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Title:
The Spitzer View of M101: Preliminary Results
Authors:
Gordon, K. D.; Rieke, G.; Engelbracht, C.; Kennicutt, R. C.; Hinz, J.; Pérez-González, P.; Misselt, K.; Smith, J. D. T.
Publication:
The Spitzer Space Telescope: New Views of the Cosmos ASP Conference Series, Volume 357, proceedings of the conference held 9-12 November, 2004 in Pasadena, California, USA. Edited by L. Armus and W.T. Reach. San Francisco: Astronomical Society of the Pacific, 2006., p.188
Publication Date:
12/2006
Origin:
ASP
Bibliographic Code:
2006ASPC..357..188G

Abstract

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.

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