- Abstract:
-
A key tracer of the elusive progenitor systems of Type Ia supernovae (SNe Ia) is the detection of narrow blueshifted time-varying Na I D absorption lines, interpreted as evidence of circumstellar material (CSM) surrounding the progenitor system. The origin of this material is controversial, but the simplest explanation is that it results from previous mass loss in a system containing a white dwarf and a non-degenerate companion star. We present new single-epoch intermediate-resolution spectra...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1093/mnras/stt1586
-
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- Journal:
- MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
- Volume:
- 436
- Issue:
- 1
- Pages:
- 222-240
- Publication date:
- 2013-08-18
- DOI:
- EISSN:
-
1365-2966
- ISSN:
-
0035-8711
- URN:
-
uuid:fd64f675-a3b8-4fe7-96db-dd95aaaecd1b
- Source identifiers:
-
420807
- Local pid:
- pubs:420807
- Language:
- English
- Keywords:
- Copyright date:
- 2013
- Notes:
- 19 pages, 9 figures, accepted for publication in MNRAS
Journal article
A statistical analysis of circumstellar material in Type Ia supernovae
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