岡部 信広NOBUHIRO OKABE

Last Updated :2020/06/01

所属・職名
大学院先進理工系科学研究科 理学:宇宙・素粒子科学(物理学) 准教授
ホームページ
メールアドレス
okabehiroshima-u.ac.jp

基本情報

学位

  • 修士(理学) (東北大学)
  • 博士(理学) (東北大学)

研究分野

  • 数物系科学 / 天文学 / 天文学

所属学会

  • 日本天文学会

教育活動

授業担当

  1. 2020年, 学部専門, セメスター(後期), 物理数学D
  2. 2020年, 修士課程・博士課程前期, セメスター(前期), 物理科学特別研究
  3. 2020年, 修士課程・博士課程前期, セメスター(後期), 物理科学特別研究
  4. 2020年, 修士課程・博士課程前期, セメスター(前期), 宇宙物理学セミナー
  5. 2020年, 修士課程・博士課程前期, セメスター(後期), 宇宙物理学セミナー
  6. 2020年, 修士課程・博士課程前期, 4ターム, 物理学演習Ⅱ
  7. 2020年, 修士課程・博士課程前期, 3ターム, Introductory course to advanced physics
  8. 2020年, 修士課程・博士課程前期, 2ターム, 相対論的宇宙論
  9. 2020年, 修士課程・博士課程前期, 1ターム, 物理学演習Ⅰ
  10. 2020年, 修士課程・博士課程前期, 2ターム, 物理学演習Ⅰ
  11. 2020年, 修士課程・博士課程前期, 3ターム, 物理学演習Ⅱ
  12. 2020年, 修士課程・博士課程前期, 1ターム, 物理学特別演習A
  13. 2020年, 修士課程・博士課程前期, 2ターム, 物理学特別演習A
  14. 2020年, 修士課程・博士課程前期, 3ターム, 物理学特別演習B
  15. 2020年, 修士課程・博士課程前期, 4ターム, 物理学特別演習B
  16. 2020年, 修士課程・博士課程前期, 年度, 物理学特別研究
  17. 2020年, 博士課程・博士課程後期, 年度, 物理学特別研究

研究活動

学術論文(★は代表的な論文)

  1. XXL Survey groups and clusters in the Hyper Suprime-Cam Survey. Scaling relations between X-ray properties and weak lensing mass, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 492巻, 3号, pp. 4528-4545, 202003
  2. X-ray properties of high-richness CAMIRA clusters in the Hyper Suprime-Cam Subaru Strategic Program field, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 72巻, 1号, 202002
  3. X-ray study of the double source plane gravitational lens system Eye of Horus observed with XMM-Newton, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 491巻, 3号, pp. 3411-3418, 202001
  4. Second data release of the Hyper Suprime-Cam Subaru Strategic Program, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 71巻, 6号, 201912
  5. Free-form GRALE reconstruction of Abell 2744: robustness of uncertainties against changes in lensing data, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 488巻, 3号, pp. 3251-3261, 201909
  6. ★, Halo concentration, galaxy red fraction, and gas properties of optically defined merging clusters, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 71巻, 4号, 201908
  7. Detection of anti-correlation of hot and cold baryons in galaxy clusters, NATURE COMMUNICATIONS, 10巻, 20190702
  8. Weak-lensing Mass Calibration of ACTPol Sunyaev-Zel'dovich Clusters with the Hyper Suprime-Cam Survey, ASTROPHYSICAL JOURNAL, 875巻, 1号, 20190410
  9. LoCuSS: scaling relations between galaxy cluster mass, gas, and stellar content, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 484巻, 1号, pp. 60-80, 201903
  10. The Galaxy Cluster Mass Scale and Its Impact on Cosmological Constraints from the Cluster Population, SPACE SCIENCE REVIEWS, 215巻, 2号, 201902
  11. Halo Concentrations and the Fundamental Plane of Galaxy Clusters, GALAXIES, 7巻, 1号, 20190102
  12. The Physics of Galaxy Cluster Outskirts, SPACE SCIENCE REVIEWS, 215巻, 1号, 201901
  13. Origins of ultradiffuse galaxies in the Coma cluster - II. Constraints from their stellar populations, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 479巻, 4号, pp. 4891-4906, 201810
  14. Origins of ultradiffuse galaxies in the Coma cluster - I. Constraints from velocity phase space, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 479巻, 3号, pp. 3308-3318, 201809
  15. A New Interpretation of the Mass-Temperature Relation and Mass Calibration of Galaxy Clusters Based on the Fundamental Plane, ASTROPHYSICAL JOURNAL, 863巻, 1号, 20180810
  16. Inside a Beehive: The Multiple Merging Processes in the Galaxy Cluster Abell 2142, ASTROPHYSICAL JOURNAL, 863巻, 1号, 20180810
  17. LoCuSS: The infall of X-ray groups on to massive clusters, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 477巻, 4号, pp. 4931-4950, 201807
  18. ATCA 16 cm observation of CIZA J1358.9-4750: Implication of merger stage and constraint on non-thermal properties, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 3号, 201806
  19. Discovery of a New Fundamental Plane Dictating Galaxy Cluster Evolution from Gravitational Lensing, ASTROPHYSICAL JOURNAL, 857巻, 2号, 20180420
  20. Source selection for cluster weak lensing measurements in the Hyper Suprime-Cam survey, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 2号, 201803
  21. SDSS-IV MaNGA: Uncovering the Angular Momentum Content of Central and Satellite Early-type Galaxies, ASTROPHYSICAL JOURNAL, 852巻, 1号, 20180101
  22. The Hyper Suprime-Cam SSP Survey: Overview and survey design, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 201801
  23. First data release of the Hyper Suprime-Cam Subaru Strategic Program, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 2018
  24. An optically-selected cluster catalog at redshift 0.1 < z < 1.1 from the Hyper Suprime-Cam Subaru Strategic Program S16A data, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 2018
  25. Multiwavelength study of X-ray luminous clusters in the Hyper Suprime-Cam Subaru Strategic Program S16A field, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 2018
  26. The first-year shear catalog of the Subaru Hyper Suprime-Cam Subaru Strategic Program Survey, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 2018
  27. Two- and three-dimensional wide-field weak lensing mass maps from the Hyper Suprime-Cam Subaru Strategic Program S16A data, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 2018
  28. A large sample of shear-selected clusters from the Hyper Suprime-Cam Subaru Strategic Program S16A Wide field mass maps, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 2018
  29. SDSS-IV MaNGA: Probing the Kinematic Morphology-Density Relation of Early-type Galaxies with MaNGA, ASTROPHYSICAL JOURNAL LETTERS, 851巻, 2号, 20171220
  30. The XXL survey: First results and future, ASTRONOMISCHE NACHRICHTEN, 338巻, 2-3号, pp. 334-341, 2017
  31. Galaxy cluster luminosities and colours, and their dependence on cluster mass and merger state, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 472巻, 3号, pp. 3246-3255, 2017
  32. LoCuSS: exploring the selection of faint blue background galaxies for cluster weak-lensing, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 463巻, 4号, pp. 4004-4018, 201612
  33. ★, LoCuSS: weak-lensing mass calibration of galaxy clusters, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 461巻, 4号, pp. 3794-3821, 20161001
  34. X-ray observations of a subhalo associated with the NGC 4839 group infalling toward the Coma cluster, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 68巻, 5号, 201610
  35. BUDHIES - III: the fate of HI and the quenching of galaxies in evolving environments, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 461巻, 2号, pp. 1202-1221, 20160911
  36. Central mass profiles of the nearby cool-core galaxy clusters Hydra A and A478, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 456巻, 4号, pp. 4475-4487, 20160311
  37. LoCuSS: Testing hydrostatic equilibrium in galaxy clusters, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 456巻, 1号, pp. L74-L78, 20160211
  38. FRONTIER FIELDS: SUBARU WEAK-LENSING ANALYSIS OF THE MERGING GALAXY CLUSTER A2744, ASTROPHYSICAL JOURNAL, 817巻, 1号, 20160120
  39. LoCuSS: exploring the selection of faint blue background galaxies for cluster weak-lensing, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 463巻, 4号, pp. 4004-4018, 2016
  40. Detection of universality of dark matter profile from Subaru weak lensing measurements of 50 massive clusters, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 67巻, 6号, 201512
  41. Radio relics tracing the projected mass distribution in CIZA J2242.8+5301, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 67巻, 6号, 201512
  42. Testing a generalized cubic Galileon gravity model with the Coma Cluster, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 10号, 201510
  43. THREE-DIMENSIONAL MULTI-PROBE ANALYSIS OF THE GALAXY CLUSTER A1689, ASTROPHYSICAL JOURNAL, 806巻, 2号, 20150620
  44. LoCuSS: THE SLOW QUENCHING OF STAR FORMATION IN CLUSTER GALAXIES AND THE NEED FOR PRE-PROCESSING, ASTROPHYSICAL JOURNAL, 806巻, 1号, 20150610
  45. SUZAKU OBSERVATIONS OF SUBHALOS IN THE COMA CLUSTER, ASTROPHYSICAL JOURNAL, 806巻, 1号, 2015
  46. Shapley Supercluster Survey: Galaxy evolution from filaments to cluster cores, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 446巻, 1号, pp. 803-822, 2015
  47. Can we use weak lensing to measure total mass profiles of galaxies on 20 kpc scales?, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 449巻, 2号, pp. 2128-2143, 2015
  48. ★, Universal profiles of the intracluster medium from Suzaku X-ray and Subaru weak-lensing observations, Publications of the Astronomical Society of Japan, 66巻, 5号, 20140101
  49. LoCuSS: the near-infrared luminosity and weak-lensing mass scaling relation of galaxy clusters, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 443巻, 4号, pp. 3309-3317, 2014
  50. ★, SUBARU WEAK-LENSING SURVEY OF DARK MATTER SUBHALOS IN THE COMA CLUSTER: SUBHALO MASS FUNCTION AND STATISTICAL PROPERTIES, ASTROPHYSICAL JOURNAL, 784巻, 2号, 2014
  51. Star formation in the massive cluster merger Abell 2744, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 442巻, 1号, pp. 196-206, 2014
  52. LoCuSS: hydrostatic mass measurements of the high-LX cluster sample - cross-calibration of Chandra and XMM-Newton, Monthly Notices of the Royal Astronomical Society, 443巻, 3号, pp. 2342-2360-2342-2360, 2014
  53. SUZAKU OBSERVATIONS OF THE OUTSKIRTS OF A1835: DEVIATION FROM HYDROSTATIC EQUILIBRIUM, ASTROPHYSICAL JOURNAL, 766巻, 2号, 2013
  54. LoCuSS: THE MASS DENSITY PROFILE OF MASSIVE GALAXY CLUSTERS AT z=0.2, ASTROPHYSICAL JOURNAL LETTERS, 769巻, 2号, 2013
  55. Discovery of an Outstanding Disk in the cD Galaxy of the Hydra A Cluster, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 65巻, 6号, 2013
  56. Suzaku Observations of the Hydra A Cluster out to the Virial Radius, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 64巻, 5号, 2012
  57. LoCuSS: THE SUNYAEV-ZEL'DOVICH EFFECT AND WEAK-LENSING MASS SCALING RELATION, ASTROPHYSICAL JOURNAL, 754巻, 2号, 2012
  58. LoCuSS: A Dynamical Analysis of X-Ray Active Galactic Nuclei in Local Clusters, Astrophysical Journal, 754巻, 2号, pp. id. 97, 2012
  59. A bright z = 5.2 lensed submillimeter galaxy in the field of Abell 773. HLSJ091828.6+514223, Astronomy & Astrophysics, 538巻, pp. id.L4, 2012
  60. LoCuSS: comparison of observed X-ray and lensing galaxy cluster scaling relations with simulations (vol 482, pg 451, 2008), ASTRONOMY & ASTROPHYSICS, 527巻, 2011
  61. Suzaku X-Ray Follow-Up Observation of Weak-Lensing-Detected Halos in the Field around ZwCl 0823.2+0425, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 63巻, 2号, pp. 357-366, 2011
  62. Creation of cosmic structure in the complex galaxy cluster merger Abell 2744, Monthly Notices of the Royal Astronomical Societ, 417巻, pp. 333-347, 2011
  63. Subaru weak-lensing study of A2163: bimodal mass structure, 741巻, 2号, pp. 116, 2011
  64. ★, LoCuSS : Subaru Weak Lensing Study of 30 Galaxy Clusters, PASJ : publications of the Astronomical Society of Japan, 62巻, 3号, pp. 811-870, 20100625
  65. The Mass Structure of the Galaxy Cluster Cl0024+1654 from a Full Lensing Analysis of Joint Subaru and ACS/NIC3 Observations, Astrophysical Journal, 714巻, 2号, pp. 1470-1496-1470-1496, 201005
  66. SUZAKU OBSERVATION OF A1689: ANISOTROPIC TEMPERATURE AND ENTROPY DISTRIBUTIONS ASSOCIATED WITH THE LARGE-SCALE STRUCTURE, ASTROPHYSICAL JOURNAL, 714巻, 1号, pp. 423-441, 2010
  67. LoCuSS: A COMPARISON OF CLUSTER MASS MEASUREMENTS FROM XMM-NEWTON AND SUBARU-TESTING DEVIATION FROM HYDROSTATIC EQUILIBRIUM AND NON-THERMAL PRESSURE SUPPORT, ASTROPHYSICAL JOURNAL, 711巻, 2号, pp. 1033-1043, 2010
  68. WEAK-LENSING MASS MEASUREMENTS OF SUBSTRUCTURES IN COMA CLUSTER WITH SUBARU/SUPRIME-CAM, ASTROPHYSICAL JOURNAL, 713巻, 1号, pp. 291-303, 2010
  69. Direct measurement of dark matter halo ellipticity from two-dimensional lensing shear maps of 25 massive clusters, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 405巻, 4号, pp. 2215-2230, 2010
  70. LoCuSS: Probing galaxy transformation physics with Herschel, ASTRONOMY & ASTROPHYSICS, 518巻, 2010
  71. LoCuSS: CALIBRATING MASS-OBSERVABLE SCALING RELATIONS FOR CLUSTER COSMOLOGY WITH SUBARU WEAK-LENSING OBSERVATIONS, ASTROPHYSICAL JOURNAL, 721巻, 1号, pp. 875-885, 2010
  72. LoCuSS: A Herschel view of obscured star formation in Abell 1835, Astronomy and Astrophysics, 518巻, pp. L40, 2010
  73. LoCuSS: luminous infrared galaxies in the merging cluster Abell 1758 at z=0.28, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 396巻, 3号, pp. 1297-1307, 2009
  74. Suzaku Observation of the Ophiuchus Galaxy Cluster : One of the Hottest Cool Core Clusters, PASJ : publications of the Astronomical Society of Japan, 60巻, 5号, pp. 1133-1142, 20081025
  75. ★, Subaru Weak Lensing Study of Seven Merging Clusters : Distributions of Mass and Baryons, PASJ : publications of the Astronomical Society of Japan, 60巻, 2号, pp. 345-375, 20080425
  76. High Metallicity of the X-Ray Gas Up to the Virial Radius of a Binary Cluster of Galaxies : Evidence of Galactic Superwinds at High-Redshift, PASJ : publications of the Astronomical Society of Japan, 60巻, 1号, pp. S343-S349, 20080220
  77. LoCuSS: Comparison of observed X-ray and lensing galaxy cluster scaling relations with simulations, ASTRONOMY & ASTROPHYSICS, 482巻, 2号, pp. 451-U51, 2008
  78. Magnetic field generation by the Weibel instability at temperature gradients in collisionless plasmas, Phys. Plasmas, 13巻, 12号, pp. 122901-122901-6-122901-122901-6, 2006
  79. A direct method for measuring heat conductivity in intracluster medium, ASTROPHYSICAL JOURNAL, 625巻, 2号, pp. 741-747, 2005
  80. Spontaneous generation of the magnetic field and suppression of the heat conduction in cold fronts, ASTROPHYSICAL JOURNAL, 599巻, 2号, pp. 964-970, 2003

著書等出版物

  1. 2019年10月17日, Clusters of Galaxies: Physics and Cosmology (Space Sciences Series of ISSI), 単行本(学術書), 共著, English, 978-9402417333

受賞

  1. 2013年, 欧文研究報告論文賞, 日本天文学会, LoCuSS: Subaru Weak Lensing Study of 30 Galaxy Clusters
  2. 2017年11月04日, Phoenix Outstanding Researcher Award, 広島大学

社会活動

その他社会貢献活動(広大・部局主催含)

  1. 広島大学 高大連携公開講座「宇宙に存在する物質の起源」, 星以外の天体の元素組成比の観測, 2015年/07月/24日, 2015年/07月/24日, 広島大学, 講師, 講演会, 高校生
  2. 「一般相対性理論誕生100年記念市民講演会」, “アインシュタインと重力レンズとすばる望遠鏡”, 2015年/11月/07日, 2015年/11月/07日, 出演, 講演会, 社会人・一般
  3. 「重力波初検出セミナー」, ”重力波初検出について”, 広島大学、宇宙研究拠点, 2016年/02月/22日, 2016年/02月/22日, 出演, 講演会, 社会人・一般
  4. オープンキャンパス, 重力波初検出について, 2016年/08月/16日, 2016年/08月/16日, 広島大学, 講師, 講演会, 社会人・一般
  5. 広島大学 高大連携公開講座 「最先端の宇宙の観測方法」, 重力レンズによる観測, 2016年/07月/29日, 2016年/07月/29日, 講師, 講演会, 高校生
  6. 未来博士3分間 コンペティション2016, 最新天文学が明らかにする”ダーク”な宇宙, 2016年/09月/09日, 2016年/09月/09日, 出演, 講演会, 大学院生
  7. すばる望遠鏡×広島大学 公開レクチャー, "ダーク”な宇宙にGO, 2016年/11月/17日, 2016年/11月/17日, 講師, 講演会, 社会人・一般
  8. 広島大学 高大連携公開講座,「相対性理論と宇宙」, 重力レンズ効果による暗黒物質分布の観測, 2017年/07月/28日, 2017年/07月/28日, 講師, 講演会, 高校生
  9. オープンキャンパス, ”ダーク”な宇宙にGO, 2017年/08月/17日, 2017年/08月/17日, 広島大学, 講師, 講演会, 高校生
  10. 緊急解説:ブラックホール直接撮像, 2019年/04月/18日, 2019年/04月/18日, 講師, 講演会, 社会人・一般
  11. Extensive Program, ダークマターとダークエネルギーがつくる宇宙, 広島女学院中学高等学校, 2019年/10月/23日, 2019年/10月/23日, 講師, 出前授業, 高校生
  12. 2019年ノーベル賞解説セミナー, 精密宇宙論と広島大学, 広島大学附属理学融合教育研究センター, 2019年/12月/15日, 広島大学東千田, 講師, 講演会, 社会人・一般
  13. ノーベル賞解説セミナー, 精密宇宙論と広島大学, 広島大学附属理学融合教育研究センター, 2019年/12月/11日, 広島大学東広島キャンパス, 講師, 講演会, 社会人・一般

学術雑誌論文査読歴

  1. 2017年, 天文月報, 編集員
  2. 2018年, 天文月報, 編集員
  3. 2019年, 天文月報, 編集員
  4. 2020年, 天文月報, 編集員