A Search for Small-Scale Clumpiness in Orion and W3 High-Mass Star-Forming Regions

Details A Search for Small-Scale Clumpiness in Orion and W3 High-Mass Star-Forming Regions A Search for Small-Scale Clumpiness in Orion and W3 High-Mass Star-Forming Regions

2009-03-25

arxiv.org/abs/0903.4291v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

4 pages including 1 figure and 2 tables, accepted by Astronomical and Astrophysical Transactions

Scientific paper

Observations of distinct positions in Orion and W3 revealed ripples on the
HCN(1-0), HCO^+(1-0) and CO(1-0) line profiles which can be result of emission
of large number of unresolved thermal clumps in the beam that move with random
velocities. The total number of such clumps are ~(0.4-4) 10^5 for the areas
with linear sizes ~0.1-0.5 pc.

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