{"created":"2021-03-01T06:34:17.913665+00:00","id":26374,"links":{},"metadata":{"_buckets":{"deposit":"20d1e990-4d6a-4193-a29a-77a6d777571a"},"_deposit":{"id":"26374","owners":[],"pid":{"revision_id":0,"type":"depid","value":"26374"},"status":"published"},"_oai":{"id":"oai:nagoya.repo.nii.ac.jp:00026374","sets":["2026:2027:2028"]},"author_link":["85313","85314","85315","85316","85317","85318","85319","85320","85321","85322","85323","85324","85325","85326","85327","85328","85329","85330","85331","85332","85333","85334","85335","85336"],"item_10_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2018-05","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"SP2","bibliographicPageStart":"S43","bibliographicVolumeNumber":"70","bibliographic_titles":[{"bibliographic_title":"Publications of the Astronomical Society of Japan","bibliographic_titleLang":"en"}]}]},"item_10_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"A collision between two molecular clouds is one possible candidate for high-mass star formation. The H ii region RCW 36, located in the Vela molecular ridge, contains a young star cluster (∼ 1 Myr old) and two O-type stars. We present new CO observations of RCW 36 made with NANTEN2, Mopra, and ASTE using 12CO(J = 1–0, 2–1, 3–2) and 13CO(J = 2–1) emission lines. We have discovered two molecular clouds lying at the velocities VLSR ∼  5.5 and 9 km s^−1. Both clouds are likely to be physically associated with the star cluster, as verified by the good spatial correspondence among the two clouds, infrared filaments, and the star cluster. We also found a high intensity ratio of ∼ 0.6–1.2 for CO J = 3–2/1–0 toward both clouds, indicating that the gas temperature has been increased due to heating by the O-type stars. We propose that the O-type stars in RCW 36 were formed by a collision between the two clouds, with a relative velocity separation of 5 km s^−1. The complementary spatial distributions and the velocity separation of the two clouds are in good agreement with observational signatures expected for O-type star formation triggered by a cloud–cloud collision. We also found a displacement between the complementary spatial distributions of the two clouds, which we estimate to be 0.3 pc assuming the collision angle to be 45° relative to the line-of-sight. We estimate the collision timescale to be ∼ 10^5 yr. It is probable that the cluster age found by Ellerbroek et al. (2013b, A&A, 558, A102) is dominated by the low-mass members which were not formed under the triggering by cloud–cloud collision, and that the O-type stars in the center of the cluster are explained by the collisional triggering independently from the low-mass star formation.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10_description_5":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"ファイル公開：2019-05-01","subitem_description_language":"ja","subitem_description_type":"Other"}]},"item_10_publisher_32":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Oxford University Press","subitem_publisher_language":"en"}]},"item_10_relation_11":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1093/pasj/psy006","subitem_relation_type_select":"DOI"}}]},"item_10_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"This is a pre-copyedited, author-produced version of an article accepted for publication in [Publications of the Astronomical Society of Japan] following peer review. The version of record [Publications of the Astronomical Society of Japan. v.70, n.SP2, 2018, p.S43] is available online at: http://doi.org/10.1093/pasj/psy006.","subitem_rights_language":"en"}]},"item_10_select_15":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"author"}]},"item_10_source_id_61":{"attribute_name":"ISSN（print）","attribute_value_mlt":[{"subitem_source_identifier":"0004-6264","subitem_source_identifier_type":"PISSN"}]},"item_10_source_id_62":{"attribute_name":"ISSN（Online）","attribute_value_mlt":[{"subitem_source_identifier":"2053-051X","subitem_source_identifier_type":"EISSN"}]},"item_1615787544753":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open 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Shinji","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"85324","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Nishimura, Atsushi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"85325","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ohama, Akio","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"85326","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Tachihara, Kengo","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"85327","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Torii, Kazufumi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"85328","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Hasegawa, Yutaka","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"85329","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kimura, 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Yasuo","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"85336","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2019-05-01"}],"displaytype":"detail","filename":"sano_2018_PASJ_70_S43.pdf","filesize":[{"value":"8.3 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"sano_2018_PASJ_70_S43","objectType":"fulltext","url":"https://nagoya.repo.nii.ac.jp/record/26374/files/sano_2018_PASJ_70_S43.pdf"},"version_id":"95af0612-e605-41fe-b5d1-5af62c392ffe"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"RCW 36 in the Vela Molecular Ridge: Evidence for high-mass star-cluster formation triggered by cloud–cloud collision","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"RCW 36 in the Vela Molecular Ridge: Evidence for high-mass star-cluster formation triggered by cloud–cloud collision","subitem_title_language":"en"}]},"item_type_id":"10","owner":"1","path":["2028"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2018-09-13"},"publish_date":"2018-09-13","publish_status":"0","recid":"26374","relation_version_is_last":true,"title":["RCW 36 in the Vela Molecular Ridge: Evidence for high-mass star-cluster formation triggered by cloud–cloud collision"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-01-16T04:29:19.632412+00:00"}