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| DOI | 10.3847/1538-4357/AD8228 | ||||
| Año | 2024 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
We present a catalog of clouds identified from the (CO)-C-12 (1-0) data of M83, which was observed using the Atacama Large Millimeter/submillimeter Array with a spatial resolution of similar to 46 pc and a mass sensitivity of similar to 10(4)M(circle dot) (3 sigma). The almost full-disk coverage and high sensitivity of the data allowed us to sample 5724 molecular clouds with a median mass of similar to 1.9 <bold>x</bold> 10(5)M(circle dot), which is comparable to the most frequently sampled mass of giant molecular clouds by surveys in the Milky Way (MW). About 60% of the total CO luminosity in M83's disk arises from clouds more massive than 10(6)M(circle dot). Such massive clouds comprise 16% of the total clouds in number and tend to concentrate toward the arm, bar, and center, while smaller clouds are more prevalent in interarm regions. Most >10(6)M(circle dot) clouds have peak brightness temperatures T-peak above 2 K with the current resolution. Comparing the observed cloud properties with the scaling relations determined by P. M. Solomon et al. (1987, hereafter S87), T-peak > 2 K clouds follow the relations, but T-peak < 2 K clouds, which are dominant in number, deviate significantly. Without considering the effect of beam dilution, the deviations would suggest modestly high virial parameters (median alpha(vir) similar to 2.7) and low surface mass densities (median Sigma similar to 22 M-circle dot pc(-2)) for the entire cloud samples, which are similar to values found for the MW clouds by T. S. Rice et al. (2016) and M.-A Miville-Desch & ecirc;nes et al. (2017). However, once beam dilution is taken into account, the observed alpha(vir) and Sigma for a majority of the clouds (mostly T-peak <2 K) can be potentially explained with intrinsic Sigma of similar to 100 M-circle dot pc(-2) and alpha(vir) of similar to 1, which are similar to the clouds of S87.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Hirota, A. | Hombre |
Atacama Large Millimeter Array - Chile
Natl Astron Observ Japan - Japón Atacama Large Millimeter-submillimeter Array - Chile National Institutes of Natural Sciences - National Astronomical Observatory of Japan - Japón |
| 2 | Koda, J. | Mujer |
SUNY Stony Brook - Estados Unidos
Stony Brook University - Estados Unidos |
| 3 | Egusa, Fumi | Mujer |
Univ Tokyo - Japón
The University of Tokyo - Japón |
| 4 | Sawada, Tsuyoshi | Hombre |
Atacama Large Millimeter Array - Chile
Natl Astron Observ Japan - Japón Atacama Large Millimeter-submillimeter Array - Chile National Institutes of Natural Sciences - National Astronomical Observatory of Japan - Japón |
| 5 | Sakamoto, K. | Hombre |
Acad Sinica - Taiwán
Academia Sinica, Institute of Astronomy and Astrophysics - Taiwán |
| 6 | Heyer, Mark | Hombre |
Univ Massachusetts Amherst - Estados Unidos
University of Massachusetts Amherst - Estados Unidos |
| 7 | Lee, Amanda M. | Mujer |
SUNY Stony Brook - Estados Unidos
Univ Massachusetts Amherst - Estados Unidos Stony Brook University - Estados Unidos University of Massachusetts Amherst - Estados Unidos |
| 8 | Maeda, Fumiya | - |
Univ Tokyo - Japón
Osaka Electrocommun Univ - Japón The University of Tokyo - Japón Osaka Electro-Communication University - Japón |
| 9 | Boissier, S. | Hombre |
Aix Marseille Univ - Francia
Laboratoire d'Astrophysique de Marseille - Francia |
| 10 | Calzetti, Daniela | Mujer |
Univ Massachusetts Amherst - Estados Unidos
University of Massachusetts Amherst - Estados Unidos |
| 11 | Elmegreen, B. G. | Hombre |
Grad Univ Adv Studies - Japón
The Graduate University for Advanced Studies - Japón |
| 12 | Harada, Nanase | - |
Natl Astron Observ Japan - Japón
Grad Univ Adv Studies - Japón National Institutes of Natural Sciences - National Astronomical Observatory of Japan - Japón The Graduate University for Advanced Studies - Japón |
| 13 | Ho, Luis C. | - |
Peking Univ - China
Peking University - China |
| 14 | Kobayashi, Masato I. N. | Hombre |
Univ Cologne - Alemania
Universität zu Köln - Alemania |
| 15 | Kuno, Nario | - |
UNIV TSUKUBA - Japón
University of Tsukuba - Japón |
| 16 | Madore, B. F. | Hombre |
Carnegie Inst Sci - Estados Unidos
UNIV CHICAGO - Estados Unidos Carnegie Observatories - Estados Unidos The Department of Astronomy and Astrophysics, The University of Chicago - Estados Unidos |
| 17 | Martin, Sergio | - |
Atacama Large Millimeter Array - Chile
European Southern Observ - Chile Atacama Large Millimeter-submillimeter Array - Chile European Southern Observatory Santiago - Chile |
| 18 | Meyer, Jennifer Donovan | - |
Natl Radio Astron Observ - Estados Unidos
National Radio Astronomy Observatory - Estados Unidos |
| 18 | Donovan Meyer, Jennifer | - |
National Radio Astronomy Observatory - Estados Unidos
|
| 19 | Muraoka, Kazuyuki | Hombre |
Osaka Metropolitan Univ - Japón
Osaka Metropolitan University - Japón |
| 20 | Watanabe, Yoshimasa | Hombre |
Shibaura Inst Technol - Japón
Shibaura Institute of Technology - Japón |
| Fuente |
|---|
| National Natural Science Foundation of China |
| National science foundation of China |
| National Key R&D Program of China |
| National Science Foundation |
| National Key Research and Development Program of China |
| JSPS KAKENHI |
| Japan Society for the Promotion of Science |
| Ministry of Education, Culture, Sports, Science and Technology |
| ASIAA |
| Korea Astronomy and Space Science Institute |
| National Radio Astronomy Observatory |
| National Institutes of Natural Sciences |
| National Research Council Canada |
| Ministry of Science and Technology, Taiwan |
| ALMA |
| National Astronomical Observatory of Japan |
| Ministry of Education, Culture, Sports, Science, and Technology of Japan |
| Associated Universities |
| China Manned Space Project |
| Agradecimiento |
|---|
| We thank the anonymous referee for carefully checking the manuscript. This paper makes use of the following ALMA data: ADS/JAO.ALMA No. 2017.1.00079.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. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. This research made use of astrodendro, a Python package to compute dendrograms of Astronomical data (http://www.dendrograms.org/). This research made use of APLpy, an open-source plotting package for Python (T. Robitaille & E. Bressert 2012; T. Robitaille 2019). F.E. is supported by JSPS KAKENHI grant No. 20H00172. L.C.H. was supported by the National Science Foundation of China (grant Nos. 11991052, 12011540375, and 12233001), the National Key R&D Program of China (grant No. 2022YFF0503401), and the China Manned Space Project (grant Nos. CMS-CSST-2021-A04 and CMS-CSST-2021-A06). M.I.N.K. is supported by Grants-in-Aid from the Ministry of Education, Culture, Sports, Science, and Technology of Japan (grant No. JP22K14080). |
| We thank the anonymous referee for carefully checking the manuscript. This paper makes use of the following ALMA data: ADS/JAO.ALMA No. 2017.1.00079.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. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. This research made use of astrodendro , a Python package to compute dendrograms of Astronomical data ( http://www.dendrograms.org/ ). This research made use of APLpy, an open-source plotting package for Python (T. Robitaille & E. Bressert ; T. Robitaille ). F.E. is supported by JSPS KAKENHI grant No. 20H00172. L.C.H. was supported by the National Science Foundation of China (grant Nos. 11991052, 12011540375, and 12233001), the National Key R&D Program of China (grant No. 2022YFF0503401), and the China Manned Space Project (grant Nos. CMS-CSST-2021-A04 and CMS-CSST-2021-A06). M.I.N.K. is supported by Grants-in-Aid from the Ministry of Education, Culture, Sports, Science, and Technology of Japan (grant No. JP22K14080). |
| We thank the anonymous referee for carefully checking the manuscript. This paper makes use of the following ALMA data: ADS/JAO.ALMA No. 2017.1.00079.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. The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc. This research made use of astrodendro , a Python package to compute dendrograms of Astronomical data ( http://www.dendrograms.org/ ). This research made use of APLpy, an open-source plotting package for Python (T. Robitaille & E. Bressert ; T. Robitaille ). F.E. is supported by JSPS KAKENHI grant No. 20H00172. L.C.H. was supported by the National Science Foundation of China (grant Nos. 11991052, 12011540375, and 12233001), the National Key R&D Program of China (grant No. 2022YFF0503401), and the China Manned Space Project (grant Nos. CMS-CSST-2021-A04 and CMS-CSST-2021-A06). M.I.N.K. is supported by Grants-in-Aid from the Ministry of Education, Culture, Sports, Science, and Technology of Japan (grant No. JP22K14080). |