activity
20072026
most citedAn updated analytic model for the attenuation by the intergalactic medium

465 citations · 3.2k across the 63 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

45 papers · 1 filter

astro-ph.GA2026

The AGORA High-resolution Galaxy Simulations Comparison Project. IX - Part 2: Effects of a Major Galaxy Merger on the Stellar Morphology of a Milky Way-mass Galaxy Progenitor

Thinh Huu Nguyen, Kirk S. S. Barrow, Minyong Jung +23

Galaxy mergers, with their high sensitivity to initial conditions, provide a valuable setting for comparative studies of galaxy simulation codes. Following our first paper focusing…

astro-ph.GA2026

The AGORA High-resolution Galaxy Simulations Comparison Project. IX - Part 1: Effects of a Major Galaxy Merger on Star Formation of a Milky Way-mass Galaxy Progenitor

Thinh Huu Nguyen, Kirk S. S. Barrow, Minyong Jung +23

Given their highly nonlinear dynamics and sensitivity to initial conditions, galaxy mergers are a compelling area to conduct a simulation code comparison. We perform a comparative…

astro-ph.GA2026

The AGORA High-resolution Galaxy Simulations Comparison Project. XI: Solving the Non-Spherical Morphology and Evolution of Dark Matter Halos with Haskap Pie

Kirk S. S. Barrow, Thinh Huu Nguyen, Santi Roca-Fàbrega +26

We introduce a halo solving and tracking procedure that intrinsically treats dark matter halos as non-spherical objects by leveraging the bound particle searching techniques used i…

astro-ph.GA2025★ 3 cited

The AGORA High-resolution Galaxy Simulations Comparison Project. X: Formation and Evolution of Galaxies at the High-redshift Frontier

Hyeonyong Kim, Ji-hoon Kim, Minyong Jung +22

Recent observations from JWST have revealed unexpectedly luminous galaxies, exhibiting stellar masses and luminosities significantly higher than predicted by theoretical models at…

astro-ph.GA2025★ 4 cited

The AGORA High-resolution Galaxy Simulations Comparison Project. VIII: Disk Formation and Evolution of Simulated Milky Way Mass Galaxy Progenitors at

Minyong Jung, Ji-hoon Kim, Thinh H. Nguyen +24

We investigate how differences in the stellar feedback produce disks with different morphologies in Milky Way-like progenitors over 1 , using eight state-of-the-art…

astro-ph.GA2024★ 20 cited

The AGORA High-resolution Galaxy Simulations Comparison Project. V: Satellite Galaxy Populations In A Cosmological Zoom-in Simulation of A Milky Way-mass Halo

Minyong Jung, Santi Roca-Fàbrega, Ji-hoon Kim +18

We analyze and compare the satellite halo populations at in the high-resolution cosmological zoom-in simulations of a target halo ( mass) c…

astro-ph.GA2024★ 19 cited

The AGORA High-resolution Galaxy Simulations Comparison Project. VI. Similarities and Differences in the Circumgalactic Medium

Clayton Strawn, Santi Roca-Fàbrega, Joel R. Primack +26

We analyze the circumgalactic medium (CGM) for eight commonly-used cosmological codes in the AGORA collaboration. The codes are calibrated to use identical initial conditions, cosm…

astro-ph.GA2023★ 12 cited

Updated measurements of [O III] 88 m, [C II] 158 m, and Dust Continuum Emission from a z=7.2 Galaxy

Yi W. Ren, Yoshinobu Fudamoto, Akio K. Inoue +13

We present updated measurements of the [O III] 88 m, [C II] 158 m, and dust continuum emission from a star-forming galaxy at , SXDF-NB1006-2, by utilizing Atacama La…

astro-ph.GA2023★ 21 cited

The 300 pc resolution imaging of a z = 8.31 galaxy: Turbulent ionized gas and potential stellar feedback 600 million years after the Big Bang

Yoichi Tamura, Tom J. L. C. Bakx, Akio K. Inoue +16

We present the results of 300 pc resolution ALMA imaging of the [OIII] 88 m line and dust continuum emission from a Lyman break galaxy MACS0416_Y1. The velocity-inte…

astro-ph.GA2022★ 10 cited

Star Formation and Chemical Enrichment in Protoclusters

Keita Fukushima, Kentaro Nagamine, Ikkoh Shimizu

We examine star formation and chemical enrichment in protoclusters (PCs) using cosmological zoom-in hydrodynamic simulations. We find that the total star formation rate (SFR) in al…

astro-ph.GA2022★ 54 cited

JWST reveals a possible galaxy merger in triply-lensed MACS0647JD

Tiger Yu-Yang Hsiao, Dan Coe, Abdurro'uf +63

MACS0647JD is a triply-lensed galaxy originally discovered with the Hubble Space Telescope. Here we report new JWST imaging, which clearly resolves MACS0647JD as ha…

astro-ph.GA2022★ 20 cited

Possible Systematic Rotation in the Mature Stellar Population of a Galaxy

Tsuyoshi Tokuoka, Akio K. Inoue, Takuya Hashimoto +13

We present new observations with the Atacama Large Millimeter/submillimeter Array for a gravitationally-lensed galaxy at , MACS1149-JD1. [O III] 88-m emission is detected…

astro-ph.GA2022★ 32 cited

Osaka Feedback Model II: Modeling Supernova Feedback Based on High-Resolution Simulations

Yuri Oku, Kengo Tomida, Kentaro Nagamine +2

Feedback from supernovae (SNe) is an essential mechanism that self-regulates the growth of galaxies, and a better model of SN feedback is still needed in galaxy formation simulatio…

astro-ph.GA2021★ 41 cited

The AGORA High-resolution Galaxy Simulations Comparison Project. III: Cosmological zoom-in simulation of a Milky Way-mass halo

Santi Roca-Fàbrega, Ji-hoon Kim, Loic Hausammann +20

We present a suite of high-resolution cosmological zoom-in simulations to of a halo at , obtained using seven contemporary astrophysical simul…

astro-ph.GA2021★ 16 cited

Catch Me if You Can: Biased Distribution of Ly-emitting Galaxies according to the Viewing Direction

Rieko Momose, Kazuhiro Shimasaku, Kentaro Nagamine +4

We report that Ly-emitting galaxies (LAEs) may not faithfully trace the cosmic web of neutral hydrogen (HI), but their distribution is likely biased depending on the viewing dir…

astro-ph.GA2020★ 8 cited

A puzzling non-detection of [O III] and [C II] from a galaxy observed with ALMA

C. Binggeli, A. K. Inoue, T. Hashimoto +12

Characterizing the galaxy population in the early Universe holds the key to understanding the evolution of these objects and the role they played in cosmic reionization. However, t…

astro-ph.GA2020★ 25 cited

Statistical correlation between the distribution of Ly emitters and IGM HI at mapped by Subaru/Hyper Suprime-Cam

Yongming Liang, Nobunari Kashikawa, Zheng Cai +11

The correlation between neutral Hydrogen (HI) in the intergalactic medium (IGM) and galaxies now attracts great interests. We select four fields which include several coherently st…

astro-ph.GA2020★ 26 cited

Probing Feedback via IGM tomography and Ly forest with Subaru PFS, TMT/ELT, and JWST

Kentaro Nagamine, Ikkoh Shimizu, Katsumi Fujita +8

In preparation for the IGM tomography study by Subaru Prime Focus Spectrograph (PFS) survey and other large future telescopes such as TMT/ELT/GMT, we present the results of our pil…

astro-ph.GA2020★ 158 cited

ALMA uncovers the [CII] emission and warm dust continuum in a z = 8.31 Lyman break galaxy

Tom J. L. C. Bakx, Yoichi Tamura, Takuya Hashimoto +15

We report on the detection of the [CII] 157.7 m emission from the Lyman break galaxy (LBG) MACS0416_Y1 at z = 8.3113, by using the Atacama Large Millimeter/submillimeter Array (…

astro-ph.GA2020★ 33 cited

Environmental Dependence of Galactic Properties Traced by Ly Forest Absorption: Diversity among Galaxy Populations

Rieko Momose, Kazuhiro Shimasaku, Nobunari Kashikawa +8

In order to shed light on how galactic properties depend on the intergalactic medium (IGM) environment traced by the Ly forest, we observationally investigate the IGM-galaxy con…

astro-ph.GA2020★ 7 cited

Connection Between Galaxies and HI in the Circumgalactic and Intergalactic Media: Variation According to Galaxy Stellar Mass and Star-formation Activity

Rieko Momose, Ikkoh Shimizu, Kentaro Nagamine +3

This paper systematically investigates comoving Mpc scale intergalactic medium (IGM) environment around galaxies traced by the Ly forest. Using our cosmological hydrodynamic sim…

astro-ph.GA2019★ 21 cited

Balmer breaks in simulated galaxies at z>6

C. Binggeli, E. Zackrisson, X. Ma +6

Photometric observations of the spectroscopically confirmed galaxy MACS1149-JD1 have indicated the presence of a prominent Balmer break in its spectral energy distri…

astro-ph.GA2019★ 16 cited

Bubble mapping with the Square Kilometer Array -- I. Detecting galaxies with Euclid, JWST, WFIRST and ELT within ionized bubbles in the intergalactic medium at z>6

Erik Zackrisson, Suman Majumdar, Rajesh Mondal +16

The Square Kilometer Array is expected to provide the first tomographic observations of the neutral intergalactic medium at redshifts z>6 and pinpoint the locations of individual i…

astro-ph.GA2019★ 50 cited

Osaka Feedback Model: Isolated Disk Galaxy Simulations

Ikkoh Shimizu, Keita Todoroki, Hidenobu Yajima +1

We study various implementations of supernova feedback model and present the results of our `Osaka feedback model' using isolated galaxy simulations performed by the smoothed parti…