Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES project

M. Nonhebel et al.

Detalles Bibliográficos
Autores: Nonhebel, M., Colzi, Laura, Jiménez-Serra, Izaskun, Rivilla, Víctor M., Sánchez-Monge, Álvaro, Pineda, Jaime E.
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/381673
Acceso en línea:http://hdl.handle.net/10261/381673
https://api.elsevier.com/content/abstract/scopus_id/85208675590
Access Level:acceso abierto
Palabra clave:Galaxy: center
ISM: bubbles
ISM: clouds
ISM: kinematics and dynamics
ISM: supernova remnants
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dc.title.none.fl_str_mv Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES project
title Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES project
spellingShingle Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES project
Nonhebel, M.
Galaxy: center
ISM: bubbles
ISM: clouds
ISM: kinematics and dynamics
ISM: supernova remnants
title_short Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES project
title_full Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES project
title_fullStr Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES project
title_full_unstemmed Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES project
title_sort Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES project
dc.creator.none.fl_str_mv Nonhebel, M.
Colzi, Laura
Jiménez-Serra, Izaskun
Rivilla, Víctor M.
Sánchez-Monge, Álvaro
Pineda, Jaime E.
author Nonhebel, M.
author_facet Nonhebel, M.
Colzi, Laura
Jiménez-Serra, Izaskun
Rivilla, Víctor M.
Sánchez-Monge, Álvaro
Pineda, Jaime E.
author_role author
author2 Colzi, Laura
Jiménez-Serra, Izaskun
Rivilla, Víctor M.
Sánchez-Monge, Álvaro
Pineda, Jaime E.
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Royal Society (UK)
Max Planck Society
European Commission
Ministerio de Ciencia e Innovación (España)
Agencia Estatal de Investigación (España)
National Science Foundation (US)
European Research Council
Ministerio de Ciencia, Innovación y Universidades (España)
Consejo Superior de Investigaciones Científicas (España)
Nonhebel, M. [0000-0001-9281-2919]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Galaxy: center
ISM: bubbles
ISM: clouds
ISM: kinematics and dynamics
ISM: supernova remnants
topic Galaxy: center
ISM: bubbles
ISM: clouds
ISM: kinematics and dynamics
ISM: supernova remnants
description M. Nonhebel et al.
publishDate 2024
dc.date.none.fl_str_mv 2024
2025
2025
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dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/381673
https://api.elsevier.com/content/abstract/scopus_id/85208675590
url http://hdl.handle.net/10261/381673
https://api.elsevier.com/content/abstract/scopus_id/85208675590
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The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI 10.1051/0004-6361/202451190
https://doi.org/10.1051/0004-6361/202451190
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spelling Disruption of a massive molecular cloud by a supernova in the Galactic Centre: Initial results from the ACES projectNonhebel, M.Colzi, LauraJiménez-Serra, IzaskunRivilla, Víctor M.Sánchez-Monge, ÁlvaroPineda, Jaime E.Galaxy: centerISM: bubblesISM: cloudsISM: kinematics and dynamicsISM: supernova remnantsM. Nonhebel et al.The Milky Way's Central Molecular Zone (CMZ) differs dramatically from our local solar neighbourhood, both in the extreme interstellar medium conditions it exhibits (e.g. high gas, stellar, and feedback density) and in the strong dynamics at play (e.g. due to shear and gas influx along the bar). Consequently, it is likely that there are large-scale physical structures within the CMZ that cannot form elsewhere in the Milky Way. In this paper, we present new results from the Atacama Large Millimeter/submillimeter Array (ALMA) large programme ACES (ALMA CMZ Exploration Survey) and conduct a multi-wavelength and kinematic analysis to determine the origin of the M0.8-0.2 ring, a molecular cloud with a distinct ring-like morphology. We estimate the projected inner and outer radii of the M0.8-0.2 ring to be 79′′ and 154′′, respectively (3.1 pc and 6.1 pc at an assumed Galactic Centre distance of 8.2 kpc) and calculate a mean gas density >104 cm-3, a mass of ∼106 M⊙, and an expansion speed of ∼20 km s-1, resulting in a high estimated kinetic energy (>1051 erg) and momentum (>107 M⊙ km s-1). We discuss several possible causes for the existence and expansion of the structure, including stellar feedback and large-scale dynamics. We propose that the most likely cause of the M0.8-0.2 ring is a single high-energy hypernova explosion. To viably explain the observed morphology and kinematics, such an explosion would need to have taken place inside a dense, very massive molecular cloud, the remnants of which we now see as the M0.8-0.2 ring. In this case, the structure provides an extreme example of how supernovae can affect molecular clouds.We are grateful to the anonymous referee for their constructive and detailed suggestions, which helped significantly improve the quality of this paper. This paper makes use of the following ALMA data: ADS/JAO.ALMA#2021.1.00172.L ALMA is a partnership of ESO (representing its member states), NSF (USA) and NINS (Japan), together with NRC (Canada), NSTC 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 project made use of the ASTROPY, APLPY, PYSPECKIT, SPECTRALRADEX python packages (Astropy Collaboration 2013, 2018, 2022; Robitaille & Bressert 2012; Ginsburg & Mirocha 2011; Ginsburg et al. 2022; Holdship et al. 2021). L.C., I.J-S., and V.M.R. acknowledge funding from grants No. PID2019-105552RB-C41 and PID2022-136814NB-I00 by the Spanish Ministry of Science, Innovation and Universities/State Agency of Research MICIU/AEI/10.13039/501100011033 and by ERDF, UE. V.M.R. also acknowledges support from the grant number RYC2020-029387-I funded by MICIU/AEI/10.13039/501100011033 and by “ESF, Investing in your future”, and from the Consejo Superior de Investigaciones Científicas (CSIC) and the Centro de Astrobiología (CAB) through the project 20225AT015 (Proyectos intramurales especiales del CSIC). A.S.-M. acknowledges support from the RyC2021-032892-I grant funded by MCIN/AEI/10.13039/501100011033 and by the European Union ‘Next GenerationEU’/PRTR, as well as the program Unidad de Excelencia María de Maeztu CEX2020-001058-M, and support from the PID2020-117710GB-I00 (MCI-AEI-FEDER, UE). A.G. and M.G.S.M. acknowledge support from the NSF under grants AAG 2008101, 2206511, and CAREER 2142300. FHL acknowledges support from the ESO Studentship Programme. JDH gratefully acknowledges financial support from the Royal Society (University Research Fellowship; URF/R1/221620). MCS acknowledges financial support from the European Research Council under the ERC Starting Grant “GalFlow” (grant 101116226). JEP was supported by the Max-Planck Society. C.B. gratefully acknowledges funding from National Science Foundation under Award Nos. 2108938, 2206510, and CAREER 2145689, as well as from the National Aeronautics and Space Administration through the Astrophysics Data Analysis Program under Award “3-D MC: Mapping Circumnuclear Molecular Clouds from X-ray to Radio”, Grant No. 80NSSC22K1125. M.N. and F.W.X. acknowledge funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No. 101004719 (ORP). J.M.D.K. gratefully acknowledges funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme via the ERC Starting Grant MUSTANG (grant agreement number 714907). COOL Research DAO is a Decentralised Autonomous Organisation supporting research in astrophysics aimed at uncovering our cosmic origins. E.A.C.M. gratefully acknowledges funding from the National Science Foundation under Award No. 2206509. J.W. gratefully acknowledges funding from National Science Foundation under Award Nos. 2108938 and 2206510.With funding from the Spanish government through the "María de Maeztu Unit of Excellence" accreditation (CEX2020-001058-M)Peer reviewedEDP SciencesRoyal Society (UK)Max Planck SocietyEuropean CommissionMinisterio de Ciencia e Innovación (España)Agencia Estatal de Investigación (España)National Science Foundation (US)European Research CouncilMinisterio de Ciencia, Innovación y Universidades (España)Consejo Superior de Investigaciones Científicas (España)Nonhebel, M. [0000-0001-9281-2919]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/381673https://api.elsevier.com/content/abstract/scopus_id/85208675590reponame:DIGITAL.CSIC. 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