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Five Star‐forming Cores in the Galactic Ring Survey: A Mid‐Infrared Study

  • Authors: Kathleen E. Kraemer, James M. Jackson, Marc Kassis, Lynne K. Deutsch, Joseph L. Hora, Robert Simon, William F. Hoffmann, G. G. Fazio, Aditya Dayal, T. M. Bania, Dan P. Clemens, and Mark H. Heyer

Kraemer et al. 2003 The Astrophysical Journal 588 918.

  • Provider: AAS Journals

Caption: Fig. 3.

Mid‐IR emission from G45.07. Three compact mid‐IR components are detected at both 12.5 (upper left; ﹩0.6< F< 39﹩ mJy pixel−1) and 20.6 μm (upper right; ﹩4.4< F< 158﹩ mJy pixel−1). Color temperature (lower left; ﹩105< T_{d}< 165﹩ K, contours at 100, 110, 120, 130, 140, and 150 K), and opacity (lower right; ﹩1.4< \tau _{12.5}< 160\times 10^{-3}﹩, contours at 0.5, 1.0, 2.0, 4.0, and ﹩10.0\times 10^{-3}﹩) maps are also shown. To better show the extended emission, G45.07 KJK 1 and 2 are saturated in the 12.5 μm image and KJK 1 in the 20.6 μm image. (The ringlike structure centered on KJK 1 in the temperature map is an artifact due to the beam‐matching process.) In Figs. 47, darker is brighter, hotter, or more opaque, as appropriate; flux and opacity gray scales are logarithmic; cores may be saturated to show the extended emission; and compact mid‐IR sources are indicated with pluses and labeled in the opacity maps.

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