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Changes: The Past, Present, and Future of the Nearby Dwarf Galaxy NGC 55

  • Authors: T. J. Davidge

2019 The Astronomical Journal 158 90.

  • Provider: AAS Journals

Caption: Figure 15.

Spectra of point sources that have deep TiO bandheads at 7100 Å, indicating that the light is dominated by M giants. The spectra have been normalized to the continuum. Absorption lines of the Ca triplet are also present. The light from these sources is likely dominated by one or more RSGs.

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