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Probing the Dusty Stellar Populations of the Local Volume Galaxies with JWST/MIRI

  • Authors: Olivia C. Jones, Margaret Meixner, Kay Justtanont, and Alistair Glasse

2017 The Astrophysical Journal 841 15.

  • Provider: AAS Journals

Caption: Figure 3.

Example JWST/MIRI CMDs for more than 700 point sources in the LMC. The sources are classified by evolutionary stages (e.g., YSOs, asymptotic giant branch, post-asymptotic giant branch, and planetary nebula) and by chemistry (oxygen or carbon rich). Each colored symbol shows a different population of sources, as indicated in the legend; see Table 1 for the class definitions. For clarity, the YSO-1 and YSO-2 subcategories are grouped together as YSO. These colors effectively differentiate evolved stars from YSOs and separate carbon stars from oxygen-rich stars: this is critical for dust-production rate estimates and dust evolution models.

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