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The Astrophysical Journal
Article . 1986 . Peer-reviewed
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https://dx.doi.org/10.1086/163...
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Stellar spiral arms in smooth-armed galaxies

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1986 English Publisher:American Astronomical SocietyJournal:The Astrophysical Journal, volume 300, page 132 (issn: 0004-637X, eissn: 1538-4357, Copyright policy )
Authors: R. C., Jr. Kennicutt; B. K. Edgar;

doi: 10.1086/163787

Stellar spiral arms in smooth-armed galaxies

Abstract

Deep multicolor surface photometry has been obtained for three extreme examples of smooth-armed spirals, galaxies with a global spiral pattern but with little or no interstellar gas, dust, or recent star formation: NGC 7743, NGC 495 and NGC 718. The results suggest that smooth-armed spirals may be transient bar-driven density waves (with a lifetime of about 1 Gyr) in galaxies which spend most of their lifetimes as much smoother SB0 or SBa galaxies, unless an efficient mechanism for transferring angular momentum from the bar is present. 21 references.

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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 9
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    		 Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
9
Average
Average
Average
gold
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