Evolution of Galaxy Morphology
Published in The Astrophysical journal (01-05-2024)“…Abstract A recent study from the Horizon Run 5 (HR5) cosmological simulation has predicted that galaxies with log M * / M ⊙ ≲ 10 in the cosmic morning (10 ≳ z…”
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Washington CCD Photometry of the Globular Cluster System of the Giant Elliptical Galaxy M60 in Virgo
Published in The Astrophysical journal (20-07-2008)“…We present a photometric study of the GCs in the giant elliptical galaxy M60 in the Virgo Cluster, based on deep, relatively wide field Washington [image] CCD…”
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THE UNIVERSAL RELATION OF GALACTIC CHEMICAL EVOLUTION: THE ORIGIN OF THE MASS-METALLICITY RELATION
Published in The Astrophysical journal (20-08-2014)“…We examine the mass-metallicity relation for z [lap] 1.6. The mass-metallicity relation follows a steep slope with a turnover, or "knee," at stellar masses…”
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9
Generation of N‑Centered Radicals via a Photocatalytic Energy Transfer: Remote Double Functionalization of Arenes Facilitated by Singlet Oxygen
Published in Journal of the American Chemical Society (03-07-2019)“…An unprecedented approach to the generation of an N-centered radical via a photocatalytic energy-transfer process from readily available heterocyclic…”
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10
Reactivity Tuning for Radical–Radical Cross-Coupling via Selective Photocatalytic Energy Transfer: Access to Amine Building Blocks
Published in ACS catalysis (01-11-2019)“…Reductive N–O bond cleavage has been widely explored for providing either N or O radical species for various coupling processes. Despite significant advances,…”
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THE SCALING OF STELLAR MASS AND CENTRAL STELLAR VELOCITY DISPERSION FOR QUIESCENT GALAXIES AT z < 0.7
Published in The Astrophysical journal (01-12-2016)“…ABSTRACT We examine the relation between stellar mass and central stellar velocity dispersion-the M* relation-for massive quiescent galaxies at z < 0.7. We…”
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12
Direct C(sp3)–N Radical Coupling: Photocatalytic C–H Functionalization by Unconventional Intermolecular Hydrogen Atom Transfer to Aryl Radical
Published in Organic letters (07-08-2020)“…An unconventional approach for intermolecular direct C(sp3)–N radical coupling has been developed by photocatalytic C(sp3)–H activation of simple alkyl…”
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13
Understanding the Formation and Evolution of Dark Galaxies in a Simulated Universe
Published in The Astrophysical journal (01-02-2024)“…Abstract We study the formation and evolution of dark galaxies using the IllustrisTNG cosmological hydrodynamical simulation. We first identify dark galaxies…”
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14
Tomographic Alcock–Paczyński Test with Redshift-space Correlation Function: Evidence for the Dark Energy Equation-of-state Parameter w > −1
Published in The Astrophysical journal (01-08-2023)“…Abstract The apparent shape of galaxy clustering depends on the adopted cosmology used to convert observed redshift to comoving distance, the r ( z ) relation,…”
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15
Spatial Distribution of Dark Matter in and Around Galaxy Clusters Traced by Galaxies, Gas, and Intracluster Stars in a Simulated Universe
Published in The Astrophysical journal (01-07-2022)“…Abstract To understand how well galaxies, gas, and intracluster stars trace dark matter in and around galaxy clusters, we use the IllustrisTNG cosmological…”
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COSMOS2015 photometric redshifts probe the impact of filaments on galaxy properties
Published in Monthly notices of the Royal Astronomical Society (01-03-2018)“…Abstract The variation of galaxy stellar masses and colour types with the distance to projected cosmic filaments are quantified using the precise photometric…”
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Revealing the Local Cosmic Web from Galaxies by Deep Learning
Published in The Astrophysical journal (01-05-2021)“…Abstract A total of 80% of the matter in the universe is in the form of dark matter that composes the skeleton of the large-scale structure called the cosmic…”
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18
Case Report: Severe osteoporosis misunderstood by bone metastasis after total gastrectomy and multiple metastasectomy
Published in Frontiers in oncology (07-07-2023)“…After radical gastrectomy for gastric cancer, patients should be monitored from two perspectives. One is local recurrence or metastasis, and the other is…”
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A Deep Redshift Survey of the Perseus Cluster (A426): Spatial Distribution and Kinematics of Galaxies
Published in The Astrophysical journal. Supplement series (01-05-2024)“…Abstract We study the global kinematics of the Perseus galaxy cluster (A426) at redshift z = 0.017 using a large sample of galaxies from our new MMT/Hectospec…”
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The Origin of Star Formation in Early-type Galaxies Inferred from Spatially Resolved Spectroscopy
Published in The Astrophysical journal (01-08-2023)“…Abstract We investigate the origin of star formation activity in early-type galaxies with current star formation using spatially resolved spectroscopic data…”
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