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A search for spectral hysteresis and energy-dependent time lags from X-ray and TeV gamma-ray observations of Mrk 421

Abeysekara, A.U.; Archambault, S.; Archer, A.; Benbow, W.; Bird, R.; Buchovecky, M.; Buckley, J.H.; Bugaev, V.; Cardenzana, J.V; Cerruti, M. et al.
A search for spectral hysteresis and energy-dependent time lags from X-ray and TeV gamma-ray observations of Mrk 421 // The Astrophysical journal, 834 (2017), 1; 2-1 doi:10.3847/1538-4357/834/1/2 (međunarodna recenzija, članak, znanstveni)

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Naslov
A search for spectral hysteresis and energy-dependent time lags from X-ray and TeV gamma-ray observations of Mrk 421

Autori
Abeysekara, A.U. ; Archambault, S. ; Archer, A. ; Benbow, W. ; Bird, R. ; Buchovecky, M. ; Buckley, J.H. ; Bugaev, V. ; Cardenzana, J.V ; Cerruti, M. ; Chen, X. ; Ciupik, L. ; Connolly, M.P. ; Cui, W. ; Eisch, J.D. ; Falcone, A. ; Feng, Q. ; Finley, J.P. ; Fleischhack, H. ; Flinders, A. ; Fortson, L. ; Furniss, A. ; Griffin, S. ; Håkansson, M.H.N. ; Hanna, D. ; Hervet, O. ; Holder, J. ; Humensky, T.B. ; Kaaret, P. ; Kar, P. ; Kertzman, M. ; Kieda, D. ; Krause, M. ; Kumar, S. ; Lang, M.J. ; Maier, G. ; McArthur, S. ; McCann, A. ; Meagher, K. ; Moriarty, P. ; Mukherjee, R. ; Nieto, D. ; Ong, S.O.R.A. ; Otte, A.N. ; Park, N. ; Pelassa, V. ; Pohl, M. ; Popkow, A. ; Pueschel, E. ; Ragan, K. ; Reynolds, P.T. ; Richards, G.T. ; Roache, E. ; Sadeh, I. ; Santander, M. ; Sembroski, G.H. ; Shahinyan, K. ; Staszak, D. ; Telezhinsky, I. ; Tucci, J.V. ; Tyler, J. ; Wakely, S.P. ; Weinstein, A. ; Wilhelm, A. ; Williams, D.A. ; Ahnen, M.L. ; Ansoldi, S. ; Antonelli, L.A. ; Antoranz, P. ; Arcaro, C. ; Babić, Ana ; Banerjee, B. ; Bangale, P. ; Almeida, Barres de U. ; Barrio, J.A. ; González, J. Becerra ; Bednarek, W. ; Bernardini, E. ; Berti, A. ; Biasuzzi, B. ; Biland, A. ; Blanch, O. ; Bonnefoy, S. ; Bonnoli, G. ; Borracci, F. ; Bretz, T. ; Carosi, R. ; Carosi, A. ; Chatterjee, A. ; Colin, P. ; Colombo, E. ; Contreras, J. L. ; Cortina, J. ; Covino, S. ; Cumani, P. ; Da Vela, P. ; Dazzi, F. ; De Angelis, A. ; De Lotto, B. ; de Oña Wilhelmi, E. ; Di Pierro, F. ; Doert, M. ; Domínguez, A. ; Dominis Prester, Dijana ; Dorner, D. ; Doro, M. ; Einecke, S. ; Glawion, D. Eisenacher ; Elsaesser, D. ; Engelkemeier, M. ; Ramazani, V. Fallah ; Fernández-Barral, A. ; Fidalgo, D. ; Fonseca, M. V. ; Font, L. ; Fruck, C. ; Galindo, D. ; López, García R.J. ; Garczarczyk, M. ; Gaug, M. ; Giammaria, P. ; Godinović, Nikola ; Gora, D. ; Guberman, D. ; Hadasch, D. ; Hahn, A. ; Hassan, T. ; Hayashida, M. ; Herrera, J. ; Hose, J. ; Hrupec, Dario ; Hughes, G. ; Idec, W. ; Kodani, K. ; Konno, Y. ; Kubo, H. ; Kushida, J. ; Lelas, Damir ; Lindfors, E. ; Lombardi, S. ; Longo, F. ; López, M. ; López-Coto, R. ; Majumdar, P. ; Makariev, M. ; Mallot, K. ; Maneva, G. ; Manganaro, M. ; Mannheim, K. ; Maraschi, L. ; Marcote, B. ; Mariotti, M. ; Martínez, M. ; Mazin, D. ; Menzel, U. ; Mirzoyan, R. ; Moralejo, A. ; Moretti, E. ; Nakajima, D. ; Neustroev, V. ; Niedzwiecki, A. ; Rosillo, M. Nievas ; Nilsson, K. ; Nishijima, K. ; Noda, K. ; Nogués, L. ; Nöthe, M. ; Paiano, S. ; Palacio, J. ; Palatiello, M. ; Paneque, D. ; Paoletti, R. ; Paredes, J.M. ; Paredes-Fortuny, X. ; Pedaletti, G. ; Peresano, M. ; Perri, L. ; Peršić, M. ; Poutanen, J. ; Moroni, Prada P.G. ; Prandini, E. ; Puljak, Ivica ; Garcia, J.R. ; Reichardt, I. ; Rhode, W. ; Ribó, M. ; Rico, J. ; Saito, T. ; Satalecka, K. ; Schroeder, S. ; Schweizer, T. ; Shore, S. N. ; Sillanpää, A. ; Sitarek, J. ; Šnidarić, Iva ; Sobczynska, D. ; Stamerra, A. ; Strzys, M. ; Surić, Tihomir ; Takalo, L. ; Tavecchio, F. ; Temnikov, P. ; Terzić, Tomislav ; Tescaro, D. ; Teshima, M. ; Torres, D.F. ; Torres-Albà, N. ; Toyama, T. ; Treves, A. ; Vanzo, G. ; Acosta, M. Vazquez ; Vovk, I. ; Ward, J.E. ; Will, M. ; Wu, M.H. ; Zanin, R. ; Hovatta, T. ; de la Calle Perez, I. ; Smith, P.S. ; Racero, E. ; Baloković, M. ; undefined, undefined ; undefined, undefined

Izvornik
The Astrophysical journal (0004-637X) 834 (2017), 1; 2-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
galaxies: active – BL Lacertae objects: individual: (Markarian 421) ; gamma rays: general ; radiation mechanisms: non-thermal

Sažetak
Blazars are variable emitters across all wavelengths over a wide range of timescales, from months down to minutes. It is therefore essential to observe blazars simultaneously at different wavelengths, especially in the X-ray and gamma-ray bands, where the broadband spectral energy distributions usually peak. In this work, we report on three "target-of-opportunity" (ToO) observations of Mrk 421, one of the brightest TeV blazars, triggered by a strong flaring event at TeV energies in 2014. These observations feature long, continuous, and simultaneous exposures with XMM-Newton (covering X-ray and optical/ultraviolet bands) and VERITAS (covering TeV gamma-ray band), along with contemporaneous observations from other gamma-ray facilities (MAGIC and Fermi-LAT) and a number of radio and optical facilities. Although neither rapid flares nor significant X-ray/TeV correlation are detected, these observations reveal subtle changes in the X-ray spectrum of the source over the course of a few days. We search the simultaneous X-ray and TeV data for spectral hysteresis patterns and time delays, which could provide insight into the emission mechanisms and the source properties (e.g. the radius of the emitting region, the strength of the magnetic field, and related timescales). The observed broadband spectra are consistent with a one-zone synchrotron self-Compton model. We find that the power spectral density distribution at >4×10−4 Hz from the X-ray data can be described by a power-law model with an index value between 1.2 and 1.8, and do not find evidence for a steepening of the power spectral index (often associated with a characteristic length scale) compared to the previously reported values at lower frequencies.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Ustanove:
Fakultet elektrotehnike, strojarstva i brodogradnje, Split,
Fakultet elektrotehnike i računarstva, Zagreb,
Institut "Ruđer Bošković", Zagreb,
Sveučilište u Osijeku - Odjel za fiziku,
Sveučilište u Rijeci - Odjel za fiziku

Profili:

Avatar Url Dario Hrupec (autor)

Avatar Url Damir Lelas (autor)

Avatar Url Ivica Puljak (autor)

Avatar Url Dijana Dominis Prester (autor)

Avatar Url Iva Šnidarić (autor)

Avatar Url Nikola Godinović (autor)

Avatar Url Tomislav Terzić (autor)

Avatar Url Ana Babić (autor)

Avatar Url Tihomir Surić (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada doi arxiv.org iopscience.iop.org

Citiraj ovu publikaciju:

Abeysekara, A.U.; Archambault, S.; Archer, A.; Benbow, W.; Bird, R.; Buchovecky, M.; Buckley, J.H.; Bugaev, V.; Cardenzana, J.V; Cerruti, M. et al.
A search for spectral hysteresis and energy-dependent time lags from X-ray and TeV gamma-ray observations of Mrk 421 // The Astrophysical journal, 834 (2017), 1; 2-1 doi:10.3847/1538-4357/834/1/2 (međunarodna recenzija, članak, znanstveni)
Abeysekara, A., Archambault, S., Archer, A., Benbow, W., Bird, R., Buchovecky, M., Buckley, J., Bugaev, V., Cardenzana, J. & Cerruti, M. (2017) A search for spectral hysteresis and energy-dependent time lags from X-ray and TeV gamma-ray observations of Mrk 421. The Astrophysical journal, 834 (1), 2-1 doi:10.3847/1538-4357/834/1/2.
@article{article, author = {Abeysekara, A.U. and Archambault, S. and Archer, A. and Benbow, W. and Bird, R. and Buchovecky, M. and Buckley, J.H. and Bugaev, V. and Cardenzana, J.V and Cerruti, M. and Chen, X. and Ciupik, L. and Connolly, M.P. and Cui, W. and Eisch, J.D. and Falcone, A. and Feng, Q. and Finley, J.P. and Fleischhack, H. and Flinders, A. and Fortson, L. and Furniss, A. and Griffin, S. and H\aakansson, M.H.N. and Hanna, D. and Hervet, O. and Holder, J. and Humensky, T.B. and Kaaret, P. and Kar, P. and Kertzman, M. and Kieda, D. and Krause, M. and Kumar, S. and Lang, M.J. and Maier, G. and McArthur, S. and McCann, A. and Meagher, K. and Moriarty, P. and Mukherjee, R. and Nieto, D. and Ong, S.O.R.A. and Otte, A.N. and Park, N. and Pelassa, V. and Pohl, M. and Popkow, A. and Pueschel, E. and Ragan, K. and Reynolds, P.T. and Richards, G.T. and Roache, E. and Sadeh, I. and Santander, M. and Sembroski, G.H. and Shahinyan, K. and Staszak, D. and Telezhinsky, I. and Tucci, J.V. and Tyler, J. and Wakely, S.P. and Weinstein, A. and Wilhelm, A. and Williams, D.A. and Ahnen, M.L. and Ansoldi, S. and Antonelli, L.A. and Antoranz, P. and Arcaro, C. and Babi\'{c}, Ana and Banerjee, B. and Bangale, P. and Almeida, Barres de U. and Barrio, J.A. and Gonz\'{a}lez, J. Becerra and Bednarek, W. and Bernardini, E. and Berti, A. and Biasuzzi, B. and Biland, A. and Blanch, O. and Bonnefoy, S. and Bonnoli, G. and Borracci, F. and Bretz, T. and Carosi, R. and Carosi, A. and Chatterjee, A. and Colin, P. and Colombo, E. and Contreras, J. L. and Cortina, J. and Covino, S. and Cumani, P. and Da Vela, P. and Dazzi, F. and De Angelis, A. and De Lotto, B. and de O\~{n}a Wilhelmi, E. and Di Pierro, F. and Doert, M. and Dom\'{\i}nguez, A. and Dominis Prester, Dijana and Dorner, D. and Doro, M. and Einecke, S. and Glawion, D. Eisenacher and Elsaesser, D. and Engelkemeier, M. and Ramazani, V. Fallah and Fern\'{a}ndez-Barral, A. and Fidalgo, D. and Fonseca, M. V. and Font, L. and Fruck, C. and Galindo, D. and L\'{o}pez, Garc\'{\i}a R.J. and Garczarczyk, M. and Gaug, M. and Giammaria, P. and Godinovi\'{c}, Nikola and Gora, D. and Guberman, D. and Hadasch, D. and Hahn, A. and Hassan, T. and Hayashida, M. and Herrera, J. and Hose, J. and Hrupec, Dario and Hughes, G. and Idec, W. and Kodani, K. and Konno, Y. and Kubo, H. and Kushida, J. and Lelas, Damir and Lindfors, E. and Lombardi, S. and Longo, F. and L\'{o}pez, M. and L\'{o}pez-Coto, R. and Majumdar, P. and Makariev, M. and Mallot, K. and Maneva, G. and Manganaro, M. and Mannheim, K. and Maraschi, L. and Marcote, B. and Mariotti, M. and Mart\'{\i}nez, M. and Mazin, D. and Menzel, U. and Mirzoyan, R. and Moralejo, A. and Moretti, E. and Nakajima, D. and Neustroev, V. and Niedzwiecki, A. and Rosillo, M. Nievas and Nilsson, K. and Nishijima, K. and Noda, K. and Nogu\'{e}s, L. and N\"{o}the, M. and Paiano, S. and Palacio, J. and Palatiello, M. and Paneque, D. and Paoletti, R. and Paredes, J.M. and Paredes-Fortuny, X. and Pedaletti, G. and Peresano, M. and Perri, L. and Per\v{s}i\'{c}, M. and Poutanen, J. and Moroni, Prada P.G. and Prandini, E. and Puljak, Ivica and Garcia, J.R. and Reichardt, I. and Rhode, W. and Rib\'{o}, M. and Rico, J. and Saito, T. and Satalecka, K. and Schroeder, S. and Schweizer, T. and Shore, S. N. and Sillanp\"{a}\"{a}, A. and Sitarek, J. and \v{S}nidari\'{c}, Iva and Sobczynska, D. and Stamerra, A. and Strzys, M. and Suri\'{c}, Tihomir and Takalo, L. and Tavecchio, F. and Temnikov, P. and Terzi\'{c}, Tomislav and Tescaro, D. and Teshima, M. and Torres, D.F. and Torres-Alb\`{a}, N. and Toyama, T. and Treves, A. and Vanzo, G. and Acosta, M. Vazquez and Vovk, I. and Ward, J.E. and Will, M. and Wu, M.H. and Zanin, R. and Hovatta, T. and de la Calle Perez, I. and Smith, P.S. and Racero, E. and Balokovi\'{c}, M. and undefined, undefined and undefined, undefined}, year = {2017}, pages = {2-1-2-45}, DOI = {10.3847/1538-4357/834/1/2}, keywords = {galaxies: active – BL Lacertae objects: individual: (Markarian 421), gamma rays: general, radiation mechanisms: non-thermal}, journal = {The Astrophysical journal}, doi = {10.3847/1538-4357/834/1/2}, volume = {834}, number = {1}, issn = {0004-637X}, title = {A search for spectral hysteresis and energy-dependent time lags from X-ray and TeV gamma-ray observations of Mrk 421}, keyword = {galaxies: active – BL Lacertae objects: individual: (Markarian 421), gamma rays: general, radiation mechanisms: non-thermal} }
@article{article, author = {Abeysekara, A.U. and Archambault, S. and Archer, A. and Benbow, W. and Bird, R. and Buchovecky, M. and Buckley, J.H. and Bugaev, V. and Cardenzana, J.V and Cerruti, M. and Chen, X. and Ciupik, L. and Connolly, M.P. and Cui, W. and Eisch, J.D. and Falcone, A. and Feng, Q. and Finley, J.P. and Fleischhack, H. and Flinders, A. and Fortson, L. and Furniss, A. and Griffin, S. and H\aakansson, M.H.N. and Hanna, D. and Hervet, O. and Holder, J. and Humensky, T.B. and Kaaret, P. and Kar, P. and Kertzman, M. and Kieda, D. and Krause, M. and Kumar, S. and Lang, M.J. and Maier, G. and McArthur, S. and McCann, A. and Meagher, K. and Moriarty, P. and Mukherjee, R. and Nieto, D. and Ong, S.O.R.A. and Otte, A.N. and Park, N. and Pelassa, V. and Pohl, M. and Popkow, A. and Pueschel, E. and Ragan, K. and Reynolds, P.T. and Richards, G.T. and Roache, E. and Sadeh, I. and Santander, M. and Sembroski, G.H. and Shahinyan, K. and Staszak, D. and Telezhinsky, I. and Tucci, J.V. and Tyler, J. and Wakely, S.P. and Weinstein, A. and Wilhelm, A. and Williams, D.A. and Ahnen, M.L. and Ansoldi, S. and Antonelli, L.A. and Antoranz, P. and Arcaro, C. and Babi\'{c}, Ana and Banerjee, B. and Bangale, P. and Almeida, Barres de U. and Barrio, J.A. and Gonz\'{a}lez, J. Becerra and Bednarek, W. and Bernardini, E. and Berti, A. and Biasuzzi, B. and Biland, A. and Blanch, O. and Bonnefoy, S. and Bonnoli, G. and Borracci, F. and Bretz, T. and Carosi, R. and Carosi, A. and Chatterjee, A. and Colin, P. and Colombo, E. and Contreras, J. L. and Cortina, J. and Covino, S. and Cumani, P. and Da Vela, P. and Dazzi, F. and De Angelis, A. and De Lotto, B. and de O\~{n}a Wilhelmi, E. and Di Pierro, F. and Doert, M. and Dom\'{\i}nguez, A. and Dominis Prester, Dijana and Dorner, D. and Doro, M. and Einecke, S. and Glawion, D. Eisenacher and Elsaesser, D. and Engelkemeier, M. and Ramazani, V. Fallah and Fern\'{a}ndez-Barral, A. and Fidalgo, D. and Fonseca, M. V. and Font, L. and Fruck, C. and Galindo, D. and L\'{o}pez, Garc\'{\i}a R.J. and Garczarczyk, M. and Gaug, M. and Giammaria, P. and Godinovi\'{c}, Nikola and Gora, D. and Guberman, D. and Hadasch, D. and Hahn, A. and Hassan, T. and Hayashida, M. and Herrera, J. and Hose, J. and Hrupec, Dario and Hughes, G. and Idec, W. and Kodani, K. and Konno, Y. and Kubo, H. and Kushida, J. and Lelas, Damir and Lindfors, E. and Lombardi, S. and Longo, F. and L\'{o}pez, M. and L\'{o}pez-Coto, R. and Majumdar, P. and Makariev, M. and Mallot, K. and Maneva, G. and Manganaro, M. and Mannheim, K. and Maraschi, L. and Marcote, B. and Mariotti, M. and Mart\'{\i}nez, M. and Mazin, D. and Menzel, U. and Mirzoyan, R. and Moralejo, A. and Moretti, E. and Nakajima, D. and Neustroev, V. and Niedzwiecki, A. and Rosillo, M. Nievas and Nilsson, K. and Nishijima, K. and Noda, K. and Nogu\'{e}s, L. and N\"{o}the, M. and Paiano, S. and Palacio, J. and Palatiello, M. and Paneque, D. and Paoletti, R. and Paredes, J.M. and Paredes-Fortuny, X. and Pedaletti, G. and Peresano, M. and Perri, L. and Per\v{s}i\'{c}, M. and Poutanen, J. and Moroni, Prada P.G. and Prandini, E. and Puljak, Ivica and Garcia, J.R. and Reichardt, I. and Rhode, W. and Rib\'{o}, M. and Rico, J. and Saito, T. and Satalecka, K. and Schroeder, S. and Schweizer, T. and Shore, S. N. and Sillanp\"{a}\"{a}, A. and Sitarek, J. and \v{S}nidari\'{c}, Iva and Sobczynska, D. and Stamerra, A. and Strzys, M. and Suri\'{c}, Tihomir and Takalo, L. and Tavecchio, F. and Temnikov, P. and Terzi\'{c}, Tomislav and Tescaro, D. and Teshima, M. and Torres, D.F. and Torres-Alb\`{a}, N. and Toyama, T. and Treves, A. and Vanzo, G. and Acosta, M. Vazquez and Vovk, I. and Ward, J.E. and Will, M. and Wu, M.H. and Zanin, R. and Hovatta, T. and de la Calle Perez, I. and Smith, P.S. and Racero, E. and Balokovi\'{c}, M. and undefined, undefined and undefined, undefined}, year = {2017}, pages = {2-1-2-45}, DOI = {10.3847/1538-4357/834/1/2}, keywords = {galaxies: active – BL Lacertae objects: individual: (Markarian 421), gamma rays: general, radiation mechanisms: non-thermal}, journal = {The Astrophysical journal}, doi = {10.3847/1538-4357/834/1/2}, volume = {834}, number = {1}, issn = {0004-637X}, title = {A search for spectral hysteresis and energy-dependent time lags from X-ray and TeV gamma-ray observations of Mrk 421}, keyword = {galaxies: active – BL Lacertae objects: individual: (Markarian 421), gamma rays: general, radiation mechanisms: non-thermal} }

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    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
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