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タイトルHigh-resolution far-infrared observations of the extended W51 complex
著者(英)Mcbreen, B.; Rengarajan, T. N.; Cheung, L. H.; Fazio, G. G.; Shivanandan, K.
著者所属(英)Tata Inst. of Fundamental Research|University Coll.|Harvard-Smithsonian Center for Astrophysics|Hulburt (E. O.) Center for Space Research
発行日1984-11-15
言語eng
内容記述A far-IR map with 1 arcmin resolution was obtained of the W51 H II region molecular cloud complex. The 40-120 microns survey was performed to study embedded sources which excite the H II gas. The far-IR emission distribution overlapped radio emissions from the region, implying that the extended dust clouds were heated by the same sources as the H II regions. Four compact sources were characterized and associated with concentrations of luminosities that suggested a scarcity of low-mass stars. The brightest source, labeled W51-I, has a luminosity/mass ratio of 150, high enough to indicate a burst of massive O star formation. No triggering mechanism was identified for the burst of star formation.
NASA分類ASTROPHYSICS
レポートNO85A21221
権利Copyright
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/393343


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