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Paper: The Role of Interactions in the Evolution of Early-type Spiral Galaxies
Volume: 240, Gas and Galaxy Evolution: A Conference in Honor of the 20th Anniversary of the VLA
Page: 230
Authors: Hameed, S.; Young, L. M.; Thilker, D. A.; Blank, D. L.
Abstract: We provide further support for the idea that interactions are common in early-type(Sa-Sab) spirals and that they may also be responsible for the unexpected presence of giant H II regions in some of these galaxies. Our HI mapping of four high star forming Sa-Sab galaxies has revealed morphological peculiarities in all of them. We suspect that almost all early-type spirals with high massive star formation rates may be going through an interaction.
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