Submillimeter Observations of Small Young Clusters in Three Large Globules

Astronomy and Astrophysics – Astronomy

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Scientific paper

Using the submillimeter common user bolometer array SCUBA on the JCMT, we have mapped regions within three large globules: CB 3, CB 34, and L 810. Our maps were centered on three IRAS sources, each of which are associated with a small cluster of near-infrared young stellar objects (YSOs) as seen from deep optical and/or near-infrared observations. We have detected submillimeter sources associated with the clusters, but clearly without near-infrared counterparts. These submillimeter sources, presumably protostars, suggest that these large globules are currently adding members to the YSO clusters. Thus, star formation within large globules appears to be a continuous process rather than a single, isolated event. The work of Huard and Weintraub is supported by a NASA grant NAG54428. The work of Sandell is supported by NRAO.

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