Variability of the blazar 4C 38.41 (B3 1633+382) from GHz frequencies to GeV energies
C. M. RaiteriINAF, Osservatorio Astronomico di Torino, ItalyM. VillataINAF, Osservatorio Astronomico di Torino, ItalyPaul S. SmithSteward Observatory, University of Arizona, Tucson, AZ, USAV. M. LarionovAstron. Inst., St.-Petersburg State Univ., RussiaJ. A. Acosta‐PulidoDepartamento de Astrofisica, Universidad de La Laguna, La Laguna, Tenerife, SpainM. F. AllerDepartment of Astronomy, University of Michigan, MI, USAF. D’AmmandoDip. di Fisica, Università degli Studi di Perugia, Perugia, ItalyMark GurwellHarvard-Smithsonian Center for Astrophysics, Cambridge, MA, USAS. G. JorstadAstron. Inst., St.-Petersburg State Univ., RussiaM. JoshiInstitute for Astrophysical Research, Boston University, MA, USAO. M. KurtanidzeAbastumani Observatory, Mt. Kanobili, Abastumani, GeorgiaA. LähteenmäkiAalto University Metsähovi Radio Observatory, Kylmälä, FinlandD. O. MirzaqulovMaidanak Observatory of the Ulugh Beg Astronomical Institute, UzbekistanI. AgudoInstituto de Astrofísica de Andalucía, CSIC, Granada, SpainH. D. AllerDepartment of Astronomy, University of Michigan, MI, USAM. J. ArévaloInstituto de Astrofisica de Canarias (IAC), La Laguna, Tenerife, SpainA. A. ArkharovPulkovo Observatory, St.-Petersburg, RussiaU. BachMax-Planck-Institut für Radioastronomie, Bonn, GermanyE. BenítezInstituto de Astronomía, Universidad Nacional Autónoma de México, México DF, MéxicoA. BerdyuginTuorla Observatory, Dept. of Physics and Astronomy, Univ. of Turku, Piikkiö, FinlandD. BlinovAstron. Inst., St.-Petersburg State Univ., RussiaKelly BlumenthalInstitute for Astrophysical Research, Boston University, MA, USAC. S. BuemiINAF, Osservatorio Astrofisico di Catania, ItalyA. BuenoInstituto de Astrofisica de Canarias (IAC), La Laguna, Tenerife, SpainTimothy CarletonSteward Observatory, University of Arizona, Tucson, AZ, USAM. I. CarnereroINAF, Osservatorio Astronomico di Torino, ItalyD. CarosatiEPT Observatories, Tijarafe, La Palma, SpainC. CasadioInstituto de Astrofísica de Andalucía, CSIC, Granada, SpainWen-Ping ChenGraduate Inst. of Astronomy, National Central Univ., Jhongli, TaiwanA. Di PaolaINAF, Osservatorio Astronomico di Roma, ItalyM. DolciINAF, Osservatorio Astronomico di Collurania Teramo, ItalyН. В. ЕфимоваAstron. Inst., St.-Petersburg State Univ., RussiaSh. A. EhgamberdievMaidanak Observatory of the Ulugh Beg Astronomical Institute, UzbekistanJosé L. GómezInstituto de Astrofísica de Andalucía, CSIC, Granada, SpainAlicia GonzalezDepartamento de Astrofisica, Universidad de La Laguna, La Laguna, Tenerife, SpainV. A. Hagen‐ThornAstron. Inst., St.-Petersburg State Univ., RussiaJ. HeidtD. HiriartInstituto de Astronoma, Universidad Nacional Autónoma de México, Ensenada, MéxicoSh. HolikovMaidanak Observatory of the Ulugh Beg Astronomical Institute, UzbekistanT. S. KonstantinovaAstron. Inst., St.-Petersburg State Univ., RussiaE. N. KopatskayaAstron. Inst., St.-Petersburg State Univ., RussiaE. KoptelovaGraduate Inst. of Astronomy, National Central Univ., Jhongli, TaiwanS. O. KurtanidzeAbastumani Observatory, Mt. Kanobili, Abastumani, GeorgiaЕ. Г. ЛарионоваAstron. Inst., St.-Petersburg State Univ., RussiaL. V. LarionovaAstron. Inst., St.-Petersburg State Univ., RussiaJ. León-TavaresAalto University Metsähovi Radio Observatory, Kylmälä, FinlandP. LetoINAF, Osservatorio Astrofisico di Catania, ItalyH. C. LinGraduate Inst. of Astronomy, National Central Univ., Jhongli, TaiwanE. LindforsTuorla Observatory, Dept. of Physics and Astronomy, Univ. of Turku, Piikkiö, FinlandAlan P. MarscherInstitute for Astrophysical Research, Boston University, MA, USAI. M. McHardyDept. of Physics and Astronomy, Univ. of Southampton, Southampton, UKS. N. MolinaInstituto de Astrofísica de Andalucía, CSIC, Granada, SpainD. A. MorozovaAstron. Inst., St.-Petersburg State Univ., RussiaR. MújicaInstituto Nacional de Astrofisica, Óptica y Electrónica, Puebla, MéxicoM. G. NikolashviliAbastumani Observatory, Mt. Kanobili, Abastumani, GeorgiaK. NilssonTurku Centre for Computer ScienceE. OvcharovNeelam PanwarGraduate Inst. of Astronomy, National Central Univ., Jhongli, TaiwanM. PasanenTuorla Observatory, Dept. of Physics and Astronomy, Univ. of Turku, Piikkiö, FinlandI. Puerto-GiménezInstituto de Astrofisica de Canarias (IAC), La Laguna, Tenerife, SpainR. ReinthalTuorla Observatory, Dept. of Physics and Astronomy, Univ. of Turku, Piikkiö, FinlandG. M. RichterAstrophysikalisches Institut Potsdam, An der Sternwarte 16, Potsdam, GermanyJ. AgramuntT. SakamotoDept. of Physics, Univ. of Maryland, Baltimore County, Baltimore, MD, USARichard D. SchwartzA. SillanpääTuorla Observatory, Dept. of Physics and Astronomy, Univ. of Turku, Piikkiö, FinlandN. SmithCork Institute of Technology, Cork, IrelandL. O. TakaloTuorla Observatory, Dept. of Physics and Astronomy, Univ. of Turku, Piikkiö, FinlandJ. TammiAalto University Metsähovi Radio Observatory, Kylmälä, FinlandBrian TaylorInstitute for Astrophysical Research, Boston University, MA, USAC. ThumInstitut de Radio Astronomie Millimétrique, St. Martin d’Hères, FranceM. TornikoskiAalto University Metsähovi Radio Observatory, Kylmälä, FinlandC. TrigilioINAF, Osservatorio Astrofisico di Catania, ItalyI. S. TroitskyAstron. Inst., St.-Petersburg State Univ., RussiaG. UmanaINAF, Osservatorio Astrofisico di Catania, ItalyA. ValchevaA. E. WehrleSpace Science Institute, Boulder, CO, USA
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Context. After years of modest optical activity, the quasar-type blazar 4C 38.41 (B3 1633+382) experienced a large outburst in 2011, which was detected throughout the entire electromagnetic spectrum, renewing interest in this source.
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