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- Acero, F. (author)
HESS upper limits on very high energy gamma-ray emission from the microquasar GRS 1915+105
- Article/chapterEnglish2009
Publisher, publication year, extent ...
- 2009-11-04
- EDP Sciences,2009
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-59420
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-59420URI
- https://doi.org/10.1051/0004-6361/200913389DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-32196URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-30257URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
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Notes
- authorCount :175
- QC 20110408
- Context. High energy particles reside in the relativistic jets of microquasars, making them possible sources of very high energy radiation (VHE, > 100 GeV). Detecting this emission would provide a new handle on jet physics. Aims. Observations of the microquasar GRS 1915+105 with the HESS telescope array were undertaken in 2004-2008 to search for VHE emission. Methods. Stereoscopic imaging of Cherenkov radiation from extensive air showers is used to reconstruct the energy and direction of the incident gamma rays. Results. There is no evidence for a VHE gamma-ray signal either from the direction of the microquasar or its vicinity. An upper limit of 6.1 x 10(-13) ph cm(-2) s(-1) (99.9% confidence level) is set on the photon flux above 410 GeV, equivalent to a VHE luminosity of similar to 10(34) erg s(-1) at 11 kpc. Conclusions. The VHE to X-ray luminosity ratio in GRS 1915+105 is at least four orders of magnitude lower than the ratio observed in gamma-ray binaries. The VHE radiative efficiency of the compact jet is less than 0.01% based on its estimated total power of 10(38) erg s(-1). Particle acceleration in GRS 1915+105 is not efficient at high energies and/or the magnetic field is too strong. It is also possible that VHE gamma-rays are produced by GRS 1915+105, but the emission is highly time-dependent.
Subject headings and genre
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
- NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
- X-rays: binaries
- X-rays: individuals: GRS 1915+105
- gamma rays: observations
- Physics
- Fysik
- Astronomy and astrophysics
- Astropartikelfysik
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- Aharonian, F. (author)
- Akhperjanian, A. G. (author)
- Anton, G. (author)
- de Almeida, U. Barres (author)
- Bazer-Bachi, A. R. (author)
- Becherini, Yvonne (author)
- Behera, B. (author)
- Bernloehr, K. (author)
- Bochow, A. (author)
- Boisson, C. (author)
- Bolmont, J. (author)
- Borrel, V. (author)
- Brucker, J. (author)
- Brun, F. (author)
- Brun, P. (author)
- Bulik, T. (author)
- Buesching, I. (author)
- Boutelier, T. (author)
- Punch, M.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, France(Swepub:lnu)mipuaa (author)
- Charbonnier, A. (author)
- Chaves, R. C. G. (author)
- Cheesebrough, A. (author)
- Conrad, JanStockholms universitet,Fysikum(Swepub:su)conrad (author)
- Chounet, L. -M (author)
- Clapson, A. C. (author)
- Coignet, G. (author)
- Dalton, M. (author)
- Daniel, M. K. (author)
- Davids, I. D. (author)
- Degrange, B. (author)
- Deil, C. (author)
- Dickinson, H. J. (author)
- Djannati-Atai, A. (author)
- Domainko, W. (author)
- Drury, L. O 'C. (author)
- Dubois, F. (author)
- Dubus, G. (author)
- Dyks, J. (author)
- Dyrda, M. (author)
- Egberts, K. (author)
- Eger, P. (author)
- Espigat, P. (author)
- Fallon, L. (author)
- Farnier, C. (author)
- Fegan, S. (author)
- Feinstein, F. (author)
- Fiasson, A. (author)
- Foerster, A. (author)
- Fontaine, G. (author)
- Fuessling, M. (author)
- Gabici, S. (author)
- Gallant, Y. A. (author)
- Gerard, L. (author)
- Gerbig, D. (author)
- Giebels, B. (author)
- Glicenstein, J. F. (author)
- Glueck, B. (author)
- Goret, P. (author)
- Goering, D. (author)
- Hauser, M. (author)
- Heinz, S. (author)
- Heinzelmann, G. (author)
- Henri, G. (author)
- Hermann, G. (author)
- Hinton, J. A. (author)
- Hoffmann, A. (author)
- Hofmann, W. (author)
- Hofverberg, P. (author)
- Holleran, M. (author)
- Hoppe, S. (author)
- Horns, D. (author)
- Jacholkowska, A. (author)
- de Jager, O. C. (author)
- Jahn, C. (author)
- Jung, I. (author)
- Katarzynski, K. (author)
- Katz, U. (author)
- Kaufmann, S. (author)
- Kerschhaggl, M. (author)
- Khangulyan, D. (author)
- Khelifi, B. (author)
- Keogh, D. (author)
- Klochkov, D. (author)
- Kluzniak, W. (author)
- Kneiske, T. (author)
- Komin, Nu. (author)
- Kosack, K. (author)
- Kossakowski, R. (author)
- Lamanna, G. (author)
- Lenain, J. -P (author)
- Lohse, T. (author)
- Marandon, V. (author)
- Marcowith, A. (author)
- Masbou, J. (author)
- Maurin, D. (author)
- McComb, T. J. L. (author)
- Medina, M. C. (author)
- Mehault, J. (author)
- Moderski, R. (author)
- Moulin, E. (author)
- Naumann-Godo, M. (author)
- de Naurois, M. (author)
- Nedbal, D. (author)
- Nekrassov, D. (author)
- Nicholas, B. (author)
- Niemiec, J. (author)
- Nolan, S. J. (author)
- Ohm, S. (author)
- Olive, J-F (author)
- Wilhelmi, E. de Ona (author)
- Orford, K. J. (author)
- Ostrowski, M. (author)
- Panter, M. (author)
- Arribas, M. Paz (author)
- Pedaletti, G. (author)
- Pelletier, G. (author)
- Petrucci, P. -O (author)
- Pita, S. (author)
- Puehlhofer, G. (author)
- Punch, M. (author)
- Quirrenbach, A. (author)
- Raubenheimer, B. C. (author)
- Raue, M. (author)
- Rayner, S. M. (author)
- Reimer, O. (author)
- Renaud, M. (author)
- de los Reyes, R. (author)
- Rieger, F. (author)
- Ripken, JoachimStockholms universitet,Fysikum(Swepub:su)ripken (author)
- Rob, L. (author)
- Rosier-Lees, S. (author)
- Rowell, G. (author)
- Rudak, B. (author)
- Rulten, C. B. (author)
- Ruppel, J. (author)
- Ryde, FelixKTH,Partikel- och astropartikelfysik(Swepub:kth)u1tlyg6w (author)
- Sahakian, V. (author)
- Santangelo, A. (author)
- Schlickeiser, R. (author)
- Schoeck, F. M. (author)
- Schoenwald, A. (author)
- Schwanke, U. (author)
- Schwarzburg, S. (author)
- Schwemmer, S. (author)
- Shalchi, A. (author)
- Sushch, I. (author)
- Sikora, M. (author)
- Skilton, J. L. (author)
- Sol, H. (author)
- Stawarz, L. (author)
- Steenkamp, R. (author)
- Stegmann, C. (author)
- Stinzing, F. (author)
- Superina, G. (author)
- Szostek, A. (author)
- Tam, P. H. (author)
- Tavernet, J. -P (author)
- Terrier, R. (author)
- Tibolla, O. (author)
- Tluczykont, M. (author)
- van Eldik, C. (author)
- Vasileiadis, G. (author)
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- Vorobiov, S. (author)
- Wagner, S. J. (author)
- Ward, M. (author)
- Zdziarski, A. A. (author)
- Zech, A. (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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- In:Astronomy and Astrophysics: EDP Sciences508:3, s. 1135-11400004-63611432-0746
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- Voelk, H. J.
- Volpe, F.
- Vorobiov, S.
- Wagner, S. J.
- Ward, M.
- Zdziarski, A. A.
- Zech, A.
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