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...
保存先:
| 出版年: | Revista Mexicana de Astronomía y Astrofísica |
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| 第一著者: | |
| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
Universidad Nacional Autónoma de México
2003
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| 主題: | |
| オンライン･アクセス: | https://www.redalyc.org/articulo.oa?id=57139202 |
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