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http://hdl.handle.net/10773/24006| Title: | The structure of a recent nova shell as observed by ALMA |
| Author: | Diaz, Marcos Abraham, Zulema Ribeiro, Valério A. R. M. Beaklini, Pedro P. B. Takeda, Larissa |
| Keywords: | Stars: novae Cataclysmic variables Stars: white dwarfs Radio continuum: stars |
| Issue Date: | 30-Jun-2018 |
| Publisher: | Oxford University Press |
| Abstract: | High resolution ALMA observations of the recent (2.52 yr old) shell of Nova V5668 Sgr (2015) show a highly structured ionized gas distribution with small (10^15 cm) clumps. These are the smallest structures ever observed in the remnant of a stellar thermonuclear explosion. No extended contiguous emission could be found above the 2.5σ level in our data, while the peak hydrogen densities in the clumps reach 10^6 cm^−3. The millimetre continuum image suggests that large scale structures previously distinguished in other recent nova shells may result from the distribution of bright unresolved condensations. |
| Peer review: | yes |
| URI: | http://hdl.handle.net/10773/24006 |
| DOI: | 10.1093/mnrasl/sly121 |
| ISSN: | 1745-3925 |
| Publisher Version: | https://academic.oup.com/mnrasl/article/480/1/L54/5047315 |
| Appears in Collections: | CIDMA - Artigos DFis - Artigos IT - Artigos |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 1808.01848.pdf | 880.31 kB | Adobe PDF | View/Open |
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