Massive molecular outflows

Details Massive molecular outflows Massive molecular outflows

2001-12-21

arxiv.org/abs/astro-ph/0112508v1

Astronomy and Astrophysics

Astrophysics

13 pages, 7figures, accepted for Astronomy and Astrophysics

Scientific paper

We present a mapping study of massive molecular outflows in 26 high-mass star-forming regions at 11'' spatial resolution. Bipolar morpholgy is found in 80% of the sources and the collimation is higher than previously thought. Additionally, we find that well known low-mass correlations continue up to the high-mass regime, and accretion rates are around 10^(-4) Msun/yr rising as high as 10^(-3) Msun/yr. A tight correlation between the outflow and the core mass is established, implying that the accretion rate is a rather linear function of the initial core mass. All the data suggest that massive outflows are qualitatively similar and just quantitatively enhanced compared to their low mass counterparts.

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