開催趣旨

星形成は、宇宙の進化を理解するうえで極めて重要な過程であり、現在もなお多くの未解明な課題が残されています。分子雲のダイナミクス、磁場、乱流、重力崩壊、原始星ジェット、円盤形成といった多様な物理過程が複雑に絡み合う中、それらを解きほぐして理解するためには、多波長観測・理論・シミュレーションの連携が不可欠です。

本研究会では、電波を中心とした観測拠点である国立天文台野辺山に集い、最新の研究成果を共有するとともに、単一鏡から干渉計・VLBI観測までのスケール横断的かつ観測と理論をつなぐ議論を通じて新たな視点や共同研究の可能性を探ることを目的とします。特に、若手研究者・大学院生の積極的な参加を歓迎し、次世代の研究を担う人材の育成とネットワーク構築の場とすることを目指します。旅費については主に大学院生を対象に補助を検討しています。

なお、本研究会では長年電波天文学の発展に大きな貢献をしてきました国立天文台　立松健一名誉教授の退官記念講演も予定しております。

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Purpose and Background

Understanding how stars and planets form is a fundamental goal in astronomy and essential for unraveling the origin and evolution of cosmic structures. Despite significant advances in recent decades, many key questions remain unsolved due to the complexity of processes involved—such as turbulence, magnetic fields, gravity, jet launching, disk formation, and planet formation.

Japan’s Nobeyama Radio Observatory (NRO) has played a central role in establishing the foundation of radio astronomy in Japan. Its legacy extends from single-dish molecular cloud studies to millimeter/submillimeter interferometry, culminating in Japan’s significant contributions to the ALMA project. This workshop will revisit Nobeyama’s scientific heritage and explore the future of star and planet formation studies from both observational and theoretical perspectives.

Scientific Topics and Program

The workshop will focus on the following key areas:

・Early stages of star formation and molecular cloud dynamics

・Magnetic fields, turbulence, and gravitational collapse

・Formation and evolution of protostellar disks

・Observational breakthroughs with Nobeyama, ALMA, and multi-wavelength facilities

・Theoretical and numerical modeling across spatial scales

In addition, this workshop will feature a special retirement commemorative lecture by Professor Kenichi Tatematsu, Emeritus Professor of the National Astronomical Observatory of Japan, who has made significant contributions to the advancement of radio astronomy over many years.

 Invited Speakers

Ken Tatematsu（NAOJ）

Sheng-Yuan Liu (ASIAA)

Masao Saito (NAOJ)

Kazuo Sorai (Hokkaido University)

Yoshito Shimajiri (Kyushu Kyoritsu University)

Tetsuhiro Minamidani (NAOJ)

Kotomi Taniguchi (NAOJ)

Atsushi Nishimura (NAOJ)

Hiroshi Imai (Kagoshima University)

Satoshi Ohashi (University of Tokyo)

Kazuki Tokuda (Kagawa University)

Nami Sakai (RIKEN)

Naomi Hirano (ASIAA)

SOC

Atsushi Nishimura (NAOJ)

Ryo Kandori (Astro Biology Center)

Satoshi Ohashi (University of Tokyo)

Yoshinori Yonekura (Ibaraki University)

Nario Kuno (University of Tsukuba)

Hiroshi Imai (Kagoshima University)

Nami Sakai (RIKEN)

Fumitaka Nakamura (NAOJ)

Kengo Tachihara (Nagoya University)

Kazuki Tokuda (Kagawa University)

Shunya Takekawa (Kanagawa University)