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The properties and role of low-mass galaxies at the peak epoch of galaxy growth

Research Project

Project/Area Number 23244022
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Astronomy
Research InstitutionThe University of Tokyo

Principal Investigator

SHIMASAKU Kazuhiro  東京大学, 理学(系)研究科(研究院), 准教授 (00251405)

Project Period (FY) 2011-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywordsgalaxies / optical observations / 銀河 / 光赤外線観測
Outline of Final Research Achievements

The aim of this study was to obtain a comprehensive picture of low-mass galaxies at redshift ~ 2, the peak epoch of galaxy growth, based on a large sample of 10,000 galaxies detected by Subaru's next generation wide-field camera Hyper Suprime-Cam (HSC) through the new narrow-band filter NB387 which is manufactured by this fund. The filter has been delivered, but due to the delay of the installation of the camera, the observation has also been delayed. Instead, I used an existing smaller sample to study several properties of z~2 low-mass galaxies including star formation activities, dust extinction, outflow, and the origin of strong Ly alpha emission. More detailed studies will be done using coming HSC data.

Report

(5 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Annual Research Report
  • 2012 Annual Research Report
  • 2011 Annual Research Report
  • Research Products

    (38 results)

All 2015 2014 2013 2012 2011

All Journal Article (24 results) (of which Peer Reviewed: 24 results,  Acknowledgement Compliant: 1 results) Presentation (14 results) (of which Invited: 2 results)

  • [Journal Article] First Infrared-Based Implications for the Dust Attenuation and Star Formation of Typical Lyα Emitters2015

    • Author(s)
      Kusakabe, H. et al.
    • Journal Title

      The Astrophysical Journal Letters

      Volume: 800 Issue: 2 Pages: L29-L29

    • DOI

      10.1088/2041-8205/800/2/l29

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] What is the Physical Origin of Strong Lyα Emission? I. Demographics of Lyα Emitter Structures2014

    • Author(s)
      T. Shibuya, M. Ouchi, K. Nakajima, et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 785 Issue: 1 Pages: 64-64

    • DOI

      10.1088/0004-637x/785/1/64

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] What is the Physical Origin of Strong Lyalpha Emission? II. Gas Kinematics and Distribution of Lyalpha Emitters2014

    • Author(s)
      Shibuya, Ouchi,.. Yuma, et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 788 Issue: 1 Pages: 74-87

    • DOI

      10.1088/0004-637x/788/1/74

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Diffuse Lyα haloes around galaxies at z = 2.2-6.6: implications for galaxy formation and cosmic reionization2014

    • Author(s)
      Momose, R. et al.
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 442 Issue: 1 Pages: 110-120

    • DOI

      10.1093/mnras/stu825

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] "Direct" Gas-phase Metallicities, Stellar Properties, and Local Environments of Emission-line Galaxies at Redshifts below 0.902014

    • Author(s)
      Ly, C. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 780 Issue: 2 Pages: 122-149

    • DOI

      10.1088/0004-637x/780/2/122

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] First Spectroscopic Evidence for High Ionization State and Low Oxygen Abundance in Lyα Emitters2013

    • Author(s)
      Nakajima, K. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 769 Issue: 1 Pages: 3-20

    • DOI

      10.1088/0004-637x/769/1/3

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Physical Properties of Spectroscopically Confirmed Galaxies at z >= 6. I. Basic Characteristics of the Rest-frame UV Continuum and Lyα Emission2013

    • Author(s)
      Jiang, L. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 772 Issue: 2 Pages: 99-118

    • DOI

      10.1088/0004-637x/772/2/99

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Physical Properties of Spectroscopically Confirmed Galaxies at z >= 6. II. Morphology of the Rest-frame UV Continuum and Lyα Emission2013

    • Author(s)
      Jiang, L. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 772 Issue: 2 Pages: 153-166

    • DOI

      10.1088/0004-637x/773/2/153

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evolution of the Sizes of Galaxies over 7 < z < 12 Revealed by the 2012 Hubble Ultra Deep Field Campaign2013

    • Author(s)
      Ono, Y. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 777 Issue: 2 Pages: 155-167

    • DOI

      10.1088/0004-637x/777/2/155

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] An Intensely Star-forming Galaxy at z ~ 7 with Low Dust and Metal Content Revealed by Deep ALMA and HST Observations2013

    • Author(s)
      Ouchi, M. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 778 Issue: 2 Pages: 102-113

    • DOI

      10.1088/0004-637x/778/2/102

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] First Systematic Search for Oxygen-line Blobs at High Redshift : Uncove ring AGN Feedback and Star Formation Quenching2013

    • Author(s)
      Suraphong Yuma, Masami Ouchi, et al.
    • Journal Title

      Astrophysical Journal

      Volume: 779 Issue: 1 Pages: 53-65

    • DOI

      10.1088/0004-637x/779/1/53

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Gas Motion Study of Ly alpha Emitters at z ~ 2 Using FUV and Optical Spectral Lines2013

    • Author(s)
      Hashimoto, T. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 765 Issue: 1 Pages: 70-84

    • DOI

      10.1088/0004-637x/765/1/70

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Discovery of a Protocluster at z ~ 62012

    • Author(s)
      Toshikawa, J. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 750 Issue: 2 Pages: 137-148

    • DOI

      10.1088/0004-637x/750/2/137

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The First Systematic Survey for Lyman Alpha Emitters at z=7.3 with Red・sensitive Subaru/Suprime-Cam2012

    • Author(s)
      澁谷 隆俊
    • Journal Title

      The Astrophysical Journal, 受理,掲載

      Volume: 752 Issue: 2 Pages: 114-124

    • DOI

      10.1088/0004-637x/752/2/114

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The Stellar Population and Star Formation Rates of z = 1.5-1.6 [O II]-emitting Galaxies Selected from Narrowband Emission-line Surveys2012

    • Author(s)
      Ly, C. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 757 Issue: 1 Pages: 63-76

    • DOI

      10.1088/0004-637x/757/1/63

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Ly alpha Emitter with an Extremely Large Rest-frame Equivalent Width of ~ 900 A at z = 6.5: A Candidate Population III-dominated Galaxy?2012

    • Author(s)
      Kashikawa, N. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 761 Issue: 2 Pages: 85-94

    • DOI

      10.1088/0004-637x/761/2/85

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spectroscopic Confirmation of Three z-Dropout Galaxies at z=6.844-7.213 : Demographics of Lyman-Alpha Emission in Galaxies at z~72012

    • Author(s)
      Ono, Y., Ouchi, M., et al
    • Journal Title

      The Astrophysical Journal

      Volume: 744 Issue: 2 Pages: 83-95

    • DOI

      10.1088/0004-637x/744/2/83

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Average Metallicity and Star Formation Rate of Ly alpha Emitters Probed by a Triple Narrowband Survey2012

    • Author(s)
      Nakajima, K. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 745 Issue: 1 Pages: 12-30

    • DOI

      10.1088/0004-637x/745/1/12

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Dust attenuation and HαStar Formation Rates of z~ 0.5 Galaxies2012

    • Author(s)
      Ly, C., Malkan, M. A., Kashikawa, N., 他
    • Journal Title

      ApJ

      Volume: 747 Issue: 1 Pages: 16-22

    • DOI

      10.1088/2041-8205/747/1/l16

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Red Star Forming Galaxies and Their Environment at z=0.4 Revealed by Panoramic H α Imaging2011

    • Author(s)
      Y.Koyama, et al
    • Journal Title

      The Astrophysical Journal

      Volume: 734 Issue: 1 Pages: 66-78

    • DOI

      10.1088/0004-637x/734/1/66

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Completing the Census of Ly-alpha Emitters at the Reionization Epoch2011

    • Author(s)
      柏川伸成
    • Journal Title

      The Astrophysical Journal

      Volume: 734 Issue: 2 Pages: 119-137

    • DOI

      10.1088/0004-637x/734/2/119

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Census of Star-forming Galaxies at z = 1-3 in the Subaru Deep Field2011

    • Author(s)
      Ly, C. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 735 Issue: 2 Pages: 91-115

    • DOI

      10.1088/0004-637x/735/2/91

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Detection of an ultra-bright submillimeter galaxy in the Subaru/XMM- Newton Deep Field using AzTEC/ASTE2011

    • Author(s)
      Ikarashi, S., Kohno, K., and 31 coauthors
    • Journal Title

      MNRAS

      Volume: 415 Issue: 4 Pages: 3081-3096

    • DOI

      10.1111/j.1365-2966.2011.18918.x

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Keck Spectroscopy of Lyman-break Galaxies and Its Implications for the UV-continuum and Ly alpha Luminosity Functions at z > 62011

    • Author(s)
      Jiang, L. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 743 Issue: 1 Pages: 65-74

    • DOI

      10.1088/0004-637x/743/1/65

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Presentation] z~2のLymanα輝線銀河(LAEs)のダスト放射の性質とその応用2014

    • Author(s)
      日下部晴香ほか
    • Organizer
      日本天文学会
    • Place of Presentation
      山形大学
    • Year and Date
      2014-09-13
    • Related Report
      2014 Annual Research Report
  • [Presentation] Close Comparison between Observed and Modeled Lyα Lines2014

    • Author(s)
      橋本拓也ほか
    • Organizer
      日本天文学会
    • Place of Presentation
      山形大学
    • Year and Date
      2014-09-13
    • Related Report
      2014 Annual Research Report
  • [Presentation] Clustering of High-z Galaxies Based on HSC SSP Data2014

    • Author(s)
      Shimasaku, K.
    • Organizer
      Quasar science with HSC: Toward the first results
    • Place of Presentation
      ACADEMIA SINICA, Institute of Astronomy and Astrophysics (ASIAA), Taiwan
    • Related Report
      2013 Annual Research Report
  • [Presentation] Average Metallicity and Star Formation Rate of Ly alpha Emitters Probed by a Triple Narrowband Survey2012

    • Author(s)
      Nakajima, K. et al.
    • Organizer
      American Astronomical Society Meeting
    • Place of Presentation
      Anchorage, USA
    • Related Report
      2012 Annual Research Report
  • [Presentation] Can Gas Outflows Explain The Strong Ly alpha Emission Of Lyman Alpha Emitters?2012

    • Author(s)
      Hashimoto, T. et al.
    • Organizer
      American Astronomical Society Meeting
    • Place of Presentation
      Anchorage, USA
    • Related Report
      2012 Annual Research Report
  • [Presentation] Spectroscopic Confirmation of Three z-Dropout Galaxies at z = 6.844-7.213: Demographics of Ly alpha Emission in z ∼ 7 Galaxies2012

    • Author(s)
      Ono, Y. et al.
    • Organizer
      American Astronomical Society Meeting
    • Place of Presentation
      Anchorage, USA
    • Related Report
      2012 Annual Research Report
  • [Presentation] The Nature of Lyman alpha Emitters2012

    • Author(s)
      Shimasaku, K.
    • Organizer
      Korea-Japan Collaboration Workshop
    • Place of Presentation
      Seoul, Korea
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] 宇宙再電離と銀河の早期進化2012

    • Author(s)
      嶋作一大
    • Organizer
      ガンマ線バーストで読み解く太古の宇宙
    • Place of Presentation
      東京工業大学
    • Related Report
      2011 Annual Research Report
    • Invited
  • [Presentation] Spectroscopic Identification of 3 z-Dropout Galaxies at z=6.84-7.21: Spectroscopic Demography of z ~ 7 Galaxies2011

    • Author(s)
      小野宜昭ほか
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2011 Annual Research Report
  • [Presentation] Average Metallicity and Star Formation Rate of Ly alpha Emitters Probed by a Triple Narrow-Band Survey2011

    • Author(s)
      中島王彦ほか
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2011 Annual Research Report
  • [Presentation] z=2.2 Ly alpha Emitters の近赤外分光 1: 複数輝線に基づく星形成率と金属量の測定2011

    • Author(s)
      中島王彦ほか
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2011 Annual Research Report
  • [Presentation] z = 5.7 原始銀河団研究2011

    • Author(s)
      篠木新吾ほか
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2011 Annual Research Report
  • [Presentation] z=2.2 Ly alpha Emitters の近赤外分光 2: 輝線を用いたガス運動の考察2011

    • Author(s)
      橋本拓也ほか
    • Organizer
      日本天文学会秋季年会
    • Place of Presentation
      鹿児島大学
    • Related Report
      2011 Annual Research Report
  • [Presentation] Ultra-Deep Spectroscopy of z-Dropout Galaxies at z ~ 7: Probing Reionization Epoch by the Redshift Evolution of Lyman Alpha Emitter Fraction2011

    • Author(s)
      Ono, Y. et al.
    • Organizer
      New Horizons for High Redshifts
    • Place of Presentation
      Cambridge University, UK
    • Related Report
      2011 Annual Research Report

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Published: 2013-05-15   Modified: 2019-07-29  

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