Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..357..188g&link_type=abstract
The Spitzer Space Telescope: New Views of the Cosmos ASP Conference Series, Volume 357, proceedings of the conference held 9-12
Astronomy and Astrophysics
Astronomy
1
Scientific paper
New Spitzer images of M101 from 3.5 to 160 μm are presented. Preliminary analysis focusing on the dependence of the infrared spectral energy distribution of HII regions as a function of metallicity finds that the mid-infrared PAH features become weak or absent between metallicities of 8.5 and 8.1. There is also a trend towards hotter dust temperature as metallicity decreases.
Engelbracht Charles
Gordon Karl Douglas
Hinz Joannah
Kennicutt Robert C.
Misselt Karl
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