2021
DOI: 10.48550/arxiv.2109.05950
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Eta Carinae with Fermi-LAT: Two full orbits and the third periastron

G. Martí-Devesa,
O. Reimer

Abstract: Context. Colliding-wind binaries are massive stellar systems featuring strong, interacting winds. These binaries may be actual particle accelerators, making them variable γ-ray sources due to changes in the wind collision region along the orbit. However, only two of these massive stellar binary systems have been identified as high-energy sources. The first and archetypical system of this class is η Carinae, a bright γ-ray source with orbital variability peaking around its periastron passage. Aims. The origin o… Show more

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“…The 2009, 2014 and the recent 2020 periastron passages were already followed by Fermi-LAT and have been discussed in several works (see e.g. [8][9][10][11][12]. H.E.S.S.…”
Section: Introductionmentioning
confidence: 99%
“…The 2009, 2014 and the recent 2020 periastron passages were already followed by Fermi-LAT and have been discussed in several works (see e.g. [8][9][10][11][12]. H.E.S.S.…”
Section: Introductionmentioning
confidence: 99%