The velocity field and structure of the HH 7-HH 11 complex
An optical long slit spectra study has been conducted of the HH 7-HH 11 complex of Herbig-Haro objects; the spectra have yielded the position-dependence of line profiles, centroid velocity, velocity dispersions, and intensity ratios. These data pertain both to the HH objects and the diffuse matter f...
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| Veröffentlicht in: | Astron. J.; (United States) 1987-05, Vol.93, p.1172-1181 |
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| container_title | Astron. J.; (United States) |
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| creator | Solf, J. Boehm, K. H. |
| description | An optical long slit spectra study has been conducted of the HH 7-HH 11 complex of Herbig-Haro objects; the spectra have yielded the position-dependence of line profiles, centroid velocity, velocity dispersions, and intensity ratios. These data pertain both to the HH objects and the diffuse matter forming bridges between HH 7, HH 8, and HH 10. The complex appears to encompass two subsystems, of which one consists of only H 11 and exhibits much higher electron densities than the one containing HHs 7, 8 and 10. Three properties of the complex are surprising: (1) the large physical differences between the subsystems, (2) the homogeneity of the HH 7, 8, 10 subsystem, and (3) the fact that all objects, including HH 11, are low excitation objects. Three different scenarios are discussed which may account for these data. (O.C.) |
| doi_str_mv | 10.1086/114399 |
| format | Article |
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J.; (United States)</title><description>An optical long slit spectra study has been conducted of the HH 7-HH 11 complex of Herbig-Haro objects; the spectra have yielded the position-dependence of line profiles, centroid velocity, velocity dispersions, and intensity ratios. These data pertain both to the HH objects and the diffuse matter forming bridges between HH 7, HH 8, and HH 10. The complex appears to encompass two subsystems, of which one consists of only H 11 and exhibits much higher electron densities than the one containing HHs 7, 8 and 10. Three properties of the complex are surprising: (1) the large physical differences between the subsystems, (2) the homogeneity of the HH 7, 8, 10 subsystem, and (3) the fact that all objects, including HH 11, are low excitation objects. Three different scenarios are discussed which may account for these data. 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H.</creatorcontrib><creatorcontrib>Max-Planck-Institut fuer Astronomie, Heidelberg, West Germany</creatorcontrib><creatorcontrib>Washington Univ., Seattle</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Astron. J.; (United States)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Solf, J.</au><au>Boehm, K. H.</au><aucorp>Max-Planck-Institut fuer Astronomie, Heidelberg, West Germany</aucorp><aucorp>Washington Univ., Seattle</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The velocity field and structure of the HH 7-HH 11 complex</atitle><jtitle>Astron. J.; (United States)</jtitle><date>1987-05</date><risdate>1987</risdate><volume>93</volume><spage>1172</spage><epage>1181</epage><pages>1172-1181</pages><issn>0004-6256</issn><abstract>An optical long slit spectra study has been conducted of the HH 7-HH 11 complex of Herbig-Haro objects; the spectra have yielded the position-dependence of line profiles, centroid velocity, velocity dispersions, and intensity ratios. These data pertain both to the HH objects and the diffuse matter forming bridges between HH 7, HH 8, and HH 10. The complex appears to encompass two subsystems, of which one consists of only H 11 and exhibits much higher electron densities than the one containing HHs 7, 8 and 10. Three properties of the complex are surprising: (1) the large physical differences between the subsystems, (2) the homogeneity of the HH 7, 8, 10 subsystem, and (3) the fact that all objects, including HH 11, are low excitation objects. Three different scenarios are discussed which may account for these data. (O.C.)</abstract><cop>United States</cop><doi>10.1086/114399</doi><tpages>10</tpages></addata></record> |
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| ispartof | Astron. J.; (United States), 1987-05, Vol.93, p.1172-1181 |
| issn | 0004-6256 |
| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | 640102 - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources AMPLIFIERS BALMER LINES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ELECTROMAGNETIC RADIATION ELECTRON DENSITY ELECTRON SPECTROSCOPY ELECTRONIC EQUIPMENT INFRARED RADIATION MASERS MICROWAVE AMPLIFIERS MICROWAVE EQUIPMENT MORPHOLOGY NEBULAE PHOTOELECTRON SPECTROSCOPY RADIATIONS SPECTROSCOPY STAR EVOLUTION VELOCITY |
| title | The velocity field and structure of the HH 7-HH 11 complex |
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