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  1. B100 理学部/理学研究科
  2. B100a 雑誌掲載論文
  3. 学術雑誌

The FMOS-COSMOS Survey of Star-forming Galaxies at Z ~ 1.6. V: Properties of Dark Matter Halos Containing Hα Emitting Galaxies

http://hdl.handle.net/2237/27029
http://hdl.handle.net/2237/27029
58eb6d6d-a312-4a70-8b7b-1478c84c35eb
名前 / ファイル ライセンス アクション
pdf.pdf pdf.pdf (2.7 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-10-11
タイトル
タイトル The FMOS-COSMOS Survey of Star-forming Galaxies at Z ~ 1.6. V: Properties of Dark Matter Halos Containing Hα Emitting Galaxies
言語 en
著者 Kashino, Daichi

× Kashino, Daichi

WEKO 73771

en Kashino, Daichi

Search repository
More, Surhud

× More, Surhud

WEKO 73772

en More, Surhud

Search repository
Silverman, John D.

× Silverman, John D.

WEKO 73773

en Silverman, John D.

Search repository
Daddi, Emanuele

× Daddi, Emanuele

WEKO 73774

en Daddi, Emanuele

Search repository
Renzini, Alvio

× Renzini, Alvio

WEKO 73775

en Renzini, Alvio

Search repository
Sanders, David B.

× Sanders, David B.

WEKO 73776

en Sanders, David B.

Search repository
Rodighiero, Giulia

× Rodighiero, Giulia

WEKO 73777

en Rodighiero, Giulia

Search repository
Puglisi, Annagrazia

× Puglisi, Annagrazia

WEKO 73778

en Puglisi, Annagrazia

Search repository
Kajisawa, Masaru

× Kajisawa, Masaru

WEKO 73779

en Kajisawa, Masaru

Search repository
Valentino, Francesco

× Valentino, Francesco

WEKO 73780

en Valentino, Francesco

Search repository
Kartaltepe, Jeyhan S.

× Kartaltepe, Jeyhan S.

WEKO 73781

en Kartaltepe, Jeyhan S.

Search repository
Fèvre, Olivier Le

× Fèvre, Olivier Le

WEKO 73782

en Fèvre, Olivier Le

Search repository
Nagao, Tohru

× Nagao, Tohru

WEKO 73783

en Nagao, Tohru

Search repository
Arimoto, Nobuo

× Arimoto, Nobuo

WEKO 73784

en Arimoto, Nobuo

Search repository
Sugiyama, Naoshi

× Sugiyama, Naoshi

WEKO 73785

en Sugiyama, Naoshi

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2017. The American Astronomical Society
キーワード
主題Scheme Other
主題 galaxies: evolution
キーワード
主題Scheme Other
主題 galaxies: formation
キーワード
主題Scheme Other
主題 galaxies: halos
抄録
内容記述 We study the properties of dark matter halos that contain star-forming galaxies at 1.43 ≤ z ≤ 1.74, using the FMOS-COSMOS survey. The sample consists of 516 objects with a detection of the Hα emission line, which represent the star forming population at this epoch, having a stellar mass range of 10^9.57 ≤ M */M ⊙ lesssim 10^11.4 and a star-formation rate range of 15 lesssim SFR/(M ⊙ yr^−1) lesssim ^600. We measure the projected two-point correlation function while carefully taking into account observational biases, and find a significant clustering amplitude at scales of 0.04–10 h ^−1 cMpc, with a correlation length r0 =5.26-0.62^+0.75h^-1cMpc and a bias b =2.44-0.32^+0.38. We interpret our clustering measurement using a halo occupation distribution model. The sample galaxies appear to reside in halos with mass Mh=4.71-1.62^+1.19×10^12h^-1,M⊙ on average, which will likely become present-day halos of mass M h (z = 0) ~ 2 × 10^13 h ^−1 M ⊙, equivalent to the typical halo mass scale of galaxy groups. We then confirm the decline of the stellar-to-halo mass ratio at M h < 10^12 M ⊙, finding M */M h ≈ 5 × 10^−3 at M h = 7. 5 × 10^11 M ⊙, which is lower by a factor of 2–4 than those measured at higher masses (M h ~ 10^12–13 M ⊙). Finally, we use our results to illustrate the future capabilities of Subaru's Prime-Focus Spectrograph, a next-generation instrument that will provide strong constraints on the galaxy-formation scenario by obtaining precise measurements of galaxy clustering at z>1.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 IOP publishing
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.3847/1538-4357/aa789d
ISSN
収録物識別子タイプ PISSN
収録物識別子 0004-637X
書誌情報 en : Astrophysical Journal

巻 843, 号 2, p. 138-138, 発行日 2017-07-10
著者版フラグ
値 publisher
URI
識別子 http://doi.org/10.3847/1538-4357/aa789d
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/27029
識別子タイプ HDL
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