July 29, 2015 to August 6, 2015
World Forum
Europe/Amsterdam timezone

Phenomenological description of young massive star clusters

Aug 4, 2015, 4:00 PM
Amazon Foyer (World Forum)

Amazon Foyer

World Forum

Churchillplein 10 2517 JW Den Haag The Netherlands
Board: 177
Poster contribution CR-TH Poster 3 CR


Dr Giovanni Lamanna (Centre National de la Recherche Scientifique (FR))


The most massive stars appear grouped in giant molecular clouds. Their strong wind activity generates large structures known as super bubbles and induces collective effects which could accelerate particles up to the high energy and produce gamma-rays. The best objects to observe these effects are young massive star clusters in which no supernova explosion has occurred yet. Such star associations are typically still embedded in their parent molecular cloud, which can be traced by the emission due to ionization by the stellar light (HII region). Considering this region as a spherical leaky-box surrounding a central cosmic ray source, a phenomenological model has been developed to estimate cosmic-rays and gamma-rays production for several clusters. The expected gamma-ray flux have been finally compared to the present and future gamma-ray telescopes sensitivities.
Collaboration -- not specified --
Registration number following "ICRC2015-I/" 1249

Primary authors

Dr Alexandre Marcowith (LUPM/IN2P3/CNRS) Dr Fabien Krayzel (LAPP/IN2P3/CNRS Université Savoie Mont-Blanc - France) Dr Gilles Maurin (LAPP/IN2P3/CNRS Université Savoie Mont-Blanc - France) Dr Giovanni Lamanna (Centre National de la Recherche Scientifique (FR)) Dr Nukri Komin (University of the Witwatersrand, South Africa)

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