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Nuclear Starbursts in Barred Spirals

Published online by Cambridge University Press:  07 August 2017

N.A. Devereux
N.A. Devereux*
Affiliation:
Dept. of Physics and Astronomy, University of Massachusetts, Graduate Research Center, Amherst, MA 01002

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The first analysis of the Infrared Astronomical Satellite (IRAS) data revealed differences between barred and unbarred spirals. The study of Shapley-Ames galaxies, by De Jong et al (1984), revealed that barred spirals tend, on average, to be associated with “warmer” far infrared color temperatures and higher Lfir/Lblue ratios than unbarred spirals. In a related study Hawarden et al (1986) noted that barred and unbarred spirals could be partially segregated on the basis of the IRAS S25μm/S25μm flux ratio. Both sets of investigators attributed the differences, between barred and unbarred spirals, to a nuclear starburst in the barred types.

Type
Part 8: Relationships of Nucleus, Galaxy and Environment
Information
Symposium - International Astronomical Union , Volume 134: Active Galactic Nuclei , 1989 , pp. 465 - 466
Copyright
Copyright © Kluwer 1989 

References

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