Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE

Context. On March 28, 2011, the BAT instrument on board the Swift satellite detected a new transient event that in the very beginning was classifiedas a gamma ray burst (GRB). However, the unusual X-ray flaring activity observed from a few hours up to days after the onset of the event madea differen...

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Main Authors:	Aleksic, J., Antonelli, L., Antoranz, P., Asensio, M., Backes, M., Barres de Almeida, U., Barrio, J., Becerra Gonzalez, J., Bednarek, W., Berger, K., Bernardini, E., Biland, A., Blanch, O., Bock, R., Boller, A., Bonnefoy, S., Bonnoli, G., Borla Tridon, D., Bretz, T., Carmona, E., Carosi, A., Carreto Fidalgo, D., Colin, P., Colombo, E., Contreras, J., Cortina, J., Covino, S., Da Vela, P., Dazzi, F., de Angelis, A., De Caneva, G., De Lotto, B., Delgado Mendez, C., Doert, M., Dominguez, A., Dominis Prester, D., Dorner, D., Doro, M., Eisenacher, D., Elsaesser, D., Farina, E., Ferenc, D., Fonseca, M., Font, L., Fruck, C., Garcia Lopez, R., Garczarczyk, M., Garrido Terrats, D., Gaug, M., Giavitto, G., Godinovic, N., Gonzalez Munoz, A., Gozzini, S., Hadamek, A., Hadasch, D., Herrero, A., Hose, J., Hrupec, D., Idec, W., Jankowski, F., Kadenius, V., Klepser, S., Knoetig, M., Krahenbuhl, T., Krause, J., Kushida, J., La Barbera, A., Lelas, D., Lewandowska, N., Lindfors, E., Lombardi, S., Lopez, M., Lopez-Coto, R., Lopez-Oramas, A., Lorenz, E., Lozano, I., Makariev, M., Mallot, K., Maneva, G., Mankuzhiyil, N., Mannheim, K., Maraschi, L., Marcote, B., Mariotti, M., Martínez, M., Masbou, J., Mazin, D., Meucci, M., Miranda, J., Mirzoyan, R., Moldon, J., Moralejo, A., Munar-Adrover, P., Nakajima, D., Niedzwiecki, A., Nilsson, K., Nowak, N., Orito, R., Paiano, S., Palatiello, M., Paneque, D., Paoletti, D., Paredes, J., Partini, S., Persic, M., Prada, F., Prada Moroni, P., Prandini, E., Puljak, I., Reichardt, I., Reinthal, R., Rhode, W., Ribo, M., Rico, J., Saggion, A., Saito, K., Saito, T., Salvati, M., Satalecka, K., Scalzotto, V., Scapin, V., Schultz, C., Schweizer, T., Shore, S., Sillanpaa, A., Sitarek, J., Snidaric, I., Sobczynska, D., Spanier, F., Spiro, S., Stamatescu, V., Stamerra, A., Steinke, B., Storz, J., Sun, S., Suric, T., Takalo, L., Takami, H., Tavecchio, F., Temnikov, P., Terzic, T., Tescaro, D., Teshima, M., Tibolla, Omar, Torres, D., Toyama, T., Treves, A., Uellenbeck, M., Vogler, P., Wagner, R., Weitzel, Q., Zandanel, F., Zanin, R., Longo, F., Lucarelli, F., Pittori, C., Verrecchia, F.
Format:	Journal Article
Published:	EDP Sciences 2013
Subjects:	radiation mechanisms: non-thermal gamma rays: general galaxies: active
Online Access:	http://www.aanda.org/articles/aa/pdf/2013/04/aa21197-13.pdf http://hdl.handle.net/20.500.11937/28042

_version_	1848752429804290048
author	Aleksic, J. Antonelli, L. Antoranz, P. Asensio, M. Backes, M. Barres de Almeida, U. Barrio, J. Becerra Gonzalez, J. Bednarek, W. Berger, K. Bernardini, E. Biland, A. Blanch, O. Bock, R. Boller, A. Bonnefoy, S. Bonnoli, G. Borla Tridon, D. Bretz, T. Carmona, E. Carosi, A. Carreto Fidalgo, D. Colin, P. Colombo, E. Contreras, J. Cortina, J. Covino, S. Da Vela, P. Dazzi, F. de Angelis, A. De Caneva, G. De Lotto, B. Delgado Mendez, C. Doert, M. Dominguez, A. Dominis Prester, D. Dorner, D. Doro, M. Eisenacher, D. Elsaesser, D. Farina, E. Ferenc, D. Fonseca, M. Font, L. Fruck, C. Garcia Lopez, R. Garczarczyk, M. Garrido Terrats, D. Gaug, M. Giavitto, G. Godinovic, N. Gonzalez Munoz, A. Gozzini, S. Hadamek, A. Hadasch, D. Herrero, A. Hose, J. Hrupec, D. Idec, W. Jankowski, F. Kadenius, V. Klepser, S. Knoetig, M. Krahenbuhl, T. Krause, J. Kushida, J. La Barbera, A. Lelas, D. Lewandowska, N. Lindfors, E. Lombardi, S. Lopez, M. Lopez-Coto, R. Lopez-Oramas, A. Lorenz, E. Lozano, I. Makariev, M. Mallot, K. Maneva, G. Mankuzhiyil, N. Mannheim, K. Maraschi, L. Marcote, B. Mariotti, M. Martínez, M. Masbou, J. Mazin, D. Meucci, M. Miranda, J. Mirzoyan, R. Moldon, J. Moralejo, A. Munar-Adrover, P. Nakajima, D. Niedzwiecki, A. Nilsson, K. Nowak, N. Orito, R. Paiano, S. Palatiello, M. Paneque, D. Paoletti, D. Paredes, J. Partini, S. Persic, M. Prada, F. Prada Moroni, P. Prandini, E. Puljak, I. Reichardt, I. Reinthal, R. Rhode, W. Ribo, M. Rico, J. Saggion, A. Saito, K. Saito, T. Salvati, M. Satalecka, K. Scalzotto, V. Scapin, V. Schultz, C. Schweizer, T. Shore, S. Sillanpaa, A. Sitarek, J. Snidaric, I. Sobczynska, D. Spanier, F. Spiro, S. Stamatescu, V. Stamerra, A. Steinke, B. Storz, J. Sun, S. Suric, T. Takalo, L. Takami, H. Tavecchio, F. Temnikov, P. Terzic, T. Tescaro, D. Teshima, M. Tibolla, Omar Torres, D. Toyama, T. Treves, A. Uellenbeck, M. Vogler, P. Wagner, R. Weitzel, Q. Zandanel, F. Zanin, R. Longo, F. Lucarelli, F. Pittori, C. Verrecchia, F.
author_facet	Aleksic, J. Antonelli, L. Antoranz, P. Asensio, M. Backes, M. Barres de Almeida, U. Barrio, J. Becerra Gonzalez, J. Bednarek, W. Berger, K. Bernardini, E. Biland, A. Blanch, O. Bock, R. Boller, A. Bonnefoy, S. Bonnoli, G. Borla Tridon, D. Bretz, T. Carmona, E. Carosi, A. Carreto Fidalgo, D. Colin, P. Colombo, E. Contreras, J. Cortina, J. Covino, S. Da Vela, P. Dazzi, F. de Angelis, A. De Caneva, G. De Lotto, B. Delgado Mendez, C. Doert, M. Dominguez, A. Dominis Prester, D. Dorner, D. Doro, M. Eisenacher, D. Elsaesser, D. Farina, E. Ferenc, D. Fonseca, M. Font, L. Fruck, C. Garcia Lopez, R. Garczarczyk, M. Garrido Terrats, D. Gaug, M. Giavitto, G. Godinovic, N. Gonzalez Munoz, A. Gozzini, S. Hadamek, A. Hadasch, D. Herrero, A. Hose, J. Hrupec, D. Idec, W. Jankowski, F. Kadenius, V. Klepser, S. Knoetig, M. Krahenbuhl, T. Krause, J. Kushida, J. La Barbera, A. Lelas, D. Lewandowska, N. Lindfors, E. Lombardi, S. Lopez, M. Lopez-Coto, R. Lopez-Oramas, A. Lorenz, E. Lozano, I. Makariev, M. Mallot, K. Maneva, G. Mankuzhiyil, N. Mannheim, K. Maraschi, L. Marcote, B. Mariotti, M. Martínez, M. Masbou, J. Mazin, D. Meucci, M. Miranda, J. Mirzoyan, R. Moldon, J. Moralejo, A. Munar-Adrover, P. Nakajima, D. Niedzwiecki, A. Nilsson, K. Nowak, N. Orito, R. Paiano, S. Palatiello, M. Paneque, D. Paoletti, D. Paredes, J. Partini, S. Persic, M. Prada, F. Prada Moroni, P. Prandini, E. Puljak, I. Reichardt, I. Reinthal, R. Rhode, W. Ribo, M. Rico, J. Saggion, A. Saito, K. Saito, T. Salvati, M. Satalecka, K. Scalzotto, V. Scapin, V. Schultz, C. Schweizer, T. Shore, S. Sillanpaa, A. Sitarek, J. Snidaric, I. Sobczynska, D. Spanier, F. Spiro, S. Stamatescu, V. Stamerra, A. Steinke, B. Storz, J. Sun, S. Suric, T. Takalo, L. Takami, H. Tavecchio, F. Temnikov, P. Terzic, T. Tescaro, D. Teshima, M. Tibolla, Omar Torres, D. Toyama, T. Treves, A. Uellenbeck, M. Vogler, P. Wagner, R. Weitzel, Q. Zandanel, F. Zanin, R. Longo, F. Lucarelli, F. Pittori, C. Verrecchia, F.
author_sort	Aleksic, J.
building	Curtin Institutional Repository
collection	Online Access
description	Context. On March 28, 2011, the BAT instrument on board the Swift satellite detected a new transient event that in the very beginning was classifiedas a gamma ray burst (GRB). However, the unusual X-ray flaring activity observed from a few hours up to days after the onset of the event madea different nature seem to be more likely. The long-lasting activity in the X-ray band, followed by a delayed brightening of the source in infraredand radio activity, suggested that it is better interpreted as a tidal disruption event that triggered a dormant black hole in the nucleus of the hostgalaxy and generated an outflowing jet of relativistic matter.Aims. Detecting a very high energy emission component from such a peculiar object would be enable us to constrain the dynamic of the emissionprocesses and the jet model by providing information on the Doppler factor of the relativistic ejecta .Methods. The MAGIC telescopes observed the peculiar source Swift J1644+57 during the flaring phase, searching for gamma-ray emission atvery-high energy (VHE, E > 100 GeV), starting observations nearly 2.5 days after the trigger time. MAGIC collected a total of 28 h of dataduring 12 nights. The source was observed in wobble mode during dark time at a mean zenith angle of 35?. Data were reduced using a newimage-cleaning algorithm, the so-called sum-cleaning, which guarantees a better noise suppression and a lower energy threshold than the standardanalysis procedure.Results. No clear evidence for emission above the energy threshold of 100 GeV was found. MAGIC observations permit one to constrain theemission from the source down to 100 GeV, which favors models that explain the observed lower energy variable emission. Data analysis ofsimultaneous observations from AGILE, Fermi and VERITAS also provide negative detection, which additionally constrain the self-Comptonemission component.
first_indexed	2025-11-14T08:08:29Z
format	Journal Article
id	curtin-20.500.11937-28042
institution	Curtin University Malaysia
institution_category	Local University
last_indexed	2025-11-14T08:08:29Z
publishDate	2013
publisher	EDP Sciences
recordtype	eprints
repository_type	Digital Repository
spelling	curtin-20.500.11937-280422017-02-28T01:42:13Z Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE Aleksic, J. Antonelli, L. Antoranz, P. Asensio, M. Backes, M. Barres de Almeida, U. Barrio, J. Becerra Gonzalez, J. Bednarek, W. Berger, K. Bernardini, E. Biland, A. Blanch, O. Bock, R. Boller, A. Bonnefoy, S. Bonnoli, G. Borla Tridon, D. Bretz, T. Carmona, E. Carosi, A. Carreto Fidalgo, D. Colin, P. Colombo, E. Contreras, J. Cortina, J. Covino, S. Da Vela, P. Dazzi, F. de Angelis, A. De Caneva, G. De Lotto, B. Delgado Mendez, C. Doert, M. Dominguez, A. Dominis Prester, D. Dorner, D. Doro, M. Eisenacher, D. Elsaesser, D. Farina, E. Ferenc, D. Fonseca, M. Font, L. Fruck, C. Garcia Lopez, R. Garczarczyk, M. Garrido Terrats, D. Gaug, M. Giavitto, G. Godinovic, N. Gonzalez Munoz, A. Gozzini, S. Hadamek, A. Hadasch, D. Herrero, A. Hose, J. Hrupec, D. Idec, W. Jankowski, F. Kadenius, V. Klepser, S. Knoetig, M. Krahenbuhl, T. Krause, J. Kushida, J. La Barbera, A. Lelas, D. Lewandowska, N. Lindfors, E. Lombardi, S. Lopez, M. Lopez-Coto, R. Lopez-Oramas, A. Lorenz, E. Lozano, I. Makariev, M. Mallot, K. Maneva, G. Mankuzhiyil, N. Mannheim, K. Maraschi, L. Marcote, B. Mariotti, M. Martínez, M. Masbou, J. Mazin, D. Meucci, M. Miranda, J. Mirzoyan, R. Moldon, J. Moralejo, A. Munar-Adrover, P. Nakajima, D. Niedzwiecki, A. Nilsson, K. Nowak, N. Orito, R. Paiano, S. Palatiello, M. Paneque, D. Paoletti, D. Paredes, J. Partini, S. Persic, M. Prada, F. Prada Moroni, P. Prandini, E. Puljak, I. Reichardt, I. Reinthal, R. Rhode, W. Ribo, M. Rico, J. Saggion, A. Saito, K. Saito, T. Salvati, M. Satalecka, K. Scalzotto, V. Scapin, V. Schultz, C. Schweizer, T. Shore, S. Sillanpaa, A. Sitarek, J. Snidaric, I. Sobczynska, D. Spanier, F. Spiro, S. Stamatescu, V. Stamerra, A. Steinke, B. Storz, J. Sun, S. Suric, T. Takalo, L. Takami, H. Tavecchio, F. Temnikov, P. Terzic, T. Tescaro, D. Teshima, M. Tibolla, Omar Torres, D. Toyama, T. Treves, A. Uellenbeck, M. Vogler, P. Wagner, R. Weitzel, Q. Zandanel, F. Zanin, R. Longo, F. Lucarelli, F. Pittori, C. Verrecchia, F. radiation mechanisms: non-thermal gamma rays: general galaxies: active Context. On March 28, 2011, the BAT instrument on board the Swift satellite detected a new transient event that in the very beginning was classifiedas a gamma ray burst (GRB). However, the unusual X-ray flaring activity observed from a few hours up to days after the onset of the event madea different nature seem to be more likely. The long-lasting activity in the X-ray band, followed by a delayed brightening of the source in infraredand radio activity, suggested that it is better interpreted as a tidal disruption event that triggered a dormant black hole in the nucleus of the hostgalaxy and generated an outflowing jet of relativistic matter.Aims. Detecting a very high energy emission component from such a peculiar object would be enable us to constrain the dynamic of the emissionprocesses and the jet model by providing information on the Doppler factor of the relativistic ejecta .Methods. The MAGIC telescopes observed the peculiar source Swift J1644+57 during the flaring phase, searching for gamma-ray emission atvery-high energy (VHE, E > 100 GeV), starting observations nearly 2.5 days after the trigger time. MAGIC collected a total of 28 h of dataduring 12 nights. The source was observed in wobble mode during dark time at a mean zenith angle of 35?. Data were reduced using a newimage-cleaning algorithm, the so-called sum-cleaning, which guarantees a better noise suppression and a lower energy threshold than the standardanalysis procedure.Results. No clear evidence for emission above the energy threshold of 100 GeV was found. MAGIC observations permit one to constrain theemission from the source down to 100 GeV, which favors models that explain the observed lower energy variable emission. Data analysis ofsimultaneous observations from AGILE, Fermi and VERITAS also provide negative detection, which additionally constrain the self-Comptonemission component. 2013 Journal Article http://hdl.handle.net/20.500.11937/28042 http://www.aanda.org/articles/aa/pdf/2013/04/aa21197-13.pdf EDP Sciences restricted
spellingShingle	radiation mechanisms: non-thermal gamma rays: general galaxies: active Aleksic, J. Antonelli, L. Antoranz, P. Asensio, M. Backes, M. Barres de Almeida, U. Barrio, J. Becerra Gonzalez, J. Bednarek, W. Berger, K. Bernardini, E. Biland, A. Blanch, O. Bock, R. Boller, A. Bonnefoy, S. Bonnoli, G. Borla Tridon, D. Bretz, T. Carmona, E. Carosi, A. Carreto Fidalgo, D. Colin, P. Colombo, E. Contreras, J. Cortina, J. Covino, S. Da Vela, P. Dazzi, F. de Angelis, A. De Caneva, G. De Lotto, B. Delgado Mendez, C. Doert, M. Dominguez, A. Dominis Prester, D. Dorner, D. Doro, M. Eisenacher, D. Elsaesser, D. Farina, E. Ferenc, D. Fonseca, M. Font, L. Fruck, C. Garcia Lopez, R. Garczarczyk, M. Garrido Terrats, D. Gaug, M. Giavitto, G. Godinovic, N. Gonzalez Munoz, A. Gozzini, S. Hadamek, A. Hadasch, D. Herrero, A. Hose, J. Hrupec, D. Idec, W. Jankowski, F. Kadenius, V. Klepser, S. Knoetig, M. Krahenbuhl, T. Krause, J. Kushida, J. La Barbera, A. Lelas, D. Lewandowska, N. Lindfors, E. Lombardi, S. Lopez, M. Lopez-Coto, R. Lopez-Oramas, A. Lorenz, E. Lozano, I. Makariev, M. Mallot, K. Maneva, G. Mankuzhiyil, N. Mannheim, K. Maraschi, L. Marcote, B. Mariotti, M. Martínez, M. Masbou, J. Mazin, D. Meucci, M. Miranda, J. Mirzoyan, R. Moldon, J. Moralejo, A. Munar-Adrover, P. Nakajima, D. Niedzwiecki, A. Nilsson, K. Nowak, N. Orito, R. Paiano, S. Palatiello, M. Paneque, D. Paoletti, D. Paredes, J. Partini, S. Persic, M. Prada, F. Prada Moroni, P. Prandini, E. Puljak, I. Reichardt, I. Reinthal, R. Rhode, W. Ribo, M. Rico, J. Saggion, A. Saito, K. Saito, T. Salvati, M. Satalecka, K. Scalzotto, V. Scapin, V. Schultz, C. Schweizer, T. Shore, S. Sillanpaa, A. Sitarek, J. Snidaric, I. Sobczynska, D. Spanier, F. Spiro, S. Stamatescu, V. Stamerra, A. Steinke, B. Storz, J. Sun, S. Suric, T. Takalo, L. Takami, H. Tavecchio, F. Temnikov, P. Terzic, T. Tescaro, D. Teshima, M. Tibolla, Omar Torres, D. Toyama, T. Treves, A. Uellenbeck, M. Vogler, P. Wagner, R. Weitzel, Q. Zandanel, F. Zanin, R. Longo, F. Lucarelli, F. Pittori, C. Verrecchia, F. Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE
title	Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE
title_full	Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE
title_fullStr	Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE
title_full_unstemmed	Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE
title_short	Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE
title_sort	very high energy gamma-ray observation of the peculiar transient event swift j1644+57 with the magic telescopes and agile
topic	radiation mechanisms: non-thermal gamma rays: general galaxies: active
url	http://www.aanda.org/articles/aa/pdf/2013/04/aa21197-13.pdf http://hdl.handle.net/20.500.11937/28042

Very high energy gamma-ray observation of the peculiar transient event Swift J1644+57 with the MAGIC telescopes and AGILE

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