PMO OpenIR  > 太阳活动的多波段观测研究团组
OUTFLOWS AND BUBBLES IN TAURUS: STAR-FORMATION FEEDBACK SUFFICIENT TO MAINTAIN TURBULENCE
Li, Huixian1,2,3; Li, Di1,2,4; Qian, Lei1,2; Xu, Duo1,3,5; Goldsmith, Paul F.6; Noriega-Crespo, Alberto7,8; Wu, Yuefang9; Song, Yuzhe5; Nan, Rendong1,2
2015-08-01
Source PublicationASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
Volume219Issue:2
AbstractWe have identified outflows and bubbles in the Taurus molecular cloud based on the similar to 100 deg(2) Five College Radio Astronomy Observatory (CO)-C-12(1-0) and (CO)-C-13(1-0) maps and the Spitzer young stellar object catalogs. In the main 44 deg(2) area of Taurus, we found 55 outflows, of which 31 were previously unknown. We also found 37 bubbles in the entire 100 deg(2) area of Taurus, none of which had been found previously. The total kinetic energy of the identified outflows is estimated to be similar to 3.9 x 10(45) erg, which is 1% of the cloud turbulent energy. The total kinetic energy of the detected bubbles is estimated to be similar to 9.2 x 10(46) erg, which is 29% of the turbulent energy of Taurus. The energy injection rate from the outflows is similar to 1.3 x 10(33) erg s(-1), which is 0.4-2 times the dissipation rate of the cloud turbulence. The energy injection rate from bubbles is similar to 6.4 x 10(33) erg s(-1), which is 2-10 times the turbulent dissipation rate of the cloud. The gravitational binding energy of the cloud is similar to 1.5 x 10(48) erg, that is, 385 and 16 times the energy of outflows and bubbles, respectively. We conclude that neither outflows nor bubbles can provide sufficient energy to balance the overall gravitational binding energy and the turbulent energy of Taurus. However, in the current epoch, stellar feedback is sufficient to maintain the observed turbulence in Taurus.
KeywordIsm: Bubbles Ism: Individual Objects (Taurus) Ism: Jets And Outflows Ism: Kinematics And Dynamics Surveys Turbulence
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1088/0067-0049/219/2/20
WOS KeywordVELOCITY MOLECULAR GAS ; YOUNG STELLAR OBJECTS ; SCALE STRUCTURE ; GALACTIC DISK ; DENSE CORES ; CLOUD CORE ; DRIVEN ; CANDIDATES ; PERSEUS ; PROTOSTARS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000361876600006
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/16025
Collection太阳活动的多波段观测研究团组
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Space Sci Inst, Boulder, CO USA
5.Nanjing Univ, Nanjing 210093, Jiangsu, Peoples R China
6.CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
7.CALTECH, IPAC, Pasadena, CA 91125 USA
8.Space Telescope Sci Inst, JWST, Baltimore, MD 21218 USA
9.Peking Univ, Dept Astron, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Li, Huixian,Li, Di,Qian, Lei,et al. OUTFLOWS AND BUBBLES IN TAURUS: STAR-FORMATION FEEDBACK SUFFICIENT TO MAINTAIN TURBULENCE[J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,2015,219(2).
APA Li, Huixian.,Li, Di.,Qian, Lei.,Xu, Duo.,Goldsmith, Paul F..,...&Nan, Rendong.(2015).OUTFLOWS AND BUBBLES IN TAURUS: STAR-FORMATION FEEDBACK SUFFICIENT TO MAINTAIN TURBULENCE.ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES,219(2).
MLA Li, Huixian,et al."OUTFLOWS AND BUBBLES IN TAURUS: STAR-FORMATION FEEDBACK SUFFICIENT TO MAINTAIN TURBULENCE".ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 219.2(2015).
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