Constraints on particle acceleration in Rosette and Orion nebulae with Fermi-LAT observations

Abstract : Rosette and Orion nebulae are two young massive star clusters in which no supernova explosion has occurred yet. That makes two very good candidates to study particle acceleration in a super bubble induces by the collective effects of stellar winds. Using data from Fermi-LAT and a phenomenological model, upper limits on the fraction of mechanical energy converted into accelerated particles have been obtained. The potential gamma-ray flux have been finally compared to the HESS-II and CTA Cherenkov telescopes sensitivities.
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http://hal.in2p3.fr/in2p3-01202037
Contributor : Claudine Bombar <>
Submitted on : Friday, September 18, 2015 - 3:31:02 PM
Last modification on : Friday, April 12, 2019 - 1:09:11 AM

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  • HAL Id : in2p3-01202037, version 1

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G. Lamanna, G. Maurin, F. Krayzel, A. Marcowith, N. Komin. Constraints on particle acceleration in Rosette and Orion nebulae with Fermi-LAT observations. 34th International Cosmic Ray Conference (ICRC2015), Jul 2015, The Hague, Netherlands. ⟨in2p3-01202037⟩

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