Infrared Imaging and Optical Imaging and Spectroscopy of (mostly) type I Planetary Nebulae II
Optical spectra, images in the main optical emission lines and IR images directedtowards the detection of molecular hydrogen, were obtained for 14 planetarynebulae (PNe). Eleven of these comply with the two criteria defining a type I PNe(He-rich with a large N/O ratio). All are classified as bipolar...
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| Publicado no: | Revista Mexicana de Astronomía y Astrofísica |
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| Autor principal: | |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Universidad Nacional Autónoma de México
2003
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| Assuntos: | |
| Acesso em linha: | https://www.redalyc.org/articulo.oa?id=57139202 |
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