Infra-red observations at λ > 40 μm OF compact HII regions

  • R. E. Jennings
Part III: IR-Sources, Masers and Compact H II Regions
Part of the Lecture Notes in Physics book series (LNP, volume 42)


A brief account of the techniques used at λ > 40 μm is followed by photometric data, maps of IR regions and spectral data. In particular the He+/H+ ratio is discussed and new features on maps of W3 and the Galactic Centre are presented.


Optical Depth Radio Flux Helium Abundance Balloon Flight Orion Nebula 
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

© Springer-Verlag 1975

Authors and Affiliations

  • R. E. Jennings
    • 1
  1. 1.University College LondonUK

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