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Detection of Very High Energy radiation from HESS J1908+063 confirms the Milagro unidentified source MGRO J1908+06

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abstract

Detection of a gamma-ray source above 300 GeV is reported, confirming the unidentified source MGRO J1908+06, discovered by the Milagro collaboration at a median energy of 20 TeV. The source was observed during 27 h as part of the extension of the H.E.S.S. Galactic plane survey to longitudes >30degr. HESS J1908+063 is detected at a significance level of 10.9 s with an integral flux above 1 TeV of (3.76+-0.29stat+-0.75sys)x10^-12 ph cm^-2 s^-1, and a spectral photon index Gamma = 2.10+-0.07stat+-0.2sys. The positions and fluxes of HESS 1908+063 and MGRO J1908+06 are in good agreement. Possible counterparts at other wavelengths and the origin of the gamma-ray emission are discussed. The nearby unidentified GeV source, GRO J1908+0556 (GeV) which also remains unidentified and the new Fermi pulsar 0FGL J1907.5+0617, may be connected to the TeV source.

fields

astro-ph.HE 1

years

2026 1

verdicts

UNVERDICTED 1

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A catalogue of TeV pulsar environments

astro-ph.HE · 2026-06-16 · unverdicted · novelty 7.0

A homogenized catalogue of 128 TeV sources associated with 66 pulsars, covering all evolutionary stages and showing only weak correlation between luminosity and pulsar age.

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  • A catalogue of TeV pulsar environments astro-ph.HE · 2026-06-16 · unverdicted · none · ref 43 · internal anchor

    A homogenized catalogue of 128 TeV sources associated with 66 pulsars, covering all evolutionary stages and showing only weak correlation between luminosity and pulsar age.