Ultraviolet spectrum and probable chemical composition of the high-excitation planetary nebula M1-1
One of the highest excitation planetary nebulae known, M1-1, was studied with the image-tube scanner on the Shane 3-m telescope at Lick Observatory and with the International Ultraviolet Explorer. Large fractions of abundant elements such as C, N, O, S, and Ar exist in unobservable stages of ionizat...
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| Vydáno v: | Proc Natl Acad Sci U S A |
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| Hlavní autoři: | , , |
| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
National Academy of Sciences
1986
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC323389/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/16593688/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.83.9.2777 |
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