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Galaxy Evolution in the Far Infrared

  • Carol J. Lonsdale
Conference paper
Part of the Astrophysics and Space Science Library book series (ASSL, volume 160)

Abstract

Using the new IRAS Faint Source Survey database at |b II | > 50°, we confirm the steep slope of the faint 60 μm source counts discovered by Hacking, Condon and Houck (1987). The slope of the faint number counts requires cosmological evolution at a rate higher than predicted by conventional models for passively evolving galaxies. Density evolution is also consistent with the infrared data. A scenario in which the percentage of galaxies undergoing a infrared luminous event evolves, caused by evolution of the galaxy-galaxy interaction rate, is attractive.

Keywords

Star Formation Star Formation Rate Density Evolution Galaxy Evolution Star Formation History 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 1990

Authors and Affiliations

  • Carol J. Lonsdale
    • 1
  1. 1.Infrared Processing and Analysis Center and Jet Propulsion LaboratoryCalifornia Institute of TechnologyPasadenaUSA

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