PMO OpenIR
Growth of a Massive Young Stellar Object Fed by a Gas Flow from a Companion Gas Clump
Chen, Xi1,2; Ren, Zhiyuan2,3; Zhang, Qizhou4; Shen, Zhiqiang1,2; Qiu, Keping5
2017-02-01
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume835Issue:2Pages:10
Corresponding AuthorChen, Xi()
AbstractWe present a Submillimeter Array (SMA) observation toward the young massive double-core system G350.69-0.49. This system consists of a northeast (NE) diffuse gas bubble and a southwest (SW) massive young stellar object (MYSO), both clearly seen in the Spitzer images. The SMA observations reveal a gas flow between the NE bubble and the SW MYSO in a broad velocity range from 5 to 30 km s(-1) with respect to the system velocity. The gas flow is well confined within the interval between the two objects and traces a significant mass transfer from the NE gas bubble to the SW massive core. The transfer flow can supply the material accreted onto the SW MYSO at a rate of 4.2. x. 10(-4). Me yr(-1). The whole system therefore suggests a mode for the mass growth in the MYSO from a gas transfer flow launched from its companion gas clump, despite the driving mechanism of the transfer flow not being fully determined from the current data.
Keywordbinaries: general infrared: ISM ISM: jets and outflows stars: formation
DOI10.3847/1538-4357/835/2/227
WOS KeywordTRIGGERED STAR-FORMATION ; BUBBLING GALACTIC DISK ; EXTENDED GREEN OBJECTS ; H II REGION ; COMPETITIVE ACCRETION ; INFRARED BUBBLE ; DARK CLOUDS ; CORES ; CATALOG ; PROTOSTARS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000401154800019
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23064
Collection中国科学院紫金山天文台
Corresponding AuthorChen, Xi
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, Nandan Rd 80, Shanghai, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Natl Astron Observat, Chaoyang Dist Datun Rd A20, Beijing, Peoples R China
4.Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA
5.Nanjing Univ, Sch Astron & Space Sci, 22 Hankou Rd, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Chen, Xi,Ren, Zhiyuan,Zhang, Qizhou,et al. Growth of a Massive Young Stellar Object Fed by a Gas Flow from a Companion Gas Clump[J]. ASTROPHYSICAL JOURNAL,2017,835(2):10.
APA Chen, Xi,Ren, Zhiyuan,Zhang, Qizhou,Shen, Zhiqiang,&Qiu, Keping.(2017).Growth of a Massive Young Stellar Object Fed by a Gas Flow from a Companion Gas Clump.ASTROPHYSICAL JOURNAL,835(2),10.
MLA Chen, Xi,et al."Growth of a Massive Young Stellar Object Fed by a Gas Flow from a Companion Gas Clump".ASTROPHYSICAL JOURNAL 835.2(2017):10.
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