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TITLE: The peculiar nebula Simeis 57: II. Distance, nature and excitation. II. Distance, nature and excitation
AUTHORS: Oudshoorn, LHT; Israel, FP; Brinchmann, J ; Kloppenburg, MBC; Brown, AGA; Bally, J; Gull, TR; Boyd, PT;
PUBLISHED: 2021, SOURCE: ASTRONOMY & ASTROPHYSICS, VOLUME: 650
INDEXED IN: WOS CrossRef