Seeing Red in NGC 1978, NGC 55, and NGC 3109

Spectra of the intermediate-age star cluster NGC 1978 and the dwarf irregular galaxies NGC 55 and NGC 3109 are discussed. The spectra were recorded with the Gemini Multi-object Spectrograph on Gemini South and span the 0.7–1.1 μ m wavelength interval. Five slit pointings were observed in NGC 1978, a...

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Veröffentlicht in:	The Astrophysical journal 2018-04, Vol.856 (2), p.129
1. Verfasser:	Davidge, T. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomical models Astrophysics Color Cusps Dwarf galaxies Equivalence Galaxies Irregular galaxies Mixing processes Qualitative analysis Red giant stars Signal to noise ratio Spectra Star clusters Star formation Stellar age Supergiant stars Wavelengths
Online-Zugang:	Volltext
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