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Morphology and Structures of Nearby Dwarf Galaxies

  • Mira Seo (a1) and H. B. Ann (a1)

Abstract

We applied GALFIT and STARLIGHT to the r-band images and spectra, respectively, of ~1,100 dwarf galaxies to analyze the structural properties and stellar populations. In most cases, single component with n = 1 ~ 1.5 well describes the luminosity distribution of dwarf galaxies. However, a large fraction of dS0, dEbc, and dEblue galaxies show sub-structures such as spiral arms and rings. There is a bimodal distributions of stellar ages in dS0 galaxies. But other sub-types of dwarf galaxies show a single peak in the stellar distributions.

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References

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Ann, , Seo, , Ha, 2015, ApJS, 217, 27
Cid Fernandes, R., Mateus, A., Sodre, L., Stasinska, G., & Gomes, J. M. 2005, MNRAS, 358, 363
Peng, C. Y., Ho, L. C., Impey, C. D., & Rix, H.-W. 2002, AJ, 124, 266
Peng, C. Y., Ho, L. C., Impey, C. D., & Rix, H.-W. 2010, AJ, 139, 2097
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