O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3

6 pags., 4 figs., 1 tab.

Detalhes bibliográficos
Autores: Agúndez, Marcelino, Marcelino, Nuria, Tercero, Belén, Cabezas, Carlos, Vicente, P. de, Cernicharo, José
Tipo de documento: artigo
Estado:Versão publicada
Data de publicação:2021
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositório:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/258132
Acesso em linha:http://hdl.handle.net/10261/258132
Access Level:Acceso aberto
Palavra-chave:Astrochemistry
Line: identification
ISM: individual objects: TMC-1
ISM: molecules
Radio lines: ISM
id ES_f46abc1d93d7f4765ffad0df50a6df01
oai_identifier_str oai:digital.csic.es:10261/258132
network_acronym_str ES
network_name_str España
repository_id_str
spelling O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3Agúndez, MarcelinoMarcelino, NuriaTercero, BelénCabezas, CarlosVicente, P. deCernicharo, JoséAstrochemistryLine: identificationISM: individual objects: TMC-1ISM: moleculesRadio lines: ISM6 pags., 4 figs., 1 tab.We report the detection of the oxygen-bearing complex organic molecules propenal (C2H3CHO), vinyl alcohol (C2H3OH), methyl formate (HCOOCH3), and dimethyl ether (CH3OCH3) toward the cyanopolyyne peak of the starless core TMC-1. These molecules were detected through several emission lines in a deep Q-band line survey of TMC-1 carried out with the Yebes 40m telescope. These observations reveal that the cyanopolyyne peak of TMC-1, which is a prototype of a cold dark cloud rich in carbon chains, also contains O-bearing complex organic molecules such as HCOOCH3 and CH3OCH3, which have previously been seen in a handful of cold interstellar clouds. In addition, this is the first secure detection of C2H3OH in space and the first time that C2H3CHO and C2H3OH have been detected in a cold environment, adding new pieces to the puzzle of complex organic molecules in cold sources. We derive column densities of (2.2 ± 0.3) × 1011 cm-2, (2.5 ± 0.5) × 1012 cm-2, (1.1 ± 0.2) × 1012 cm-2, and (2.5 ± 0.7) × 1012 cm-2 for C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3, respectively. Interestingly, C2H3OH has an abundance similar to that of its well-known isomer acetaldehyde (CH3CHO), with C2H3OH/CH3CHO ∼1 at the cyanopolyyne peak. We discuss potential formation routes to these molecules and recognize that further experimental, theoretical, and astronomical studies are needed to elucidate the true formation mechanism of these O-bearing complex organic molecules in cold interstellar sources.We acknowledge funding support from Spanish MICIU through grants AYA2016-75066-C2-1-P, PID2019-106110GB-I00, PID2019- 106235GB-I00, and PID2019-107115GB-C21 and from the European Research Council (ERC Grant 610256: NANOCOSMOS). M. A. also acknowledges funding support from the Ramón y Cajal programme of Spanish MICIU (grant RyC2014-16277).EDP SciencesMinisterio de Ciencia, Innovación y Universidades (España)European CommissionConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2022202220212022info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/258132reponame: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/MINECO//AYA2016-75066-C2-1-Pinfo:eu-repo/grantAgreement/MICIU//PID2019-106110GB-I00info:eu-repo/grantAgreement/MICIU//PID2019-106235GB-I00info:eu-repo/grantAgreement/MICIU//PID2019-107115GB-C21info:eu-repo/grantAgreement/EC/FP7/610256http://dx.doi.org/10.1051/0004-6361/202140978Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/2581322026-05-22T06:33:51Z
dc.title.none.fl_str_mv O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3
title O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3
spellingShingle O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3
Agúndez, Marcelino
Astrochemistry
Line: identification
ISM: individual objects: TMC-1
ISM: molecules
Radio lines: ISM
title_short O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3
title_full O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3
title_fullStr O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3
title_full_unstemmed O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3
title_sort O-bearing complex organic molecules at the cyanopolyyne peak of TMC-1: Detection of C2H3CHO, C2H3OH, HCOOCH3, and CH3OCH3
dc.creator.none.fl_str_mv Agúndez, Marcelino
Marcelino, Nuria
Tercero, Belén
Cabezas, Carlos
Vicente, P. de
Cernicharo, José
author Agúndez, Marcelino
author_facet Agúndez, Marcelino
Marcelino, Nuria
Tercero, Belén
Cabezas, Carlos
Vicente, P. de
Cernicharo, José
author_role author
author2 Marcelino, Nuria
Tercero, Belén
Cabezas, Carlos
Vicente, P. de
Cernicharo, José
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia, Innovación y Universidades (España)
European Commission
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Astrochemistry
Line: identification
ISM: individual objects: TMC-1
ISM: molecules
Radio lines: ISM
topic Astrochemistry
Line: identification
ISM: individual objects: TMC-1
ISM: molecules
Radio lines: ISM
description 6 pags., 4 figs., 1 tab.
publishDate 2021
dc.date.none.fl_str_mv 2021
2022
2022
2022
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/10261/258132
url http://hdl.handle.net/10261/258132
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/MINECO//AYA2016-75066-C2-1-P
info:eu-repo/grantAgreement/MICIU//PID2019-106110GB-I00
info:eu-repo/grantAgreement/MICIU//PID2019-106235GB-I00
info:eu-repo/grantAgreement/MICIU//PID2019-107115GB-C21
info:eu-repo/grantAgreement/EC/FP7/610256
http://dx.doi.org/10.1051/0004-6361/202140978
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
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_ 1869424470717890560
score 15,812429

Registros relacionados