HESS J1632-478: An energetic relic

Balbo, Matteo and Saouter, P. and Walter, R. and Pavan, L. and Tramacere, A. and Pohl, M. and Zurita-Heras, J.-A. (2011) HESS J1632-478: An energetic relic. Il nuovo cimento C, 34 (3). pp. 197-200. ISSN 1826-9885

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HESS J1632-478 is an extended and still unidentified TeV source in the galactic plane. In order to identify the source of the very high energy emission and to constrain its spectral energy distribution, we used a deep observation of the field obtained with XMM-Newton together with data from Molonglo, Spitzer and Fermi to detect counterparts at other wavelengths. The spectral energy density features two large prominent bumps with the synchrotron emission peaking in the ultraviolet and the external inverse Compton emission peaking in the TeV. HESS J1632-478 is an energetic pulsar wind nebula with an age of the order of 104 years. Its bolometric (mostly GeV-TeV) luminosity reaches 10% of the current pulsar spin down power. The synchrotron nebula has a size of 1 pc and contains an unresolved point-like X-ray source, probably the pulsar with its wind termination shock.

Item Type: Article
Uncontrolled Keywords: Interstellar medium (ISM) and nebulae in Milky Way ; Pulsars ; γ-ray sources; γ-ray bursts
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 06 Apr 2020 18:39
Last Modified: 06 Apr 2020 18:39
URI: http://eprints.bice.rm.cnr.it/id/eprint/17267

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