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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| Gepubliceerd in: | Revista Mexicana de Astronomía y Astrofísica |
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| Hoofdauteur: | |
| Formaat: | Artigo |
| Taal: | Inglês |
| Gepubliceerd in: |
Universidad Nacional Autónoma de México
2003
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| Onderwerpen: | |
| Online toegang: | https://www.redalyc.org/articulo.oa?id=57139202 |
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