# The Fermi LAT view of cosmic rays and interstellar gas in the Cygnus X region: a not so special spot of the Local Arm

@article{Tibaldo2011TheFL,
title={The Fermi LAT view of cosmic rays and interstellar gas in the Cygnus X region: a not so special spot of the Local Arm},
author={Luigi Tibaldo and Isabelle Grenier and for the Star Collaboration},
journal={arXiv: High Energy Astrophysical Phenomena},
year={2011},
volume={7},
pages={14}
}
• Published 31 October 2011
• Physics
• arXiv: High Energy Astrophysical Phenomena
The Cygnus region hosts the most conspicuous star-forming region close to the Sun, embedded in a giant complex of molecular clouds in the Local Arm. We present an analysis of the Fermi-LAT observations of Cygnus intended to probe the cosmic-ray and interstellar-matter content of the region. From gamma-ray data we estimate a total of (8 +5 -1) x 10^6 solar masses of interstellar gas in the complex at a distance of 1.4 kpc. The gamma-ray emission from the atomic gas supports the average HI spin…
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