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  1. 100 全学教育機構
  2. 1001 学術論文

The Physical Conditions of the Intrinsic N V Narrow Absorption Line Systems of Three Quasars

http://hdl.handle.net/10091/10715
012aac26-b932-4ce1-8133-981ffd84a761
名前 / ファイル ライセンス アクション
PHYSICAL_CONDITIONS_INTRINSIC.pdf PHYSICAL_CONDITIONS_INTRINSIC.pdf (1.2 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2010-10-19
タイトル
言語 en
タイトル The Physical Conditions of the Intrinsic N V Narrow Absorption Line Systems of Three Quasars
言語
言語 eng
キーワード
主題Scheme Other
主題 quasars: absorption lines
キーワード
主題Scheme Other
主題 quasars: individual (HE0130-4021, Q1009+2956, HS1700+6416)
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Wu, Jian

× Wu, Jian

WEKO 45928

Wu, Jian

Search repository
Charlton, Jane C.

× Charlton, Jane C.

WEKO 45929

Charlton, Jane C.

Search repository
Misawa, Toru

× Misawa, Toru

WEKO 45930

Misawa, Toru

Search repository
Eracleous, Michael

× Eracleous, Michael

WEKO 45931

Eracleous, Michael

Search repository
Ganguly, Rajib

× Ganguly, Rajib

WEKO 45932

Ganguly, Rajib

Search repository
信州大学研究者総覧へのリンク
氏名 Misawa, Toru
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.ypchuUkV.html
出版者
出版者 IOP PUBLISHING LTD
引用
内容記述タイプ Other
内容記述 The Astrophysical Journal. 722(2):997-1012 (2010)
書誌情報 The Astrophysical Journal

巻 722, 号 2, p. 997-1012, 発行日 2010-10-20
抄録
内容記述タイプ Abstract
内容記述 We employ detailed photoionization models to infer the physical conditions of intrinsic narrow absorption line systems found in high-resolution spectra of three quasars at z = 2.6-3.0. We focus on a family of intrinsic absorbers characterized by N V lines that are strong relative to the Lyα lines. The inferred physical conditions are similar for the three intrinsic N V absorbers, with metallicities greater than 10 times the solar value (assuming a solar abundance pattern), and with high ionization parameters (log U ~ 0). Thus, we conclude that the unusual strength of the N V lines results from a combination of partial coverage, a high ionization state, and high metallicity. We consider whether dilution of the absorption lines by flux from the broad emission line region can lead us to overestimate the metallicities and we find that this is an unlikely possibility. The high abundances that we infer are not surprising in the context of scenarios in which metal enrichment takes place very early on in massive galaxies. We estimate that the mass outflow rate in the absorbing gas (which is likely to have a filamentary structure) is less than a few M_ yr−1 under the most optimistic assumptions, although it may be embedded in a much hotter, more massive outflow.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0004-637X
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA00553253
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.1088/0004-637X/722/2/997
関連名称
関連名称 10.1088/0004-637X/722/2/997
権利
権利情報 Copyright (c) 2010 The American Astronomical Society
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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