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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
Abstract
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
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- Copyright © Kluwer 1990