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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
HESS very-high-energy gamma-ray sources without identified counterparts
Astronomy and Astrophysics, Volume 477, No. 1, Year 2008
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Description
Context. The detection of gamma rays in the very-high-energy (VHE) energy range (100 GeV-100 TeV) provides a direct view of the parent population of ultra-relativistic particles found in astrophysical sources. For this reason, VHE gamma rays are useful for understanding the underlying astrophysical processes in non-thermal sources. Aims. We investigate unidentified VHE gamma-ray sources that have been discovered with HESS in the most sensitive blind survey of the Galactic plane at VHE energies conducted so far. Methods. The HESS array of imaging atmospheric Cherenkov telescopes (IACTs) has a high sensitivity compared with previous instruments (∼0.01 Crab in 25 h observation time for a 5σ point-source detection), and with its large field of view, is well suited for scan-based observations. The on-going HESS survey of the inner Galaxy has revealed a large number of new VHE sources, and for each we attempt to associate the VHE emission with multi-wavelength data in the radio through X-ray wavebands. Results. For each of the eight unidentified VHE sources considered here, we present the energy spectra and. sky maps of the sources and their environment. The VHE morphology is compared with available multi-wavelength data (mainly radio and X-rays). No plausible counterparts are found. © ESO 2007.
Authors & Co-Authors
Aharonian, F. A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Akhperjanian, Ashot G.
Armenia, Yerevan
Yerevan Physics Institute
de Almeida, Ulisses Barres
United Kingdom, Durham
Durham University
Bazer-Bachi, A. R.
France, Toulouse
Université Toulouse Iii - Paul Sabatier
Behera, Bagmeet
Germany, Heidelberg
Universität Heidelberg
Beilicke, Matthias
Germany, Hamburg
Universität Hamburg
Benbow, Wystan R.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Bernlöhr, Konrad
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Germany, Berlin
Humboldt-universität zu Berlin
Boisson, Catherine
France, Paris
L'observatoire de Paris
Bolz, O.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Borrel, V.
France, Toulouse
Université Toulouse Iii - Paul Sabatier
Braun, Isabel
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Brion, E.
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Brown, Anthony M.
United Kingdom, Durham
Durham University
Buehler, Rolf
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Bulk, Tomasz
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Büsching, Ingo
South Africa, Potchefstroom
North-west University
Boutelier, Timothe
France, Saint Martin D'heres
Université Grenoble Alpes
Carrigan, Svenja
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Chadwick, Paula M.
United Kingdom, Durham
Durham University
Chounet, L. M.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Clapson, André Claude
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Coignet, G. G.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Cornus, R.
Germany, Hamburg
Universität Hamburg
Costamante, Luigi
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Dalton, Matthew L.
Germany, Berlin
Humboldt-universität zu Berlin
Degrange, Bernard
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Dickinson, Hugh J.
United Kingdom, Durham
Durham University
Djannati-Ataï, Arache
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Domainko, Wilfried F.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Drury, Luke O'C
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Dubois, Florent
France, Paris
Cnrs Centre National de la Recherche Scientifique
Dubus, Guillaume
France, Saint Martin D'heres
Université Grenoble Alpes
Dyks, Jarosław
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Egberts, Kathrin
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Emmanoulopoulos, Dimitrios
Germany, Heidelberg
Universität Heidelberg
Espigat, P.
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Farnier, Christian
France, Montpellier
Université de Montpellier
Feinstein, Fabrice
France, Montpellier
Université de Montpellier
Fiasson, Armand
France, Montpellier
Université de Montpellier
Förster, Andreas
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Fontaine, Gérard
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Funk, Seb
Germany, Berlin
Humboldt-universität zu Berlin
Füssling, Matthias
Germany, Berlin
Humboldt-universität zu Berlin
Gallant, Yves A.
France, Montpellier
Université de Montpellier
Giebels, Berrie
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Glicenstein, Jean François
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Glück, B.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Goret, Philippe
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Hadjichristidis, C. N.
United Kingdom, Durham
Durham University
Häuser, D.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hauser, Marcus
Germany, Heidelberg
Universität Heidelberg
Heinzelmann, Götz
Germany, Hamburg
Universität Hamburg
Henri, Gilles
France, Saint Martin D'heres
Université Grenoble Alpes
Hermann, German
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Hinton, James A.J.A.
United Kingdom, Leeds
University of Leeds
Hoffmann, Agnes I.D.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Hofmann, Werner
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Holleran, M.
South Africa, Potchefstroom
North-west University
Hoppe, S.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Horns, Dieter
Germany, Tubingen
Eberhard Karls Universität Tübingen
Jachołkowska, Agnieszka
France, Montpellier
Université de Montpellier
de Jager, Ocker C.
South Africa, Potchefstroom
North-west University
Jung, L.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Katarzyński, Krzysztof
Poland, Torun
Uniwersytet Mikołaja Kopernika w Toruniu
Kendziorra, Eckehard
Germany, Tubingen
Eberhard Karls Universität Tübingen
Kerschhaggl, Matthias
Germany, Berlin
Humboldt-universität zu Berlin
Khélifi, Bruno
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Keogh, D.
United Kingdom, Durham
Durham University
Komin, Nukri
France, Montpellier
Université de Montpellier
Kosack, Karl
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Lamanna, Giovanni
France, Paris
Cnrs Centre National de la Recherche Scientifique
Latham, John
United Kingdom, Durham
Durham University
Lemière, Anne
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Lemoine-Goumard, Marianne
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Lenain, Jean Philippe
France, Paris
L'observatoire de Paris
Lohse, Thomas
Germany, Berlin
Humboldt-universität zu Berlin
Martin, Jean Marc
France, Paris
L'observatoire de Paris
Martineau-Huynh, Olivier
France, Paris
Sorbonne Université
Marcowith, Alexandre
France, Montpellier
Université de Montpellier
Masterson, Conor
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Maurin, David
France, Paris
Sorbonne Université
Maurin, Guillaume T.
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
McComb, T. J.Lowry
United Kingdom, Durham
Durham University
Moderski, Rafaƚ
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Moulin, Emmanuel
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
de Naurois, Mathieu
France, Paris
Sorbonne Université
Nedbal, Dalibor
Czech Republic, Prague
Charles University
Nolan, Sam J.
United Kingdom, Durham
Durham University
Ohm, Stefan
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Olive, J. P.
France, Toulouse
Université Toulouse Iii - Paul Sabatier
De Oña Wilhelmi, Emma
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Orford, K. J.
United Kingdom, Durham
Durham University
Osborne, J. L.
United Kingdom, Durham
Durham University
Ostrowski, Michałl
Poland, Krakow
Uniwersytet Jagielloński
Panter, M.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Pedaletti, Giovanna
Germany, Heidelberg
Universität Heidelberg
Pelletier, Guy
France, Saint Martin D'heres
Université Grenoble Alpes
Petrucci, Pierre Olivier
France, Saint Martin D'heres
Université Grenoble Alpes
Pita, Santiago
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Pûhlhofer, Gerd
Germany, Heidelberg
Universität Heidelberg
Punch, Michael
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Ranchón, S.
France, Paris
Cnrs Centre National de la Recherche Scientifique
Raubenheimer, B. Christo
South Africa, Potchefstroom
North-west University
Raue, Martin
Germany, Hamburg
Universität Hamburg
Rayner, S. M.
United Kingdom, Durham
Durham University
Renaud, Matthieu
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Ripken, Joachim
Germany, Hamburg
Universität Hamburg
Rob, L.
Czech Republic, Prague
Charles University
Rolland, Loïc
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Rosier-Lees, Sylvie
France, Paris
Cnrs Centre National de la Recherche Scientifique
Rowell, Gavin P.
Australia, Adelaide
The University of Adelaide
Rudak, Bronisław
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Sahakian, Vardan H.
Armenia, Yerevan
Yerevan Physics Institute
Santangelo, Andrea E.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Schlickeiser, Reinhard
Germany, Bochum
Ruhr-universitat Bochum
Schöck, Fabian M.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Schröder, R.
Germany, Bochum
Ruhr-universitat Bochum
Schwanke, Ullrich
Germany, Berlin
Humboldt-universität zu Berlin
Schwarzburg, S.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Shalchi, Andreas
Germany, Bochum
Ruhr-universitat Bochum
Sol, Hélène
France, Paris
L'observatoire de Paris
Spangler, D.
United Kingdom, Durham
Durham University
Stawarz, Łukasz
Poland, Krakow
Uniwersytet Jagielloński
Steenkamp, R.
Namibia, Windhoek
University of Namibia
Stegmann, Christian
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Superina, Giulia
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Tavernet, Jean Paul
France, Paris
Sorbonne Université
Terrier, Régis
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Van Eldik, Christopher
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Vasileiadis, Georges
France, Montpellier
Université de Montpellier
Venter, C.
South Africa, Potchefstroom
North-west University
Vincent, Pierre
France, Paris
Sorbonne Université
Vivier, Matthieu
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Völk, Heinrich J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Volpe, Francesca
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Wagner, Stefan J.
Germany, Heidelberg
Universität Heidelberg
Ward, Martin J.
United Kingdom, Durham
Durham University
Zdziarski, Andrzej A.
Poland, Warsaw
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
Zech, Andreas
France, Paris
L'observatoire de Paris
Statistics
Citations: 207
Authors: 140
Affiliations: 27
Identifiers
Doi:
10.1051/0004-6361:20078516
ISSN:
00046361
Research Areas
Disability
Environmental
Study Design
Cross Sectional Study
Study Approach
Quantitative