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The Determination of Galactic Arms from the Brightness Distribution of Far Infrared Sources

Published online by Cambridge University Press:  08 February 2017

Tong Yi ,
Sun Jin  and
Li Zhong Yuan
Tong Yi
Affiliation:
Department of Astronomy Beijing Normal University PRC
Sun Jin
Affiliation:
Department of Astronomy Beijing Normal University PRC
Li Zhong Yuan
Affiliation:
China University of Science and Technology Xefei PRC

Abstract

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From the IRAS catalogue we selected 10,001 young infrared (IR) sources which lie within the galactic plane. Their IR flux integrated over ±5° in latitude shows maxima at galactic longitudes l = 80°, 60°, 50°, 35°, −27°, −54°, and −74°, which directions are interpreted as tangents to the spiral arms. The resulting spiral arm pattern is nearly identical with the arms derived from observations of O and B stars.

Type
II. Galactic Background Starlight from UV to IR: Observations and Models
Information
Symposium - International Astronomical Union , Volume 139: The Galactic and Extragalactic Background Radiation , 1990 , pp. 123 - 124
Copyright
Copyright © Kluwer 1990 

References

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