NAOC Open IR  > 星系宇宙学研究部
The dynamical origin of multiple populations in intermediate-age clusters in the Magellanic Clouds
Hong, Jongsuk1; de Grijs, Richard1,2,3; Askar, Abbas4; Berczik, Peter5,6; Li, Chengyuan7; Wang, Long8; Deng, Licai9; Kouwenhoven, M. B. N.10; Giersz, Mirek4; Spurzem, Rainer1,6,11
2017-11-01
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷号472期号:1页码:67-77
摘要Numerical simulations were carried out to study the origin of multiple stellar populations in the intermediate-age clusters NGC 411 and NGC 1806 in the Magellanic Clouds. We performed NBODY6++ simulations based on two different formation scenarios, an ad hoc formation model where second-generation (SG) stars are formed inside a cluster of first-generation (FG) stars using the gas accumulated from the external intergalactic medium and a minor merger model of unequal mass (M-SG/M-FG similar to 5-10 per cent) clusters with an age difference of a few hundred million years. We compared our results such as the radial profile of the SG-to-FG number ratio with observations on the assumption that the SG stars in the observations are composed of cluster members, and confirmed that both the ad hoc formation and merger scenarios reproduce the observed radial trend of the SG-to-FG number ratio, which shows less centrally concentrated SG than FG stars. It is difficult to constrain the formation scenario for the multiple populations by only using the spatial distribution of the SG stars. SG stars originating from the merger scenario show a significant velocity anisotropy and rotational features compared to those from the ad hoc formation scenario. Thus, observations aimed at kinematic properties like velocity anisotropy or rotational velocities for SG stars should be obtained to better understand the formation of the multiple populations in these clusters. This is, however, beyond current instrumentation capabilities.
文章类型Article
关键词Stars: Kinematics And Dynamics Magellanic Clouds Galaxies: Star Clusters: Individual: Ngc 411 Galaxies: Star Clusters: Individual: Ngc 1806
WOS标题词Science & Technology ; Physical Sciences
资助者China Postdoctoral Science Foundation(2017M610694) ; China Postdoctoral Science Foundation(2017M610694) ; National Natural Science Foundation of China (NSFC)(U1631102 ; National Natural Science Foundation of China (NSFC)(U1631102 ; Polish National Science Centre(UMO-2015/17/N/ST9/02573) ; Polish National Science Centre(UMO-2015/17/N/ST9/02573) ; National Academy of Science of Ukraine under the Main Astronomical Observatory GRID/GPU computing cluster project ; National Academy of Science of Ukraine under the Main Astronomical Observatory GRID/GPU computing cluster project ; Macquarie Research Fellowship Scheme ; Macquarie Research Fellowship Scheme ; NSFC(11010237 ; NSFC(11010237 ; Research Development Fund of Xi'an Jiaotong-Liverpool University (XJTLU)(RDF-16-01-16) ; Research Development Fund of Xi'an Jiaotong-Liverpool University (XJTLU)(RDF-16-01-16) ; National Science Centre Poland(UMO-2016/23/B/ST9/02732) ; National Science Centre Poland(UMO-2016/23/B/ST9/02732) ; Alexander-von-Humboldt Polish Honorary Research Fellowship of the Foundation for Polish Science ; Alexander-von-Humboldt Polish Honorary Research Fellowship of the Foundation for Polish Science ; Chinese Academy of Sciences (NAOC), through the Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(2009S1-5 (RS)) ; Chinese Academy of Sciences (NAOC), through the Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(2009S1-5 (RS)) ; 'Qianren' special foreign experts programme of China ; 'Qianren' special foreign experts programme of China ; Ministry of Finance of People's Republic of China(ZDYZ2008-2) ; Ministry of Finance of People's Republic of China(ZDYZ2008-2) ; Strategic Priority Research Program (Pilot B) 'Multiwavelength gravitational wave universe' of the Chinese Academy of Sciences(XDB23040100) ; Strategic Priority Research Program (Pilot B) 'Multiwavelength gravitational wave universe' of the Chinese Academy of Sciences(XDB23040100) ; Chinese Academy of Sciences through the Silk Road Project at the National Astronomical Observatories ; Chinese Academy of Sciences through the Silk Road Project at the National Astronomical Observatories ; 11373010 ; 11373010 ; 11050110414 ; 11050110414 ; 11633005) ; 11633005) ; 11173004 ; 11173004 ; 11573004 ; 11573004 ; 11673032) ; 11673032) ; China Postdoctoral Science Foundation(2017M610694) ; China Postdoctoral Science Foundation(2017M610694) ; National Natural Science Foundation of China (NSFC)(U1631102 ; National Natural Science Foundation of China (NSFC)(U1631102 ; Polish National Science Centre(UMO-2015/17/N/ST9/02573) ; Polish National Science Centre(UMO-2015/17/N/ST9/02573) ; National Academy of Science of Ukraine under the Main Astronomical Observatory GRID/GPU computing cluster project ; National Academy of Science of Ukraine under the Main Astronomical Observatory GRID/GPU computing cluster project ; Macquarie Research Fellowship Scheme ; Macquarie Research Fellowship Scheme ; NSFC(11010237 ; NSFC(11010237 ; Research Development Fund of Xi'an Jiaotong-Liverpool University (XJTLU)(RDF-16-01-16) ; Research Development Fund of Xi'an Jiaotong-Liverpool University (XJTLU)(RDF-16-01-16) ; National Science Centre Poland(UMO-2016/23/B/ST9/02732) ; National Science Centre Poland(UMO-2016/23/B/ST9/02732) ; Alexander-von-Humboldt Polish Honorary Research Fellowship of the Foundation for Polish Science ; Alexander-von-Humboldt Polish Honorary Research Fellowship of the Foundation for Polish Science ; Chinese Academy of Sciences (NAOC), through the Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(2009S1-5 (RS)) ; Chinese Academy of Sciences (NAOC), through the Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(2009S1-5 (RS)) ; 'Qianren' special foreign experts programme of China ; 'Qianren' special foreign experts programme of China ; Ministry of Finance of People's Republic of China(ZDYZ2008-2) ; Ministry of Finance of People's Republic of China(ZDYZ2008-2) ; Strategic Priority Research Program (Pilot B) 'Multiwavelength gravitational wave universe' of the Chinese Academy of Sciences(XDB23040100) ; Strategic Priority Research Program (Pilot B) 'Multiwavelength gravitational wave universe' of the Chinese Academy of Sciences(XDB23040100) ; Chinese Academy of Sciences through the Silk Road Project at the National Astronomical Observatories ; Chinese Academy of Sciences through the Silk Road Project at the National Astronomical Observatories ; 11373010 ; 11373010 ; 11050110414 ; 11050110414 ; 11633005) ; 11633005) ; 11173004 ; 11173004 ; 11573004 ; 11573004 ; 11673032) ; 11673032)
DOI10.1093/mnras/stx1954
关键词[WOS]GALACTIC GLOBULAR-CLUSTERS ; N-BODY SIMULATIONS ; STELLAR POPULATIONS ; STAR-CLUSTERS ; OMEGA-CENTAURI ; TRIPLET SPECTROSCOPY ; MAIN-SEQUENCE ; RED GIANTS ; ACS SURVEY ; MASS
收录类别SCI
语种英语
资助者China Postdoctoral Science Foundation(2017M610694) ; China Postdoctoral Science Foundation(2017M610694) ; National Natural Science Foundation of China (NSFC)(U1631102 ; National Natural Science Foundation of China (NSFC)(U1631102 ; Polish National Science Centre(UMO-2015/17/N/ST9/02573) ; Polish National Science Centre(UMO-2015/17/N/ST9/02573) ; National Academy of Science of Ukraine under the Main Astronomical Observatory GRID/GPU computing cluster project ; National Academy of Science of Ukraine under the Main Astronomical Observatory GRID/GPU computing cluster project ; Macquarie Research Fellowship Scheme ; Macquarie Research Fellowship Scheme ; NSFC(11010237 ; NSFC(11010237 ; Research Development Fund of Xi'an Jiaotong-Liverpool University (XJTLU)(RDF-16-01-16) ; Research Development Fund of Xi'an Jiaotong-Liverpool University (XJTLU)(RDF-16-01-16) ; National Science Centre Poland(UMO-2016/23/B/ST9/02732) ; National Science Centre Poland(UMO-2016/23/B/ST9/02732) ; Alexander-von-Humboldt Polish Honorary Research Fellowship of the Foundation for Polish Science ; Alexander-von-Humboldt Polish Honorary Research Fellowship of the Foundation for Polish Science ; Chinese Academy of Sciences (NAOC), through the Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(2009S1-5 (RS)) ; Chinese Academy of Sciences (NAOC), through the Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(2009S1-5 (RS)) ; 'Qianren' special foreign experts programme of China ; 'Qianren' special foreign experts programme of China ; Ministry of Finance of People's Republic of China(ZDYZ2008-2) ; Ministry of Finance of People's Republic of China(ZDYZ2008-2) ; Strategic Priority Research Program (Pilot B) 'Multiwavelength gravitational wave universe' of the Chinese Academy of Sciences(XDB23040100) ; Strategic Priority Research Program (Pilot B) 'Multiwavelength gravitational wave universe' of the Chinese Academy of Sciences(XDB23040100) ; Chinese Academy of Sciences through the Silk Road Project at the National Astronomical Observatories ; Chinese Academy of Sciences through the Silk Road Project at the National Astronomical Observatories ; 11373010 ; 11373010 ; 11050110414 ; 11050110414 ; 11633005) ; 11633005) ; 11173004 ; 11173004 ; 11573004 ; 11573004 ; 11673032) ; 11673032) ; China Postdoctoral Science Foundation(2017M610694) ; China Postdoctoral Science Foundation(2017M610694) ; National Natural Science Foundation of China (NSFC)(U1631102 ; National Natural Science Foundation of China (NSFC)(U1631102 ; Polish National Science Centre(UMO-2015/17/N/ST9/02573) ; Polish National Science Centre(UMO-2015/17/N/ST9/02573) ; National Academy of Science of Ukraine under the Main Astronomical Observatory GRID/GPU computing cluster project ; National Academy of Science of Ukraine under the Main Astronomical Observatory GRID/GPU computing cluster project ; Macquarie Research Fellowship Scheme ; Macquarie Research Fellowship Scheme ; NSFC(11010237 ; NSFC(11010237 ; Research Development Fund of Xi'an Jiaotong-Liverpool University (XJTLU)(RDF-16-01-16) ; Research Development Fund of Xi'an Jiaotong-Liverpool University (XJTLU)(RDF-16-01-16) ; National Science Centre Poland(UMO-2016/23/B/ST9/02732) ; National Science Centre Poland(UMO-2016/23/B/ST9/02732) ; Alexander-von-Humboldt Polish Honorary Research Fellowship of the Foundation for Polish Science ; Alexander-von-Humboldt Polish Honorary Research Fellowship of the Foundation for Polish Science ; Chinese Academy of Sciences (NAOC), through the Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(2009S1-5 (RS)) ; Chinese Academy of Sciences (NAOC), through the Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(2009S1-5 (RS)) ; 'Qianren' special foreign experts programme of China ; 'Qianren' special foreign experts programme of China ; Ministry of Finance of People's Republic of China(ZDYZ2008-2) ; Ministry of Finance of People's Republic of China(ZDYZ2008-2) ; Strategic Priority Research Program (Pilot B) 'Multiwavelength gravitational wave universe' of the Chinese Academy of Sciences(XDB23040100) ; Strategic Priority Research Program (Pilot B) 'Multiwavelength gravitational wave universe' of the Chinese Academy of Sciences(XDB23040100) ; Chinese Academy of Sciences through the Silk Road Project at the National Astronomical Observatories ; Chinese Academy of Sciences through the Silk Road Project at the National Astronomical Observatories ; 11373010 ; 11373010 ; 11050110414 ; 11050110414 ; 11633005) ; 11633005) ; 11173004 ; 11173004 ; 11573004 ; 11573004 ; 11673032) ; 11673032)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000413765800007
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/20196
专题星系宇宙学研究部
作者单位1.Peking Univ, Kavli Inst Astron & Astrophys, Yi He Yuan Lu 5, Beijing 100871, Peoples R China
2.Peking Univ, Sch Phys, Dept Astron, Yi He Yuan Lu 5, Beijing 100871, Peoples R China
3.Int Space Sci Inst Beijing, 1 Nanertiao, Beijing 100190, Peoples R China
4.Polish Acad Sci, Nicolaus Copernicus Astron Ctr, Ul Bartycka 18, PL-00716 Warsaw, Poland
5.Natl Acad Sci Ukraine, Main Astron Observ, 27 Akad Zabolotnoho St, UA-03143 Kiev, Ukraine
6.Chinese Acad Sci, Key Lab Computat Astrophys, Natl Astron Observ, 20A Datun Rd, Beijing 100012, Peoples R China
7.Macquarie Univ, Dept Phys & Astron, Sydney, NSW 2109, Australia
8.RIKEN Adv Inst Computat Sci, Chuo Ku, 7-1-26 Minatojima Minami Machi, Kobe, Hyogo 6500047, Japan
9.Chinese Acad Sci, Key Lab Opt Astron, Natl Astron Observ, 20A Datun Rd, Beijing 100012, Peoples R China
10.Xian Jiaotong Liverpool Univ, Dept Math Sci, Suzhou Dushu Lake Sci & Educ Innovat Dist, 111 Renai Rd,Suzhou Ind Pk, Suzhou 215123, Peoples R China
11.Heidelberg Univ, Zentrum Astron, Astron Rechen Inst, Monchhofstr 12-14, D-69120 Heidelberg, Germany
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Hong, Jongsuk,de Grijs, Richard,Askar, Abbas,et al. The dynamical origin of multiple populations in intermediate-age clusters in the Magellanic Clouds[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2017,472(1):67-77.
APA Hong, Jongsuk.,de Grijs, Richard.,Askar, Abbas.,Berczik, Peter.,Li, Chengyuan.,...&Spurzem, Rainer.(2017).The dynamical origin of multiple populations in intermediate-age clusters in the Magellanic Clouds.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,472(1),67-77.
MLA Hong, Jongsuk,et al."The dynamical origin of multiple populations in intermediate-age clusters in the Magellanic Clouds".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 472.1(2017):67-77.
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