Filamentary Network and Magnetic Field Structures Revealed with BISTRO in the High-mass Star-forming Region NGC 2264: Global Properties and Local Magnetogravitational Configurations

被引：8

作者：

Wang, Jia-Wei ^{[1
]}

Koch, Patrick M. ^{[1
]}

Clarke, Seamus D. ^{[1
]}

Fuller, Gary ^{[2
,3
]}

Peretto, Nicolas ^{[4
]}

Tang, Ya-Wen ^{[1
]}

Yen, Hsi-Wei ^{[1
]}

Lai, Shih-Ping ^{[1
,5
,6
]}

Ohashi, Nagayoshi ^{[1
]}

Arzoumanian, Doris ^{[7
]}

Johnstone, Doug ^{[8
,9
]}

Furuya, Ray ^{[10
]}

Inutsuka, Shu-ichiro ^{[11
]}

Lee, Chang Won ^{[12
,13
]}

Ward-Thompson, Derek ^{[14
]}

Le Gouellec, Valentin J. M. ^{[15
]}

Liu, Hong-Li ^{[16
]}

Fanciullo, Lapo ^{[17
]}

Hwang, Jihye ^{[12
]}

Pattle, Kate ^{[18
]}

Poidevin, Frederick ^{[19
,20
]}

Tahani, Mehrnoosh ^{[21
]}

Onaka, Takashi ^{[22
]}

Rawlings, Mark G. ^{[23
]}

Chung, Eun Jung ^{[24
]}

Liu, Junhao ^{[25
]}

Lyo, A-Ran ^{[12
]}

Priestley, Felix ^{[4
]}

Hoang, Thiem ^{[12
,13
]}

Tamura, Motohide ^{[22
,26
,27
]}

Berry, David ^{[25
]}

Bastien, Pierre ^{[28
,29
]}

Ching, Tao-Chung ^{[30
]}

Coude, Simon ^{[31
,32
]}

Kwon, Woojin ^{[33
,34
]}

Chen, Mike ^{[35
]}

Eswaraiah, Chakali ^{[36
]}

Soam, Archana ^{[37
]}

Hasegawa, Tetsuo ^{[26
]}

Qiu, Keping ^{[38
,39
]}

Bourke, Tyler L. ^{[2
,40
]}

Byun, Do-Young ^{[12
,13
]}

Chen, Zhiwei ^{[41
]}

Chen, Huei-Ru Vivien ^{[1
,5
,6
]}

Chen, Wen Ping ^{[42
]}

Cho, Jungyeon ^{[24
]}

Choi, Minho ^{[12
]}

Choi, Yunhee ^{[12
]}

Choi, Youngwoo ^{[43
]}

Chrysostomou, Antonio ^{[40
]}

机构：

[1] Acad Sinica, Inst Astron & Astrophys, 1,Sec 4,Roosevelt Rd, Taipei 10617, Taiwan

[2] Univ Manchester, Sch Phys & Astron, Ctr Astrophys, Jodrell Bank, Oxford Rd, Manchester M13 9PL, Lancs, England

[3] Univ Cologne, Phys Inst, Zulpicher Str 77, D-50937 Cologne, Germany

[4] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, Wales

[5] Natl Tsing Hua Univ, Inst Astron, Hsinchu 30013, Taiwan

[6] Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan

[7] Natl Astron Observ Japan, Div Sci, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[8] NRC Herzberg Astron & Astrophys, 5071 West Saanich Rd, Victoria, BC V9E 2E7, Canada

[9] Univ Victoria, Dept Phys & Astron, Victoria, BC V8P 5C2, Canada

[10] Tokushima Univ, Inst Liberal Arts & Sci, Minami Jousanajima Machi 1-1, Tokushima 7708502, Japan

[11] Nagoya Univ, Grad Sch Sci, Dept Phys, Furo Cho,Chikusa Ku, Nagoya, Aichi 4648602, Japan

[12] Korea Astron & Space Sci Inst, 776 Daedeokdae Ro, Daejeon 34055, South Korea

[13] Univ Sci & Technol, 217 Gajeong Ro, Daejeon 34113, South Korea

[14] Univ Cent Lancashire, Jeremiah Horrocks Inst, Preston PR1 2HE, Lancs, England

[15] NASA, Ames Res Ctr, Space Sci & Astrobiol Div, MS 245-6, Moffett Field, CA 94035 USA

[16] Yunnan Univ, Sch Phys & Astron, Kunming 650091, Yunnan, Peoples R China

[17] Natl Chung Hsing Univ, 145 Xingda Rd, Taichung 402, Taiwan

[18] UCL, Dept Phys & Astron, London WC1E 6BT, England

[19] Inst Astrofis Canarias, E-38200 Tenerife, Canary Islands, Spain

[20] Univ La Laguna ULL, Dept Astrofis, E-38206 Tenerife, Spain

[21] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol KIPAC, Stanford, CA 94305 USA

[22] Univ Tokyo, Grad Sch Sci, Dept Astron, 7-3-1 Hongo,Bunkyo Ku, Tokyo 1130033, Japan

[23] Gemini Observ, NSFs NOIRLab, 670 North Aohoku Pl, Hilo, HI 96720 USA

[24] Chungnam Natl Univ, Dept Astron & Space Sci, 99 Daehak Ro, Daejeon 34134, South Korea

[25] East Asian Observ, 660 North Aohoku Pl,Univ Pk, Hilo, HI 96720 USA

[26] Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan

[27] Natl Inst Nat Sci, Astrobiol Ctr, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[28] Univ Montreal, Ctr Rech Astrophys Quebec, 1375 Ave Therese Lavoie Roux, Montreal, PQ H2V 0B3, Canada

[29] Univ Montreal, Dept Phys, 1375 Ave Therese Lavoie Roux, Montreal, PQ H2V 0B3, Canada

[30] Natl Radio Astron Observ, 1003 Lopezville Rd, Socorro, NM 87801 USA

[31] Worcester State Univ, Dept Earth Environm & Phys, Worcester, MA 01602 USA

[32] Harvard & Smithsonian, Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

[33] Seoul Natl Univ, Dept Earth Sci Educ, 1 Gwanak Ro, Seoul 08826, South Korea

[34] Seoul Natl Univ, SNU Astron Res Ctr, 1 Gwanak Ro, Seoul 08826, South Korea

[35] Queens Univ, Dept Phys Engn Phys & Astrophys, Kingston, ON K7L 3N6, Canada

[36] Indian Inst Sci Educ & Res IISER Tirupati, Rami Reddy Nagar,Karakambadi Rd,Mangalam PO, Tirupati 517507, Andhra Pradesh, India

[37] Indian Inst Astrophys, II Block, Bengaluru 560034, India

[38] Nanjing Univ, Sch Astron & Space Sci, 163 Xianlin Ave, Nanjing 210023, Peoples R China

[39] Nanjing Univ, Minist Educ, Key Lab Modern Astron & Astrophys, Nanjing 210023, Peoples R China

[40] SKA Observ, Jodrell Bank, Macclesfield SK11 9FT, Cheshire, England

[41] Chinese Acad Sci, Purple Mt Observ, 2 West Beijing Rd, Nanjing 210008, Peoples R China

[42] Natl Cent Univ, Inst Astron, Zhongli 32001, Taiwan

[43] Seoul Natl Univ, Dept Phys & Astron, 1 Gwanak Ro, Seoul 08826, South Korea

[44] Chinese Acad Sci, Natl Astron Observ, A20 Datun Rd, Beijing 100012, Peoples R China

[45] Vietnam Acad Sci & Technol, Vietnam Natl Space Ctr, 18 Hoang Quoc Viet, Hanoi, Vietnam

[46] Univ Tokyo, Grad Sch Arts & Sci, Dept Earth Sci & Astron, 3-8-1 Komaba,Meguro Ku, Tokyo 1538902, Japan

[47] Armagh Observ & Planetarium, Armagh BT61 9DG, North Ireland

[48] Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada

[49] Natl Radio Astron Observ, 520 Edgemont Rd, Charlottesville, VA 22903 USA

[50] Univ Hertfordshire, Sch Phys Astron & Math, Coll Lane, Hatfield AL10 9AB, Herts, England

来源：

ASTROPHYSICAL JOURNAL | 2024年 / 962卷 / 02期

基金：

新加坡国家研究基金会; 英国科学技术设施理事会; 中国国家自然科学基金; 加拿大自然科学与工程研究理事会; 加拿大创新基金会; 国家重点研发计划;

关键词：

MOLECULAR CLOUD; CLUSTER-FORMATION; SPITZER VIEW; DUST; GRAVITY; CORE; VELOCITY; POLARIZATION; HERSCHEL; SIMULATIONS;

D O I：

10.3847/1538-4357/ad165b

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report 850 mu m continuum polarization observations toward the filamentary high-mass star-forming region NGC 2264, taken as part of the B-fields In STar forming Regions Observations large program on the James Clerk Maxwell Telescope. These data reveal a well-structured nonuniform magnetic field in the NGC 2264C and 2264D regions with a prevailing orientation around 30 degrees from north to east. Field strength estimates and a virial analysis of the major clumps indicate that NGC 2264C is globally dominated by gravity, while in 2264D, magnetic, gravitational, and kinetic energies are roughly balanced. We present an analysis scheme that utilizes the locally resolved magnetic field structures, together with the locally measured gravitational vector field and the extracted filamentary network. From this, we infer statistical trends showing that this network consists of two main groups of filaments oriented approximately perpendicular to one another. Additionally, gravity shows one dominating converging direction that is roughly perpendicular to one of the filament orientations, which is suggestive of mass accretion along this direction. Beyond these statistical trends, we identify two types of filaments. The type I filament is perpendicular to the magnetic field with local gravity transitioning from parallel to perpendicular to the magnetic field from the outside to the filament ridge. The type II filament is parallel to the magnetic field and local gravity. We interpret these two types of filaments as originating from the competition between radial collapsing, driven by filament self-gravity, and longitudinal collapsing, driven by the region's global gravity.

引用

页数：34

共 126 条

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