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Atomic processes in nova shells
Bibliography: pages 155-165.
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| Other Authors: | |
| Format: | Thesis |
| Language: | English |
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Department of Astronomy
2015
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| _version_ | 1867613222242091008 |
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| access_status_str | Open Access |
| author | Smits, Derck Peter |
| author2 | Warner, Brian |
| author_browse | Smits, Derck Peter Warner, Brian |
| author_facet | Warner, Brian Smits, Derck Peter |
| author_sort | Smits, Derck Peter |
| collection | Thesis |
| description | Bibliography: pages 155-165. |
| format | Thesis |
| id | oai:open.uct.ac.za:11427/16000 |
| institution | University of Cape Town (South Africa) |
| language | eng |
| last_indexed | 2026-06-10T12:32:42.829Z |
| license_str | Not specified — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from UCTD — University of Cape Town Open Access Repository |
| publishDate | 2015 |
| publishDateRange | 2015 |
| publishDateSort | 2015 |
| publisher | Department of Astronomy |
| publisherStr | Department of Astronomy |
| record_format | dspace |
| source_str | UCTD — University of Cape Town Open Access Repository |
| spelling | oai:open.uct.ac.za:11427/16000 Atomic processes in nova shells Smits, Derck Peter Warner, Brian Cataclysmic variable stars Stars, New Astrophysics Bibliography: pages 155-165. The unusual spectra of the spatially-resolved nova shells of DQ Her, T Aur and CP Pup are reviewed. Because calculations for these conditions have not been made, recombination models of HI, HeI and CNO from a neutral to a doubly ionized state were constructed. The models are described and the results presented for densities at various temperatures. A photoionization model is also described. The effects of non-uniform density distributions in nova shells have been investigated and the observational consequences discussed. A model of the CP Pup shell is described and the evolution of this plasma during the nova's constant luminosity phase traced. The properties of neon novae are summarized and compared with the features seen in the optical spectra of old classical novae. Enhanced neon abundances are used in the model of the CP Pup Shell to investigate its effect on the evolution of the shell. Finally, the results of some near-infrared observations made on the shells of CP Pup, RR Pic and T Pyx are reported. 2015-12-28T06:10:14Z 2015-12-28T06:10:14Z 1990 Doctoral Thesis Doctoral PhD http://hdl.handle.net/11427/16000 eng application/pdf Department of Astronomy Faculty of Science University of Cape Town |
| spellingShingle | Cataclysmic variable stars Stars, New Astrophysics Smits, Derck Peter Atomic processes in nova shells |
| thesis_degree_str | Doctoral |
| title | Atomic processes in nova shells |
| title_full | Atomic processes in nova shells |
| title_fullStr | Atomic processes in nova shells |
| title_full_unstemmed | Atomic processes in nova shells |
| title_short | Atomic processes in nova shells |
| title_sort | atomic processes in nova shells |
| topic | Cataclysmic variable stars Stars, New Astrophysics |
| url | http://hdl.handle.net/11427/16000 |
| work_keys_str_mv | AT smitsderckpeter atomicprocessesinnovashells |