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- Abramowski, A. (author)
Identification of HESS J1303-631 as a pulsar wind nebula through gamma-ray, X-ray, and radio observations
- Article/chapterEnglish2012
Publisher, publication year, extent ...
- 2012-11-19
- EDP Sciences,2012
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:lnu-30214
- https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-30214URI
- https://doi.org/10.1051/0004-6361/201219814DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-86495URI
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- Language:English
- Summary in:English
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- AuthorCount:197;
- Aims. The previously unidentified very high-energy (VHE; E > 100 GeV) gamma-ray source HESS J1303-631, discovered in 2004, is re-examined including new data from the H. E. S. S. Cherenkov telescope array in order to identify this object. Archival data from the XMM-Newton X-ray satellite and from the PMN radio survey are also examined. Methods. Detailed morphological and spectral studies of VHE gamma-ray emission as well as of the XMM-Newton X-ray data are performed. Radio data from the PMN survey are used as well to construct a leptonic model of the source. The gamma-ray and X-ray spectra and radio upper limit are used to construct a one zone leptonic model of the spectral energy distribution (SED). Results. Significant energy-dependent morphology of the gamma-ray source is detected with high-energy emission (E > 10 TeV) positionally coincident with the pulsar PSR J1301-6305 and lower energy emission (E < 2 TeV) extending similar to 0.4 degrees to the southeast of the pulsar. The spectrum of the VHE source can be described with a power-law with an exponential cut-off N-0 = (5.6 +/- 0.5) x 10(-12) TeV-1 cm(-2) s(-1), Gamma = 1.5 +/- 0.2) and E-cut = (7.7 +/- 2.2) TeV. The pulsar wind nebula (PWN) is also detected in X-rays, extending similar to 2-3' from the pulsar position towards the center of the gamma-ray emission region. A potential radio counterpart from the PMN survey is also discussed, showing a hint for a counterpart at the edge of the X-ray PWN trail and is taken as an upper limit in the SED. The extended X-ray PWN has an unabsorbed flux of F2-10 (keV) similar to 1.6(-0.4)(+0.2) x 10(-13) erg cm(-2)s(-1) and is detected at a significance of 6.5 sigma. The SED is well described by a one zone leptonic scenario which, with its associated caveats, predicts a very low average magnetic field for this source. Conclusions. Significant energy-dependent morphology of this source, as well as the identification of an associated X-ray PWN from XMM-Newton observations enable identification of the VHE source as an evolved PWN associated to the pulsar PSR J1301-6305. This identification is supported by the one zone leptonic model, which suggests that the energetics of the gamma-ray and X-ray radiation are such that they may have a similar origin in the pulsar nebula. However, the large discrepancy in emission region sizes and the low level of synchrotron radiation suggest a multi-population leptonic nature. The low implied magnetic field suggests that the PWN has undergone significant expansion. This would explain the low level of synchrotron radiation and the difficulty in detecting counterparts at lower energies, the reason this source was originally classified as a "dark" VHE gamma-ray source.
Subject headings and genre
- NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
- NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
- Gamma rays: general
- pulsars: individual: PSR J1301-6305
- ISM: individual objects: HESS J1303-631
- Astropartikelfysik
- Astroparticle Physics
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- Acero, F. (author)
- Aharonian, F. (author)
- Akhperjanian, A. G. (author)
- Anton, G. (author)
- Balenderan, S. (author)
- Balzer, A. (author)
- Barnacka, A. (author)
- Becherini, Yvonne (author)
- Becker, J. (author)
- Bernloehr, K. (author)
- Birsin, E. (author)
- Biteau, J. (author)
- Bochow, A. (author)
- Boisson, C. (author)
- Bolmont, J. (author)
- Bordas, P. (author)
- Brucker, J. (author)
- Brun, F. (author)
- Brun, P. (author)
- Bulik, T. (author)
- Buesching, I. (author)
- Carrigan, S. (author)
- Casanova, S. (author)
- Cerruti, M. (author)
- Punch, MichaelUniv Paris Diderot, APC, AstroParticule & Cosmology, CNRS,IN2P3,CEA,Irfu, Observ Paris,Sorbonne Paris C, 10 Rue Alice Domon & Leonie Duquet, F-75205 Paris 13, France(Swepub:lnu)mipuaa (author)
- Charbonnier, A. (author)
- Chaves, R. C. G. (author)
- Cheesebrough, A. (author)
- Cologna, G. (author)
- Conrad, JanStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)conrad (author)
- Couturier, C. (author)
- Dalton, M. (author)
- Daniel, M. K. (author)
- Davids, I. D. (author)
- Degrange, B. (author)
- Deil, C. (author)
- Dickinson, Hugh J.Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)hdick (author)
- Djannati-Atai, A. (author)
- Domainko, W. (author)
- Drury, L. O 'C. (author)
- Dubus, G. (author)
- Dutson, K. (author)
- Dyks, J. (author)
- Dyrda, M. (author)
- Egberts, K. (author)
- Eger, P. (author)
- Espigat, P. (author)
- Fallon, L. (author)
- Farnier, ChristianStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)cfarn (author)
- Fegan, S. (author)
- Feinstein, F. (author)
- Fernandes, M. V. (author)
- Fiasson, A. (author)
- Fontaine, G. (author)
- Foerster, A. (author)
- Fuessling, M. (author)
- Gajdus, M. (author)
- Gallant, Y. A. (author)
- Garrigoux, T. (author)
- Gast, H. (author)
- Gerard, L. (author)
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- Glicenstein, J. F. (author)
- Glueck, B. (author)
- Goering, D. (author)
- Grondin, M. -H (author)
- Haeffner, S. (author)
- Hague, J. D. (author)
- Hahn, J. (author)
- Hampf, D. (author)
- Harris, J. (author)
- Hauser, M. (author)
- Heinz, S. (author)
- Heinzelmann, G. (author)
- Henri, G. (author)
- Hermann, G. (author)
- Hillert, A. (author)
- Hinton, J. A. (author)
- Hofmann, W. (author)
- Hofverberg, P. (author)
- Holler, M. (author)
- Horns, D. (author)
- Jacholkowska, A. (author)
- Jahn, C. (author)
- Jamrozy, M. (author)
- Jung, I. (author)
- Kastendieck, M. A. (author)
- Katarzynski, K. (author)
- Katz, U. (author)
- Kaufmann, S. (author)
- Khelifi, B. (author)
- Klochkov, D. (author)
- Kluzniak, W. (author)
- Kneiske, T. (author)
- Komin, Nu (author)
- Kosack, K. (author)
- Kossakowski, R. (author)
- Krayzel, F. (author)
- Laffon, H. (author)
- Lamanna, G. (author)
- Lenain, J. -P (author)
- Lennarz, D. (author)
- Lohse, T. (author)
- Lopatin, A. (author)
- Lu, C. -C (author)
- Marandon, V. (author)
- Marcowith, A. (author)
- Masbou, J. (author)
- Maurin, G. (author)
- Maxted, N. (author)
- Mayer, M. (author)
- McComb, T. J. L. (author)
- Medina, M. C. (author)
- Mehault, J. (author)
- Menzler, U. (author)
- Moderski, R. (author)
- Mohamed, M. (author)
- Moulin, E. (author)
- Naumann, C. L. (author)
- Naumann-Godo, M. (author)
- de Naurois, M. (author)
- Nedbal, D. (author)
- Nekrassov, D. (author)
- Nguyen, N. (author)
- Nicholas, B. (author)
- Niemiec, J. (author)
- Nolan, S. J. (author)
- Ohm, S. (author)
- Wilhelmi, E. de Ona (author)
- Opitz, B. (author)
- Ostrowski, M. (author)
- Oya, I. (author)
- Panter, M. (author)
- Arribas, M. Paz (author)
- Pekeur, N. W. (author)
- Pelletier, G. (author)
- Perez, J. (author)
- Petrucci, P. -O (author)
- Peyaud, B. (author)
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- Puehlhofer, G. (author)
- Punch, MichaelUniv Paris Diderot, APC, AstroParticule & Cosmology, CNRS,IN2P3,CEA,Irfu, Observ Paris,Sorbonne Paris C, 10 Rue Alice Domon & Leonie Duquet, F-75205 Paris 13, France(Swepub:lnu)mipuaa (author)
- Quirrenbach, A. (author)
- Raue, M. (author)
- Reimer, A. (author)
- Reimer, O. (author)
- Renaud, M. (author)
- de los Reyes, R. (author)
- Rieger, F. (author)
- Ripken, JoachimStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)ripken (author)
- Rob, L. (author)
- Rosier-Lees, S. (author)
- Rowell, G. (author)
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- Rulten, C. B. (author)
- Sahakian, V. (author)
- Sanchez, D. A. (author)
- Santangelo, A. (author)
- Schlickeiser, R. (author)
- Schulz, A. (author)
- Schwanke, U. (author)
- Schwarzburg, S. (author)
- Schwemmer, S. (author)
- Sheidaei, F. (author)
- Skilton, J. L. (author)
- Sol, H. (author)
- Spengler, G. (author)
- Stawarz, L. (author)
- Steenkamp, R. (author)
- Stegmann, C. (author)
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- Stycz, K. (author)
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- Zdziarski, A. A. (author)
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- Zechlin, H. -S (author)
- Univ Paris Diderot, APC, AstroParticule & Cosmology, CNRS,IN2P3,CEA,Irfu, Observ Paris,Sorbonne Paris C, 10 Rue Alice Domon & Leonie Duquet, F-75205 Paris 13, FranceFysikum (creator_code:org_t)
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- Komin, Nu
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- Mehault, J.
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- Mohamed, M.
- Moulin, E.
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- Naumann-Godo, M.
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- Nekrassov, D.
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- Nolan, S. J.
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- Reimer, O.
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- Sushch, I.
- Szostek, A.
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- Vorster, M.
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- White, R.
- Wierzcholska, A.
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- Zajczyk, A.
- Zdziarski, A. A.
- Zech, A.
- Zechlin, H. -S
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