岡部 信広NOBUHIRO OKABE

Last Updated :2019/11/01

所属・職名
大学院理学研究科宇宙・素粒子科学講座助教
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. 2019年, 学部専門, セメスター(前期), 電磁気学演習
  2. 2019年, 修士課程・博士課程前期, セメスター(後期), 理学融合基礎概論B
  3. 2019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
  4. 2019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
  5. 2019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
  6. 2019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
  7. 2019年, 修士課程・博士課程前期, セメスター(前期), 先端物理科学概論

研究活動

学術論文(★は代表的な論文)

  1. The Physics of Galaxy Cluster Outskirts, SPACE SCIENCE REVIEWS, 215巻, 1号, 201901
  2. The Galaxy Cluster Mass Scale and Its Impact on Cosmological Constraints from the Cluster Population, SPACE SCIENCE REVIEWS, 215巻, 2号, 201902
  3. 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
  4. Halo Concentrations and the Fundamental Plane of Galaxy Clusters, GALAXIES, 7巻, 1号, 20190102
  5. Weak-lensing Mass Calibration of ACTPol Sunyaev-Zel'dovich Clusters with the Hyper Suprime-Cam Survey, ASTROPHYSICAL JOURNAL, 875巻, 1号, 20190410
  6. SDSS-IV MaNGA: Uncovering the Angular Momentum Content of Central and Satellite Early-type Galaxies, ASTROPHYSICAL JOURNAL, 852巻, 1号, 20180101
  7. First data release of the Hyper Suprime-Cam Subaru Strategic Program, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 2018
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. The Hyper Suprime-Cam SSP Survey: Overview and survey design, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 70巻, 201801
  14. Discovery of a New Fundamental Plane Dictating Galaxy Cluster Evolution from Gravitational Lensing, ASTROPHYSICAL JOURNAL, 857巻, 2号, 20180420
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. Inside a Beehive: The Multiple Merging Processes in the Galaxy Cluster Abell 2142, ASTROPHYSICAL JOURNAL, 863巻, 1号, 20180810
  21. 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
  22. SDSS-IV MaNGA: Probing the Kinematic Morphology-Density Relation of Early-type Galaxies with MaNGA, ASTROPHYSICAL JOURNAL LETTERS, 851巻, 2号, 20171220
  23. The XXL survey: First results and future, ASTRONOMISCHE NACHRICHTEN, 338巻, 2-3号, pp. 334-341, 2017
  24. 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
  25. 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
  26. 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
  27. ★, LoCuSS: weak-lensing mass calibration of galaxy clusters, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 461巻, 4号, pp. 3794-3821, 20161001
  28. 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
  29. FRONTIER FIELDS: SUBARU WEAK-LENSING ANALYSIS OF THE MERGING GALAXY CLUSTER A2744, ASTROPHYSICAL JOURNAL, 817巻, 1号, 20160120
  30. LoCuSS: Testing hydrostatic equilibrium in galaxy clusters, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 456巻, 1号, pp. L74-L78, 20160211
  31. 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
  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, 2016
  33. Testing a generalized cubic Galileon gravity model with the Coma Cluster, JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 10号, 201510
  34. THREE-DIMENSIONAL MULTI-PROBE ANALYSIS OF THE GALAXY CLUSTER A1689, ASTROPHYSICAL JOURNAL, 806巻, 2号, 20150620
  35. LoCuSS: THE SLOW QUENCHING OF STAR FORMATION IN CLUSTER GALAXIES AND THE NEED FOR PRE-PROCESSING, ASTROPHYSICAL JOURNAL, 806巻, 1号, 20150610
  36. 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
  37. Radio relics tracing the projected mass distribution in CIZA J2242.8+5301, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 67巻, 6号, 201512
  38. SUZAKU OBSERVATIONS OF SUBHALOS IN THE COMA CLUSTER, ASTROPHYSICAL JOURNAL, 806巻, 1号, 2015
  39. 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
  40. 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
  41. ★, 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
  42. 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
  43. ★, 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
  44. Star formation in the massive cluster merger Abell 2744, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 442巻, 1号, pp. 196-206, 2014
  45. SUZAKU OBSERVATIONS OF THE OUTSKIRTS OF A1835: DEVIATION FROM HYDROSTATIC EQUILIBRIUM, ASTROPHYSICAL JOURNAL, 766巻, 2号, 2013
  46. LoCuSS: THE MASS DENSITY PROFILE OF MASSIVE GALAXY CLUSTERS AT z=0.2, ASTROPHYSICAL JOURNAL LETTERS, 769巻, 2号, 2013
  47. 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
  48. Suzaku Observations of the Hydra A Cluster out to the Virial Radius, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 64巻, 5号, 2012
  49. LoCuSS: THE SUNYAEV-ZEL'DOVICH EFFECT AND WEAK-LENSING MASS SCALING RELATION, ASTROPHYSICAL JOURNAL, 754巻, 2号, 2012
  50. LoCuSS: A Dynamical Analysis of X-Ray Active Galactic Nuclei in Local Clusters, Astrophysical Journal, 754巻, 2号, pp. id. 97, 2012
  51. LoCuSS: comparison of observed X-ray and lensing galaxy cluster scaling relations with simulations (vol 482, pg 451, 2008), ASTRONOMY & ASTROPHYSICS, 527巻, 2011
  52. 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
  53. 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
  54. Subaru weak-lensing study of A2163: bimodal mass structure, 741巻, 2号, pp. 116, 2011
  55. ★, 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
  56. 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
  57. 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
  58. 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
  59. WEAK-LENSING MASS MEASUREMENTS OF SUBSTRUCTURES IN COMA CLUSTER WITH SUBARU/SUPRIME-CAM, ASTROPHYSICAL JOURNAL, 713巻, 1号, pp. 291-303, 2010
  60. 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
  61. LoCuSS: Probing galaxy transformation physics with Herschel, ASTRONOMY & ASTROPHYSICS, 518巻, 2010
  62. LoCuSS: CALIBRATING MASS-OBSERVABLE SCALING RELATIONS FOR CLUSTER COSMOLOGY WITH SUBARU WEAK-LENSING OBSERVATIONS, ASTROPHYSICAL JOURNAL, 721巻, 1号, pp. 875-885, 2010
  63. LoCuSS: A Herschel view of obscured star formation in Abell 1835, Astronomy and Astrophysics, 518巻, pp. L40, 2010
  64. 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
  65. 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
  66. ★, 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
  67. 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
  68. LoCuSS: Comparison of observed X-ray and lensing galaxy cluster scaling relations with simulations, ASTRONOMY & ASTROPHYSICS, 482巻, 2号, pp. 451-U51, 2008
  69. 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
  70. A direct method for measuring heat conductivity in intracluster medium, ASTROPHYSICAL JOURNAL, 625巻, 2号, pp. 741-747, 2005
  71. 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
  72. 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
  73. 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

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

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