Dust at High-z: Observations and Theory.

Details Dust at High-z: Observations and Theory. Dust at High-z: Observations and Theory.

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006iaujd...7e...5m&link_type=abstract

The Universe at z > 6, 26th meeting of the IAU, Joint Discussion 7, 17-18 August 2006, Prague, Czech Republic, JD07, #5

Computer Science

Scientific paper

Recent observations have detected large masses of dust in high redshift QSOs, close to the re-ionization epoch (z~6). Producing large quantities of dust at such early epochs in the universe is problematic through the standard mechanism of AGB stars, since the latter do not have enough time to evolve. I will discuss this issue by reviewing the properties of dust inferred by multi-wavelength observations as a function of redshift. I will show that, at least for what concerns QSOs, there is no evidence for evolution of dust in the redshift range 0

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