Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104

[Context] The study of disks around early-type (proto)stars has recently been boosted by a new generation of instruments, and additional evidence has been found of disk+jet systems around stars of up to ∼20 M⊙. These results appear to confirm theoretical predictions that even the most massive stars...

Descripción completa

Detalles Bibliográficos
Autores: Cesaroni, R., Galli, Daniele, Padovani, Marco, Rivilla, Víctor M., Sánchez-Monge, Álvaro
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/385385
Acceso en línea:http://hdl.handle.net/10261/385385
https://api.elsevier.com/content/abstract/scopus_id/85215385453
Access Level:acceso abierto
Palabra clave:Accretion, accretion disks
ISM: jets and outflows
Stars: formation
Stars: massive
id ES_cc7b76229f931a7a8ffe341c2db36d5a
oai_identifier_str oai:digital.csic.es:10261/385385
network_acronym_str ES
network_name_str España
repository_id_str
dc.title.none.fl_str_mv Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104
title Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104
spellingShingle Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104
Cesaroni, R.
Accretion, accretion disks
ISM: jets and outflows
Stars: formation
Stars: massive
title_short Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104
title_full Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104
title_fullStr Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104
title_full_unstemmed Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104
title_sort Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104
dc.creator.none.fl_str_mv Cesaroni, R.
Galli, Daniele
Padovani, Marco
Rivilla, Víctor M.
Sánchez-Monge, Álvaro
author Cesaroni, R.
author_facet Cesaroni, R.
Galli, Daniele
Padovani, Marco
Rivilla, Víctor M.
Sánchez-Monge, Álvaro
author_role author
author2 Galli, Daniele
Padovani, Marco
Rivilla, Víctor M.
Sánchez-Monge, Álvaro
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
Agencia Estatal de Investigación (España)
European Commission
Consejo Superior de Investigaciones Científicas (España)
CSIC-INTA - Centro de Astrobiología (CAB)
Ministerio de Ciencia e Innovación (España)
Cesaroni, R. [0000-0002-2430-5103]
Galli, Daniele [0000-0001-7706-6049]
Padovani, Marco [0000-0003-2303-0096]
Rivilla, Víctor M. [0000-0002-2887-5859]
Sánchez-Monge, Álvaro [0000-0002-3078-9482]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Accretion, accretion disks
ISM: jets and outflows
Stars: formation
Stars: massive
topic Accretion, accretion disks
ISM: jets and outflows
Stars: formation
Stars: massive
description [Context] The study of disks around early-type (proto)stars has recently been boosted by a new generation of instruments, and additional evidence has been found of disk+jet systems around stars of up to ∼20 M⊙. These results appear to confirm theoretical predictions that even the most massive stars may form though disk-mediated accretion.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025
2025
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/385385
https://api.elsevier.com/content/abstract/scopus_id/85215385453
url http://hdl.handle.net/10261/385385
https://api.elsevier.com/content/abstract/scopus_id/85215385453
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
#PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-136814NB-I00
info:eu-repo/grantAgreement/MICIU//RYC2020-029387-I
info:eu-repo/grantAgreement/MICIN//RyC2021-032892-I
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/CEX2020-001058-M
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-117710GB-I00
The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI 10.1051/0004-6361/202452686
https://doi.org/10.1051/0004-6361/202452686
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869419723848941568
spelling Dissecting the disk and the jet of a massive (proto)star: an ALMA view of IRAS 20126+4104Cesaroni, R.Galli, DanielePadovani, MarcoRivilla, Víctor M.Sánchez-Monge, ÁlvaroAccretion, accretion disksISM: jets and outflowsStars: formationStars: massive[Context] The study of disks around early-type (proto)stars has recently been boosted by a new generation of instruments, and additional evidence has been found of disk+jet systems around stars of up to ∼20 M⊙. These results appear to confirm theoretical predictions that even the most massive stars may form though disk-mediated accretion.[Aims] We want to investigate one of the best examples of disk+jet systems around an early B-type (proto)star, IRAS 20126+4104. The relatively simple structure of this object and its relative proximity to Earth (1.64 kpc) make it an ideal target for resolution of its disk and the determination of its physical and kinematical structure.[Methods] Despite the high declination of IRAS 20126+4104, it has been possible to perform successful observations with the Atacama Large Millimeter and submillimeter Array at 1.4 mm in the continuum emission and a number of molecular tracers of high-density gas (for the disk) and shocked gas (for the jet).[Results] The new data allow us to improve on previous similar observations of IRAS 20126+4104 and confirm the existence of a Keplerian accretion disk around a ∼12 M⊙ (proto)star. From methyl cyanide, we derived the rotation temperature and column density as a function of disk radius. We also obtained a map of the same quantities for the jet using the ratio between two lines of formaldehyde. We also use two simple models of the jet and the disk to estimate the basic geometrical and kinematical parameters of the two. From the temperature and column density profiles, we conclude that the disk is stable at all radii. We also estimate an accretion rate of ∼10-3 M⊙ yr-1.[Conclusions] Our analysis confirms that the jet from IRAS 20126+4104 is highly collimated, lies close to the plane of the sky, and expands with velocity increasing with distance. As expected, the gas temperature and column density peak in the bow shock. The disk is undergoing Keplerian rotation but a non-negligible radial velocity component is also present that is equal to ∼40% of the rotational component. The disk is slightly inclined with respect to the line of sight and has a dusty envelope that absorbs the emission from the disk surface. This causes a slight distortion of the disk structure observed in high-density tracers such as methyl cyanide. We also reveal a significant deviation from axial symmetry in the SW part of the disk, which might be caused by either tidal interaction with a nearby, lower-mass companion or interaction with the outflowing gas of the jet.V.M.R. acknowledges support from the grant 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; the grant 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); and from the grant CNS2023-144464 funded by MICIU/AEI/10.13039/501100011033 and by “European Union NextGenerationEU/PRTR”. 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). This paper makes use of the following ALMA data: ADS/JAO.ALMA#2016.1.00595.S and ADS/JAO.ALMA#2019.1.00199.S. ALMA is a partnership of ESO (representing its member states), NSF (USA) and NINS (Japan), together with NRC (Canada), NSC 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.With funding from the Spanish government through the "María de Maeztu Unit of Excellence" accreditation (CEX2020-001058-M).Peer reviewedEDP SciencesMinisterio de Ciencia, Innovación y Universidades (España)Agencia Estatal de Investigación (España)European CommissionConsejo Superior de Investigaciones Científicas (España)CSIC-INTA - Centro de Astrobiología (CAB)Ministerio de Ciencia e Innovación (España)Cesaroni, R. [0000-0002-2430-5103]Galli, Daniele [0000-0001-7706-6049]Padovani, Marco [0000-0003-2303-0096]Rivilla, Víctor M. [0000-0002-2887-5859]Sánchez-Monge, Álvaro [0000-0002-3078-9482]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202520252025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/385385https://api.elsevier.com/content/abstract/scopus_id/85215385453reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-136814NB-I00info:eu-repo/grantAgreement/MICIU//RYC2020-029387-Iinfo:eu-repo/grantAgreement/MICIN//RyC2021-032892-Iinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/CEX2020-001058-Minfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-117710GB-I00The underlying dataset has been published as supplementary material of the article in the publisher platform at DOI 10.1051/0004-6361/202452686https://doi.org/10.1051/0004-6361/202452686Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3853852026-05-22T06:33:51Z
score 15,811543

Similares en LA Referencia