Large-scale mapping observations of the CI 3P1-3P0 line toward heiles cloud2 in the Taurus Dark Cloud

Material type: その他

Author: MAEZAWA, Hiroyukiほか

Publisher: University of Chicago Press

Publication date: 1999-10

Material Format: Digital

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Note (General)：: 出版タイプ： AOA distribution of the neutral carbon atom (C i) in Heiles cloud 2 (HCL2) has been investigated with the Mount Fuji submillimeter-wave telesco...

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Material Type: その他
Title: Large-scale mapping observations of the CI 3P1-3P0 line toward heiles cloud2 in the Taurus Dark Cloud
Author/Editor: MAEZAWA, Hiroyuki
IKEDA, Masafumi
ITO, Tetsuya
SAITO, Gaku
SEKIMOTO, Yutaro
YAMAMOTO, Satoshi
TATEMATSU, Ken-ichi
ARIKAWA, Yuji
ASO, Yoshiyuki
NOGUCHI, Takashi
SHI, Sheng-Cai
MIYAZAWA, Keisuke
SAITO, Shuji
OZEKI, Hiroyuki
FUJIWARA, Hideo
OHISHI, Masatoshi
INATANI, Junji
Author Heading: MAEZAWA, Hiroyuki
IKEDA, Masafumi
ITO, Tetsuya
SAITO, Gaku
SEKIMOTO, Yutaro
YAMAMOTO, Satoshi
TATEMATSU, Ken-ichi
ARIKAWA, Yuji
ASO, Yoshiyuki
NOGUCHI, Takashi
SHI, Sheng-Cai
MIYAZAWA, Keisuke
SAITO, Shuji
OZEKI, Hiroyuki
FUJIWARA, Hideo
OHISHI, Masatoshi
INATANI, Junji
Publication, Distribution, etc.: University of Chicago Press
Publication Date: 1999-10
Publication Date (W3CDTF): 1999
Periodical title: The Astrophysical Journal
No. or year of volume/issue: 524
Volume: 524
Pages: L129-L132
ISSN (Periodical Title): ISSN : 0004-637X
Subject Heading: ISM
atoms—ISM
clouds—ISM
evolution—ISM
individual (Heiles's cloud 2)
Target Audience: 一般
Note (General): 出版タイプ： AO
A distribution of the neutral carbon atom (C i) in Heiles cloud 2 (HCL2) has been investigated with the Mount Fuji submillimeter-wave telescope. A region of 1.2 deg2 covering a whole region of HCL2 has been mapped with the 3P1?3P0 fine-structure line (492 GHz) of C i. The global extent of the C i emission is similar to that of 13CO, extending from southeast to northwest. However, the C i intensity is found to be rather weak in dense cores traced by the line of C18O. On the other hand, strong C i emission is observed in a south part of HCL2 in which the C18O intensity is fairly weak. The C i/CO abundance ratio is greater than 0.8 for the C i peak, whereas it is 0.1 for the dense cores such as the cyanopolyyne peak. The C i?rich cloud found in the south part may be in the early evolutionary stage of dense core formation where C i has not yet been converted completely into CO. This result implies that formation of dense cores is taking place from north to south in HCL2.
Related Material (DOI): 10.1086/312316
https://doi.org/10.1086/312316
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ