摘要: Extensive J = 1 to 0 (C-12)(O-16) and (C-13)(O-16) observations of the W3 molecular cloud surrounding region are presented discussed. The velocity structure in is strongly suggestive a model large-scale, externally induced star formation. It shown that formation occurred nearby star-forming W3(OH) after gas within which they lie was swept up by expanding W4 ionization front. Two condensations dominate mass core W3, one associated with IRS 4 other 5 1. A difference between two interpreted as indicating sources actually discrete knots. 31 references.
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