SIMBAD references

2004BaltA..13..483F - Baltic Astronomy, 13, 483-486 (2004/August-0)

The enigmatic outflow alignments in small globules: A case study of IC1396W.

FROEBRICH D. and SCHOLZ A.

Abstract (from CDS):

Beside giant molecular clouds, stars are formed also in small isolated globules. In such places the formation of stars might be induced by the propagation of an ionization shock front, the so called radiation driven implosion mechanism. Many of the investigated globules clearly show signs of ongoing star formation by outflow activity and by the presence in them of very young star clusters. The investigations of outflow activity in such small (<1 pc) clouds uncover a surprisingly large number of parallel aligned outflows. Examples of three parallel outflows are ρ OphA, L1551 and IC1396N. Such alignment practically cannot be explained by coincidence. Here we present a new example of perfectly aligned outflows discovered in the IC1396W globule. Three ouflows driven by one Class0 and two Class1/2 objects are aligned within three degrees in projection. Additionally, in this globule an embedded cluster of young stars is detected. We discuss the properties of the outflow and the newly discovered young stellar population, as well as possible reasons for the outflow alignment in this and other cases.

Abstract Copyright:

Journal keyword(s): shock waves - molecular processes - stars: formation - ISM: jets and outflows - ISM: individual objects (IC1396W)

Simbad objects: 4

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