TY  - JOUR
A1  - Weber, Michael H.
A1  - Abu-Ayyash, Khalil
A1  - Abueladas, Abdel-Rahman
A1  - Agnon, Amotz
A1  - Alasonati-Tašárová, Zuzana
A1  - Al-Zubi, Hashim
A1  - Babeyko, Andrey
A1  - Bartov, Yuval
A1  - Bauer, Klaus
A1  - Becken, Michael
A1  - Bedrosian, Paul A.
A1  - Ben-Avraham, Zvi
A1  - Bock, Günter
A1  - Bohnhoff, Marco
A1  - Bribach, Jens
A1  - Dulski, Peter
A1  - Ebbing, Joerg
A1  - El-Kelani, Radwan J.
A1  - Foerster, Andrea
A1  - Förster, Hans-Jürgen
A1  - Frieslander, Uri
A1  - Garfunkel, Zvi
A1  - Götze, Hans-Jürgen
A1  - Haak, Volker
A1  - Haberland, Christian
A1  - Hassouneh, Mohammed
A1  - Helwig, Stefan L.
A1  - Hofstetter, Alfons
A1  - Hoffmann-Rothe, Arne
A1  - Jaeckel, Karl-Heinz
A1  - Janssen, Christoph
A1  - Jaser, Darweesh
A1  - Kesten, Dagmar
A1  - Khatib, Mohammed Ghiath
A1  - Kind, Rainer
A1  - Koch, Olaf
A1  - Koulakov, Ivan
A1  - Laske, Maria Gabi
A1  - Maercklin, Nils
T1  - Anatomy of the Dead Sea transform from lithospheric to microscopic scale
N2  - Fault zones are the locations where motion of tectonic plates, often associated with earthquakes, is accommodated. Despite a rapid increase in the understanding of faults in the last decades, our knowledge of their geometry, petrophysical properties, and controlling processes remains incomplete. The central questions addressed here in our study of the Dead Sea Transform (DST) in the Middle East are as follows: (1) What are the structure and kinematics of a large fault zone? (2) What controls its structure and kinematics? (3) How does the DST compare to other plate boundary fault zones? The DST has accommodated a total of 105 km of left-lateral transform motion between the African and Arabian plates since early Miocene (similar to 20 Ma). The DST segment between the Dead Sea and the Red Sea, called the Arava/Araba Fault (AF), is studied here using a multidisciplinary and multiscale approach from the mu m to the plate tectonic scale. We observe that under the DST a narrow, subvertical zone cuts through crust and lithosphere. First, from west to east the crustal thickness increases smoothly from 26 to 39 km, and a subhorizontal lower crustal reflector is detected east of the AF. Second, several faults exist in the upper crust in a 40 km wide zone centered on the AF, but none have kilometer-size zones of decreased seismic velocities or zones of high electrical conductivities in the upper crust expected for large damage zones. Third, the AF is the main branch of the DST system, even though it has accommodated only a part (up to 60 km) of the overall 105 km of sinistral plate motion. Fourth, the AF acts as a barrier to fluids to a depth of 4 km, and the lithology changes abruptly across it. Fifth, in the top few hundred meters of the AF a locally transpressional regime is observed in a 100-300 m wide zone of deformed and displaced material, bordered by subparallel faults forming a positive flower structure. Other segments of the AF have a transtensional character with small pull-aparts along them. The damage zones of the individual faults are only 5-20 m wide at this depth range. Sixth, two areas on the AF show mesoscale to microscale faulting and veining in limestone sequences with faulting depths between 2 and 5 km. Seventh, fluids in the AF are carried downward into the fault zone. Only a minor fraction of fluids is derived from ascending hydrothermal fluids. However, we found that on the kilometer scale the AF does not act as an important fluid conduit. Most of these findings are corroborated using thermomechanical modeling where shear deformation in the upper crust is localized in one or two major faults; at larger depth, shear deformation occurs in a 20-40 km wide zone with a mechanically weak decoupling zone extending subvertically through the entire lithosphere.
Y1  - 2009
UR  - http://www.agu.org/journals/rg/
U6  - https://doi.org/10.1029/2008rg000264
SN  - 8755-1209
ER  - 
TY  - JOUR
A1  - Abdo, A. A.
A1  - Ackermann, Margit
A1  - Ajello, M.
A1  - Allafort, A. J.
A1  - Baldini, L.
A1  - Ballet, J.
A1  - Barbiellini, G.
A1  - Baring, M. G.
A1  - Bastieri, D.
A1  - Bechtol, K. C.
A1  - Bellazzini, R.
A1  - Berenji, B.
A1  - Blandford, R. D.
A1  - Bloom, E. D.
A1  - Bonamente, E.
A1  - Borgland, A. W.
A1  - Bouvier, A.
A1  - Brandt, T. J.
A1  - Bregeon, Johan
A1  - Brez, A.
A1  - Brigida, M.
A1  - Bruel, P.
A1  - Buehler, R.
A1  - Buson, S.
A1  - Caliandro, G. A.
A1  - Cameron, R. A.
A1  - Cannon, A.
A1  - Caraveo, P. A.
A1  - Carrigan, Svenja
A1  - Casandjian, J. M.
A1  - Cavazzuti, E.
A1  - Cecchi, C.
A1  - Celik, O.
A1  - Charles, E.
A1  - Chekhtman, A.
A1  - Cheung, C. C.
A1  - Chiang, J.
A1  - Ciprini, S.
A1  - Claus, R.
A1  - Cohen-Tanugi, J.
A1  - Conrad, Jan
A1  - Cutini, S.
A1  - Dermer, C. D.
A1  - de Palma, F.
A1  - do Couto e Silva, E.
A1  - Drell, P. S.
A1  - Dubois, R.
A1  - Dumora, D.
A1  - Favuzzi, C.
A1  - Fegan, S. J.
A1  - Ferrara, E. C.
A1  - Focke, W. B.
A1  - Fortin, P.
A1  - Frailis, M.
A1  - Fuhrmann, L.
A1  - Fukazawa, Y.
A1  - Funk, S.
A1  - Fusco, P.
A1  - Gargano, F.
A1  - Gasparrini, D.
A1  - Gehrels, N.
A1  - Germani, S.
A1  - Giglietto, N.
A1  - Giordano, F.
A1  - Giroletti, M.
A1  - Glanzman, T.
A1  - Godfrey, G.
A1  - Grenier, I. A.
A1  - Guillemot, L.
A1  - Guiriec, S.
A1  - Hayashida, M.
A1  - Hays, E.
A1  - Horan, D.
A1  - Hughes, R. E.
A1  - Johannesson, G.
A1  - Johnson, A. S.
A1  - Johnson, W. N.
A1  - Kadler, M.
A1  - Kamae, T.
A1  - Katagiri, H.
A1  - Kataoka, J.
A1  - Knoedlseder, J.
A1  - Kuss, M.
A1  - Lande, J.
A1  - Latronico, L.
A1  - Lee, S. -H.
A1  - Lemoine-Goumard, M.
A1  - Longo, F.
A1  - Loparco, F.
A1  - Lott, B.
A1  - Lovellette, M. N.
A1  - Lubrano, P.
A1  - Madejski, G. M.
A1  - Makeev, A.
A1  - Max-Moerbeck, W.
A1  - Mazziotta, Mario Nicola
A1  - McEnery, J. E.
A1  - Mehault, J.
A1  - Michelson, P. F.
A1  - Mitthumsiri, W.
A1  - Mizuno, T.
A1  - Moiseev, A. A.
A1  - Monte, C.
A1  - Monzani, M. E.
A1  - Morselli, A.
A1  - Moskalenko, I. V.
A1  - Murgia, S.
A1  - Naumann-Godo, M.
A1  - Nishino, S.
A1  - Nolan, P. L.
A1  - Norris, J. P.
A1  - Nuss, E.
A1  - Ohsugi, T.
A1  - Okumura, A.
A1  - Omodei, N.
A1  - Orlando, E.
A1  - Ormes, J. F.
A1  - Paneque, D.
A1  - Panetta, J. H.
A1  - Parent, D.
A1  - Pavlidou, V.
A1  - Pearson, T. J.
A1  - Pelassa, V.
A1  - Pepe, M.
A1  - Pesce-Rollins, M.
A1  - Piron, F.
A1  - Porter, T. A.
A1  - Raino, S.
A1  - Rando, R.
A1  - Razzano, M.
A1  - Readhead, A.
A1  - Reimer, A.
A1  - Reimer, O.
A1  - Richards, J. L.
A1  - Ripken, J.
A1  - Ritz, S.
A1  - Roth, M.
A1  - Sadrozinski, H. F. -W.
A1  - Sanchez, D.
A1  - Sander, A.
A1  - Scargle, J. D.
A1  - Sgro, C.
A1  - Siskind, E. J.
A1  - Smith, P. D.
A1  - Spandre, G.
A1  - Spinelli, P.
A1  - Stawarz, L.
A1  - Stevenson, M.
A1  - Strickman, M. S.
A1  - Sokolovsky, K. V.
A1  - Suson, D. J.
A1  - Takahashi, H.
A1  - Takahashi, T.
A1  - Tanaka, T.
A1  - Thayer, J. B.
A1  - Thayer, J. G.
A1  - Thompson, D. J.
A1  - Tibaldo, L.
A1  - Torres, F.
A1  - Tosti, G.
A1  - Tramacere, A.
A1  - Uchiyama, Y.
A1  - Usher, T. L.
A1  - Vandenbroucke, J.
A1  - Vasileiou, V.
A1  - Vilchez, N.
A1  - Vitale, V.
A1  - Waite, A. P.
A1  - Wang, P.
A1  - Wehrle, A. E.
A1  - Winer, B. L.
A1  - Wood, K. S.
A1  - Yang, Z.
A1  - Ylinen, T.
A1  - Zensus, J. A.
A1  - Ziegler, M.
A1  - Aleksic, J.
A1  - Antonelli, L. A.
A1  - Antoranz, P.
A1  - Backes, Michael
A1  - Barrio, J. A.
A1  - Gonzalez, J. Becerra
A1  - Bednarek, W.
A1  - Berdyugin, A.
A1  - Berger, K.
A1  - Bernardini, E.
A1  - Biland, A.
A1  - Blanch Bigas, O.
A1  - Bock, R. K.
A1  - Boller, A.
A1  - Bonnoli, G.
A1  - Bordas, Pol
A1  - Tridon, D. Borla
A1  - Bosch-Ramon, Valentin
A1  - Bose, D.
A1  - Braun, I.
A1  - Bretz, T.
A1  - Camara, M.
A1  - Carmona, E.
A1  - Carosi, A.
A1  - Colin, P.
A1  - Colombo, E.
A1  - Contreras, J. L.
A1  - Cortina, J.
A1  - Covino, S.
A1  - Dazzi, F.
A1  - de Angelis, A.
A1  - del Pozo, E. De Cea
A1  - De Lotto, B.
A1  - De Maria, M.
A1  - De Sabata, F.
A1  - Mendez, C. Delgado
A1  - Ortega, A. Diago
A1  - Doert, M.
A1  - Dominguez, A.
A1  - Prester, Dijana Dominis
A1  - Dorner, D.
A1  - Doro, M.
A1  - Elsaesser, D.
A1  - Ferenc, D.
A1  - Fonseca, M. V.
A1  - Font, L.
A1  - Lopen, R. J. Garcia
A1  - Garczarczyk, M.
A1  - Gaug, M.
A1  - Giavitto, G.
A1  - Godinovi, N.
A1  - Hadasch, D.
A1  - Herrero, A.
A1  - Hildebrand, D.
A1  - Hoehne-Moench, D.
A1  - Hose, J.
A1  - Hrupec, D.
A1  - Jogler, T.
A1  - Klepser, S.
A1  - Kraehenbuehl, T.
A1  - Kranich, D.
A1  - Krause, J.
A1  - La Barbera, A.
A1  - Leonardo, E.
A1  - Lindfors, E.
A1  - Lombardi, S.
A1  - Lopez, M.
A1  - Lorenz, E.
A1  - Majumdar, P.
A1  - Makariev, E.
A1  - Maneva, G.
A1  - Mankuzhiyil, N.
A1  - Mannheim, K.
A1  - Maraschi, L.
A1  - Mariotti, M.
A1  - Martinez, M.
A1  - Mazin, D.
A1  - Meucci, M.
A1  - Miranda, J. M.
A1  - Mirzoyan, R.
A1  - Miyamoto, H.
A1  - Moldon, J.
A1  - Moralejo, A.
A1  - Nieto, D.
A1  - Nilsson, K.
A1  - Orito, R.
A1  - Oya, I.
A1  - Paoletti, R.
A1  - Paredes, J. M.
A1  - Partini, S.
A1  - Pasanen, M.
A1  - Pauss, F.
A1  - Pegna, R. G.
A1  - Perez-Torres, M. A.
A1  - Persic, M.
A1  - Peruzzo, J.
A1  - Pochon, J.
A1  - Moroni, P. G. Prada
A1  - Prada, F.
A1  - Prandini, E.
A1  - Puchades, N.
A1  - Puljak, I.
A1  - Reichardt, T.
A1  - Reinthal, R.
A1  - Rhode, W.
A1  - Ribo, M.
A1  - Rico, J.
A1  - Rissi, M.
A1  - Ruegamer, S.
A1  - Saggion, A.
A1  - Saito, K.
A1  - Saito, T. Y.
A1  - Salvati, M.
A1  - Sanchez-Conde, M.
A1  - Satalecka, K.
A1  - Scalzotto, V.
A1  - Scapin, V.
A1  - Schultz, C.
A1  - Schweizer, T.
A1  - Shayduk, M.
A1  - Shore, S. N.
A1  - Sierpowska-Bartosik, A.
A1  - Sillanpaa, A.
A1  - Sitarek, J.
A1  - Sobczynska, D.
A1  - Spanier, F.
A1  - Spiro, S.
A1  - Stamerra, A.
A1  - Steinke, B.
A1  - Storz, J.
A1  - Strah, N.
A1  - Struebig, J. C.
A1  - Suric, T.
A1  - Takalo, L. O.
A1  - Tavecchio, F.
A1  - Temnikov, P.
A1  - Terzic, T.
A1  - Tescaro, D.
A1  - Teshima, M.
A1  - Vankov, H.
A1  - Wagner, R. M.
A1  - Weitzel, Q.
A1  - Zabalza, V.
A1  - Zandanel, F.
A1  - Zanin, R.
A1  - Acciari, V. A.
A1  - Arlen, T.
A1  - Aune, T.
A1  - Benbow, W.
A1  - Boltuch, D.
A1  - Bradbury, S. M.
A1  - Buckley, J. H.
A1  - Bugaev, V.
A1  - Cannon, A.
A1  - Cesarini, A.
A1  - Ciupik, L.
A1  - Cui, W.
A1  - Dickherber, R.
A1  - Errando, M.
A1  - Falcone, A.
A1  - Finley, J. P.
A1  - Finnegan, G.
A1  - Fortson, L.
A1  - Furniss, A.
A1  - Galante, N.
A1  - Gall, D.
A1  - Gillanders, G. H.
A1  - Godambe, S.
A1  - Grube, J.
A1  - Guenette, R.
A1  - Gyuk, G.
A1  - Hanna, D.
A1  - Holder, J.
A1  - Huang, D.
A1  - Hui, C. M.
A1  - Humensky, T. B.
A1  - Kaaret, P.
A1  - Karlsson, N.
A1  - Kertzman, M.
A1  - Kieda, D.
A1  - Konopelko, A.
A1  - Krawczynski, H.
A1  - Krennrich, F.
A1  - Lang, M. J.
A1  - Maier, G.
A1  - McArthur, S.
A1  - McCann, A.
A1  - McCutcheon, M.
A1  - Moriarty, P.
A1  - Mukherjee, R.
A1  - Ong, R.
A1  - Otte, N.
A1  - Pandel, D.
A1  - Perkins, J. S.
A1  - Pichel, A.
A1  - Pohl, M.
A1  - Quinn, J.
A1  - Ragan, K.
A1  - Reyes, L. C.
A1  - Reynolds, P. T.
A1  - Roache, E.
A1  - Rose, H. J.
A1  - Rovero, A. C.
A1  - Schroedter, M.
A1  - Sembroski, G. H.
A1  - Senturk, G. D.
A1  - Steele, D.
A1  - Swordy, S. P.
A1  - Tesic, G.
A1  - Theiling, M.
A1  - Thibadeau, S.
A1  - Varlotta, A.
A1  - Vincent, S.
A1  - Wakely, S. P.
A1  - Ward, J. E.
A1  - Weekes, T. C.
A1  - Weinstein, A.
A1  - Weisgarber, T.
A1  - Williams, D. A.
A1  - Wood, M.
A1  - Zitzer, B.
A1  - Villata, M.
A1  - Raiteri, C. M.
A1  - Aller, H. D.
A1  - Aller, M. F.
A1  - Arkharov, A. A.
A1  - Blinov, D. A.
A1  - Calcidese, P.
A1  - Chen, W. P.
A1  - Efimova, N. V.
A1  - Kimeridze, G.
A1  - Konstantinova, T. S.
A1  - Kopatskaya, E. N.
A1  - Koptelova, E.
A1  - Kurtanidze, O. M.
A1  - Kurtanidze, S. O.
A1  - Lahteenmaki, A.
A1  - Larionov, V. M.
A1  - Larionova, E. G.
A1  - Larionova, L. V.
A1  - Ligustri, R.
A1  - Morozova, D. A.
A1  - Nikolashvili, M. G.
A1  - Sigua, L. A.
A1  - Troitsky, I. S.
A1  - Angelakis, E.
A1  - Capalbi, M.
A1  - Carraminana, A.
A1  - Carrasco, L.
A1  - Cassaro, P.
A1  - de la Fuente, E.
A1  - Gurwell, M. A.
A1  - Kovalev, Y. Y.
A1  - Kovalev, Yu. A.
A1  - Krichbaum, T. P.
A1  - Krimm, H. A.
A1  - Leto, Paolo
A1  - Lister, M. L.
A1  - Maccaferri, G.
A1  - Moody, J. W.
A1  - Mori, Y.
A1  - Nestoras, I.
A1  - Orlati, A.
A1  - Pagani, C.
A1  - Pace, C.
A1  - Pearson, R.
A1  - Perri, M.
A1  - Piner, B. G.
A1  - Pushkarev, A. B.
A1  - Ros, E.
A1  - Sadun, A. C.
A1  - Sakamoto, T.
A1  - Tornikoski, M.
A1  - Yatsu, Y.
A1  - Zook, A.
T1  - Insights into the high-energy gamma-Ray emission of markarian 501 fromextensive multifrequency observations in the fermi era
JF  - The astrophysical journal : an international review of spectroscopy and astronomical physics
N2  - We report on the gamma-ray activity of the blazar Mrk 501 during the first 480 days of Fermi operation. We find that the average Large Area Telescope (LAT) gamma-ray spectrum of Mrk 501 can be well described by a single power-law function with a photon index of 1.78 +/- 0.03. While we observe relatively mild flux variations with the Fermi-LAT (within less than a factor of two), we detect remarkable spectral variability where the hardest observed spectral index within the LAT energy range is 1.52 +/- 0.14, and the softest one is 2.51 +/- 0.20. These unexpected spectral changes do not correlate with the measured flux variations above 0.3 GeV. In this paper, we also present the first results from the 4.5 month long multifrequency campaign (2009 March 15-August 1) on Mrk 501, which included the Very Long Baseline Array (VLBA), Swift, RXTE, MAGIC, and VERITAS, the F-GAMMA, GASP-WEBT, and other collaborations and instruments which provided excellent temporal and energy coverage of the source throughout the entire campaign. The extensive radio to TeV data set from this campaign provides us with the most detailed spectral energy distribution yet collected for this source during its relatively low activity. The average spectral energy distribution of Mrk 501 is well described by the standard one-zone synchrotron self-Compton (SSC) model. In the framework of this model, we find that the dominant emission region is characterized by a size less than or similar to 0.1 pc (comparable within a factor of few to the size of the partially resolved VLBA core at 15-43 GHz), and that the total jet power (similar or equal to 10(44) erg s(-1)) constitutes only a small fraction (similar to 10(-3)) of the Eddington luminosity. The energy distribution of the freshly accelerated radiating electrons required to fit the time-averaged data has a broken power-law form in the energy range 0.3 GeV-10 TeV, with spectral indices 2.2 and 2.7 below and above the break energy of 20 GeV. We argue that such a form is consistent with a scenario in which the bulk of the energy dissipation within the dominant emission zone of Mrk 501 is due to relativistic, proton-mediated shocks. We find that the ultrarelativistic electrons and mildly relativistic protons within the blazar zone, if comparable in number, are in approximate energy equipartition, with their energy dominating the jet magnetic field energy by about two orders of magnitude.
KW  - acceleration of particles
KW  - BL Lacertae objects: general
KW  - BL Lacertae objects: individual (Mrk 501)
KW  - galaxies: active
KW  - gamma rays: general
KW  - radiation mechanisms: non-thermal
Y1  - 2011
U6  - https://doi.org/10.1088/0004-637X/727/2/129
SN  - 0004-637X
VL  - 727
IS  - 2
PB  - IOP Publ. Ltd.
CY  - Bristol
ER  - 
TY  - JOUR
A1  - Budweg, Martin
A1  - Bock, Günter
A1  - Weber, Michael H.
T1  - The Eifel Plume : imaged with converted seismic waves
N2  - Receiver functions (RF) are used to investigate the upper mantle structure beneath the Eifel, the youngest volcanic area of Central Europe. Data from 96 teleseismic events recorded by 242 seismological stations from permanent and a temporary network has been analysed. The temporary network operated from 1997 November to 1998 June and covered an area of approximately 400 x 250 km(2) centred on the Eifel volcanic fields. The average Moho depth in the Eifel is approximately 30 km, thinning to ca. 28 km under the Eifel volcanic fields. RF images suggest the existence of a low velocity zone at about 60-90 km depth under the West Eifel. This observation is supported by P- and S-wave tomographic results and absorption (but the array aperture limits the resolution of the tomographic methods to the upper 400 km). There are also indications for a zone of elevated velocities at around 200 km depth, again in agreement with S-wave and absorption tomographic results. This anomaly is not visible in P-wave tomography and could be due to S-wave anisotropy. The RF anomalies at the Moho, at 60-90 km, and near 200 km depth have a lateral extent of about 100 km. The 410 km discontinuity under the Eifel is depressed by 15-25 km, which could be explained by a maximum temperature increase of +200 degrees C to +300 degrees C. In the 3-D RF image of the Eifel Plume we also notice two additional currently unexplained conversions between 410 and 550 km depth. They could represent remnants of previous subduction or anomalies due to delayed phase changes. The lateral extent of these conversions and the depression of the 410 km discontinuity is about 200 km. The 660 km discontinuity does not show any depth deviation from its expected value. Our observations are consistent with interpretation in terms of an upper mantle plume but they do not rule out connections to processes at larger depth
Y1  - 2006
UR  - http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1365-246X
U6  - https://doi.org/10.1111/j.1365-246X.2005.02778.x
SN  - 0956-540X
ER  - 
TY  - JOUR
A1  - Mohsen, Amjad
A1  - Hofstetter, Rami
A1  - Bock, Günter
A1  - Kind, Rainer
A1  - Weber, Michael H.
A1  - Wylegalla, Kurt
A1  - Rumpker, Georg
T1  - A receiver function study across the Dead Sea Transform
N2  - We report on a receiver function study of the crust and upper mantle within DESERT, a multidisciplinary geophysical project to study the lithosphere across the Dead Sea Transform (DST). A temporary seismic network was operated on both sides of the DST between 2000 April and 2001 June. The depth of the Moho increases smoothly from about 30 to 34-38 km towards the east across the DST, with significant north-south variations east of the DST. These Moho depth estimates from receiver functions are consistent with results from steep-and wide-angle controlled-source techniques. Steep-angle reflections and receiver functions reveal an additional discontinuity in the lower crust, but only east of the DST. This leads to the conclusion that the internal crustal structure east and west of the DST is different. The P to S converted phases from both discontinuities at 410 and 660 km are delayed by 2 s with respect to the IASP91 global reference model. This would indicate that the transition zone is consistent with the global average, but the upper mantle above 410 km is 3-4 per cent slower than the standard earth model
Y1  - 2005
SN  - 0956-540X
ER  - 
TY  - JOUR
A1  - Albrecht, Clemens
A1  - Bock, Michael
T1  - One Culture - Many Cultures - Culture Clash
Y1  - 1999
ER  - 
TY  - THES
A1  - Albrecht, Clemens
A1  - Behrmann, Günter C.
A1  - Bock, Michael
A1  - Tenbruck, Friedrich H.
A1  - Homann, Harald
T1  - Die intellektuelle Gründung der Bundesrepublik : eine Wirkungsgeschichte der Frankfurter Schule
Y1  - 1999
SN  - 3-593-36214-7
PB  - Campus Verl.
CY  - Frankfurt
ER  - 
TY  - JOUR
A1  - Weber, Michael H.
A1  - Abu-Ayyash, Khalil
A1  - Abueladas, Abdel-Rahman
A1  - Agnon, Amotz
A1  - Al-Amoush, H.
A1  - Babeyko, Andrey
A1  - Bartov, Yosef
A1  - Baumann, M.
A1  - Ben-Avraham, Zvi
A1  - Bock, Günter
A1  - Bribach, Jens
A1  - El-Kelani, R.
A1  - Forster, A.
A1  - Förster, Hans-Jürgen
A1  - Frieslander, U.
A1  - Garfunkel, Zvi
A1  - Grunewald, Steffen
A1  - Gotze, Hans-Jürgen
A1  - Haak, Volker
A1  - Haberland, Christian
A1  - Hassouneh, Mohammed
A1  - Helwig, S.
A1  - Hofstetter, Alfons
A1  - Jackel, K. H.
A1  - Kesten, Dagmar
A1  - Kind, Rainer
A1  - Maercklin, Nils
A1  - Mechie, James
A1  - Mohsen, Amjad
A1  - Neubauer, F. M.
A1  - Oberhänsli, Roland
A1  - Qabbani, I.
A1  - Ritter, O.
A1  - Rumpker, G.
A1  - Rybakov, M.
A1  - Ryberg, Trond
A1  - Scherbaum, Frank
A1  - Schmidt, J.
A1  - Schulze, A.
A1  - Sobolev, Stephan Vladimir
A1  - Stiller, M.
A1  - Th, 
T1  - The crustal structure of the Dead Sea Transform
N2  - To address one of the central questions of plate tectonics-How do large transform systems work and what are their typical features?-seismic investigations across the Dead Sea Transform (DST), the boundary between the African and Arabian plates in the Middle East, were conducted for the first time. A major component of these investigations was a combined reflection/ refraction survey across the territories of Palestine, Israel and Jordan. The main results of this study are: (1) The seismic basement is offset by 3-5 km under the DST, (2) The DST cuts through the entire crust, broadening in the lower crust, (3) Strong lower crustal reflectors are imaged only on one side of the DST, (4) The seismic velocity sections show a steady increase in the depth of the crust-mantle transition (Moho) from 26 km at the Mediterranean to 39 km under the Jordan highlands, with only a small but visible, asymmetric topography of the Moho under the DST. These observations can be linked to the left-lateral movement of 105 km of the two plates in the last 17 Myr, accompanied by strong deformation within a narrow zone cutting through the entire crust. Comparing the DST and the San Andreas Fault (SAF) system, a strong asymmetry in subhorizontal lower crustal reflectors and a deep reaching deformation zone both occur around the DST and the SAF. The fact that such lower crustal reflectors and deep deformation zones are observed in such different transform systems suggests that these structures are possibly fundamental features of large transform plate boundaries
Y1  - 2004
ER  - 
TY  - CHAP
A1  - Kurbel, Karl
A1  - Nowak, Dawid
A1  - Azodi, Amir
A1  - Jaeger, David
A1  - Meinel, Christoph
A1  - Cheng, Feng
A1  - Sapegin, Andrey
A1  - Gawron, Marian
A1  - Morelli, Frank
A1  - Stahl, Lukas
A1  - Kerl, Stefan
A1  - Janz, Mariska
A1  - Hadaya, Abdulmasih
A1  - Ivanov, Ivaylo
A1  - Wiese, Lena
A1  - Neves, Mariana
A1  - Schapranow, Matthieu-Patrick
A1  - Fähnrich, Cindy
A1  - Feinbube, Frank
A1  - Eberhardt, Felix
A1  - Hagen, Wieland
A1  - Plauth, Max
A1  - Herscheid, Lena
A1  - Polze, Andreas
A1  - Barkowsky, Matthias
A1  - Dinger, Henriette
A1  - Faber, Lukas
A1  - Montenegro, Felix
A1  - Czachórski, Tadeusz
A1  - Nycz, Monika
A1  - Nycz, Tomasz
A1  - Baader, Galina
A1  - Besner, Veronika
A1  - Hecht, Sonja
A1  - Schermann, Michael
A1  - Krcmar, Helmut
A1  - Wiradarma, Timur Pratama
A1  - Hentschel, Christian
A1  - Sack, Harald
A1  - Abramowicz, Witold
A1  - Sokolowska, Wioletta
A1  - Hossa, Tymoteusz
A1  - Opalka, Jakub
A1  - Fabisz, Karol
A1  - Kubaczyk, Mateusz
A1  - Cmil, Milena
A1  - Meng, Tianhui
A1  - Dadashnia, Sharam
A1  - Niesen, Tim
A1  - Fettke, Peter
A1  - Loos, Peter
A1  - Perscheid, Cindy
A1  - Schwarz, Christian
A1  - Schmidt, Christopher
A1  - Scholz, Matthias
A1  - Bock, Nikolai
A1  - Piller, Gunther
A1  - Böhm, Klaus
A1  - Norkus, Oliver
A1  - Clark, Brian
A1  - Friedrich, Björn
A1  - Izadpanah, Babak
A1  - Merkel, Florian
A1  - Schweer, Ilias
A1  - Zimak, Alexander
A1  - Sauer, Jürgen
A1  - Fabian, Benjamin
A1  - Tilch, Georg
A1  - Müller, David
A1  - Plöger, Sabrina
A1  - Friedrich, Christoph M.
A1  - Engels, Christoph
A1  - Amirkhanyan, Aragats
A1  - van der Walt, Estée
A1  - Eloff, J. H. P.
A1  - Scheuermann, Bernd
A1  - Weinknecht, Elisa
ED  - Meinel, Christoph
ED  - Polze, Andreas
ED  - Oswald, Gerhard
ED  - Strotmann, Rolf
ED  - Seibold, Ulrich
ED  - Schulzki, Bernhard
T1  - HPI Future SOC Lab
BT  - Proceedings 2015
N2  - Das Future SOC Lab am HPI ist eine Kooperation des Hasso-Plattner-Instituts mit verschiedenen Industriepartnern. Seine Aufgabe ist die Ermöglichung und Förderung des Austausches zwischen Forschungsgemeinschaft und Industrie.
Am Lab wird interessierten Wissenschaftlern eine Infrastruktur von neuester Hard- und Software kostenfrei für Forschungszwecke zur Verfügung gestellt. Dazu zählen teilweise noch nicht am Markt verfügbare Technologien, die im normalen Hochschulbereich in der Regel nicht zu finanzieren wären, bspw. Server mit bis zu 64 Cores und 2 TB Hauptspeicher. Diese Angebote richten sich insbesondere an Wissenschaftler in den Gebieten Informatik und Wirtschaftsinformatik. Einige der Schwerpunkte sind Cloud Computing, Parallelisierung und In-Memory Technologien. 
In diesem Technischen Bericht werden die Ergebnisse der Forschungsprojekte des Jahres 2015 vorgestellt.  Ausgewählte Projekte stellten ihre Ergebnisse am 15. April 2015 und 4. November 2015 im Rahmen der Future SOC Lab Tag Veranstaltungen vor.
KW  - Future SOC Lab
KW  - Forschungsprojekte
KW  - Multicore Architekturen
KW  - In-Memory Technologie
KW  - Cloud Computing
KW  - maschinelles Lernen
KW  - künstliche Intelligenz
Y1  - 2017
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-102516
ER  - 
TY  - JOUR
A1  - Thulin, Mirjam
A1  - Krah, Markus
A1  - Meyer, Michael A.
A1  - Schorsch, Ismar
A1  - Brodt, Eliezer
A1  - Sariel, Eliezer
A1  - Yedidya, Asaf
A1  - Esther, Solomon
A1  - Kessler, Samuel J.
A1  - Bratkin, Dimitri
A1  - Sax, Benjamin E.
A1  - Stair, Rose
A1  - Ariel, Yaakov S.
A1  - Weidner, Daniel
A1  - Ebert, Sophia
A1  - Martini, Annett
A1  - Fischer, Bernd
A1  - Thüne, Eva-Maria
A1  - Bock, Dennis
A1  - Engelmann, Jonas
A1  - Aust, Cornelia
A1  - Walter, Nancy
ED  - Krah, Markus
ED  - Thulin, Mirjam
ED  - Pick, Bianca
T1  - PaRDeS : Zeitschrift der Vereinigung für Jüdische Studien = Cultures of Wissenschaft des Judentums at 200
T2  - PaRDeS : Zeitschrift der Vereinigung für Jüdische Studien e. V.
N2  - PaRDeS, the journal of the German Association for Jewish Studies, aims at exploring the fruitful and multifarious cultures of Judaism as well as their relations to their environment within diverse areas of research. In addition, the journal promotes Jewish Studies within academic discourse and reflects on its historic and social responsibilities.
N2  - PaRDeS, die Zeitschrift der Vereinigung für Jüdische Studien e. V., erforscht die fruchtbare kulturelle Vielfalt des Judentums sowie ihre Berührungspunkte zur nichtjüdischen Umwelt in unterschiedlichen Bereichen. Daneben dient die Zeitschrift als Forum zur Positionierung der Fächer Jüdische Studien und Judaistik innerhalb des wissenschaftlichen Diskurses sowie zur Diskussion ihrer historischen und gesellschaftlichen Verantwortung.
T3  - PaRDeS : Zeitschrift der Vereinigung für Jüdische Studien e.V. - 24 
Y1  - 2018
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-414943
SN  - 978-3-86956-440-1
SN  - 1614-6492
SN  - 1862-7684
IS  - 24
PB  - Universitätsverlag Potsdam
CY  - Potsdam
ER  - 
TY  - CHAP
A1  - Esveld, Selma van
A1  - Vries, Nardo de
A1  - Becchetti, Sibilla
A1  - Dopper, Sofia
A1  - Valkenburg, Willem van
A1  - Carlon, May Kristine Jonson
A1  - Yokoi, Kensuke
A1  - Gayed, John Maurice
A1  - Suyama, Hiroshi
A1  - Cross, Jeffrey Scott
A1  - Jin, Tonje
A1  - Xue, Wei
A1  - Bruillard, Éric
A1  - Steinbeck, Hendrik
A1  - Meinel, Christoph
A1  - Özdemir, Paker Doğu
A1  - Can Bayer, Burak
A1  - Mercan, Duygu
A1  - Buyurucu, Gamze
A1  - Haugsbakken, Halvdan
A1  - Hagelia, Marianne
A1  - Ebner, Martin
A1  - Edelsbrunner, Sarah
A1  - Hohla-Sejkora, Katharina
A1  - Lipp, Silvia
A1  - Schön, Sandra
A1  - Xiaoxiao, Wang
A1  - Shuangshuang, Guo
A1  - Morales-Chan, Miguel
A1  - Amado-Salvatierra, Héctor R.
A1  - Hernández-Rizzardini, Rocael
A1  - Egloffstein, Marc
A1  - Hünemohr, Holger
A1  - Ifenthaler, Dirk
A1  - Dixon, Fred
A1  - Trabucchi, Stefania
A1  - Khaneboubi, Mehdi
A1  - Giannatelli, Ada
A1  - Tomasini, Alessandra
A1  - Staubitz, Thomas
A1  - Serth, Sebastian
A1  - Thomas, Max
A1  - Koschutnig-Ebner, Markus
A1  - Rampelt, Florian
A1  - Stetten, Alexander von
A1  - Wittke, Andreas
A1  - Theeraroungchaisri, Anuchai
A1  - Thammetar, Thapanee
A1  - Duangchinda, Vorasuang
A1  - Khlaisang, Jintavee
A1  - Mair, Bettina
A1  - Steinkellner, Iris
A1  - Stojcevic, Ivana
A1  - Zwiauer, Charlotte
A1  - Thirouard, Maria
A1  - Villèsbrunne, Marie de la
A1  - Bernaert, Oliver
A1  - Nohr, Magnus
A1  - Alario Hoyos, Carlos
A1  - Delgado Kloos, Carlos
A1  - Kiendl, Doris
A1  - Terzieva, Liliya
A1  - Concia, Francesca
A1  - Distler, Petr
A1  - Law, Gareth
A1  - Macerata, Elena
A1  - Mariani, Mario
A1  - Mossini, Eros
A1  - Negrin, Maddalena
A1  - Štrok, Marko
A1  - Neuböck, Kristina
A1  - Linschinger, Nadine
A1  - Lorenz, Anja
A1  - Bock, Stefanie
A1  - Schulte-Ostermann, Juleka
A1  - Moura Santos, Ana
A1  - Corti, Paola
A1  - Costa, Luis Felipe Coimbra
A1  - Utunen, Heini
A1  - Attias, Melissa
A1  - Tokar, Anna
A1  - Kennedy, Eileen
A1  - Laurillard, Diana
A1  - Zeitoun, Samar
A1  - Wasilewski, Julie
A1  - Shlaka, Souhad
A1  - Ouahib, Sara
A1  - Berrada, Khalid
A1  - Dietz, Michael
A1  - Roth, Dennis
ED  - Meinel, Christoph
ED  - Schweiger, Stefanie
ED  - Staubitz, Thomas
ED  - Conrad, Robert
ED  - Alario Hoyos, Carlos
ED  - Ebner, Martin
ED  - Sancassani, Susanna
ED  - Żur, Agnieszka
ED  - Friedl, Christian
ED  - Halawa, Sherif
ED  - Gamage, Dilrukshi
ED  - Cross, Jeffrey
ED  - Jonson Carlon, May Kristine
ED  - Deville, Yves
ED  - Gaebel, Michael
ED  - Delgado Kloos, Carlos
ED  - von Schmieden, Karen
T1  - EMOOCs 2023
BT  - Post-Covid Prospects for Massive Open Online Courses - Boost or Backlash?
N2  - From June 14 to June 16, 2023, Hasso Plattner Institute, Potsdam, hosted the eighth European MOOC Stakeholder Summit (EMOOCs 2023).

The pandemic is fortunately over. It has once again shown how important digital education is. How well-prepared a country was could be seen in our schools, universities, and companies. In different countries, the problems manifested themselves differently. The measures and approaches to solving the problems varied accordingly. Digital education, whether micro-credentials, MOOCs, blended learning formats, or other e-learning tools, received a major boost. 

EMOOCs 2023 focusses on the effects of this emergency situation. How has it affected the development and delivery of MOOCs and other e-learning offerings all over Europe? Which projects can serve as models for successful digital learning and teaching? Which roles can MOOCs and micro-credentials bear in the current business transformation? Is there a backlash to the routine we knew from pre-Corona times? Or have many things become firmly established in the meantime, e.g. remote work, hybrid conferences, etc.? 

Furthermore, EMOOCs 2023 has a closer look at the development and formalization of digital learning. Micro-credentials are just the starting point. Further steps in this direction would be complete online study programs or full online universities.

Another main topic is the networking of learning offers and the standardization of formats and metadata. Examples of fruitful cooperations are the MOOChub, the European MOOC Consortium, and  the Common Micro-Credential Framework.

The learnings, derived from practical experience and research, are explored in EMOOCs 2023 in four tracks and additional workshops, covering various aspects of this field. In this publication, we present papers from the conference’s Research & Experience Track, the Business Track and the International Track.
N2  - Vom 14. bis 16. Juni 2023 fand am Hasso-Plattner-Institut in Potsdam der achte European MOOC Stakeholder Summit (EMOOCs 2023) statt.

Die Pandemie ist zum Glück vorbei. Sie hat einmal mehr gezeigt, wie wichtig digitale Bildung ist. Wie gut ein Land darauf vorbereitet war, zeigte sich in unseren Schulen, Universitäten und Unternehmen. In den verschiedenen Ländern haben sich die Probleme unterschiedlich manifestiert. Entsprechend unterschiedlich waren auch die Maßnahmen und Lösungsansätze. Die digitale Bildung, ob Micro-Credentials, MOOCs, Blended-Learning-Formate oder andere E-Learning-Tools, erhielt einen großen Schub.

EMOOCs 2023 befasst sich mit den Auswirkungen dieser Notsituation. Wie hat sie die Entwicklung und Bereitstellung von MOOCs und anderen E-Learning-Angeboten in ganz Europa beeinflusst? Welche Projekte können als Modelle für erfolgreiches digitales Lernen und Lehren dienen? Welche Rolle können MOOCs und Micro-Credentials bei der aktuellen Transformation der Wirtschaft spielen? Gibt es eine Rückbesinnung auf die Routine, die wir aus der Zeit vor Corona kennen? Oder haben sich viele Dinge inzwischen fest etabliert, z.B. Remote Work, hybride Konferenzen, etc.

Darüber hinaus wirft EMOOCs 2023 einen genaueren Blick auf die Entwicklung und Formalisierung des digitalen Lernens. Microcredentials sind nur der Anfang. Weitere Schritte in diese Richtung wären komplette Online-Studiengänge oder vollständige Online-Universitäten.

Ein weiteres Schwerpunktthema ist die Vernetzung von Lernangeboten und die Standardisierung von Formaten und Metadaten. Beispiele für fruchtbare Kooperationen sind der MOOChub, das European MOOC Consortium und das Common Micro-Credential Framework.

Die aus der Praxis und der Forschung gewonnenen Erkenntnisse werden auf der EMOOCs 2023 in vier Tracks und zusätzlichen Workshops zu verschiedenen Aspekten des Themas vertieft. In dieser Publikation stellen wir Beiträge aus dem Research & Experience Track,  dem Business Track und dem International Track vor.
KW  - MOOC
KW  - digital education
KW  - e-learning
KW  - online course design
KW  - online course creation
KW  - micro-credential
KW  - micro degree
KW  - online teaching
KW  - MOOC
KW  - Onlinekurs
KW  - Digitale Bildung
KW  - Online-Lehre
KW  - Kursdesign
KW  - Onlinekurs-Produktion
KW  - Micro Degree
Y1  - 2023
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-576450
ER  - 
TY  - JOUR
A1  - Mettler, Tabea
A1  - Mühlhaus, Timo
A1  - Hemme, Dorothea
A1  - Schöttler, Mark Aurel
A1  - Rupprecht, Jens
A1  - Idoine, Adam
A1  - Veyel, Daniel
A1  - Pal, Sunil Kumar
A1  - Yaneva-Roder, Liliya
A1  - Winck, Flavia Vischi
A1  - Sommer, Frederik
A1  - Vosloh, Daniel
A1  - Seiwert, Bettina
A1  - Erban, Alexander
A1  - Burgos, Asdrubal
A1  - Arvidsson, Samuel Janne
A1  - Schoenfelder, Stephanie
A1  - Arnold, Anne
A1  - Guenther, Manuela
A1  - Krause, Ursula
A1  - Lohse, Marc
A1  - Kopka, Joachim
A1  - Nikoloski, Zoran
A1  - Müller-Röber, Bernd
A1  - Willmitzer, Lothar
A1  - Bock, Ralph
A1  - Schroda, Michael
A1  - Stitt, Mark
T1  - Systems analysis of the response of photosynthesis, metabolism, and growth to an increase in irradiance in the photosynthetic model organism chlamydomonas reinhardtii
JF  - The plant cell
N2  - We investigated the systems response of metabolism and growth after an increase in irradiance in the nonsaturating range in the algal model Chlamydomonas reinhardtii. In a three-step process, photosynthesis and the levels of metabolites increased immediately, growth increased after 10 to 15 min, and transcript and protein abundance responded by 40 and 120 to 240 min, respectively. In the first phase, starch and metabolites provided a transient buffer for carbon until growth increased. This uncouples photosynthesis from growth in a fluctuating light environment. In the first and second phases, rising metabolite levels and increased polysome loading drove an increase in fluxes. Most Calvin-Benson cycle (CBC) enzymes were substrate-limited in vivo, and strikingly, many were present at higher concentrations than their substrates, explaining how rising metabolite levels stimulate CBC flux. Rubisco, fructose-1,6-biosphosphatase, and seduheptulose-1,7-bisphosphatase were close to substrate saturation in vivo, and flux was increased by posttranslational activation. In the third phase, changes in abundance of particular proteins, including increases in plastidial ATP synthase and some CBC enzymes, relieved potential bottlenecks and readjusted protein allocation between different processes. Despite reasonable overall agreement between changes in transcript and protein abundance (R-2 = 0.24), many proteins, including those in photosynthesis, changed independently of transcript abundance.
Y1  - 2014
U6  - https://doi.org/10.1105/tpc.114.124537
SN  - 1040-4651
SN  - 1532-298X
VL  - 26
IS  - 6
SP  - 2310
EP  - 2350
PB  - American Society of Plant Physiologists
CY  - Rockville
ER  - 
TY  - JOUR
A1  - Abramowski, Attila
A1  - Acero, F.
A1  - Aharonian, Felix A.
A1  - Akhperjanian, A. G.
A1  - Anton, Gisela
A1  - Balzer, Arnim
A1  - Barnacka, Anna
A1  - de Almeida, U. Barres
A1  - Becherini, Yvonne
A1  - Becker, J.
A1  - Behera, B.
A1  - Bernlöhr, K.
A1  - Birsin, E.
A1  - Biteau, Jonathan
A1  - Bochow, A.
A1  - Boisson, Catherine
A1  - Bolmont, J.
A1  - Bordas, Pol
A1  - Brucker, J.
A1  - Brun, Francois
A1  - Brun, Pierre
A1  - Bulik, Tomasz
A1  - Buesching, I.
A1  - Carrigan, Svenja
A1  - Casanova, Sabrina
A1  - Cerruti, M.
A1  - Chadwick, Paula M.
A1  - Charbonnier, A.
A1  - Chaves, Ryan C. G.
A1  - Cheesebrough, A.
A1  - Clapson, A. C.
A1  - Coignet, G.
A1  - Cologna, Gabriele
A1  - Conrad, Jan
A1  - Dalton, M.
A1  - Daniel, M. K.
A1  - Davids, I. D.
A1  - Degrange, B.
A1  - Deil, C.
A1  - Dickinson, H. J.
A1  - Djannati-Ataï, A.
A1  - Domainko, W.
A1  - Drury, L. O'C.
A1  - Dubus, G.
A1  - Dutson, K.
A1  - Dyks, J.
A1  - Dyrda, M.
A1  - Egberts, Kathrin
A1  - Eger, P.
A1  - Espigat, P.
A1  - Fallon, L.
A1  - Farnier, C.
A1  - Fegan, S.
A1  - Feinstein, F.
A1  - Fernandes, M. V.
A1  - Fiasson, A.
A1  - Fontaine, G.
A1  - Foerster, A.
A1  - Fuessling, M.
A1  - Gallant, Y. A.
A1  - Gast, H.
A1  - Gerard, L.
A1  - Gerbig, D.
A1  - Giebels, B.
A1  - Glicenstein, J. F.
A1  - Glueck, B.
A1  - Goret, P.
A1  - Goering, D.
A1  - Haeffner, S.
A1  - Hague, J. D.
A1  - Hampf, D.
A1  - Hauser, M.
A1  - Heinz, S.
A1  - Heinzelmann, G.
A1  - Henri, G.
A1  - Hermann, G.
A1  - Hinton, James Anthony
A1  - Hoffmann, A.
A1  - Hofmann, W.
A1  - Hofverberg, P.
A1  - Holler, M.
A1  - Horns, D.
A1  - Jacholkowska, A.
A1  - de Jager, O. C.
A1  - Jahn, C.
A1  - Jamrozy, M.
A1  - Jung, I.
A1  - Kastendieck, M. A.
A1  - Katarzynski, K.
A1  - Katz, U.
A1  - Kaufmann, S.
A1  - Keogh, D.
A1  - Khangulyan, D.
A1  - Khelifi, B.
A1  - Klochkov, D.
A1  - Kluzniak, W.
A1  - Kneiske, T.
A1  - Komin, Nu.
A1  - Kosack, K.
A1  - Kossakowski, R.
A1  - Laffon, H.
A1  - Lamanna, G.
A1  - Lennarz, D.
A1  - Lohse, T.
A1  - Lopatin, A.
A1  - Lu, C. -C.
A1  - Marandon, V.
A1  - Marcowith, Alexandre
A1  - Masbou, J.
A1  - Maurin, D.
A1  - Maxted, N.
A1  - Mayer, M.
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T1  - The 2010 very high energy gamma-ray flare and 10 years ofmulti-wavelength oservations of M 87
JF  - The astrophysical journal : an international review of spectroscopy and astronomical physics
N2  - The giant radio galaxy M 87 with its proximity (16 Mpc), famous jet, and very massive black hole ((3-6) x 10(9) M-circle dot) provides a unique opportunity to investigate the origin of very high energy (VHE; E > 100 GeV) gamma-ray emission generated in relativistic outflows and the surroundings of supermassive black holes. M 87 has been established as a VHE gamma-ray emitter since 2006. The VHE gamma-ray emission displays strong variability on timescales as short as a day. In this paper, results from a joint VHE monitoring campaign on M 87 by the MAGIC and VERITAS instruments in 2010 are reported. During the campaign, a flare at VHE was detected triggering further observations at VHE (H.E.S.S.), X-rays (Chandra), and radio (43 GHz Very Long Baseline Array, VLBA). The excellent sampling of the VHE gamma-ray light curve enables one to derive a precise temporal characterization of the flare: the single, isolated flare is well described by a two-sided exponential function with significantly different flux rise and decay times of tau(rise)(d) = (1.69 +/- 0.30) days and tau(decay)(d) = (0.611 +/- 0.080) days, respectively. While the overall variability pattern of the 2010 flare appears somewhat different from that of previous VHE flares in 2005 and 2008, they share very similar timescales (similar to day), peak fluxes (Phi(>0.35 TeV) similar or equal to (1-3) x 10(-11) photons cm(-2) s(-1)), and VHE spectra. VLBA radio observations of 43 GHz of the inner jet regions indicate no enhanced flux in 2010 in contrast to observations in 2008, where an increase of the radio flux of the innermost core regions coincided with a VHE flare. On the other hand, Chandra X-ray observations taken similar to 3 days after the peak of the VHE gamma-ray emission reveal an enhanced flux from the core (flux increased by factor similar to 2; variability timescale <2 days). The long-term (2001-2010) multi-wavelength (MWL) light curve of M 87, spanning from radio to VHE and including data from Hubble Space Telescope, Liverpool Telescope, Very Large Array, and European VLBI Network, is used to further investigate the origin of the VHE gamma-ray emission. No unique, common MWL signature of the three VHE flares has been identified. In the outer kiloparsec jet region, in particular in HST-1, no enhanced MWL activity was detected in 2008 and 2010, disfavoring it as the origin of the VHE flares during these years. Shortly after two of the three flares (2008 and 2010), the X-ray core was observed to be at a higher flux level than its characteristic range (determined from more than 60 monitoring observations: 2002-2009). In 2005, the strong flux dominance of HST-1 could have suppressed the detection of such a feature. Published models for VHE gamma-ray emission from M 87 are reviewed in the light of the new data.
KW  - galaxies: active
KW  - galaxies: individual (M 87)
KW  - galaxies: jets
KW  - galaxies: nuclei
KW  - gamma rays: galaxies
KW  - radiation mechanisms: non-thermal
Y1  - 2012
U6  - https://doi.org/10.1088/0004-637X/746/2/151
SN  - 0004-637X
VL  - 746
IS  - 2
PB  - IOP Publ. Ltd.
CY  - Bristol
ER  -