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ALMA Survey of Orion Planck Galactic Cold Clumps (ALMASOP): A Forming Quadruple System with Continuum "Ribbons" and Intricate Outflows
| Indexado |
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| DOI | 10.3847/2041-8213/ACDDDF | ||||
| Año | 2023 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
One of the most poorly understood aspects of low-mass star formation is how multiple-star systems are formed. Here we present the results of Atacama Large Millimeter/submillimeter Array (ALMA) Band 6 observations toward a forming quadruple protostellar system, G206.93-16.61E2, in the Orion B molecular cloud. ALMA 1.3 mm continuum emission reveals four compact objects, of which two are Class I young stellar objects and the other two are likely in prestellar phase. The 1.3 mm continuum emission also shows three asymmetric ribbon-like structures that are connected to the four objects, with lengths ranging from & SIM;500 to & SIM;2200 au. By comparing our data with magnetohydrodynamic simulations, we suggest that these ribbons trace accretion flows and also function as gas bridges connecting the member protostars. Additionally, ALMA CO J = 2-1 line emission reveals a complicated molecular outflow associated with G206.93-16.61E2, with arc-like structures suggestive of an outflow cavity viewed pole-on.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Luo, Qiuyi | - |
CASSACA - China
Univ Chinese Acad Sci - China National Astronomical Observatories Chinese Academy of Sciences - China University of Chinese Academy of Sciences - China Shanghai Astronomical Observatory Chinese Academy of Sciences - China |
| 2 | Liu, Tie | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China Shanghai Astronomical Observatory Chinese Academy of Sciences - China |
| 3 | Lee, A. T. | Hombre |
St Marys Coll Calif - Estados Unidos
Saint Mary's College of California - Estados Unidos |
| 4 | Offner, Stella S. R. | Mujer |
Univ Texas Austin - Estados Unidos
The University of Texas at Austin - Estados Unidos |
| 5 | Di Francesco, James | Hombre |
NRC Herzberg Astron & Astrophys - Canadá
Univ Victoria - Canadá National Research Council Canada - Canadá University of Victoria - Canadá |
| 6 | Johnstone, Doug | Hombre |
NRC Herzberg Astron & Astrophys - Canadá
Univ Victoria - Canadá National Research Council Canada - Canadá University of Victoria - Canadá |
| 7 | Juvela, Mika | Hombre |
Univ Helsinki - Finlandia
Helsingin Yliopisto - Finlandia |
| 8 | Goldsmith, Paul | Hombre |
CALTECH - Estados Unidos
California Institute of Technology - Estados Unidos |
| 9 | Qin, Sheng-Li | - |
Yunnan Univ - China
Yunnan University - China |
| 10 | Mai, Xiao Feng | - |
CASSACA - China
Univ Chinese Acad Sci - China National Astronomical Observatories Chinese Academy of Sciences - China University of Chinese Academy of Sciences - China Shanghai Astronomical Observatory Chinese Academy of Sciences - China |
| 11 | Liu, Xun-Chuan | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China Shanghai Astronomical Observatory Chinese Academy of Sciences - China |
| 12 | Sanhueza, Patricio | Hombre |
Natl Inst Nat Sci - Japón
SOKENDAI Grad Univ Adv Studies - Japón National Institutes of Natural Sciences - National Astronomical Observatory of Japan - Japón The Graduate University for Advanced Studies - Japón |
| 13 | Xu, Feng-Wei | - |
Peking Univ - China
Peking University - China |
| 14 | Tatematsu, Ken'ichi | Hombre |
Natl Inst Nat Sci - Japón
SOKENDAI - Japón National Institutes of Natural Sciences - National Astronomical Observatory of Japan - Japón The Graduate University for Advanced Studies - Japón |
| 15 | Dutta, Somnath | Hombre |
Acad Sinica - Taiwán
Academia Sinica, Institute of Astronomy and Astrophysics - Taiwán |
| 16 | Chen, Huei-Ru | - |
Natl Tsing Hua Univ - Taiwán
National Tsing Hua University - Taiwán |
| 17 | Li, Shanghuo | - |
Max Planck Inst Astron - Alemania
Max Planck Institute for Astronomy - Alemania |
| 18 | Yang, Aiyuan | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China |
| 19 | Liu, Sheng Yuan | - |
Acad Sinica - Taiwán
Academia Sinica, Institute of Astronomy and Astrophysics - Taiwán |
| 20 | Lee, Chin-Fei | - |
Acad Sinica - Taiwán
Academia Sinica, Institute of Astronomy and Astrophysics - Taiwán |
| 21 | Hirano, Naomi | Mujer |
Acad Sinica - Taiwán
Academia Sinica, Institute of Astronomy and Astrophysics - Taiwán |
| 22 | Lee, Chang-Won | - |
Korea Astron & Space Sci Inst - Corea del Sur
Univ Sci & Technol - Corea del Sur Korea Astronomy and Space Science Institute - Corea del Sur University of Science and Technology (UST) - Corea del Sur |
| 23 | Sahu, Dipen | - |
Acad Sinica - Taiwán
Phys Res Lab - India Academia Sinica, Institute of Astronomy and Astrophysics - Taiwán Physical Research Laboratory India - India |
| 24 | Shang, H. | - |
Acad Sinica - Taiwán
Academia Sinica, Institute of Astronomy and Astrophysics - Taiwán |
| 25 | Hsu, Shih-Ying | - |
Acad Sinica - Taiwán
Academia Sinica, Institute of Astronomy and Astrophysics - Taiwán |
| 26 | BRONFMAN-AGUILO, MIGUEL LEONARDO | Hombre |
Universidad de Chile - Chile
|
| 27 | Kwon, W. | - |
Seoul Natl Univ - Corea del Sur
Seoul National University - Corea del Sur |
| 28 | Rawlings, Mark G. | Hombre |
Observatorio Gemini - Estados Unidos
Gemini Observatory - Estados Unidos |
| 29 | Eden, David J. | Hombre |
Armagh Observ & Planetarium - Reino Unido
Armagh Observatory - Reino Unido |
| 30 | Lu, Xing | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China Shanghai Astronomical Observatory Chinese Academy of Sciences - China |
| 31 | Gu, Qilao | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China Shanghai Astronomical Observatory Chinese Academy of Sciences - China |
| 32 | Ren, Zhiyuan | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China |
| 33 | Ward-Thompson, Derek | Hombre |
UCLAN - Reino Unido
University of Central Lancashire - Reino Unido |
| 34 | Shen, Zhi-Qiang | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China |
| 34 | Shen, Zhi Qiang | - |
Shanghai Astronomical Observatory Chinese Academy of Sciences - China
CASSACA - China |
| 34 | Shen, Zhi-Qiang | - |
CASSACA - China
National Astronomical Observatories Chinese Academy of Sciences - China |
| Fuente |
|---|
| National Natural Science Foundation of China |
| National Science Foundation |
| National Key Research and Development Program of China |
| National Research Foundation of Korea |
| Chinese Academy of Sciences |
| NSFC |
| NSF |
| National Natural Science Foundation of China (NSFC) |
| Japan Society for the Promotion of Science |
| Japan Society for the Promotion of Science (JSPS) |
| Natural Sciences and Engineering Research Council of Canada |
| Science and Technology Facilities Council |
| National Aeronautics and Space Administration |
| UK Science and Technology Facilities Council (STFC) |
| California Institute of Technology |
| Academy of Finland |
| Shanghai Pujiang Program |
| ALMA |
| NRC Canada |
| Ministry of Science, ICT and Future Planning |
| NSERC Discovery |
| Science and Engineering Research Board |
| National Key RAMP;D Program of China |
| CPSF |
| Agencia Nacional de Investigación y Desarrollo |
| ANID Basal Project |
| NRF-2021R1F1A1061794 |
| NSTC |
| Texas Advanced Computing Center (TACC Stampede2 |
| Ramanujan Fellowship (SERB, Govt. of India) |
| National Research Foundation of Korea (MSIT) |
| Agradecimiento |
|---|
| This paper makes use of the following ALMA data: ADS/JAO.ALMA#2018.1.00302.S. ALMA is a partnership of ESO (representing its member states), NSF (USA), and NINS (Japan), together with NRC (Canada), MOST and ASIAA (Taiwan), and KASI (Republic of Korea), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO, and NAOJ. This work has been supported by the National Key R & amp;D Program of China (No. 2022YFA1603101). T.L. acknowledges support from the National Natural Science Foundation of China (NSFC), through grants No. 12073061 and No. 12122307, the international partnership program of the Chinese Academy of Sciences, through grant No. 114231KYSB20200009, and the Shanghai Pujiang Program 20PJ1415500. S.S.R.O. and A.T.L. are supported in part by NSF 1748571. The simulations of Lee et al. (2019) were done at the Massachusetts Green High Performance Computing Center (GHPCC LoneStar5) and the Texas Advanced Computing Center (TACC Stampede2). D.J. is supported by NRC Canada and by an NSERC Discovery Grant. This research was carried out in part at the Jet Propulsion Laboratory, which is operated by the California Institute of Technology under a contract with the National Aeronautics and Space Administration (80NM0018D0004). X.L. acknowledges support from NSFC, No. 12203086, and CPSF, No. 2022M723278. P.S. was partially supported by a Grant-in-Aid for Scientific Research (KAKENHI Numbers JP22H01271 and JP23H01221) of the Japan Society for the Promotion of Science (JSPS). M.J. acknowledges support from the Academy of Finland, grant No. 348342. L.B. gratefully acknowledges support from the ANID BASAL project FB210003. D.S. acknowledges support from the Ramanujan Fellowship (SERB, Govt. of India) and PRL. D.W.T. wishes to thank the UK Science and Technology Facilities Council (STFC) for support under grant No. ST/R000786/1. K.T. was supported by JSPS KAKENHI (grant No. JP20H05645). N.H. acknowledges NSTC 110- 2112-M-001-048 and NSTC 111-2112-M-001-060 grants.W.K. was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (NRF-2021R1F1A1061794). S.S.R.O. acknowledges support from NSF grants 1748571, 2107942, and 2107340. |
| This paper makes use of the following ALMA data: ADS/JAO.ALMA#2018.1.00302.S. ALMA is a partnership of ESO (representing its member states), NSF (USA), and NINS (Japan), together with NRC (Canada), MOST and ASIAA (Taiwan), and KASI (Republic of Korea), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO, and NAOJ. This work has been supported by the National Key R&D Program of China (No. 2022YFA1603101). T.L. acknowledges support from the National Natural Science Foundation of China (NSFC), through grants No. 12073061 and No. 12122307, the international partnership program of the Chinese Academy of Sciences, through grant No. 114231KYSB20200009, and the Shanghai Pujiang Program 20PJ1415500. S.S.R.O. and A.T.L. are supported in part by NSF 1748571. The simulations of Lee et al. () were done at the Massachusetts Green High Performance Computing Center (GHPCC LoneStar5) and the Texas Advanced Computing Center (TACC Stampede2). D.J. is supported by NRC Canada and by an NSERC Discovery Grant. This research was carried out in part at the Jet Propulsion Laboratory, which is operated by the California Institute of Technology under a contract with the National Aeronautics and Space Administration (80NM0018D0004). X.L. acknowledges support from NSFC, No. 12203086, and CPSF, No. 2022M723278. P.S. was partially supported by a Grant-in-Aid for Scientific Research (KAKENHI Numbers JP22H01271 and JP23H01221) of the Japan Society for the Promotion of Science (JSPS). M.J. acknowledges support from the Academy of Finland, grant No. 348342. L.B. gratefully acknowledges support from the ANID BASAL project FB210003. D.S. acknowledges support from the Ramanujan Fellowship (SERB, Govt. of India) and PRL. D.W.T. wishes to thank the UK Science and Technology Facilities Council (STFC) for support under grant No. ST/R000786/1. K.T. was supported by JSPS KAKENHI (grant No. JP20H05645). N.H. acknowledges NSTC 110- 2112-M-001-048 and NSTC 111-2112-M-001-060 grants.W.K. was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (NRF-2021R1F1A1061794). S.S.R.O. acknowledges support from NSF grants 1748571, 2107942, and 2107340. |
