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Origin of the Napoleon's hat nebula around SN1987A and implications for the progenitor

✍ Scribed by Podsiadlowski, Ph.; Fabian, A. C.; Stevens, I. R.


Book ID
109778805
Publisher
Nature Publishing Group
Year
1991
Tongue
English
Weight
601 KB
Volume
354
Category
Article
ISSN
0028-0836

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A study of the electronic structures of
✍ Salahub, D. R. πŸ“‚ Article πŸ“… 1976 πŸ› American Institute of Physics 🌐 English βš– 796 KB

SCF–Xα–SW calculations have been carried out for SN, S2N2, and S4N4 as well as the analogous oxides NO and N2O2. The electronic charge distribution of the sulfides is remarkably uniform leading to highly polar SN bonds (∼S+1/2Nβˆ’1/2) in contrast to the oxides where the NO bonds involve less charge tr