R I CN TiO photometry of DDO190 carbon stars
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We have carried out deep R, I, CN, TiO observations of the dwarf irregular galaxy DDO 190. We confirm the existence intermediate-age population around this galaxy. The...
我们针对不规则矮星系DDO 190开展了涵盖R波段、I波段、氰(CN)分子谱线与氧化钛(TiO)分子谱线的深场观测。我们证实该星系周围存在中等年龄恒星族群。……



