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http://hdl.handle.net/20.500.12386/29494| Title: | The relative role of AGB stars and SNe as the first cosmic dust polluters | Authors: | VALIANTE, ROSA Gioannini, L. Schneider, R. Matteucci, F. Dell'Agli, Flavia DI CRISCIENZO, Marcella |
Issue Date: | 2017 | Journal: | MEMORIE DELLA SOCIETA ASTRONOMICA ITALIANA | Number: | 88 | First Page: | 420 | Abstract: | Far infrared and sub-millimeter observations of quasars and normal star forming galaxies at z>6 have revealed the presence of large amounts of dust. At such high redshifts, the inferred 10<SUP>7</SUP>-10<SUP>9</SUP> M_☉ masses of dust must have formed in less than one billion years. Explaining this rapid chemical evolution is a challenge for both observations and theoretical models. Here we discuss the relative role of the two main stellar sources, AGB stars and SNe, in early dust enrichment, in light of new theoretical dust yields for AGB stars. | URI: | http://hdl.handle.net/20.500.12386/29494 | URL: | http://sait.oat.ts.astro.it/MSAIt880317/index.html | ISSN: | 0037-8720 | Bibcode ADS: | 2017MmSAI..88..420V | Fulltext: | open |
| Appears in Collections: | 1.01 Articoli in rivista |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| 2017MmSAI__88__420V.pdf | Pdf editoriale | 336.31 kB | Adobe PDF | View/Open |
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