FAST Reveals the Extended H i Halo and Accretion Signatures of NGC 2683

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成果类型：

期刊论文

作者：

Jiao, Qian;Zhu, Ming;Vollmer, Bernd;Ai, Mei;Yu, Haiyang;...

通讯作者：

Jiao, Q;Zhu, M

作者机构：

[Jiao, Qian] Wuhan Polytech Univ, Sch Elect & Elect Engn, Wuhan 430023, Peoples R China.

[Zhu, Ming; Yu, Haiyang; Ai, Mei] Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China.

[Zhu, Ming; Yu, Haiyang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

[Zhu, Ming; Ai, Mei] Guizhou Univ, Guizhou Radio Astron Observ, Guiyang 550000, Peoples R China.

[Zhu, Ming; Ai, Mei] Chinese Acad Sci, CAS Key Lab FAST, Natl Astron Observ, Beijing 100101, Peoples R China.

通讯机构：

[Zhu, M ] C

[Jiao, Q ] W

Wuhan Polytech Univ, Sch Elect & Elect Engn, Wuhan 430023, Peoples R China.

Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China.

Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

语种：

英文

期刊：

ASTROPHYSICAL JOURNAL

ISSN：

0004-637X

年：

2025

卷：

986

期：

页码：

DOI：

10.3847/1538-4357/add0ba

基金类别：

Chinese Academy of Sciences (CAS); National Natural Science Foundation of China (NSFC) [12033004, 12003070, 12233005]; Research Funding of Wuhan Polytechnic University [2022RZ035]; NSFC [11803044, 12173045]; China Manned Space Program [CMS-CSST-2025-A07]; CAS; CAS South America Center for Astronomy; Scientific Research Fund of Dezhou University [3012304024]; Shandong Provincial Natural Science Foundation [ZR2024QA212]

机构署名：

本校为第一且通讯机构

院系归属：

电气与电子工程学院

摘要：

We present the results of our recent H i observations conducted on the edge-on galaxy NGC 2683 using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). In comparison to previous observations made by the Very Large Array (VLA), FAST has detected a more extensive distribution of H i. Particularly noteworthy is that the detections made by FAST extend approximately 4 times farther than those of the VLA in the vertical direction from the galactic plane. The total H i flux measured for NGC 2683 amounts to FH i = 112.1 Jy km s-1 (equivalent to a total H i mass of MH i = 2.32 x 109 M ci...

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FAST Reveals the Extended H i Halo and Accretion Signatures of NGC 2683

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