Presentations

International Conference

2025

• Itsuki Ogami, and others, "Revealing the Structure and Chemical Properties of the Andromeda Stellar Halo with Subaru/HSC and PFS", 11th Galaxy Evolution Workshop @ Nagoya Univ. Japan, August (Talk)

• Itsuki Ogami, and others, "Subaru/HSC & PFS Study of the Stellar Halo in the Andromeda System", PFS 14th collaboration meeting @ Kavli IPMU Japan, January (Poster)

2024

• Itsuki Ogami, and others, "Unveiling the nature of the Andromeda stellar halo with HSC and PFS", A mini-workshop on the bulge in Tokyo: Expectation toward PFS surveys @ Univ. of Tokyo Hongo campus Japan, October (Oral)

• Itsuki Ogami, and others, "Unveiling the Stellar Populations in Compact Stellar Systems Beyond the Milky Way", ELT Science in Light of JWST @ Tohoku Univ. Katahira Sakura-Hall Japan, June (Poster)

• Itsuki Ogami, and others, "Detection of the Halo Structure in M33 from Subaru/Hyper Suprime-Cam", The Milky Way Assembly Tale @ Bologna Italy, May (Poster; online)

• Itsuki Ogami, and others, "Wide-field analysis of the metal-poor Galactic globular cluster with Subaru/HSC", First Stars VII @ NY US, May (Poster; online)

• Itsuki Ogami, and others, "The nature of M31/M33 stellar halos explored by Subaru/HSC", Dark Matter in the Universe: The Present and Future of Galactic Archaeology and Near-field Cosmology @ Matsushima Japan, March (Oral)

• Itsuki Ogami, and others, "Probing the M33 stellar halo using HSC deep photometry", East Asian Young Astronomers Meeting 2024 (EAYAM 2024) @ Chiang Mai Thailand, January (Oral)

2023

• Itsuki Ogami, Mikito Tanaka, Yutaka Komiyama & Masashi Chiba, "The Nature of the Andromeda Stellar Halo and Substructures Explored with the Subaru/HSC NB515", The 2023 Asia-Pacific Regional IAU Meeting (APRIM 2023) @ Big Palette Fukushima Japan, August (Poster) 

Domestic Conference

2025

• Itsuki Ogami, and others, "Wide and Deep Mapping of NGC 5466 with Subaru/HSC and NB395", Astronomical Society of Japan Fall Meeting @ Yamaguchi, September (Oral)

• Itsuki Ogami, and others, "Detection of a New Satellite Galaxy (Triangulum IV) in the M33 Halo", Astronomical Society of Japan Spring Meeting @ Mito City Civic Center, March (Poster)

• Itsuki Ogami, and others, "Probing the Inner and Outer Halos of M31 with Subaru/HSC and NB515", Astronomical Society of Japan Spring Meeting @ Mito City Civic Center, March (Oral)

2024

• Itsuki Ogami, and others, "すばる望遠鏡/Hyper Suprime-Cam で探るアンドロメダ銀河外側ハロー", The Violent Universe @ NAOJ/Mitaka, September (Oral)

• Itsuki Ogami, and others, "すばる望遠鏡/Hyper Suprime-Cam で探る M83 恒星ハローの性質. I.", Astronomical Society of Japan Fall Meeting @ Kwansei Gakuin Univ., September (Oral)

• Itsuki Ogami, "すばる望遠鏡/PFS HR mode で探る局所銀河群銀河球状星団の性質", すばる3研究会 @ NAOJ/Mitaka, August (Oral)

• Itsuki Ogami, and others, "Unveiling the nature and structure of Galactic globular clusters", JASMINE Consortium Meeting 2024 @ NAOJ/Mitaka, August (Oral)

• Itsuki Ogami, and others, "The nature of M31/M33 stellar halos explored by Subaru/HSC & PFS survey", Astronomical Society of Japan Spring Meeting @ Univ. of Tokyo, March (Oral) 

2023

• Itsuki Ogami, and others, "すばる望遠鏡/HSC 深観測による M33 恒星ハローの探査", Astronomical Society of Japan Fall Annual Meeting @ Nagoya Univ., September (Oral)

• Itsuki Ogami, Miho N. Ishigaki, and others, "すばる望遠鏡/HSC による深観測で探るNGC5466広域分布", Astronomical Society of Japan Spring Annual Meeting @ Rikyo Univ., March (Oral)

2022

• Itsuki Ogami, Mikito Tanaka, Yutaka Komiyama & Masashi Chiba, "The Structures of M31 and M33 using Subaru/Hyper Suprime-Cam.", Galactic Archaeology Workshop, Tohoku Univ., September (Oral)

• Itsuki Ogami, Mikito Tanaka, Yutaka Komiyama & Masashi Chiba, "The Nature and Structures of M31 stellar halo using Subaru/HSC NB515", The Summer School for Young Astronomers and Astrophysicists 2022 @ Online, August (Oral)

• Itsuki Ogami, Mikito Tanaka, Yutaka Komiyama & Masashi Chiba, "すばる望遠鏡/Hyper Suprime-Cam 用狭帯域フィルターNB515 で探るアンドロメダ銀河恒星ハローの構造 II", Astronomical Society of Japan Spring Annual Meeting, Online, March (Oral)

2021

• Itsuki Ogami, Mikito Tanaka, Yutaka Komiyama & Masashi Chiba, "The Nature and Structures of M31 stellar halo using Subaru/HSC NB515", The Summer School for Young Astronomers and Astrophysicists 2021, Online, August (Oral)

• Itsuki Ogami, Mikito Tanaka, Yutaka Komiyama & Masashi Chiba, "すばる望遠鏡/Hyper Suprime-Cam用狭帯域フィルターNB515で探るアンドロメダ銀河恒星ハローの構造", Astronomical Society of Japan Fall Annual Meeting, Online, September (Oral)

Co-researcher's presentations

2025

• Sakurako Okamoto, et al. (Including Itsuki Ogami), "すばると宇宙望遠鏡の連携による銀河考古学", Astronomical Society of Japan Spring Meeting @ Yamaguchi, September

• Pete Kuzma, et al. (Including Itsuki Ogami), "A Pristine View of Extended Globular Cluster Structures", Astronomical Society of Japan Spring Meeting @ Yamaguchi, September

• Misa Yamaguchi, et al. (Including Itsuki Ogami), "銀河衝突シミュレーションで探るアンドロメダ銀河ハローのサブ構造の形成史", Astronomical Society of Japan Spring Meeting @ Yamaguchi, September

• Misa Yamaguchi, et al. (Including Itsuki Ogami), "Simultaneous formation of the Andromeda Giant Southern Stream and Eastern Extent", Astronomical Society of Japan Spring Meeting @ Mito City Civic Center, March

• Kyosuke Sato, et al. (including Itsuki Ogami), "こぐま座矮小楕円体銀河のハロー構造探査", Astronomical Society of Japan Spring Annual Meeting @ Mito City Civic Center, March

2024

• Misa Yamaguchi, et al. (Including Itsuki Ogami), "Formation of the Andromeda Giant Southern Stream and Eastern Extent", Astronomical Society of Japan Fall Meeting @ Kwansei Gakuin Univ., September

• Kyosuke Sato, et al. (including Itsuki Ogami), "すばる/HSC の広視野撮像データで探る Ursa Minor dSph の形成メカニズム", Astronomical Society of Japan Spring Annual Meeting @ Univ. of Tokyo, March

• 冨永望, 石垣美歩, 小上樹, et al., "The Zero Enrichment Rare Objects (ZERO) survey - I", Astronomical Society of Japan Spring Annual Meeting @ Univ. of Tokyo, March

• Sakurako Okamoto, and SNFC team (including Itsuki Ogami), "Subaru Near-Field Cosmology survey with HSC and PFS", Astronomical Society of Japan Spring Annual Meeting @ Univ. of Tokyo, March

• Kyosuke Sato, et al. (including Itsuki Ogami), "The extended stellar halo of Ursa Minor dwarf spheroidal galaxy: probed by HSC, PFS, and beyond", Subaru Prime Focus Spectrograph: Satellite Workshop @ NAOJ/Mitaka, March

• Ryota Ikeda, Itsuki Ogami, et al., "The Demography of Compact Stellar Systems in the Virgo Cluster by Subaru/PFS", Subaru Prime Focus Spectrograph: Satellite Workshop @ NAOJ/Mitaka, March

• Kyosuke Sato, et al. (including Itsuki Ogami), "The Formation Mechanism of Ursa Minor dSph using Subaru/HSC Wide-field Data”, Dark Matter in the Universe", Dark Matter in the Universe: The Present and Future of Galactic Archaeology and Near-field Cosmology @ Matsushima Japan, March

• Kyosuke Sato, et al. (including Itsuki Ogami), "The Formation Mechanism of Ursa Minor dSph using Subaru/HSC Wide-field Data", Subaru Users Meeting FY2023 @ NAOJ/Mitaka, January

2023

• Kyosuke Sato, Sakurako Okamoto, Yutaka Komiyama, Mikito Tanaka, 小上樹, "色等級図を用いた星形成-化学進化史導出アルゴリズムの精度検証", Astronomical Society of Japan Fall Annual Meeting, Nagoya Univ., September

Seminar Talks

2025

• Subaru Seminar, "The Nature of the Stellar Halo in the Andromeda Galaxy Explored with the Subaru/HSC", February 28, Subaru Telescope/Hilo office

2024

• Hawaii-DS joint seminar, "Exploring the Nature of the Andromeda Stellar Halo with Subaru/HSC & PFS", December 17, NAOJ/Mitaka

• CFHT colloquium, "The structure of the stellar halo of the Andromeda galaxy explored with the NB515 for Subaru/HSC. I.: New insights on the stellar halo up to 120 kpc", February 22, online

Outreach

2024

• Cafe Scientifique, The Violent Universe, Social Event with Citizen Astronomers @ NAOJ/Mitaka, September (Oral) [webpage: GALAXY CRUISE NEWS: First Social Event with Citizen Astronomers]