The ALMA Survey of Star Formation and Evolution in Massive Protoclusters with Blue Profiles (ASSEMBLE): Core Growth, Cluster Contraction, and Primordial Mass Segregation
文献类型：期刊论文
| 作者 | Xu, Fengwei27,28; Wang, Ke28; Liu, Tie1; Tang, Mengyao25; II, Neal J. Evans24; Palau, Aina23; Morii, Kaho21,22; He JH(何金华)18,19,20 ; Sanhueza, Patricio17,21; Liu, Hong-Li16
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| 刊名 | ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
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| 出版日期 | 2024 |
| 卷号 | 270期号:1 |
| ISSN号 | 0067-0049 |
| DOI | 10.3847/1538-4365/acfee5 |
| 产权排序 | 第9完成单位 |
| 文献子类 | Article |
| 英文摘要 | The Atacama Large Millimeter/submillimeter Array (ALMA) Survey of Star Formation and Evolution in Massive Protoclusters with Blue Profiles (ASSEMBLE) aims to investigate the process of mass assembly and its connection to high-mass star formation theories in protoclusters in a dynamic view. We observed 11 massive (M clump greater than or similar to 103 M circle dot), luminous (L bol greater than or similar to 104 L circle dot), and blue-profile (infall signature) clumps by ALMA with resolution of similar to 2200-5500 au (median value of 3500 au) at 350 GHz (870 mu m). We identified 248 dense cores, including 106 cores showing protostellar signatures and 142 prestellar core candidates. Compared to early stage infrared dark clouds (IRDCs) by ASHES, the core mass and surface density within the ASSEMBLE clumps exhibited a significant increment, suggesting concurrent core accretion during the evolution of the clumps. The maximum mass of prestellar cores was found to be 2 times larger than that in IRDCs, indicating that evolved protoclusters have the potential to harbor massive prestellar cores. The mass relation between clumps and their most massive core (MMCs) is observed in ASSEMBLE but not in IRDCs, which is suggested to be regulated by multiscale mass accretion. The mass correlation between the core clusters and their MMCs has a steeper slope compared to that observed in stellar clusters, which can be due to fragmentation of the MMC and stellar multiplicity. We observe a decrease in core separation and an increase in central concentration as protoclusters evolve. We confirm primordial mass segregation in the ASSEMBLE protoclusters, possibly resulting from gravitational concentration and/or gas accretion. |
| 学科主题 | 天文学 |
| URL标识 | 查看原文 |
| 出版地 | TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND |
| WOS关键词 | INFRARED DARK CLOUD ; COMPACT SOURCE CATALOG ; SCALE GREATER-THAN-OR-EQUAL-TO-10 PC ; RADIATION-HYDRODYNAMIC SIMULATIONS ; VELOCITY-COHERENT FILAMENTS ; THERMAL JEANS FRAGMENTATION ; LARGE ARRAY OBSERVATIONS ; INNER GALACTIC PLANE ; FORMING REGIONS ; HIERARCHICAL FRAGMENTATION |
| 资助项目 | National Science Foundation of China; National Key RAMP;D Program of China; China Manned Space Project; High-Performance Computing Platform of Peking University; China-Chile Joint Research Fund (CCJRF); Chinese academy of sciences; Shanghai Pujiang Program; Yunnan provincial Department of Science and Technology; JSPS; Yunnan Fundamental Research Project; UNAM-PAPIIT; Sistema Nacional de Investigadores of CONAHCyT; CONAHCyT; ANID through the BASAL project; Fondecyt Regular; Chinese Academy of Sciences (CAS); Academy of Finland; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology[11973013]; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology[12033005]; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology[11721303]; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology[12073061]; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology[12122307]; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology[12203011]; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology[12103045]; Korea Astronomy and Space Science Institute - Korea government (MSIT)[2022YFA1603100]; Korea Astronomy and Space Science Institute - Korea government (MSIT)[2019YFA0405100]; JSPS KAKENHI |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| 出版者 | IOP Publishing Ltd |
| WOS记录号 | WOS:001132952700001 |
| 资助机构 | National Science Foundation of China ; National Key RAMP ; D Program of China ; China Manned Space Project ; High-Performance Computing Platform of Peking University ; China-Chile Joint Research Fund (CCJRF) ; Chinese academy of sciences ; Shanghai Pujiang Program ; Yunnan provincial Department of Science and Technology ; JSPS ; Yunnan Fundamental Research Project ; UNAM-PAPIIT ; Sistema Nacional de Investigadores of CONAHCyT ; CONAHCyT ; ANID through the BASAL project ; Fondecyt Regular ; Chinese Academy of Sciences (CAS) ; Academy of Finland ; Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology[11973013, 12033005, 11721303, 12073061, 12122307, 12203011, 12103045] ; Korea Astronomy and Space Science Institute - Korea government (MSIT)[2022YFA1603100, 2019YFA0405100] ; JSPS KAKENHI[CMS-CSST-2021-A09, CMS-CSST-2021-B06] ; [2211] ; [114231KYSB20200009] ; [20PJ1415500] ; [202101BA070001-261] ; [22J21529] ; [JP22H01271] ; [JP23H01221] ; [202301AT070118] ; [IG100223] ; [IN10382] ; [86372] ; [FB210003] ; [1220610] ; [348342] ; [NRF- 2019R1A2C1010851] ; [2023-1-84000] ; [JP20H05645] |
| 版本 | 出版稿 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/26479]  |
| 专题 | 云南天文台_其他 |
| 作者单位 | 1.Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, People's Republic of China; 2.Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany; 3.Research Center for Intelligent Computing Platforms, Zhejiang Laboratory, Hangzhou 311100, People's Republic of China; 4.National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100101, People's Republic of China; 5.Department of Mathematical Sciences, University of South Africa, Cnr Christian de Wet Rd and Pioneer Avenue, Florida Park, 1709, Roodepoort, South Africa; 6.Centre for Space Research, Physics Department, North-West University, Potchefstroom 2520, South Africa; 7.Department of Physics and Astronomy, Faculty of Physical Sciences, University of Nigeria, Carver Building, 1 University Road, Nsukka 410001, Nigeria; 8.Max Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg, Germany; 9.Univ. Toulouse, CNRS, IRAP, 9 Av. du colonel Roche, BP 44346, F-31028, Toulouse, France; 10.Eötvös University Budapest, Institute of Physics and Astronomy, Pazmany P.s. 1/A, H-1117 Budapest, Hungary; |
| 推荐引用方式 GB/T 7714 | Xu, Fengwei,Wang, Ke,Liu, Tie,et al. The ALMA Survey of Star Formation and Evolution in Massive Protoclusters with Blue Profiles (ASSEMBLE): Core Growth, Cluster Contraction, and Primordial Mass Segregation[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2024,270(1). |
| APA | Xu, Fengwei.,Wang, Ke.,Liu, Tie.,Tang, Mengyao.,II, Neal J. Evans.,...&Toth, L. Viktor.(2024).The ALMA Survey of Star Formation and Evolution in Massive Protoclusters with Blue Profiles (ASSEMBLE): Core Growth, Cluster Contraction, and Primordial Mass Segregation.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,270(1). |
| MLA | Xu, Fengwei,et al."The ALMA Survey of Star Formation and Evolution in Massive Protoclusters with Blue Profiles (ASSEMBLE): Core Growth, Cluster Contraction, and Primordial Mass Segregation".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 270.1(2024). |
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来源：云南天文台
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