Development of X-ray microcalorimeter for the study of the chemical evolution of cluster of galaxies

• Project/Area Number: 19840043
• Research Category: Grant-in-Aid for Young Scientists (Start-up)
• Allocation Type: Single-year Grants
• Research Field: Astronomy
• Research Institution: Kanazawa University (2008); Tokyo University of Science (2007)
• Principal Investigator: SATO Kosuke Kanazawa University, 数物科学系, 博士研究員 (50453840)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,065,000 (Direct Cost: ¥2,660,000、Indirect Cost: ¥405,000); Fiscal Year 2008: ¥1,755,000 (Direct Cost: ¥1,350,000、Indirect Cost: ¥405,000); Fiscal Year 2007: ¥1,310,000 (Direct Cost: ¥1,310,000)
• Keywords: X線 / 銀河団 / 化学進化 / マイクロカロリメータ / 重元素 / 低温 / 断熱消磁冷凍機 / カロリメータ / 超新星爆発 / 超伝導量子干渉計 / 国際研究者交流 / 極低温

Research Abstract

私は銀河団の化学進化の解明を目的にX線天文衛星「すざく」をもちいて銀河団の酸素や鉄などの重元素組成の研究を行った。重元素の多くは超新星爆発で生成されるがIa/II 型で生成される重元素組成は異なるので、私は今回の観測結果と理論モデルを組み合わせて、これまでに起こったIa/II 型超新星爆発の比を決定した。その結果、比は1:3.5 となり現在銀河団ではあまり起こらないII 型が過去に大量に重元素を生成したことを発見した。

Research Products

• [Journal Article] Temperature and Metallicity in the Intra-cluster Medium of ABELl262 observed with Suzaku (2009)
  • Author(s): Kosuke Sato, Kyoko Matsushta, Fabio Gastaldello
  • Journal Title: PASJ 61巻 Pages: 365-376
  • Peer Reviewed
• [Journal Article] Suzaku Observation of Group of Galaxies NGC507; Temperature and Metal Distributions in the Intra-cluster Medium (2009)
  • Author(s): Kosuke Sato, Kyoko Matsushita(他4名, 1番目)
  • Journal Title: PASJ 61巻 Pages: 353-363
  • NAID: 10025603449
  • Peer Reviewed
• [Journal Article] Sazaku Observations of Metallicity Distribution in the Intra-cluster Medium of the NGC5044 group (2009)
  • Author(s): Madoka Komiyama, Kosuke Sato(他3名, 2番目)
  • Journal Title: PASJ 61巻 Pages: 337-352
  • Peer Reviewed
• [Journal Article] X-ray Halo Around the Spiral Galaxy NGC4631 Observed with Suzaku (2009)
  • Author(s): N. Y. Yamasaki, Kosuke Sato(他2名, 2番目)
  • Journal Title: PASJ 61巻
  • NAID: 10025603223
  • Peer Reviewed
• [Journal Article] Development of low temperature SQUID gradiometer arrays for magnetic microcalorimeter (2009)
  • Author(s): Kosuke Sato( 他4名, 1番目)
  • Journal Title: Journal of Low Temperature Physics, 151巻 Pages: 345-350
  • Peer Reviewed
• [Journal Article] Temperature and Metallicity in the Intra-cluster Medium of ABELL 262 observed with Suzaku (2009)
  • Author(s): Kosuke Sato
  • Journal Title: Publications of the Ast ronomical Society of Japan 61 Pages: 365-376
  • NAID: 10025603495
  • Peer Reviewed
• [Journal Article] Suzaku Observation of Group of Galaxies NGC 507 : Temperature and Metal Distributions in the Intra-cluster Medium (2009)
  • Author(s): Kosuke Sato
  • Journal Title: Publications of the Astronomical Society of Japan 61 Pages: 353-363
  • NAID: 10025603449
  • Peer Reviewed
• [Journal Article] Suzaku Observations of Metallicity in the Intra-cluster Medium of the NGC 5044 group (2009)
  • Author(s): Madoka Komiyama
  • Journal Title: Publications of the Astronomical Society of Japan 61 Pages: 337-352
  • Peer Reviewed
• [Journal Article] X-ray Halo Around the Spiral Galaxy NGC 4631 Observed With Suzaku (2009)
  • Author(s): Noriko Y. Yamasaki
  • Journal Title: Publications of the Astronomical Society of Japan 61 Pages: 291-298
  • Peer Reviewed
• [Journal Article] Suzaku Observations of AWM7 Cluster of Galaxies : Temperature, Abndance and Bulk motions, (2008)
  • Author(s): Kosuke Sato(他6名, 1番目)
  • Journal Title: PASJ 60巻 Pages: 317-331
  • Peer Reviewed
• [Journal Article] Suzaku Observation of HCG62 : Temperature, Abundance, and Extended Hard X-ray Emission Profiles (2008)
  • Author(s): Kazuyo Tokoi, Kosuke Sato(他15名, 2番目)
  • Journal Title: PASJ 60巻 Pages: 333-342
  • NAID: 10023956787
  • Peer Reviewed
• [Journal Article] Type Ia and II supernovae contributions to the metal enrichment in intra-cluster medium observed with Suzaku (2008)
  • Author(s): Kosuke Sato(他5名, 1番目)
  • Journal Title: ApJ Letter vol.667 Pages: 333-342
  • Peer Reviewed
• [Journal Article] Development of Low Temperature SQUID Gradiometer Array for Metallic Magnetic Microcalorimeters (2008)
  • Author(s): Kosuke Sato
  • Journal Title: Journal of Low Temperature Physics 151 Pages: 345-350
  • Peer Reviewed
• [Journal Article] Suzaku Observations of AWM 7 Cluster of Galaxies: Temperature, Abundance and Bulk Motions (2008)
  • Author(s): Kosuke Sato
  • Journal Title: Publications of the Astronomical Society of Japan 60 Pages: 333-342
  • NAID: 10023956843
  • Peer Reviewed
• [Journal Article] Suzaku Observation of HCG62: Temperature, Abundance, and Extended Hard X-ray Emissions Profiles (2008)
  • Author(s): Kazuyo Tokoi
  • Journal Title: Publications of the Astronomical Society of Japan 60 Pages: 317-332
  • Peer Reviewed
• [Journal Article] X-ray Study of Temperature of Temperature and Abudance Profiles of the Cluster of Galaxies Abell 1060 with Suzaku (2007)
  • Author(s): Kosuke Sato(他16名. 1番目)
  • Journal Title: PASJ 59巻
  • Peer Reviewed
• [Journal Article] Type Ia and II supernovae contributions to the metal enrichment in intra-cluster medium observed with Suzaku (2007)
  • Author(s): Kosuke Sato
  • Journal Title: Astrophysical Journal Letters 667 Pages: 41-44
  • Peer Reviewed
• [Presentation] すざくで観測されたFossil group NGC1550の重元素分布 (2009)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会春季年会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2009-03-26
• [Presentation] X線カロリメータ動作のための断熱消磁冷凍機の基礎開発(2) (2009)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会春季年会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2009-03-26
• [Presentation] すざくで観測されたFossil group NGC1550の重元素分布 (2009)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会2009年春季年会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2009-03-26
• [Presentation] X線カロ丿メータ動作のための断熱消磁冷凍機の基礎開発(2) (2009)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会2009年春季年会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2009-03-26
• [Presentation] すざくが明らかにした重元素量と分布から探る銀河団の化学進化 (2008)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会秋季年会
  • Place of Presentation: 岡山理科大学
  • Year and Date: 2008-09-13
• [Presentation] すざくが明らかにした重元素量と分布から探る銀河団の化学進化 (2008)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会2008年秋季年会
  • Place of Presentation: 岡山理科大学
  • Year and Date: 2008-09-13
• [Presentation] マグネティックカロリメータ実用化に向けた超伝導量子干渉計の開発 (2008)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会秋季年会
  • Place of Presentation: 岡山理科大学
  • Year and Date: 2008-09-12
• [Presentation] マグネティツクカロリメータ実用化に向けた超伝導量子干渉計の開発 (2008)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会2008年秋季年会
  • Place of Presentation: 岡山理科大学
  • Year and Date: 2008-09-12
• [Presentation] Metallicity in intra-cluster Medium of clusters and groups of galaxies observed with Suzaku (2008)
  • Author(s): Kosuke Sato
  • Organizer: The X-ray Universe
  • Place of Presentation: スペイン・グラナダ
  • Year and Date: 2008-05-28
• [Presentation] Metallicity in intra-cluster medium of clusters and groups of galaxies observed with Suzaku (2008)
  • Author(s): Kosuke Sato
  • Organizer: The X-ray Universe 2008
  • Place of Presentation: スペイン・グラナダ
  • Year and Date: 2008-05-28
• [Presentation] Type Ia and II supernovae contributions to the metal enrichment in intra-cluster medium observed with Suzaku (2007)
  • Author(s): Kosuke Sato
  • Organizer: The Suzaku X-ray Universe
  • Place of Presentation: アメリカ カリフォルニア州サンディエゴ
  • Year and Date: 2007-12-11
• [Presentation] Type Ia and II supernovae contributions to the metal enrichment in intra-cluster medium observed with Suzaku (2007)
  • Author(s): Kosuke Sato
  • Organizer: The 10^<th> International Symposium on Origin of Matter and Evolution of Galaxies- From the Dawn of Universe to the Formation of Solar System-
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-12-06
• [Presentation] Type Ia and II supernovae contributions to the metal enrichment in intra-cluster medium observed with Suzaku (2007)
  • Author(s): Kosuke Sato
  • Organizer: The 10th International Symposium on Origin of Matter and Evolution of Galaxies-From the Dawn of Universe to the Formation of Solar System-
  • Place of Presentation: 北海道 札幌市 北海道大学
  • Year and Date: 2007-12-06
• [Presentation] 「すざく」で観測されたIa/II型超新星爆発による銀河間ガスの重元素への寄与 (2007)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会秋季年会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-26
• [Presentation] 「すざく」衛星で観測された銀河間ガスの重元素分布 (2007)
  • Author(s): 佐藤浩介
  • Organizer: 日本天文学会秋季年会
  • Place of Presentation: 岐阜大学
  • Year and Date: 2007-09-26
• [Presentation] 「すざく」で観測されたIa/II型超新星爆発による銀河間ガスの重元素への寄与 (2007)
  • Author(s): 佐藤 浩介
  • Organizer: 日本天文学会秋季大会
  • Place of Presentation: 岐阜県 岐阜市 岐阜大学
  • Year and Date: 2007-09-26
• [Presentation] 「すざく」衛星で観測された銀河間ガスの重元素分布 (2007)
  • Author(s): 佐藤 浩介
  • Organizer: 日本天文学会秋季大会
  • Place of Presentation: 岐阜県 岐阜市 岐阜大学
  • Year and Date: 2007-09-26
• [Presentation] Development of low temperature SQUID gradiometer arrays for magnetic microcalorimeter (2007)
  • Author(s): Kosuke Sato
  • Organizer: 12^<th>international workshop on Low Temperature Detectors
  • Place of Presentation: フランス・パリ
  • Year and Date: 2007-07-24
• [Presentation] Type Ia and II contributions to the metal enrichment in intra-cluster medium of groups and clusters revealed by Suzaku (2007)
  • Author(s): Kosuke Sato
  • Organizer: Tracing Cosmic Evolution with Clusters of Galaxies
  • Place of Presentation: イタリア・セスト
  • Year and Date: 2007-06-27
• [Presentation] Type Ia and II supernovae contributions to the metal enrichment in intra-cluster medium observed with Suzaku (2007)
  • Author(s): Kosuke Sato
  • Organizer: The Suzaku X-ray Universe
  • Place of Presentation: アメリカ・サンディエゴ