A study of Galactic Plane Planck Galactic cold clumps observed by SCOPE and the JCMT Plane Survey

被引：0

作者：

Eden, D. J. ^{[1
]}

Liu, Tie ^{[2
]}

Moore, T. J. T. ^{[3
]}

Di Francesco, J. ^{[4
,5
]}

Fuller, G. ^{[6
]}

Kim, Kee-Tae ^{[7
,8
]}

Li, Di ^{[9
,10
]}

Liu, S. -Y ^{[11
]}

Plume, R. ^{[12
]}

Tatematsu, Ken'ichi ^{[13
,14
]}

Thompson, M. A. ^{[15
]}

Wu, Y. ^{[16
]}

Bronfman, L. ^{[17
]}

Butner, H. M. ^{[18
]}

Currie, M. J. ^{[19
,20
]}

Garay, G. ^{[17
]}

Goldsmith, P. F. ^{[21
]}

Hirano, N. ^{[11
]}

Johnstone, D. ^{[4
,5
]}

Juvela, M. ^{[22
]}

Lai, S. -P ^{[11
,23
,24
,25
]}

Lee, C. W. ^{[7
,8
]}

Mannfors, E. E. ^{[22
]}

Olguin, F. ^{[25
]}

Pattle, K. ^{[26
]}

Park, Geumsook ^{[7
]}

Polychroni, D. ^{[27
]}

Rawlings, M. ^{[28
]}

Rigby, A. J. ^{[15
]}

Sanhueza, P. ^{[14
,29
]}

Traficante, A. ^{[30
]}

Urquhart, J. S. ^{[31
]}

Weferling, B. ^{[32
]}

White, G. J. ^{[19
,33
]}

Yadav, R. K. ^{[34
]}

机构：

[1] Armagh Observ & Planetarium, Coll Hill, Armagh BT61 9DB, North Ireland

[2] Chinese Acad Sci, Shanghai Astron Observ, Shanghai, Peoples R China

[3] Liverpool John Moores Univ, Astrophys Res Inst, Liverpool Sci Pk IC2,146 Brownlow Hill, Liverpool L3 5RF, England

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

[5] Univ Victoria, Dept Phys & Astron, Victoria, BC V8W 2Y2, Canada

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

[7] Korea Astron & Space Sci Inst, 776 Daedeokdae Ro, Daejon 34055, South Korea

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

[9] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China

[10] Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China

[11] Acad Sinica, Inst Astron & Astrophys, 11F AS NTU Astron Math,Bldg 1,Sect 4,Roosevelt Rd, Taipei 10617, Taiwan

[12] Univ Calgary, Dept Phys & Astron, 2500 Univ Drive NW, Calgary, AB T2N 1N4, Canada

[13] Natl Inst Nat Sci, Nobeyama Radio Observ, Natl Astron Observ Japan, Minamisaku, Minamimaki, Nagano 3841305, Japan

[14] Grad Inst Adv Studies SOKENDAI, Astron Sci Program, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[15] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, England

[16] Peking Univ, Dept Astron, Beijing 100871, Peoples R China

[17] Univ Chile, Astron Dept, Casilla 36-D, Santiago 7591245, Chile

[18] James Madison Univ, Dept Phys & Astron, MSC 4502,901 Carrier Dr, Harrisonburg, VA 22807 USA

[19] STFC Rutherford Appleton Lab, RAL Space, Didcot OX11 0QX, Oxon, England

[20] East Asian Observ, 660 North Aohoku Pl, Hilo, HI 96720 USA

[21] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[22] Univ Helsinki, Dept Phys, POB 64, FI-00014 Helsinki, Finland

[23] Natl Tsing Hua Univ, Inst Astron, 101,Sect 2,Kuang Fu Rd, Hsinchu 30013, Taiwan

[24] Natl Tsing Hua Univ, Ctr Informat & Computat Astron, 101,Sect 2,Kuang Fu Rd, Hsinchu 30013, Taiwan

[25] Natl Tsing Hua Univ, Dept Phys, 101 Sect 2,Kuang Fu Rd, Hsinchu 30013, Taiwan

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

[27] INAF, Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy

[28] Gemini Observ, NSFs NOIRLab, 670 N Aohoku Pl, Hilo, HI 96720 USA

[29] Natl Inst Nat Sci, Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[30] IAPS INAF, Via Fosso Cavaliere 100, I-00133 Rome, Italy

[31] Univ Kent, Ctr Astrophys & Planetary Sci, Canterbury CT2 7NH, England

[32] Oststr 15, D-51674 Wiehl, Germany

[33] Open Univ, Sch Phys Sci, Walton Hall, Milton Keynes MK7 6AA, England

[34] Natl Astron Res Inst Thailand Publ Org, 260 Moo 4 T Donkaew, Chiangmai 50180, Thailand

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2024年 / 530卷 / 04期

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; 新加坡国家研究基金会; 国家重点研发计划; 英国科学技术设施理事会; 美国国家航空航天局; 中国国家自然科学基金; 芬兰科学院;

关键词：

surveys; stars: formation; ISM: clouds; submillimetre: ISM; COMPACT SOURCE CATALOG; HIGH-RESOLUTION SURVEY; MOLECULAR CLOUD CORES; STAR-FORMING REGIONS; INFRARED DARK CLOUDS; 1ST DATA RELEASE; H II REGIONS; ALMA SURVEY; MILKY-WAY; MASSIVE STAR;

D O I：

10.1093/mnras/stae1179

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have investigated the physical properties of Planck Galactic Cold Clumps (PGCCs) located in the Galactic Plane, using the JCMT Plane Survey (JPS) and the SCUBA-2 Continuum Observations of Pre-protostellar Evolution (SCOPE) survey. By utilizing a suite of molecular-line surveys, velocities, and distances were assigned to the compact sources within the PGCCs, placing them in a Galactic context. The properties of these compact sources show no large-scale variations with Galactic environment. Investigating the star-forming content of the sample, we find that the luminosity-to-mass ratio (L/M) is an order of magnitude lower than in other Galactic studies, indicating that these objects are hosting lower levels of star formation. Finally, by comparing ATLASGAL sources that are associated or are not associated with PGCCs, we find that those associated with PGCCs are typically colder, denser, and have a lower L/M ratio, hinting that PGCCs are a distinct population of Galactic Plane sources.

引用

页码：5192 / 5208

页数：17

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