Revisiting the small-scale crises of ΛCDM: new perspectives and insights

Hai-Xia MA

Nagoya University

The ΛCDM paradigm has been remarkably successful in explaining the large-scale structure of the universe, from galaxy clustering to the cosmic microwave background. However, at smaller scales—both galactic and circum-galactic—observations reveal persistent discrepancies that challenge the standard model. These small-scale crises include the core-cusp problem, the missing satellites problem, the...

The Development of Self-Consistent Dust and Non-LTE Line Radiative Transfer with SKIRT and Its Application to Hydrodynamic Simulations

Kosei Matsumoto

Ghent University

Over the past two decades, Herschel, ALMA, and JWST have conducted detailed spectroscopic observations of molecular and atomic lines against the dust continuum, offering insights into the interstellar medium of galaxies. To interpret these observations, it is essential to self-consistently model the radiation field, the level populations of atoms and...

Isotopic Links from ALMA Observations of Protoplanetary Disks to Ryugu Sample Return

Hideko Nomura

National Astronomical Observatory of Japan

Isotopic ratios provide a powerful tool for understanding the origins of materials. Thanks to recent ALMA observations with high sensitivity and high spatial resolution, not only the rings, gaps and spirals in dust continuum emission, but also various molecules, including complex organic molecules as well as many rare isotopologues have...

Bridging Nuclear Transients with AGNs - Insights from The Case of AT2023clx

Kohki Uno

Kyoto University

Supermassive black holes in galaxy cores trigger dynamical outbursts called nuclear transients. The number of such transients has been increasing, leading to discoveries of serendipitous phenomena renewing our understanding. We present spectropolarimetric observations of AT2023clx, among the most nearby nuclear transients classified as a tidal disruption event (TDE). We detected...

Nancy Grace Roman 宇宙望遠鏡が拓く新たな宇宙像 Nancy Grace Roman Space Telecope: Challenge to Open New Vision of the Universe

Toru Yamada

Institute of Space and Astronautical Science, JAXA

Nancy Grace Roman (*) 宇宙望遠鏡 (以下，Roman) の打上がいよいよ約2年後に迫ってきた。Roman は，James Webb 宇宙望遠鏡に続くNASAが主導する大型宇宙物理学ミッションで，口径2.4mの光学望遠鏡と 2.88億画素の広視野近赤外撮像・分光装置を持ち，ハッブル宇宙望遠鏡の約200倍の視野で，宇宙の加速膨張史の精密測定とダークエネルギーの性質の解明，宇宙の構造形成史の広範かつ精密な測定，太陽系外惑星の分布の全貌を把握する研究，そして，近赤外線広視野観測を活用する様々な天文学課題を遂行する。 また，Roman には，広視野での撮像分光を行う主装置 Wide Field Instrument に加えて，技術実証装置として，太陽系外惑星の直接観測のための宇宙用コロナグラフ装置が搭載される。これは将来の Habitable Worlds Observatory などによる地球類似惑星（太陽型の周囲のハビタブルゾーンを巡る地球型惑星）の直接観測のための必須かつ重要なステップと位置づけられている。現在，Roman は，2026年10月の打上を目指して，最終段階の開発が進められているところである。 Roman望遠鏡計画には，当初より JAXAを通じて日本の研究者が参加しており，Roman望遠鏡の科学計画の検討，装置開発，JAXA地上局にによる大規模観測データ受信運用への参加に加えて，非常にユニークでRomanと相補的な能力を持つ地上望遠鏡（国立天文台・すばる望遠鏡と大阪大学・PRIME望遠鏡）を用いた協調観測により貢献を行っている。本講演では，Nancy Grace Roman 宇宙望遠鏡がどのようなデータを得ようとするのか，そして，宇宙論・銀河の形成と進化・太陽系外惑星について，Roman が拓くと期待される新たな宇宙像について紹介し，併せてRoman 計画の現状，および日本の寄与の現状や科学協力についてもお話しする。Roman の観測時間の 75% を占めるサーベイ観測のデータは，観測後すみやかに全世界の研究者にオープンされ，また，25%は様々な共同利用課題を遂行する一般観測時間である。是非，多くの研究者の方に Roman データの活用を期待したい。 講演者はこれまで，すばる望遠鏡の広視野観測によって銀河の形成・進化についての研究を進めてきた。すばる望遠鏡による輝線銀河や星形成銀河の観測をさらに高赤方偏移へと発展させるため，また，星質量に基づく銀河観測や吸収を受けた赤い銀河の観測など可視光の広視野に対応する近赤外線データを取得するためには，Roman宇宙望遠鏡はまさにすばる広視野観測からの「必然の発展」を目指すものとも言えるだろう。このような観点から，とくに高赤方偏移の銀河分布構造と銀河形成領域に着目して，Romanへの期待についてもお話ししたい。 The launch of the Nancy Grace Roman (*) Space Telescope (hereafter referred to as "Roman")...

Star formation induced by cloud-cloud collisions in nearby barred galaxies

Yoshiomasa Watanabe

Sibaura Institute of Technology

More than 300 molecular species have been identified in the interstellar matter. These chemical compositions provide various insights into the physical condition of molecular gas, its surrounding environment, and its evolution in the star and planet formation studies in the Galaxy. Thanks to the recent high sensitivity and high spatial...

Formation of intermediate-mass black hole in forming star clusters

Michiko Fujii

The University of Tokyo

The existence of intermediate-mass black holes (IMBHs) in globular clusters has been debated. One possible way to form IMBHs in globular clusters is by repeating the merger of BHs in star clusters. However, gravitational-wave recoils kick the IMBHs out from the host globular clusters before they reach 500 Msun. Another...

Volume density structure of the NGC 253 CMZ through ALCHEMI excitation analysis: what is the critical difference between NGC253 and Milky Way?

Kunihiko Tanaka

Keio University

NGC 253 is an archetypal starburst galaxy in the nearby universe, whose relative proximity (D ~ 3.5 Mpc) makes it an ideal target for studying the physical and chemical environments conducive to highly active star formation (SF).　In particular, its similarity to the Milky Way (MW), traditionally understood as a quiescent...

すばる広視野サーベイとJWSTで見えてきた遠方超巨大ブラックホールの初期成長

Masafusa Onoue

Kavli IPMU

We present the latest observations of the early growth of active supermassive black holes (=quasars) in the early Universe, less than a billion years after the Big Bang, mainly using the Subaru Telescope and the James Webb Space Telescope (JWST). The search for distant quasars has been active since the...

磁気トルネード現象に注目した，太陽コロナ加熱のためのエネルギー発生・輸送・散逸の数値的研究

Hidetaka Kuniyoshi

University of Tokyo

The outermost atmosphere of the Sun (the corona) reaches temperatures hundreds of times hotter than its surface (the photosphere), exceeding 1 million degrees. This issue of solar corona heating has been an unresolved problem since the 1930s and is a main target of the SOLAR-C mission. Furthermore, the solar corona...

ALMA and JWST exploration of high-redshift galaxies (and stars)

Yoshinobu Fudamoto

Chiba University

Extragalactic astronomy is currently in an exciting period. Observing high-redshift galaxies allows us to directly see galaxies in the distant past, dating back to when the Universe was only nearly a few hundred million years old. This remarkable feature has led astronomers to dedicate significant efforts toward finding and studying...

Cloud-scale molecular gas properties of nearby spiral and starburst galaxies with ALMA

Toshiki Saito

National Astronomical Observatory of Japan

(Ultra)luminous infrared galaxies (= (U)LIRGs) at z=0 form stars 10-100 times more efficiently than z=0 main sequence (MS) galaxies, which is explained by nearby (U)LIRGs being gas-rich merging galaxies. Numerical simulations and sub-kpc observations clearly show that tidal interaction between gas-rich progenitors is condensing gas and triggering subsequent starburst activity...

X線偏光観測による活動銀河核の構造

Atsushi Tanimoto

Kagoshima University

　Active Galactic Nucleus (AGN) is a phenomenon in which the accretion of mass onto a supermassive black hole (SMBH) converts its gravitational energy into radiant energy, causing the center of the galaxy to glow with a solar intensity of about $10^{9}$. AGNs emit gamma rays from radio waves, which have...

ダークマターは何者か？：暗黒物質の解明に向けた近傍宇宙論研究の現状と将来展望

Kohei Hayashi

NIT, Sendai College

Most of the matter in the universe is dominated by dark matter. However, its nature remains a mystery and is one of the biggest problems in modern physics. Various approaches have been taken in a wide range of fields from particle physics to astronomy to elucidate the nature of this...

スペクトル吸収線から探る原始銀河団ガス

Ken Mawatari

University of Tsukuba

In discussing the formation and evolution of galaxies, it is essential to know how the material circulation (inflow and outflow of gas) to and from intergalactic space occurs. Observing absorption lines in the spectra of distant sources as background sources is a classical method to study the intergalactic material (IGM),...

シミュレーション・サーベイで探る，初代星形成の統一シナリオ

Shingo Hirano

The University of Tokyo

First stars or Population III stars are the first generation of stars born in primordial gas clouds in the early universe, and are considered to have formed and evolved differently from later generations of stars (Population II/I stars) whose gas clouds contain heavy elements. Recently, with the advent of the...

X-ray polarisation observations: A new means of exploring the high-energy universe

Toru Tamagawa

RIKEN

X-rays are emitted from many astrophysical objects, including black holes, neutron stars, galaxies, and galaxy clusters. The Imaging X-ray Polarimeter Explorer (IXPE) satellite was launched by NASA in December 2021 to observe polarization with high sensitivity, which is the only field of X-ray astrophysics that has not yet been tackled....

New insights into active galactic nuclei using high-resolution submillimetre-wave observations

Takuma Izumi

NAOJ

Active Galactic Nuclei (AGN) shine brightly due to the gravitational energy released by mass accretion onto a supermassive black hole (SMBH). AGN are smoking guns of black hole growth. Recently, the Atacama Large Millimeter/submillimeter Array (ALMA), the world's most powerful submillimeter interferometer, has made it possible to study various properties...

Supernova explosions and the isotope $^{56}$N

Ryo Sawada

University of Tokyo

A gravitational collapse supernova is an explosion of a massive star at the end of its evolution. The explosion mechanism of supernovae is an unsolved problem in astrophysics. Large-scale numerical simulation studies of supernovae overcame the "failure to reproduce the explosion" problem in the 2000s and the "failure to reproduce...

Accretion disk jet structure in the environs of a supermassive black hole explored by polarized light imaging

Yuh Tsunetoe

University of Tsukuba

The realization of direct imaging of supermassive black holes has opened a new horizon for understanding the mysterious driving mechanism of active galactic nuclear jets. We have taken this opportunity to investigate the structure of accretion disks and jets in the vicinity of black holes through the prediction of polarization...

Star Formation Activity in Barred Spiral Galaxies Probed by Molecular Gas Observations

Fumiya Maeda

Institute of Astronomy, The University of Tokyo

Star formation activity in disk galaxies is known to depend on the structure of the galaxy (e.g., center, arms, bars, etc.). The dependence is particularly pronounced in barred spiral galaxies, where active star formation is observed in the arms, while star formation is weak (low star formation rate) in the...

Formation and evolution of star-forming filaments in molecular clouds

Daisei Abe

Nagoya University

Stars form in high-density regions in molecular clouds, which are known to be filamentary. The formation and evolution of filaments are important because they determine the initial conditions for star formation. In this presentation, I will report our results on simulations of filament formation and evolution. It is known that...

The CMB Polarization Observation Experiment GroundBIRD

Shunsuke Honda

University of Tsukuba

The Cosmic Microwave Background Radiation (CMB), the afterglow of the Big Bang that has expanded with the evolution of the universe, contains 13.8 billion years of history. Currently, studies on the detailed observation of the CMB polarization fluctuation patterns are attracting a great deal of attention. Many research groups are...

Cosmic Ray Particle Acceleration by the Jet of Microquasar SS433 Probed through Radio Observations

Haruka Sakemi

Kagoshima University

Since its discovery in the 1970s, the microquasar SS433 has attracted much attention as one of the most active jet objects in our Galaxy and has been the subject of numerous studies. However, there are still many unresolved questions, such as the identity of the main star and companion star...

The Age of Discovery with JWST: Excavating the First Massive Black Holes and First Galaxies

Kohei Inayoshi

Peking University

The James Webb Space Telescope (JWST) is opening a new window of the most distant universe and will unveil the early growth of supermassive black holes (BHs) in the first galaxies. The existence of supermassive massive BHs observed when the universe was younger than one billion years strongly constrains their...

Probing the impact of feedback by cosmological hydrodynamic simulations

Kentaro Nagamine

Osaka University

Observations of the cosmic background radiation have established the $\Lambda$ cold dark matter (CDM) model as the standard cosmological model, and on large scales the $\Lambda$CDM model has been very successful, providing the backbone of the cosmic large-scale structure. However, on small scales below 1 Mpc, there are still many...

The Milky Way's central supermassive black hole observed by the Event Horizon Telescope: results and future prospects

Kotaro Moriyama

Goethe University Frankfurt

On May 12, 2022, the Event Horizon Telescope (EHT) Collaboration released the world's first images of the close vicinity (several gravitational radii scale) of Sgr A*, the supermassive black hole at the center of our Milky Way Galaxy. The EHT is an international collaborative research project that links telescopes from...

ALMA/NOEMA view of galaxy-scale molecular outflows

Dragan Salak

Hokkaido University

Kiloparsec-scale outflows of gas and dust are thought to be an important mechanism in regulating star formation in galaxies and increasing the metallicity of circumgalactic and intergalactic media. In the past two decades, outflows have been discovered in numerous galaxies with vigorous star formation (starburst) and active galactic nuclei (AGN)...

UV & Ly-alpha halos of LAEs across environments at z=2.84

Satoshi Kikuta

University of Tsukuba, Center for Computational Sciences

Diffuse Lyα emission around galaxies, or Lyα halo (LAH), is a valuable probe of their circumgalactic medium which regulate galaxy evolution. We present UV & Lyα radial surface brightness (SB) profiles of Lyα emitters (LAEs) at z = 2.84 detected with the HSC on the Subaru Telescope. UV and Lyα...

A multifaceted study of the remnants of first stars

Takanobu Kirihara

University of Tsukuba, Center for Computational Sciences

The first stars play a particularly important role in the history of the universe because they are the first luminous objects in our universe and the first to produce heavy elements. However, no direct observational traces of them have yet been obtained. Now, the operation of a new generation of...

Molecular cloud collisions and machine learning

Shinji Fujita

Osaka Prefecture University

Massive stars are very important for the physical and chemical evolution of the interstellar medium and the galaxy as a whole. The key to their formation is the accretion of mass onto their parent molecular cloud cores. In recent years, the rapid compression caused by supersonic collisions between molecular clouds...

On the Tidal Formation of Dark Matter Deficient Galaxies

Go Ogiya

University of Waterloo

Recently, observations reported that the ultra diffuse galaxy NGC1052-DF2 (DF2), believed to be a member of the NGC1052 group, is dark matter (DM) deficient. Its inferred DM mass is smaller, by a factor of a few hundred, than what is expected based on its stellar mass and empirical models for...

152^nd Uchu Forum Revisiting the small-scale crises of ΛCDM: new perspectives and insights

Hai-Xia MA (Nagoya University)

151^st Uchu Forum The Development of Self-Consistent Dust and Non-LTE Line Radiative Transfer with SKIRT and Its Application to Hydrodynamic Simulations

Kosei Matsumoto (Ghent University)

150^th Uchu Forum Isotopic Links from ALMA Observations of Protoplanetary Disks to Ryugu Sample Return

Hideko Nomura (National Astronomical Observatory of Japan)

149^th Uchu Forum Bridging Nuclear Transients with AGNs - Insights from The Case of AT2023clx

Kohki Uno (Kyoto University)

148^th Uchu Forum Nancy Grace Roman 宇宙望遠鏡が拓く新たな宇宙像 Nancy Grace Roman Space Telecope: Challenge to Open New Vision of the Universe

Toru Yamada (Institute of Space and Astronautical Science, JAXA)

147^th Uchu Forum Star formation induced by cloud-cloud collisions in nearby barred galaxies

Yoshiomasa Watanabe (Sibaura Institute of Technology)

146^th Uchu Forum Formation of intermediate-mass black hole in forming star clusters

Michiko Fujii (The University of Tokyo)

145^th Uchu Forum Volume density structure of the NGC 253 CMZ through ALCHEMI excitation analysis: what is the critical difference between NGC253 and Milky Way?

Kunihiko Tanaka (Keio University)

144^th Uchu Forum すばる広視野サーベイとJWSTで見えてきた遠方超巨大ブラックホールの初期成長

Masafusa Onoue (Kavli IPMU)

143^rd Uchu Forum 磁気トルネード現象に注目した，太陽コロナ加熱のためのエネルギー発生・輸送・散逸の数値的研究

Hidetaka Kuniyoshi (University of Tokyo)

142^nd Uchu Forum ALMA and JWST exploration of high-redshift galaxies (and stars)

Yoshinobu Fudamoto (Chiba University)

141^st Uchu Forum Cloud-scale molecular gas properties of nearby spiral and starburst galaxies with ALMA

Toshiki Saito (National Astronomical Observatory of Japan)

140^th Uchu Forum X線偏光観測による活動銀河核の構造

Atsushi Tanimoto (Kagoshima University)

139^th Uchu Forum ダークマターは何者か？：暗黒物質の解明に向けた近傍宇宙論研究の現状と将来展望

Kohei Hayashi (NIT, Sendai College)

138^th Uchu Forum スペクトル吸収線から探る原始銀河団ガス

Ken Mawatari (University of Tsukuba)

137^th Uchu Forum シミュレーション・サーベイで探る，初代星形成の統一シナリオ

Shingo Hirano (The University of Tokyo)

136^th Uchu Forum X-ray polarisation observations: A new means of exploring the high-energy universe

Toru Tamagawa (RIKEN)

135^th Uchu Forum New insights into active galactic nuclei using high-resolution submillimetre-wave observations

Takuma Izumi (NAOJ)

134^th Uchu Forum Supernova explosions and the isotope $^{56}$N

Ryo Sawada (University of Tokyo)

133^rd Uchu Forum Accretion disk jet structure in the environs of a supermassive black hole explored by polarized light imaging

Yuh Tsunetoe (University of Tsukuba)

132^nd Uchu Forum Star Formation Activity in Barred Spiral Galaxies Probed by Molecular Gas Observations

Fumiya Maeda (Institute of Astronomy, The University of Tokyo)

131^st Uchu Forum Formation and evolution of star-forming filaments in molecular clouds

Daisei Abe (Nagoya University)

130^th Uchu Forum The CMB Polarization Observation Experiment GroundBIRD

Shunsuke Honda (University of Tsukuba)

129^th Uchu Forum Cosmic Ray Particle Acceleration by the Jet of Microquasar SS433 Probed through Radio Observations

Haruka Sakemi (Kagoshima University)

128^th Uchu Forum The Age of Discovery with JWST: Excavating the First Massive Black Holes and First Galaxies

Kohei Inayoshi (Peking University)

127^th Uchu Forum Probing the impact of feedback by cosmological hydrodynamic simulations

Kentaro Nagamine (Osaka University)

126^th Uchu Forum The Milky Way's central supermassive black hole observed by the Event Horizon Telescope: results and future prospects

Kotaro Moriyama (Goethe University Frankfurt)

125^th Uchu Forum ALMA/NOEMA view of galaxy-scale molecular outflows

Dragan Salak (Hokkaido University)

124^th Uchu Forum UV & Ly-alpha halos of LAEs across environments at z=2.84

Satoshi Kikuta (University of Tsukuba, Center for Computational Sciences)

123^rd Uchu Forum A multifaceted study of the remnants of first stars

Takanobu Kirihara (University of Tsukuba, Center for Computational Sciences)

122^nd Uchu Forum Molecular cloud collisions and machine learning

Shinji Fujita (Osaka Prefecture University)

121^st Uchu Forum On the Tidal Formation of Dark Matter Deficient Galaxies

Go Ogiya (University of Waterloo)

120^th Uchu Forum Structure of the magnetic field driving active galactic nuclear jets probed by polarized light images

Yu Tsuneto (Kyoto University)

119^th Uchu Forum Identifying galactic structures in a galaxy more than 12 billion years ago using the gas dynamics

Takafumi Tsukui (Sokendai)

118^th Uchu Forum A theoretical framework for cosmological analysis of 21-cm line observations

Rika Ando (Nagoya University)

117^th Uchu Forum The Diversity of IGM-galaxy connection among galaxies at redshift z = 2-3

Rieko Momose (University of Tokyo)

116^th Uchu Forum Hybernating black holes: galaxy collisions and black hole activity

Masao Mori (University of Tsukuba, Center for Computational Sciences)

115^th Uchu Forum Supermassive black hole seed formation in the early universe

Yuya Sakurai (IPMU)

114^th Uchu Forum Extracting information from emission line intensity maps using deep learning

Moriwaki Kana (University of Tokyo)

113^th Uchu Forum Exploring Molecular Clouds in our Galaxy with FUGIN

Saito Hiro (University of Tsukuba)

112^th Uchu Forum Supermassive star formation via super competitive accretion in slightly metal-enriched clouds

Sunmyon Chon (Theoretical Astrophysics Group, University of Tohoku)

111^th Uchu Forum New observational methods using hyperfine structure lines of the heavy elements of the Warm-Hot Intergalactic Medium

Kohji Yoshikawa (University of Tsukuba)

110^th Uchu Forum The growth of distant galaxies as seen by ALMA

Takuya Hashimoto (University of Tsukuba)

109^th Uchu Forum Molecular abundances in nearby galaxies (NGC 1068, NGC 253, and IC 342)

Shuro Takano (Nihon University)

108^th Uchu Forum Growth by Super-Eddington Accretion of Seed Black Holes in Primordial Galaxies

Daisuke Toyouchi (University of Kyoto, Theoretical Astrophysics Group)

107^th Uchu Forum The current status of galaxy formation at redshift 3

Hideki Umehata (Riken)

106^th Uchu Forum Formation of multiple Pop III stars under radiation feedback

Kazuyuki Sugimura (University of Maryland)

105^th Uchu Forum A series of "most distant" results

Akio Inoue (Waseda University)

104^th Uchu Forum New insights into the formation of massive galaxies and galaxy clusters in the early universe

Tao Wang (University of Tsukuba, Center for Computatational Sciences)

103^rd Uchu Forum Gravitational instability and fragmentation of spiral arms

Shigeki Inoue (University of Tsukuba, Center for Computatational Sciences)

102^nd Uchu Forum Massive star formation through molecular cloud collisions and triggered star-formation through feedback

Kazuhiro Shima (Kyoto University, Theoretical Astrophysics Group)

101^st Uchu Forum High-density gas formation and star formation in the Milky Way: The FUGIN project

Nario Kuno (University of Tsukuba, Observational Astrophysics Group)

100^th Uchu Forum Simulations of first galaxies formation: Toward a unified understanding of first stars and low-metalicity star cluster formation.

Hidenobu Yajima (University of Tsukuba, CCS)

99^th Uchu Forum AGN Feedback in Gas-Rich Galaxies

Alexander Wagner (University of Tsukuba, CCS)

98^th Uchu Forum Polarization observations of protoplaneteray discs with ALMA

Satoshi Ohashi (RIKEN, Star and Planet Formation Laboratory)

97^th Uchu Forum Integrated perturbation theory and bias in large scale structure

Takahiko Matsubara (High Energy Accelerator Research Organization (KEK))

96^th Uchu Forum CO Multi-line Imaging of Nearby Galaxies (COMING): molecular gas and star formation

Kazuo Sorai (Hokkaido University and University of Tsukuba joint appointment)

95^th Uchu Forum The Physics of Super-Eddington Accretion

Ken Ohsuga (University of Tsukuba, Center for Computational Sciences)

94^th Uchu Forum Opening the doors to Mars resource exploration business through Terahertz spectroscopy

Yasuko Kasai (Terahertz Technology Research Center, National Institute of Information and Communications Technology (NICT))

93^rd Uchu Forum New insights into galactic spiral arms: dynamic structure and observational signatures

Keiichi Wada (University of Kagoshima)

92^nd Uchu Forum Astrophysical turbulence - unraveling protoplanet formation

Masayuki Umemura (University of Tsukuba, Center for Computational Sciences)

91^st Uchu Forum 銀河における星形成則

Nario Kuno (University of Tsukuba, Observational Astrophysics Group)

90^th Uchu Forum 銀河スケールのダークマターハローのスケーリング則について

Masao Mori (University of Tsukuba, Theoretical Astrophysics Group)

89^th Uchu Forum Interstellar molecular composition on molecular cloud scale

Yoshimasa Watanabe (University of Tsukuba, Radio Astronomy Laboratory)

88^th Uchu Forum 連星の形成と質量降着

Toru Tsuribe (Ibaraki University)

87^th Uchu Forum SCF法による無衝突恒星系のシミュレーション

Shunsuke Hozumi (University of Shiga)

86^th Uchu Forum 長波長非線形揺らぎから探る初期宇宙モデル

Yuichi Takamizu (University of Tsukuba, theoretical astrophysics group)

85^th Uchu Forum 色等級図と金属量分布から探る矮小銀河の化学進化

Hidetomo Honma (NAOJ)

84^th Uchu Forum High resolution observations of protoplanetary disks with ALMA ~ Signs of protoplanets in a disk ? ~

Munetake Momose (Radio astronomy, Ibaraki University)

83^rd Uchu Forum 宇宙論的銀河形成シミュレーションで探る遠方銀河の形態獲得プロセスと形成期銀河円盤の力学不安定性解析

Shigeki Inoue (KAVLI INSTITUTE FOR THE PHYSICS AND MATHEMATICS OF THE UNIVERSE)

82^nd Uchu Forum Rotation Curve of M33 Explained by Disc Dark Matter

Toshio Fukushima (National Astronomical Observatory of Japan (NAOJ))

81^st Uchu Forum 初代星の最大質量と超巨大ブラックホールの起源

Takashi Hosokawa (The University of Tokyo Theoretical Astrophysics)

80^th Uchu Forum Water trail from molecular clouds to protoplanetary disks

Kenji Furuya (University of Tsukuba, Center for Computational Sciences)

79^th Uchu Forum Gravitational wave event GW150914 - initial masses and merging conditions

Masayuki Umemura (University of Tsukuba, Center for Computational Sciences)

78^th Uchu Forum 大規模探査で迫る巨大ブラックホール進化

Toru Nagao (Research Center for Space and Cosmic Evolution, Ehime University)

77^th Uchu Forum 活動銀河核アウトフローの輻射流体シミュレーション

Mariko Nomura (University of Tsukuba, Center for Computational Sciences, Theoretical Astrophysics Group)

76^th Uchu Forum ダスト観測による高赤方偏移銀河の探査

Naomasa Nakai (University of Tsukuba, Radio Astronomy Laboratory)

75^th Uchu Forum The evolution of the mass functions of active supermassive black holes and their host galaxies out to z~2

Andreas Schulze (Kavli IPMU)

74^th Uchu Forum Studying the nature of Dark Matter with nearby dwarf galaxies

Kohei Hayahsi (Kavli IPMU)

73^rd Uchu Forum Collisionless Weibel shocks and electron acceleration in gamma-ray bursts

Kazem Ardaneh (Department of Computer Science, University of Tsukuba)

72^nd Uchu Forum Development of a Wide-Field Camera containing Microwave Kinetic Inductance Detectors

Tomu Nitta (University of Tsukuba)

71^st Uchu Forum 波長~1mmの 高感度-高分解能観測で見えてくる近傍銀河の新たな姿

Kazushi Sakamoto (Academia Sinica Institute of Astronomy and Astrophysics (ASIAA))

70^th Uchu Forum Astrochemisry of Water

Yuri Aikawa (University of Tsukuba, Center for Computational Sciences, Theoretical Astrophysics Group)

69^th Uchu Forum 銀河の渦状構造

Nario Kuno (University of Tsukuba, Radio Astronomy Laboratory)

68^th Uchu Forum Terahertz absorption and synchrotron radiation circular dichroism spectroscopy of biological organic molecules

Jun-ichi Takahashi (Osaka University Institute of Laser Engineering)

67^th Uchu Forum Determination of distances to galaxies using masers

Naomasa Nakai (University of Tsukuba, Radio Astronomy Laboratory)

66^th Uchu Forum CO imaging study of merger remnants

Junko Ueda (NAOJ)

65^th Uchu Forum Vlasov-Poisson Simulations of Neutrinos in Cosmological Large Scale Structure Formation

Kohji Yoshikawa (University of Tsukuba)

64^th Uchu Forum The environments of giant Ly-alpha blobs, traced by wide-field Ly-alpha imaging

Tomoki Saito (ICRR)

63^rd Uchu Forum 回転駆動型パルサー磁気圏の粒子加速機構

Tomohide Wada (Tsukuba University of Technology)

62^nd Uchu Forum 銀河における星間ガスの進化と星形成の観測的研究

Nario Kuno (University of Tsukuba, Observational Astrophysics Group)

61^st Uchu Forum 微惑星形成と原始惑星系円盤の乱流

Satoshi Okuzumi (Tokyo Institute of Technology)

60^th Uchu Forum 銀河スケールのダークマターハローの構造及び銀河の形成・進化

Masao Mori (University of Tsukuba, theoretical astrophysics group)

59^th Uchu Forum CMBで探る宇宙論の現状と地上観測実験POLARBEARの最新結果

Tomotake Matsumura (KEK)

58^th Uchu Forum 中性子星連星の合体と電磁波対応天体

Masaru Shibata (Kyoto University)

57^th Uchu Forum 21cm線放射の観測によるニュートリノ質量階層構造の制限

Yoshihiko Ohyama (KEK)

56^th Uchu Forum 高赤方偏移宇宙の輝線銀河観測：Lya輝線銀河から[CII]輝線銀河へ

Yuichi Matsuda (NAOJ, Chili observatory)

55^th Uchu Forum Multi-parameterization of the Star Formation Law; Discovery of the Fundamental Plane of the ISM

Shinya Komugi (NAOJ, Chili observatory)

54^th Uchu Forum 太陽系外惑星の直接観測に向けたバイナリ瞳マスク・コロナグラフの開発

Kanae Haze (JAXA)

53^rd Uchu Forum (Part2) Radiation transfer models to interpret the Lyman-apha properties of high-redshift galaxies

Anne Verhamme (Geneva Observatory)

53^rd Uchu Forum (Part1) Exploring the Cosmic Dawn by Deep ALMA and HST Observations

Masami Ouchi (Institute for Cosmic Ray Research, University of Tokyo)

52^nd Uchu Forum WISE衛星を用いた活動銀河核ダストトーラスの光度および赤方偏移依存性の検証

Yoshiki Toba (SOKENDAI, ISAS/JAXA)

51^st Uchu Forum Lyα輝線銀河探査で探る宇宙再電離

Takatoshi Shibuya (University of Tsukuba, theoretical astrophysics group / Institute for Cosmic Ray Research, University of Tokyo)

50^th Uchu Forum 次世代位置天文学観測による太陽系付近の局所暗黒物質密度の決定

Shigeki Inoue (KASI)

49^th Uchu Forum 天文学における基礎物理定数の観測

Shinichi Ohshima ()

48^th Uchu Forum COSMIC DUST AND COSMOLOGICAL STAR FORMATION PROCESS

Daisuke Yamasawa (Hokkaido University)

47^th Uchu Forum Size Evolution of Early-Type Galaxies through Dry Mergers

Taira Oogi (Hokkaido University)

46^th Uchu Forum 宇宙生命計算科学 -生体アミノ酸カイラリティ宇宙起源の検証に向けて-

Masayuki Umemura (University of Tsukuba, Center for Computational Sciences)

45^th Uchu Forum New results of the QUIET experiment

Makoto Nagai (University of Tsukuba, Radio Astronomy Laboratory)

44^th Uchu Forum Effects of Galaxy Interactions on Molecular Gas Properties and Star Formation

Hiroyuki Kaneko (University of Tsukuba, Radio Astronomy Laboratory)

43^rd Uchu Forum ガンマ線バーストの次なる革命

Kunihito Ioka (KEK)

42^nd Uchu Forum Transient Sources of Ultra-high-energy Cosmic Rays and their Observational Evidence

Hajime Takami (KEK)

41^st Uchu Forum SKA計画で探る宇宙磁場のファラデー回転

Takuya Akahori (KASI)

40^th Uchu Forum ニュートリノ輻射輸送を伴う超新星爆発の３Dシミュレーション

Tomoya Takiwaki (National Astronomical Observatory of Japan, Division of Theoretical Astronomy)

39^th Uchu Forum 6次元位相空間上でのVlasov-Poisson方程式系の直接数値計算による無衝突自己重力系の数値シミュレーション

Kohji Yoshikawa (University of Tsukuba, theoretical astrophysics group)

38^th Uchu Forum 宇宙赤外線背景放射の観測による宇宙初期の探査 ~ロケット実験CIBERの最近の成果から

Shuji Matsuura (JAXA/ISAS)

37^th Uchu Forum アンモニア分子輝線で探る分子雲の物理状態

Masumichi Seta (University of Tsukuba, Radio Astronomy Laboratory)

36^th Uchu Forum アンドロメダの涙とリング

Masao Mori (University of Tsukuba, theoretical astrophysics group)

35^th Uchu Forum ニュートリノの速度の測定について

Naomasa Nakai (University of Tsukuba, Radio Astronomy Laboratory)

34^th Uchu Forum 宇宙磁場の起源

Keitaro Takahashi (Kumamoto University)

33^rd Uchu Forum 宇宙再電離シミュレーション

Kenji Hasegawa (University of Tsukuba, theoretical astrophysics group)

32^nd Uchu Forum Clustered Star Formation in Dense Clumps of Molecular Clouds

Fumitaka Nakamura (National Astronomical Observatory of Japan, Division of Theoretical Astronomy)

31^st Uchu Forum Relativistic Jet Feedback in Radio Galaxies

Alex Wagner (University of Tsukuba, theoretical astrophysics group)

30^th Uchu Forum 初代星形成の輻射流体力学過程

Masayuki Umemura (Theoretical Astrophysics Group, University of Tsukuba)

29^th Uchu Forum すばるで探る再電離期の宇宙

Masami Ouchi (ICRR, University of Tokyo)

28^th Uchu Forum 銀河系中心領域へのガス供給と銀河系中心での星形成について

Daisuke Namekata (Theoretical Astrophysics Group, University of Tsukuba)

27^th Uchu Forum 渦状腕構造の正体

Junichi Baba (NAOJ)

26^th Uchu Forum 超新星残骸からの宇宙線の逃走

Yutaka Ohira (KEK)

25^th Uchu Forum Once upon a time in Andromeda

Masao Mori 氏 (University of Tsukuba, theoretical astrophysics group)

24^th Uchu Forum 銀河の暗黒物質

Masashi Chiba (Tohoku University Astronomical Institute)

23^rd Uchu Forum 南極ドームふじ基地における電波天文学

Seta Masumichi 氏 (University of Tsukuba, Radio Astronomy Laboratory)

22^nd Uchu Forum Gaia 時代の銀河系考古学

Daisuke Kawata (Mullard, Space Science Laboratory, University College London)

21^st Uchu Forum 天体起源の宇宙線電子・陽電子について

Norita Kawanaka (KEK)

20^th Uchu Forum The role of environment on the mass buildup of supermassive black holes

John Silverman (Kavli IPMU)

19^th Uchu Forum Suynaev-Zel'dovich Effect in Merging Galaxy Clusters

Kohji Yoshikawa (University of Tsukuba, Center for Computational Sciences)

18^th Uchu Forum ブラックホールへのガス降着現象

Toshihiro Kawaguchi (University of Tsukuba, Center for Computational Sciences)

17^th Uchu Forum 地球質量ダークマターマイクロハローの形成・進化

Tomoaki Ishiyama (NAOJ, Division of Theoretical Astronomy)

16^th Uchu Forum ガス降着による超巨大ブラックホール形成理論構築に向けて

Nozomu Kawakatsu (University of Tsukuba, Center for Computational Sciences)

15^th Uchu Forum Steps towards PopIII Stellar IMF

Masayuki Umemura (University of Tsukuba)

14^th Uchu Forum ブラックホールの鼓動からスピンを測定する

Yoshiaki Kato (JAXA)

13^th Uchu Forum 太陽圏外圏の構造とダイナミックス -- ヴォイジャー観測を基礎にして

Haruichi Washimi (CSPAR, University of Alabama in Huntsvile)

12^th Uchu Forum 定在降着衝撃波不安定性の数値流体解析と重力崩壊型超新星爆発への応用

Junichi Sato (cea)

11^th Uchu Forum 星形成過程でのジェットとアウトフロー現象の解明

Masahiro Machida (Kyoto University)

10^th Uchu Forum 銀河衝突におけるスターバーストと星団形成

Takayuki Saitoh (NAOJ, Division of Theoretical Astronomy)

9^th Uchu Forum 水素分子の観測

Naomasa Nakai (University of Tsukuba)

8^th Uchu Forum 初期練成を含む星団の力学進化

Ataru Tanikawa (NAOJ)

7^th Uchu Forum First Cosmic Light

Andrea Ferrara (Scuola Normale Superiore)

6^th Uchu Forum 水素分子の観測

Naomasa Nakai (University of Tsukuba)

5^th Uchu Forum The Making of The First Stars

Naoki Yoshida (IPMU)

4^th Uchu Forum Warm-Hot Intergalactic Medium as Missing Baryon

Kohji Yoshikawa (University of Tsukuba)

3^rd Uchu Forum 宇宙背景放射(CMB)偏光観測

Masashi Hazumi (KEK)

2^nd Uchu Forum 銀河系中心領域における高速度分子ガス

Makoto Nagai (University of Tsukuba)

1^st Uchu Forum Constructing a new magnetic reconnection model - beyond the Petschek model

Shinya Nitta (Tsukuba University of Technology)