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NRAO/Socorro Colloquium Series

Yashuo Fukui

Nagoya University

High-Mass star formation triggered by frequent cloud-cloud collisions

For over four decades it has been debated whether external triggering can substantially enchance starformation. One highly plausible candidate si the influence from high-mass stars, via their UV radiation, winds and supernova explosion. However, recent work has suggested that collisions between molecular clouds may play a previously underestimated role in tiggering high-mass star formation. I will present new milecular observations of high-mass star forming regions including yound super star cluster and Spitzer Bubbles and discuss that high-mass star formation has been tiggered by cloud-cloud collisons at a relative velocity of 10-20 km s-1. Such collisons are taking place once every 100 yrs in the Galaxy and may be one to the dominat modes of high-mass star formation.



November 29, 2012
11:00 am

Array Operations Center Auditorium

All NRAO employees are invited to attend via video, available in Charlottesville Room 230, Green Bank Room 137 and Tucson N525.

Local Host: Juergen Ott

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