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

J. Knapen; J.E. Beckman

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

J. Knapen, J.E. Beckman

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Abstract

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.

Original language	English
Title of host publication	In: Physics of the Gaseous and Stellar Disks of the Galaxy - ASP Conf Series 66
Publisher	Astronomical Society of the Pacific
Pages	329-336
ISBN (Print)	0-937707-85-6
Publication status	Published - 1994

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title = "The Role of HI in the Star-Formation Processes in Spiral Disks",

abstract = "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.",

author = "J. Knapen and J.E. Beckman",

note = "Original paper can be found at: http://www.astrosociety.org/pubs/cs/035-069.html",

year = "1994",

language = "English",

isbn = "0-937707-85-6",

pages = "329--336",

booktitle = "In: Physics of the Gaseous and Stellar Disks of the Galaxy - ASP Conf Series 66",

publisher = "Astronomical Society of the Pacific",

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TY - GEN

T1 - The Role of HI in the Star-Formation Processes in Spiral Disks

AU - Knapen, J.

AU - Beckman, J.E.

N1 - Original paper can be found at: http://www.astrosociety.org/pubs/cs/035-069.html

PY - 1994

Y1 - 1994

N2 - 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.

AB - 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.

M3 - Conference contribution

SN - 0-937707-85-6

SP - 329

EP - 336

BT - In: Physics of the Gaseous and Stellar Disks of the Galaxy - ASP Conf Series 66

PB - Astronomical Society of the Pacific

ER -

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

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