Journal article
Multiband variability studies and novel broadband SED modeling of Mrk 501 in 2009
Astronomy and Astrophysics, v 603, pA31
30 Dec 2016
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
A&A 603, A31 (2017) We present an extensive study of the BL Lac object Mrk 501 based on a data
set collected during the multi-instrument campaign spanning from 2009 March 15
to 2009 August 1 which includes, among other instruments, MAGIC, VERITAS,
Whipple 10-m, Fermi-LAT, RXTE, Swift, GASP-WEBT and VLBA. We find an increase
in the fractional variability with energy, while no significant interband
correlations of flux changes are found in the acquired data set. The higher
variability in the very high energy (>100 GeV, VHE) gamma-ray emission and the
lack of correlation with the X-ray emission indicate that the highest-energy
electrons that are responsible for the VHE gamma-rays do not make a dominant
contribution to the ~1 keV emission. Alternatively, there could be a very
variable component contributing to the VHE gamma-ray emission in addition to
that coming from the synchrotron self-Compton (SSC) scenarios. The space of SSC
model parameters is probed following a dedicated grid-scan strategy, allowing
for a wide range of models to be tested and offering a study of the degeneracy
of model-to-data agreement in the individual model parameters. We find that
there is some degeneracy in both the one-zone and the two-zone SSC scenarios
that were probed, with several combinations of model parameters yielding a
similar model-to-data agreement, and some parameters better constrained than
others. The SSC model grid-scan shows that the flaring activity around 2009 May
22 cannot be modeled adequately with a one-zone SSC scenario, while it can be
suitably described within a two-independent-zone SSC scenario. The observation
of an electric vector polarization angle rotation coincident with the gamma-ray
flare from 2009 May 1 resembles those reported previously for low frequency
peaked blazars, hence suggesting that there are many similarities in the
flaring mechanisms of blazars with different jet properties.
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Details
- Title
- Multiband variability studies and novel broadband SED modeling of Mrk 501 in 2009
- Creators
- M. L Ahnen - ETH ZurichS Ansoldi - University of UdineL. A Antonelli - National Institute for AstrophysicsP Antoranz - University of SienaA Babic - University of ZagrebB Banerjee - Saha Institute of Nuclear PhysicsP Bangale - Max Planck SocietyU. Barres de Almeida - Max Planck SocietyJ. A Barrio - Complutense University of MadridJ. Becerra González - University of La LagunaW Bednarek - University of Łódź, Lodz, PolandE Bernardini - Humboldt-Universität zu BerlinA Berti - University of UdineB Biasuzzi - University of UdineA Biland - ETH ZurichO Blanch - Institute for High Energy PhysicsS Bonnefoy - Complutense University of MadridG Bonnoli - National Institute for AstrophysicsF Borracci - Max Planck SocietyT Bretz - École Polytechnique Fédérale de LausanneS Buson - University of PaduaA Carosi - National Institute for AstrophysicsA Chatterjee - Saha Institute of Nuclear PhysicsR Clavero - University of La LagunaP Colin - Max Planck SocietyE Colombo - University of La LagunaJ. L Contreras - Complutense University of MadridJ Cortina - Institute for High Energy PhysicsS Covino - National Institute for AstrophysicsP Da Vela - University of SienaF Dazzi - Max Planck SocietyA De Angelis - University of PaduaB De Lotto - University of UdineE. de Ona Wilhelmi - Institute for Space SciencesF Di Pierro - National Institute for AstrophysicsM Doert - TU Dortmund UniversityA Domínguez - Complutense University of MadridD. Dominis Prester - University of ZagrebD Dorner - University of WürzburgM Doro - University of PaduaS Einecke - TU Dortmund UniversityD. Eisenacher Glawion - University of WürzburgD Elsaesser - TU Dortmund UniversityM Engelkemeier - TU Dortmund UniversityV. Fallah Ramazani - University of TurkuA Fernández-Barral - Institute for High Energy PhysicsD Fidalgo - Complutense University of MadridM. V Fonseca - Complutense University of MadridL Font - Autonomous University of BarcelonaK Frantzen - TU Dortmund UniversityC Fruck - Max Planck SocietyD Galindo - University of BarcelonaR. J. García López - University of La LagunaM Garczarczyk - Deutsches Elektronen-SynchrotronD. Garrido Terrats - Autonomous University of BarcelonaM Gaug - Autonomous University of BarcelonaP Giammaria - National Institute for AstrophysicsN Godinović - University of ZagrebA. González Munoz - Institute for High Energy PhysicsD Gora - Deutsches Elektronen-SynchrotronD Guberman - Institute for High Energy PhysicsD Hadasch - University of TokyoA Hahn - Max Planck SocietyY Hanabata - University of TokyoM Hayashida - University of TokyoJ Herrera - University of La LagunaJ Hose - Max Planck SocietyD Hrupec - University of ZagrebG Hughes - ETH ZurichW Idec - University of Łódź, Lodz, PolandK Kodani - University of TokyoY Konno - University of TokyoH Kubo - University of TokyoJ Kushida - University of TokyoA La Barbera - National Institute for AstrophysicsD Lelas - University of ZagrebE Lindfors - University of TurkuS Lombardi - National Institute for AstrophysicsF Longo - University of UdineM López - Complutense University of MadridR López-Coto - Max Planck SocietyP Majumdar - Saha Institute of Nuclear PhysicsM Makariev - Bulgarian Academy of SciencesK Mallot - Deutsches Elektronen-SynchrotronG Maneva - Bulgarian Academy of SciencesM Manganaro - University of La LagunaK Mannheim - University of WürzburgL Maraschi - National Institute for AstrophysicsB Marcote - University of BarcelonaM Mariotti - University of PaduaM Martínez - Institute for High Energy PhysicsD Mazin - Max Planck SocietyU Menzel - Max Planck SocietyJ. M Miranda - University of SienaR Mirzoyan - Max Planck SocietyA Moralejo - Institute for High Energy PhysicsE Moretti - Max Planck SocietyD Nakajima - University of TokyoV Neustroev - University of TurkuA Niedzwiecki - University of Łódź, Lodz, PolandM. Nievas Rosillo - Complutense University of MadridK Nilsson - University of TurkuK Nishijima - University of TokyoK Noda - Max Planck SocietyL Nogués - Institute for High Energy PhysicsA Overkemping - TU Dortmund UniversityS Paiano - University of PaduaJ Palacio - Institute for High Energy PhysicsM Palatiello - University of UdineD Paneque - Max Planck SocietyR Paoletti - University of SienaJ. M Paredes - University of BarcelonaX Paredes-Fortuny - University of BarcelonaG Pedaletti - Deutsches Elektronen-SynchrotronM Peresano - University of UdineL Perri - National Institute for AstrophysicsM Persic - University of BolognaJ Poutanen - University of TurkuP. G. Prada Moroni - University of PisaE Prandini - ETH ZurichI Puljak - University of ZagrebI Reichardt - University of PaduaW Rhode - TU Dortmund UniversityM Ribó - University of BarcelonaJ Rico - Institute for High Energy PhysicsJ. Rodriguez Garcia - Max-Planck-Institut für Physik, München, GermanyT Saito - University of TokyoK Satalecka - Deutsches Elektronen-SynchrotronS Schröder - TU Dortmund UniversityC Schultz - University of PaduaT Schweizer - Max-Planck-Institut für Physik, München, GermanyS. N Shore - University of PisaA Sillanpää - University of TurkuJ Sitarek - Max Planck SocietyI Snidaric - University of ZagrebD Sobczynska - University of Łódź, Lodz, PolandA Stamerra - National Institute for AstrophysicsT Steinbring - University of WürzburgM Strzys - Max Planck SocietyT Surić - University of ZagrebL Takalo - University of TurkuF Tavecchio - National Institute for AstrophysicsP Temnikov - Bulgarian Academy of SciencesT Terzić - University of ZagrebD Tescaro - University of PaduaM Teshima - Max Planck SocietyJ Thaele - TU Dortmund UniversityD. F Torres - ICREA and Institute for Space SciencesT Toyama - Max Planck SocietyA Treves - University of UdineG Vanzo - University of La LagunaV Verguilov - Bulgarian Academy of SciencesI Vovk - Max Planck SocietyJ. E Ward - Institute for High Energy PhysicsM Will - University of La LagunaM. H Wu - Spanish National Research CouncilR Zanin - University of BarcelonaA. U Abeysekara - University of UtahS Archambault - McGill UniversityA Archer - Washington University in St. LouisW Benbow - Harvard UniversityR Bird - University College DublinM Buchovecky - University of California, Los AngelesJ. H Buckley - Washington University in St. LouisV Bugaev - Washington University in St. LouisM. P Connolly - National University of Ireland, GalwayW Cui - Tsinghua UniversityH. J Dickinson - Iowa State UniversityA Falcone - Pennsylvania State UniversityQ Feng - Purdue University West LafayetteJ. P Finley - Purdue University West LafayetteH Fleischhack - Deutsches Elektronen-SynchrotronA Flinders - University of UtahL Fortson - University of MinnesotaG. H Gillanders - National University of Ireland, GalwayS Griffin - McGill UniversityJ Grube - Adler PlanetariumM Hütten - Deutsches Elektronen-SynchrotronD Hanna - McGill UniversityJ Holder - University of DelawareT. B Humensky - Columbia UniversityP Kaaret - University of IowaP Kar - University of UtahN Kelley-Hoskins - Deutsches Elektronen-SynchrotronM Kertzman - DePauw UniversityD Kieda - University of UtahM Krause - Deutsches Elektronen-SynchrotronF Krennrich - Iowa State UniversityM. J Lang - National University of Ireland, GalwayG Maier - Deutsches Elektronen-SynchrotronA McCann - McGill UniversityP Moriarty - National University of Ireland, GalwayR Mukherjee - Columbia UniversityD Nieto - Columbia UniversityS O'Brien - University College DublinR. A Ong - University of California, Los AngelesN Otte - Georgia Institute of TechnologyN Park - University of ChicagoJ Perkins - Goddard Space Flight CenterA Pichel - University of Buenos AiresM Pohl - University of PotsdamA Popkow - University of California, Los AngelesE Pueschel - University College DublinJ Quinn - University College DublinK Ragan - McGill UniversityP. T Reynolds - Cork Institute of TechnologyG. T Richards - Georgia Institute of TechnologyE Roache - Harvard UniversityA. C Rovero - University of Buenos AiresC Rulten - University of MinnesotaI Sadeh - Deutsches Elektronen-SynchrotronM Santander - Columbia UniversityG. H Sembroski - Purdue University West LafayetteK Shahinyan - University of MinnesotaI Telezhinsky - University of PotsdamJ. V Tucci - Purdue University West LafayetteJ Tyler - McGill UniversityS. P Wakely - University of ChicagoA Weinstein - Iowa State UniversityP Wilcox - University of IowaA Wilhelm - University of PotsdamD. A Williams - Santa Cruz Institute for Particle PhysicsB Zitzer - Argonne National LaboratoryS Razzaque - University of JohannesburgM Villata - National Institute for AstrophysicsC. M Raiteri - National Institute for AstrophysicsH. D Aller - University of Michigan–Ann ArborM. F Aller - University of Michigan–Ann ArborV. M Larionov - St Petersburg UniversityA. A Arkharov - Pulkovo ObservatoryD. A Blinov - Foundation for Research and Technology HellasN. V Efimova - Pulkovo ObservatoryT. S Grishina - St Petersburg UniversityV. A Hagen-Thorn - St Petersburg UniversityE. N Kopatskaya - St Petersburg UniversityL. V Larionova - St Petersburg UniversityE. G Larionova - St Petersburg UniversityD. A Morozova - St Petersburg UniversityI. S Troitsky - St Petersburg UniversityR Ligustri - Circolo Astrofili Talmassons, Campoformido, ItalyP Calcidese - Osservatorio Astrofisico della Regione Autonoma Valle d'Aosta, ItalyA Berdyugin - University of TurkuO. M Kurtanidze - Kazan Federal UniversityM. G Nikolashvili - Abastumani Observatory, Abastumani, GeorgiaG. N Kimeridze - Abastumani Observatory, Abastumani, GeorgiaL. A Sigua - Abastumani Observatory, Abastumani, GeorgiaS. O Kurtanidze - Abastumani Observatory, Abastumani, GeorgiaR. A Chigladze - Abastumani Observatory, Abastumani, GeorgiaW. P Chen - National Central UniversityE Koptelova - National Central UniversityT Sakamoto - Aoyama Gakuin UniversityA. C Sadun - University of Colorado DenverJ. W Moody - Brigham Young UniversityC Pace - Brigham Young UniversityR PearsonIII - Department of Physics and Astronomy, Brigham Young University, Provo, Utah, USAY Yatsu - Tokyo Institute of TechnologyY Mori - Tokyo Institute of TechnologyA Carraminyana - National Institute of Astrophysics, Optics and ElectronicsL Carrasco - National Institute of Astrophysics, Optics and ElectronicsE de la Fuente - University of GuadalajaraJ. P Norris - University of DenverP. S Smith - University of ArizonaA Wehrle - Space Science InstituteM. A Gurwell - Harvard UniversityAlma Zook - Pomona CollegeC Pagani - University of LeicesterM Perri - Instituto Politécnico NacionalM Capalbi - Instituto Politécnico NacionalA Cesarini - University of TrentoH. A Krimm - Goddard Space Flight CenterY. Y Kovalev - P.N. Lebedev Physical Institute of the Russian Academy of SciencesYu. A Kovalev - Astro Space Center of Lebedev Physical Institute, Moscow, RussiaE Ros - University of ValenciaA. B Pushkarev - P.N. Lebedev Physical Institute of the Russian Academy of SciencesM. L Lister - Purdue University West LafayetteK. V Sokolovsky - Lomonosov Moscow State UniversityM Kadler - University of WürzburgG Piner - Whittier CollegeA Lähteenmäki - Aalto UniversityM Tornikoski - Aalto UniversityE Angelakis - Max Planck SocietyT. P Krichbaum - Max Planck SocietyI Nestoras - Max Planck SocietyL Fuhrmann - Max Planck SocietyJ. A Zensus - Max Planck SocietyP Cassaro - National Institute for AstrophysicsA Orlati - National Institute for AstrophysicsG Maccaferri - National Institute for AstrophysicsP Leto - National Institute for AstrophysicsM Giroletti - INAF Istituto di Radioastronomia, Stazione Radioastronomica di Medicina, Medicina Bologna, ItalyJ. L Richards - Purdue University West LafayetteW Max-Moerbeck - Max Planck SocietyA. C. S Readhead - California Institute of TechnologyVERITAS Collaboration
- Publication Details
- Astronomy and Astrophysics, v 603, pA31
- Publisher
- EDP Sciences
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000406619100031
- Scopus ID
- 2-s2.0-85021894732
- Other Identifier
- 991019201487604721
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- Astronomy & Astrophysics