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The Recent Star Formation Histories of M81 Group Dwarf Irregular Galaxies

  • Authors: Daniel R. Weisz, Evan D. Skillman, John M. Cannon, Andrew E. Dolphin, Robert C. Kennicutt, Jr., Janice Lee, and Fabian Walter

Weisz et al. 2008 The Astrophysical Journal 689 160.

  • Provider: AAS Journals

Caption: Fig. 14.

HST ACS CMDs of M81 Dwarf A, the Garland, DDO 53, and Ho IX presented in ACS instrumental filters F555W and F814W, contoured by stellar density on the CMD. Regions of density less than 4 stars dmag−2 (﹩0.1\times 0.1﹩ mag bins) are plotted as points. Contours are spaced by factors of 2 to show the detailed structure of the CMDs.

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