The Role of HI in the Star-Formation Processes in Spiral Disks

Knapen, J. and Beckman, J.E. (1994) The Role of HI in the Star-Formation Processes in Spiral Disks. In: In: Physics of the Gaseous and Stellar Disks of the Galaxy - ASP Conf Series 66 :. Astronomical Society of the Pacific, pp. 329-336. ISBN 0-937707-85-6
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We discuss recent work on massive star-formation efficiency parameters on 1 kpc scales in grand-design spiral galaxies. The fact that in two galaxies studies in detail, M51 and NGC 4321, the massive star-formation efficiency in the arms is larger than that outside the arms can be seen as evidence for large-scale triggering of the star formation in the arms, probably induced by a density wave system. We discuss several possible systematic effects, but infer that the conclusions on triggering are sound.
Item Type Book Section
Additional information Original paper can be found at: http://www.astrosociety.org/pubs/cs/035-069.html
Date Deposited 15 May 2025 16:19
Last Modified 30 May 2025 23:09

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