Planetary nebulae with [wr] nuclei. A statistical approach
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2001
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| _version_ | 1876480705598324736 |
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| author | S. Medina |
| author_facet | S. Medina |
| contents | Planetary nebulae with [wr] nuclei. A statistical approach S. Medina G. Stasińska M. Peña Física, Astronomía y Matemáticas NAMICS STARS: WOLF{RAYET PLANETARY NEBULAE: GENERAL ISM: ABUNDANCES { ISM: KINEMATICS AND DY Preliminary results from high resolution spectroscopy for a selected sample ofplanetary nebulae with WR nucleus or weak{emission line star (wels) are presented.The observed objects spread over a wide range in stellar characteristics: early andlate [WC]{type stars and wels have been selected. Nebular densities and temperatures,as well as ionic and total abundances and expansion velocities, have beenderived. The results are used to perform a statistical study of the objects in orderto nd possible relationships among the di erent stellar and nebular parametersand to analyze the e ect of the WR wind on the nebular shell. 2001 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101005 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.10 |
| format | Artículo científico |
| id | redalyc_57101005 |
| institution | Redalyc |
| language | en |
| publishDate | 2001 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Planetary nebulae with [wr] nuclei. A statistical approach S. Medina Física, Astronomía y Matemáticas NAMICS STARS: WOLF{RAYET PLANETARY NEBULAE: GENERAL ISM: ABUNDANCES { ISM: KINEMATICS AND DY Planetary nebulae with [wr] nuclei. A statistical approach S. Medina G. Stasińska M. Peña Física, Astronomía y Matemáticas NAMICS STARS: WOLF{RAYET PLANETARY NEBULAE: GENERAL ISM: ABUNDANCES { ISM: KINEMATICS AND DY Preliminary results from high resolution spectroscopy for a selected sample ofplanetary nebulae with WR nucleus or weak{emission line star (wels) are presented.The observed objects spread over a wide range in stellar characteristics: early andlate [WC]{type stars and wels have been selected. Nebular densities and temperatures,as well as ionic and total abundances and expansion velocities, have beenderived. The results are used to perform a statistical study of the objects in orderto nd possible relationships among the di erent stellar and nebular parametersand to analyze the e ect of the WR wind on the nebular shell. 2001 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101005 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.10 |
| title | Planetary nebulae with [wr] nuclei. A statistical approach |
| topic | Física, Astronomía y Matemáticas NAMICS STARS: WOLF{RAYET PLANETARY NEBULAE: GENERAL ISM: ABUNDANCES { ISM: KINEMATICS AND DY |
| url | https://www.redalyc.org/articulo.oa?id=57101005 |