Zobrazeno 1 - 10
of 45
pro vyhledávání: '"C. A. Wiedner"'
Autor:
M. Tluczykont, S. Denninghoff, Konrad Bernlöhr, H. Bojahr, N. Götting, I. Jung, G. Pühlhofer, G. Hermann, H. Lampeitl, E. Lorenz, M. Panter, Felix Aharonian, M. Samorski, H. J. Meyer, G. Heinzelmann, M. Girma, M. Beilicke, F. Lucarelli, M. Schilling, Daniel Mazin, R. Mirzoyan, M. Kestel, Dieter Horns, A. Heusler, A. G. Akhperjanian, O. Bolz, A. Kohnle, V. Vitale, R. Kankanyan, W. Wittek, D. Sobzynska, D. Kranich, J. Ripken, M. Siems, Werner Hofmann, M. A. Lopez, O. Mang, Heinrich J. Völk, A. Plyasheshnikov, E. Ona-Wilhelmi, W. Stamm, Jose Luis Contreras, Juan Cortina, H. Börst, C. A. Wiedner, V. Fonseca, Gavin Rowell, R. de los Reyes, Abelardo Moralejo, V. Sahakian, Wolfgang Rhode, A. Konopelko, T. Coarasa
Publikováno v:
Astronomy & Astrophysics. 439:635-643
F. Aharonian, A. Akhperjanian, M. Beilicke, K. Bernlohr, H.-G. Borst, H. Bojahr, O. Bolz, T. Coarasa, J. Contreras, J. Cortina, S. Denninghoff, V. Fonseca, M. Girma, N. Gotting, G. Heinzelmann, G. Hermann, A. Heusler, W. Hofmann, D. Horns, I. Jung, R
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21bcc0ebb4438f1a8175440a9ae072f6
https://doi.org/10.1051/0004-6361:20042248
https://doi.org/10.1051/0004-6361:20042248
Autor:
F. Aharonian, A. Akhperjanian, M. Beilicke, K. Bernlohr, H.‐G. Borst, H. Bojahr, O. Bolz, T. Coarasa, J. L. Contreras, J. Cortina, S. Denninghoff, M. V. Fonseca, M. Girma, N. Gotting, G. Heinzelmann, G. Hermann, A. Heusler, W. Hofmann, D. Horns, I. Jung, R. Kankanyan, M. Kestel, A. Kohnle, A. Konopelko, D. Kranich, H. Lampeitl, M. Lopez, E. Lorenz, F. Lucarelli, O. Mang, D. Mazin, H. Meyer, R. Mirzoyan, A. Moralejo, E. Ona‐Wilhelmi, M. Panter, A. Plyasheshnikov, G. Puhlhofer, R. de los Reyes, W. Rhode, J. Ripken, G. Rowell, V. Sahakian, M. Samorski, M. Schilling, M. Siems, D. Sobzynska, W. Stamm, M. Tluczykont, V. Vitale, H. J. Volk, C. A. Wiedner, W. Wittek
Publikováno v:
The Astrophysical Journal. 614:897-913
The Crab supernova remnant has been observed regularly with the stereoscopic system of 5 imaging air Cherenkov telescopes that was part of the High Energy Gamma Ray Astronomy (HEGRA) experiment. In total, close to 400 hours of useful data have been c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eabaa7efaa576c9dd5cc97b48d77fec7
https://doi.org/10.1086/423931
https://doi.org/10.1086/423931
Autor:
H. J. Meyer, M. V. Fonseca, M. Tluczykont, S. Denninghoff, R. Mirzoyan, M. Samorski, H. Lampeitl, E. Lorenz, A. G. Akhperjanian, W. Stamm, M. Beilicke, J. Ripken, M. A. Lopez, M. Panter, A. Kohnle, Konrad Bernlöhr, Dieter Horns, H. Kornmeyer, H. Bojahr, Felix Aharonian, M. Girma, G. Hermann, D. Sobzynska, R. Kankanyan, I. Jung, M. Schilling, Heinrich J. Völk, Werner Hofmann, F. Lucarelli, M. Kestel, N. Götting, Gavin Rowell, A. Heusler, R. de los Reyes, O. Mang, V. Sahakian, A. Plyasheshnikov, A. Konopelko, Jose Luis Contreras, Juan Cortina, H. Börst, C. A. Wiedner, G. Heinzelmann, M. Siems, W. Wittek, O. Bolz, V. Vitale, Wolfgang Rhode, D. Kranich, Abelardo Moralejo, E. Ona-Wilhelmi, Gerd Pühlhofer, T. Coarasa
Publikováno v:
Astronomy & Astrophysics. 417:973-979
The array of 5 imaging atmospheric y Cerenkov telescopes (IACTs) deployed at La Palma (Canary Islands), and operated by the HEGRA (High Energy Gamma Ray Astronomy) collaboration, was used for observations of the Monoceros Loop SNR region for a total
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e26d2d88e760870be7689ac9c21c77c
https://doi.org/10.1051/0004-6361:20040011
https://doi.org/10.1051/0004-6361:20040011
TeVγ-ray light curve and energy spectrum of Mkn 421 during its 2001 flare as measured with HEGRA CT1
Autor:
Henric Krawczynski, M. A. Lopez, J. Ripken, M. Beilicke, H. Lampeitl, I. Sevilla, M. Kestel, M. Panter, David Paneque, E. Lorenz, Dieter Horns, W. Wittek, Robert Wagner, H. J. Meyer, M. Schilling, D. Kranich, Florian Goebel, M. Samorski, H. Bojahr, G. Hermann, Abelardo Moralejo, N. Tonello, Werner Hofmann, I. Jung, G. Heinzelmann, M. Tluczykont, Dorota Sobczyńska, Konrad Bernlöhr, Wolfgang Rhode, N. Götting, A. Plyasheshnikov, J. A. Coarasa, R. Kankanyan, A. Konopelko, A. Heusler, Jose Luis Contreras, Juan Cortina, H. Börst, C. A. Wiedner, A. Kohnle, M. Siems, T. Schweizer, O. Mang, Felix Aharonian, M. Girma, S. Denninghoff, E. Ona-Wilhelmi, Gerd Pühlhofer, W. Stamm, V. Fonseca, V. Sahakian, F. Lucarelli, Gavin Rowell, R. de los Reyes, R. Mirzoyan, J. Kettler, Heinrich J. Völk, A. G. Akhperjanian, O. Bolz, V. Vitale
Publikováno v:
Astronomy & Astrophysics. 410:813-821
In the first months of 2001 the AGN Mkn 421 showed highly variable, strong TeV activity at flux levels frequently exceeding 1 Crab. Here we present the light curve and energy spectrum of Mkn 421 as measured with the HEGRA stand alone telescope CT1. A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0bc639760e1f3b6d5bd009df974ab19
https://doi.org/10.1051/0004-6361:20031265
https://doi.org/10.1051/0004-6361:20031265
Autor:
M. A. Lopez, H. J. Meyer, Gavin Rowell, R. de los Reyes, N. Götting, W. Wittek, O. Bolz, W. Stamm, Konrad Bernlöhr, D. Sobzynska, Werner Hofmann, Jan Robrade, A. Kohnle, Felix Aharonian, M. Girma, V. Vitale, Abelardo Moralejo, M. V. Fonseca, M. Schilling, Gerd Pühlhofer, M. Panter, H. Lampeitl, Heinrich J. Völk, A. Plyasheshnikov, M. Kestel, E. Lorenz, V. Sahakian, T. Coarasa, A. Heusler, M. Samorski, M. Beilicke, A. Konopelko, Jose Luis Contreras, J. Ripken, Juan Cortina, H. Börst, M. Tluczykont, E. Ona-Wilhelmi, C. A. Wiedner, H. Bojahr, G. Hermann, R. Kankanyan, S. Denninghoff, D. Kranich, I. Jung, H. Kornmeyer, F. Lucarelli, Dieter Horns, O. Mang, Wolfgang Rhode, G. Heinzelmann, M. Siems, R. Mirzoyan, A. G. Akhperjanian
Publikováno v:
Astronomy & Astrophysics. 406:L9-L13
TeV γ-rays from the BL Lac object 1ES 1959+650 have been measured during the years 2000 and 2001 with a significance of 5.2 σ at a value of 5.3% of the Crab flux and in May 2002 during strong outbursts with >23 σ at a flux level of up to 2.2 Crab,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c8ae2f73b5136a84c0a1261eb345b1c
https://doi.org/10.1051/0004-6361:20030838
https://doi.org/10.1051/0004-6361:20030838
Autor:
F. Aharonian, A. Akhperjanian, M. Beilicke, K. Bernlöhr, H.-G. Börst, H. Bojahr, O. Bolz, T. Coarasa, J. L. Contreras, J. Cortina, S. Denninghoff, M. V. Fonseca, M. Girma, N. Götting, G. Heinzelmann, G. Hermann, A. Heusler, W. Hofmann, D. Horns, I. Jung, R. Kankanyan, M. Kestel, A. Kohnle, A. Konopelko, H. Kornmeyer, D. Kranich, H. Lampeitl, M. Lopez, E. Lorenz, F. Lucarelli, O. Mang, H. Meyer, R. Mirzoyan, A. Moralejo, E. Ona-Wilhelmi, M. Panter, A. Plyasheshnikov, G. Pühlhofer, null R. de los Reyes, W. Rhode, J. Ripken, G. Rowell, V. Sahakian, M. Samorski, M. Schilling, M. Siems, D. Sobzynska, W. Stamm, M. Tluczykont, V. Vitale, H. J. Völk, C. A. Wiedner, W. Wittek
Publikováno v:
Astronomy & Astrophysics. 403:L1-L5
For the first time an excess of photons above an energy threshold of 730 GeV from the giant radio galaxy M87 has been measured at a significance level above 4 sigma. The data have been taken during the years 1998 and 1999 with the HEGRA stereoscopic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffb678be26e5a60ec5364562da9a319a
https://doi.org/10.1051/0004-6361:20030372
https://doi.org/10.1051/0004-6361:20030372
Autor:
V. Sahakian, H. J. Gebauer, N. Magnussen, G. Rauterberg, Wolfgang Rhode, W. Stamm, Dieter Horns, D. Kranich, F. Lucarelli, Konrad Bernlöhr, Frank G. Schröder, V. Fonseca, M. Tluczykont, O. Bolz, A. Plyasheshnikov, A. Konopelko, Jose Luis Contreras, O. Mang, Juan Cortina, Abelardo Moralejo, H. Bojahr, H. Börst, H. Lampeitl, C. A. Wiedner, Felix Aharonian, G. Hermann, R. Plaga, H. Meyer, W. Wittek, Gavin Rowell, R. Mirzoyan, A. G. Akhperjanian, Juan Abel Barrio, E. Lorenz, I. Jung, Gerd Pühlhofer, R. Kankanyan, Werner Hofmann, A. Röhring, J. Kettler, Heinrich J. Völk, A. Heusler, M. A. Lopez, A. Ibarra, M. Siems, J. Prahl, H. Kornmayer, M. Samorski, C. Iserlohe, G. Heinzelmann, J. C. Gonzalez, M. Panter, M. Kestel, N. Götting, L. Padilla, M. Schilling, E. Ona, Henric Krawczynski, S. Denninghoff, A. Kohnle
Publikováno v:
Astroparticle Physics. 17:459-475
Using data from the HEGRA air shower array, taken in the period from April 1998 to March 2000, upper limits on the ratio Iγ/ICR of the diffuse photon flux Iγ to the hadronic cosmic ray flux ICR are determined for the energy region 20–100 TeV. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::946feea0a61351ab92249042a5d3545c
https://doi.org/10.1016/s0927-6505(01)00175-x
https://doi.org/10.1016/s0927-6505(01)00175-x
Autor:
G. Heinzelmann, R. Kankanyan, W. Stamm, H. J. Gebauer, M. A. Lopez, N. Götting, M. Tluczykont, L. Padilla, S. Denninghoff, Konrad Bernlöhr, J. C. Gonzalez, M. Panter, Frank G. Schröder, M. Siems, H. J. Meyer, V. Fonseca, R. Plaga, J. Prahl, N. Magnussen, I. Jung, Juan Abel Barrio, H. Lampeitl, O. Mang, A. Heusler, A. Plyasheshnikov, H. Kornmayer, Gavin Rowell, A. Konopelko, Jose Luis Contreras, A. Kohnle, V. Sahakian, Juan Cortina, H. Börst, M. Samorski, Wolfgang Rhode, O. Bolz, Abelardo Moralejo, C. A. Wiedner, F. Lucarelli, D. Kranich, Dieter Horns, G. Rauterberg, R. Mirzoyan, Werner Hofmann, Gerd Pühlhofer, A. G. Akhperjanian, J. Kettler, Heinrich J. Völk, E. Lorenz, A. Röhring, I. Sevilla, W. Wittek, D. Schmele, M. Schilling, Felix Aharonian, E. Ona, Henric Krawczynski, M. Kestel, H. Bojahr, G. Hermann
Publikováno v:
Astronomy & Astrophysics. 390:39-46
A search for potential point sources of very high energy gamma rays has been carried out on the data taken simul- taneously by the HEGRA AIROBICC and Scintillator arrays from August 1994 to March 2000. The list of sought sources includes supernova re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed547686e816ca92a4556901bb383aa3
https://doi.org/10.1051/0004-6361:20020686
https://doi.org/10.1051/0004-6361:20020686
Autor:
Felix Aharonian, Juan Abel Barrio, M. Girma, A. Plyasheshnikov, R. Plaga, Abelardo Moralejo, A. Konopelko, Jose Luis Contreras, Juan Cortina, H. Börst, R. Cornils, N. Götting, M. Schilling, L. Padilla, M. Kestel, A. Röhring, C. A. Wiedner, H. Lampeitl, M. Panter, Gerd Pühlhofer, A. Heusler, M. Beilicke, E. Ona, O. Bolz, M. Tluczykont, Henric Krawczynski, N. Magnussen, Gavin Rowell, I. Sevilla, J. Kettler, Heinrich J. Völk, Dieter Horns, M. A. Lopez, W. Stamm, R. Kankanyan, Konrad Bernlöhr, Frank G. Schröder, V. Fonseca, V. Sahakian, H. Kornmeyer, Jan Robrade, I. Jung, Werner Hofmann, D. Kranich, G. Rauterberg, J. C. Gonzalez, F. Lucarelli, S. Denninghoff, H. Bojahr, G. Hermann, M. Samorski, H. J. Meyer, A. Kohnle, Wolfgang Rhode, G. Heinzelmann, O. Mang, M. Siems, R. Mirzoyan, A. G. Akhperjanian, E. Lorenz, W. Wittek
Publikováno v:
Astronomy & Astrophysics. 384:L23-L26
The detection of TeV -rays from the blazar H 1426+428 at an integral flux level of (4 2stat 1syst) 10 12 erg cm 2 s 1 above 1 TeV with the HEGRA imaging atmospheric Cherenkov telescope system is reported. H 1426+428 is located at a redshift of z = 0.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04b9fe5ea6c880bc570f20e92acb95d2
https://doi.org/10.1051/0004-6361:20020206
https://doi.org/10.1051/0004-6361:20020206
Autor:
H. Krawczynski, R. Sambruna, A. Kohnle, P. S. Coppi, F. Aharonian, A. Akhperjanian, J. Barrio, K. Bernlohr, H. Borst, H. Bojahr, O. Bolz, J. Contreras, J. Cortina, S. Denninghoff, V. Fonseca, J. Gonzalez, N. Gotting, G. Heinzelmann, G. Hermann, A. Heusler, W. Hofmann, D. Horns, A. Ibarra, I. Jung, R. Kankanyan, M. Kestel, J. Kettler, A. Konopelko, H. Kornmeyer, D. Kranich, H. Lampeitl, E. Lorenz, F. Lucarelli, N. Magnussen, O. Mang, H. Meyer, R. Mirzoyan, A. Moralejo, L. Padilla, M. Panter, R. Plaga, A. Plyasheshnikov, G. Puhlhofer, G. Rauterberg, A. Rohring, W. Rhode, G. Rowell, V. Sahakian, M. Samorski, M. Schilling, F. Schroder, M. Siems, W. Stamm, M. Tluczykont, H. J. Volk, C. A. Wiedner, W. Wittek
Publikováno v:
The Astrophysical Journal. 559:187-195
In this paper we present the results of simultaneous observations of the TeV blazar Markarian 421 (Mrk 421) at X-ray and TeV Gamma-ray energies with the Rossi X-Ray Timing Explorer (RXTE) and the stereoscopic Cherenkov Telescope system of the HEGRA (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5350dcd260a8c95d88a701e2937d6af7
https://doi.org/10.1086/322364
https://doi.org/10.1086/322364