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PG 1553+113 : FIVE YEARS OF OBSERVATIONS WITH MAGIC

Aleksic, J. (author)
Alvarez, E. A. (author)
Antonelli, L. A. (author)
show more...
Antoranz, P. (author)
Asensio, M. (author)
Backes, M. (author)
Barrio, J. A. (author)
Bastieri, D. (author)
Becerra Gonzalez, J. (author)
Bednarek, W. (author)
Berdyugin, A. (author)
Berger, K. (author)
Bernardini, E. (author)
Biland, A. (author)
Blanch, O. (author)
Bock, R. K. (author)
Boller, A. (author)
Bonnoli, G. (author)
Tridon, D. Borla (author)
Braun, I. (author)
Bretz, T. (author)
Canellas, A. (author)
Carmona, E. (author)
Carosi, A. (author)
Colin, P. (author)
Colombo, E. (author)
Contreras, J. L. (author)
Cortina, J. (author)
Cossio, L. (author)
Covino, S. (author)
Dazzi, F. (author)
De Angelis, A. (author)
De Caneva, G. (author)
De Cea del Pozo, E. (author)
De Lotto, B. (author)
Delgado Mendez, C. (author)
Diago Ortega, A. (author)
Doert, M. (author)
Dominguez, A. (author)
Prester, D. Dominis (author)
Dorner, D. (author)
Doro, M. (author)
Elsaesser, D. (author)
Ferenc, D. (author)
Fonseca, M. V. (author)
Font, L. (author)
Fruck, C. (author)
Garcia Lopez, R. J. (author)
Garczarczyk, M. (author)
Garrido, D. (author)
Giavitto, G. (author)
Godinovic, N. (author)
Hadasch, D. (author)
Haefner, D. (author)
Herrero, A. (author)
Hildebrand, D. (author)
Ohne-Moench, D. H. (author)
Hose, J. (author)
Hrupec, D. (author)
Huber, B. (author)
Jogler, T. (author)
Kellermann, H. (author)
Klepser, S. (author)
Kraehenbuehl, T. (author)
Krause, J. (author)
La Barbera, A. (author)
Lelas, D. (author)
Leonardo, E. (author)
Lindfors, E. (author)
Lombardi, S. (author)
Lopez, M. (author)
Lopez-Oramas, A. (author)
Lorenz, E. (author)
Makariev, M. (author)
Maneva, G. (author)
Mankuzhiyil, N. (author)
Mannheim, K. (author)
Maraschi, L. (author)
Mariotti, M. (author)
Martinez, M. (author)
Mazin, D. (author)
Meucci, M. (author)
Miranda, J. M. (author)
Mirzoyan, R. (author)
Miyamoto, H. (author)
Moldon, J. (author)
Moralejo, A. (author)
Munar-Adrover, P. (author)
Nieto, D. (author)
Nilsson, K. (author)
Orito, R. (author)
Oya, I. (author)
Paneque, D. (author)
Paoletti, R. (author)
Pardo, S. (author)
Paredes, J. M. (author)
Partini, S. (author)
Pasanen, M. (author)
Pauss, F. (author)
Perez-Torres, M. A. (author)
Persic, M. (author)
Peruzzo, L. (author)
Pilia, M. (author)
Pochon, J. (author)
Prada, F. (author)
Moroni, P. G. Prada (author)
Prandini, E. (author)
Puljak, I. (author)
Reichardt, I. (author)
Reinthal, R. (author)
Rhode, W. (author)
Ribo, M. (author)
Rico, J. (author)
Ruegamer, S. (author)
Saggion, A. (author)
Saito, K. (author)
Saito, T. Y. (author)
Salvati, M. (author)
Satalecka, K. (author)
Scalzotto, V. (author)
Scapin, V. (author)
Schultz, C. (author)
Schweizer, T. (author)
Shayduk, M. (author)
Shore, S. N. (author)
Sillanpaa, A. (author)
Sitarek, J. (author)
Sobczynska, D. (author)
Spanier, F. (author)
Spiro, S. (author)
Stamatescu, V. (author)
Stamerra, A. (author)
Steinke, B. (author)
Storz, J. (author)
Strah, N. (author)
Suric, T. (author)
Takalo, L. (author)
Takami, H. (author)
Tavecchio, F. (author)
Temnikov, P. (author)
Terzic, T. (author)
Tescaro, D. (author)
Teshima, M. (author)
Tibolla, O. (author)
Torres, D. F. (author)
Treves, A. (author)
Uellenbeck, M. (author)
Vankov, H. (author)
Vogler, P. (author)
Wagner, R. M. (author)
Weitzel, Q. (author)
Zabalza, V. (author)
Zandanel, F. (author)
Zanin, R. (author)
Buson, S. (author)
Horan, D. (author)
Larsson, Stefan (author)
Stockholms universitet,Institutionen för astronomi
D'Ammando, F. (author)
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 (creator_code:org_t)
2012
2012
English.
In: Astrophysical Journal. - 0004-637X .- 1538-4357. ; 748:1, s. 46-
  • Journal article (peer-reviewed)
Abstract Subject headings
Close  
  • We present the results of five years (2005-2009) of MAGIC observations of the BL Lac object PG 1553+113 at very high energies (VHEs; E > 100 GeV). Power-law fits of the individual years are compatible with a steady mean photon index Gamma = 4.27 +/- 0.14. In the last three years of data, the flux level above 150 GeV shows a clear variability (probability of constant flux < 0.001%). The flux variations are modest, lying in the range from 4% to 11% of the Crab Nebula flux. Simultaneous optical data also show only modest variability that seems to be correlated with VHE gamma-ray variability. We also performed a temporal analysis of (all available) simultaneous Fermi/Large Area Telescope data of PG 1553+113 above 1 GeV, which reveals hints of variability in the 2008-2009 sample. Finally, we present a combination of the mean spectrum measured at VHEs with archival data available for other wavelengths. The mean spectral energy distribution can be modeled with a one-zone synchrotron self-Compton model, which gives the main physical parameters governing the VHE emission in the blazar jet.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

BL Lacertae objects: individual (PG 1553+113)
gamma rays: galaxies
radiation mechanisms: non-thermal

Publication and Content Type

ref (subject category)
art (subject category)

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By the author/editor
Aleksic, J.
Alvarez, E. A.
Antonelli, L. A.
Antoranz, P.
Asensio, M.
Backes, M.
show more...
Barrio, J. A.
Bastieri, D.
Becerra Gonzalez ...
Bednarek, W.
Berdyugin, A.
Berger, K.
Bernardini, E.
Biland, A.
Blanch, O.
Bock, R. K.
Boller, A.
Bonnoli, G.
Tridon, D. Borla
Braun, I.
Bretz, T.
Canellas, A.
Carmona, E.
Carosi, A.
Colin, P.
Colombo, E.
Contreras, J. L.
Cortina, J.
Cossio, L.
Covino, S.
Dazzi, F.
De Angelis, A.
De Caneva, G.
De Cea del Pozo, ...
De Lotto, B.
Delgado Mendez, ...
Diago Ortega, A.
Doert, M.
Dominguez, A.
Prester, D. Domi ...
Dorner, D.
Doro, M.
Elsaesser, D.
Ferenc, D.
Fonseca, M. V.
Font, L.
Fruck, C.
Garcia Lopez, R. ...
Garczarczyk, M.
Garrido, D.
Giavitto, G.
Godinovic, N.
Hadasch, D.
Haefner, D.
Herrero, A.
Hildebrand, D.
Ohne-Moench, D. ...
Hose, J.
Hrupec, D.
Huber, B.
Jogler, T.
Kellermann, H.
Klepser, S.
Kraehenbuehl, T.
Krause, J.
La Barbera, A.
Lelas, D.
Leonardo, E.
Lindfors, E.
Lombardi, S.
Lopez, M.
Lopez-Oramas, A.
Lorenz, E.
Makariev, M.
Maneva, G.
Mankuzhiyil, N.
Mannheim, K.
Maraschi, L.
Mariotti, M.
Martinez, M.
Mazin, D.
Meucci, M.
Miranda, J. M.
Mirzoyan, R.
Miyamoto, H.
Moldon, J.
Moralejo, A.
Munar-Adrover, P ...
Nieto, D.
Nilsson, K.
Orito, R.
Oya, I.
Paneque, D.
Paoletti, R.
Pardo, S.
Paredes, J. M.
Partini, S.
Pasanen, M.
Pauss, F.
Perez-Torres, M. ...
Persic, M.
Peruzzo, L.
Pilia, M.
Pochon, J.
Prada, F.
Moroni, P. G. Pr ...
Prandini, E.
Puljak, I.
Reichardt, I.
Reinthal, R.
Rhode, W.
Ribo, M.
Rico, J.
Ruegamer, S.
Saggion, A.
Saito, K.
Saito, T. Y.
Salvati, M.
Satalecka, K.
Scalzotto, V.
Scapin, V.
Schultz, C.
Schweizer, T.
Shayduk, M.
Shore, S. N.
Sillanpaa, A.
Sitarek, J.
Sobczynska, D.
Spanier, F.
Spiro, S.
Stamatescu, V.
Stamerra, A.
Steinke, B.
Storz, J.
Strah, N.
Suric, T.
Takalo, L.
Takami, H.
Tavecchio, F.
Temnikov, P.
Terzic, T.
Tescaro, D.
Teshima, M.
Tibolla, O.
Torres, D. F.
Treves, A.
Uellenbeck, M.
Vankov, H.
Vogler, P.
Wagner, R. M.
Weitzel, Q.
Zabalza, V.
Zandanel, F.
Zanin, R.
Buson, S.
Horan, D.
Larsson, Stefan
D'Ammando, F.
show less...
About the subject
NATURAL SCIENCES
NATURAL SCIENCES
and Physical Science ...
and Astronomy Astrop ...
Articles in the publication
Astrophysical Jo ...
By the university
Stockholm University

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