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Galactic structure from infrared studies

Published online by Cambridge University Press:  14 August 2015

J. L. Puget ,
G. Serra  and
C. Ryter
J. L. Puget
Affiliation:
Institut d'Astrophysique, Paris
G. Serra
Affiliation:
Centre d'Etudes Spatiales des Rayonnements, Toulouse
C. Ryter
Affiliation:
Centre d'Etudes Nulcéaires de Saclay

Extract

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Star densities on a galactic scale are traced by far infrared emission of dust heated by young stars and by the 2.4 μm radiation of stars in the red giant phase. Coherent results are obtained, pointing to a very strong star formation rate during the last ∼200 My in a ring 5 kpc from the galactic center. A steepening of the initial mass function compared to that observed in the solar vicinity is also suggested.

Type
II. THE DISK COMPONENT
Information
Symposium - International Astronomical Union , Volume 84: The Large-Scale Characteristics of the Galaxy , 1979 , pp. 105 - 111
Copyright
Copyright © Reidel 1979 

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