Fig. 6 from The Spitzer Survey of the Small Magellanic Cloud: S3MC Imaging and Photometry in the Mid‐ and Far‐Infrared Wave Bands

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The Spitzer Survey of the Small Magellanic Cloud: S³MC Imaging and Photometry in the Mid‐ and Far‐Infrared Wave Bands

Authors: Alberto D. Bolatto, Joshua D. Simon, Snežana Stanimirović, Jacco Th. van Loon, Ronak Y. Shah, Kim Venn, Adam K. Leroy, Karin Sandstrom, James M. Jackson, Frank P. Israel, Aigen Li, Lister Staveley-Smith, Caroline Bot, Francois Boulanger, and Mónica Rubio

Bolatto et al. 2007 The Astrophysical Journal 655 212.

Provider: AAS Journals

Caption: Fig. 6.

The F₈/F₂₄ ratio in the southwest region of the SMC bar as a function of the F₂₄/F₇₀ ratio. The black filled squares indicate the averages of the F₈/F₂₄ ratio in bins of F₂₄/F₇₀. There is a clear anticorrelation between the F₈/F₂₄ and F₂₄/F₇₀ ratios, showing that regions with very blue dust FIR colors are most likely underabundant in PAHs. The dashed line shows a power‐law fit to the data, ﹩\mathrm{log}\,( F_{8}/ F_{24}) \sim -0.7\mathrm{log}\,( F_{24}/ F_{70}) -1.4﹩.

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