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1990ApJ...355L..23H - Astrophys. J., 355, L23-L26 (1990/May-3)
Periodic variations of the extragalactic H2O maser in NGC 4258.
HASCHICK A.D. and BAAN W.A.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Interstellar: Molecules - Masers - Stars: Variables
Simbad objects: 5
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