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Interpreting Spectral Energy Distributions from Young Stellar Objects. II. Fitting Observed SEDs Using a Large Grid of Precomputed Models

  • Authors: Thomas P. Robitaille, Barbara A. Whitney, Remy Indebetouw, and Kenneth Wood

Robitaille et al. 2007 The Astrophysical Journal Supplement Series 169 328.

  • Provider: AAS Journals

Caption: Fig. 6.

Top left: Best‐fit model to the IRAC data in the six apertures for IRAS 04368+2557 (only the IRAC data are used). The IRAC data points are shown as filled black circles. The other data points are shown as gray circles to indicate that these were not used in the fitting. The apertures assumed for these points are those listed in Table 12 as before, i.e., 100﹩\arcsec﹩ for JHK, 10﹩\arcsec﹩ for MIPS 24 μm, 60﹩\arcsec﹩ for IRAS 12 and 25 μm, 120﹩\arcsec﹩ for IRAS 60 and 100 μm, and 30﹩\arcsec﹩ for the submillimeter data. For the IRAC data points, the fluxes in six apertures are shown (4﹩\arcsec﹩, 8﹩\arcsec﹩, 16﹩\arcsec﹩, 32﹩\arcsec﹩, 48﹩\arcsec﹩, and 64﹩\arcsec﹩), with the faintest fluxes corresponding to the smallest apertures, and the brightest fluxes corresponding to the largest apertures. The model SED in the different apertures is shown as open circles. The different colors correspond to the different apertures. Top right: Best‐fit model using the near‐IR, far‐IR, and submillimeter data in addition to the IRAC data in the six apertures. The bottom left and right panels show the same SED fits in the IRAC range.

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