Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/49608
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Type: Journal article
Title: Discovery of a point-like very-high-energy γ-ray source in Monoceros
Other Titles: Discovery of a point-like very-high-energy gamma-ray source in Monoceros
Author: Aharonian, F.
Akhperjanian, A.
Bazer-Bachi, A.
Behera, B.
Beilicke, M.
Benbow, W.
Berge, D.
Bernlohr, K.
Boisson, C.
Bolz, O.
Borrel, V.
Braun, I.
Brion, E.
Brown, A.
Buhler, R.
Busching, I.
Boutelier, T.
Carrigan, S.
Chadwick, P.
Chounet, L.
et al.
Citation: Astronomy and Astrophysics: a European journal, 2007; 469(1):L1-L4
Publisher: EDP Sciences
Issue Date: 2007
ISSN: 0004-6361
1432-0746
Statement of
Responsibility: 
F. A. Aharonian ... G. Rowell ... et al.
Abstract: Aims. The complex Monoceros Loop SNR/Rosette Nebula region contains several potential sources of very-high-energy (VHE) γ-ray emission and two as yet unidentified high-energy EGRET sources. Sensitive VHE observations are required to probe acceleration processes in this region. Methods. The HESS telescope array has been used to search for very high-energy γ-ray sources in this region. CO data from the NANTEN telescope were used to map the molecular clouds in the region, which could act as target material for γ-ray production via hadronic interactions. Results. We announce the discovery of a new γ-ray source, HESS J0632+057, located close to the rim of the Monoceros SNR. This source is unresolved by HESS and has no clear counterpart at other wavelengths but is possibly associated with the weak X-ray source 1RXS J063258.3+054857, the Be-star MWC148 and/or the lower energy γ-ray source 3EGJ0634+0521. No evidence for an associated molecular cloud was found in the CO data.
Keywords: gamma rays: observations
Description: Letter to the Editor
Rights: © ESO 2007. Article published by EDP Sciences
DOI: 10.1051/0004-6361:20077299
Published version: http://dx.doi.org/10.1051/0004-6361:20077299
Appears in Collections:Aurora harvest
Chemistry and Physics publications

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