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Oxygen and helium abundances in galactic h II regions: abundance gradients
Absolute integrated uxes have been obtained for 34 H II regions, with Galactocentricdistances RG in the 6.6{17.7 kpc range, in the emission lines [O II] 3726and 3729, [O III] 4363 and 5007, He I 5876, H and H. These uxes are analyzedto derive the physical parameters, the ionic abundances O+/H+, O++...
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| Publicat a: | Revista Mexicana de Astronomía y Astrofísica |
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| Autors principals: | , , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Universidad Nacional Autónoma de México
2000
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| Matèries: | |
| Accés en línia: | https://www.redalyc.org/articulo.oa?id=57100945 |
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