Magnetocentrifugal jets and chondrule formation in protostellar disks
Poster
Salmeron, Raquel and Ireland, Trevor. 2014. "Magnetocentrifugal jets and chondrule formation in protostellar disks." Booth, Mark, Matthews, Brenda C. and Graham, James R. (ed.) 2013 IAU Symposium: Exploring the Formation and Evolution of Planetary Systems. Victoria, Canada 02 - 07 Jun 2013 United States. https://doi.org/10.1017/S1743921313008442
| Paper/Presentation Title | Magnetocentrifugal jets and chondrule formation in protostellar disks |
|---|---|
| Presentation Type | Poster |
| Authors | Salmeron, Raquel (Author) and Ireland, Trevor (Author) |
| Editors | Booth, Mark, Matthews, Brenda C. and Graham, James R. |
| Journal or Proceedings Title | Proceedings of the International Astrological Union |
| Journal Citation | 8 (S299), pp. 228-229 |
| Number of Pages | 2 |
| Year | 2014 |
| Place of Publication | United States |
| ISBN | 9781107045200 |
| Digital Object Identifier (DOI) | https://doi.org/10.1017/S1743921313008442 |
| Web Address (URL) of Paper | https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/magnetocentrifugal-jets-and-chondrule-formation-in-protostellar-disks/AB87D2A9849E5A86F9FE8938A3C30D86 |
| Conference/Event | 2013 IAU Symposium: Exploring the Formation and Evolution of Planetary Systems |
| Event Details | 2013 IAU Symposium: Exploring the Formation and Evolution of Planetary Systems Event Date 02 to end of 07 Jun 2013 Event Location Victoria, Canada |
| Abstract | Chondrite meteorites are the building blocks of the solar nebula, out of which our Solar System formed. They are a mixture of silicate and oxide objects (chondrules and refractory inclusions) that experienced very high temperatures, set in a matrix that remained cold. Their prevalence suggests that they formed through a very general process, closely related to stellar and planet formation. However the nature and properties of the responsible mechanism have remained unclear. The evidence for a hot solar nebula provided by this material seems at odds with astrophysical observations of forming stars. These indicate that the typical temperatures of protostellar disks are too low to melt and vapourise silicate minerals at the radial distances sampled by chondrule-bearing meteorites. Here, we show that processing of precursors in a protostellar outflow at radial distances of about 1 – 3 AU can heat them to their melting points and explain their basic properties, while retaining association with the colder matrix. |
| Keywords | solar system - formation; planetary systems; protoplanetary disks; jets and outflows |
| ANZSRC Field of Research 2020 | 510109. Stellar astronomy and planetary systems |
| Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
| Byline Affiliations | Australian National University |
| Institution of Origin | University of Southern Queensland |
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