Long-term multiwavelength studies of high-redshift blazar 0836+710
Aims. The observation of γ-ray flares from blazar 0836+710 in 2011, following a period of quiescence, offered an opportunity to study correlated activity at different wavelengths for a high-redshift (z = 2.218) active galactic nucleus.Methods. Optical and radio monitoring, plus Fermi-LAT γ-ray monit...
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| Main Authors: | , , , , , , , , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
30 July 2013
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| In: |
Astronomy and astrophysics
Year: 2013, Volume: 556, Pages: 1-10 |
| ISSN: | 1432-0746 |
| DOI: | 10.1051/0004-6361/201321721 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1051/0004-6361/201321721 Verlag, lizenzpflichtig, Volltext: https://www.aanda.org/articles/aa/abs/2013/08/aa21721-13/aa21721-13.html 
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| Author Notes: | A. Akyuz, D.J. Thompson, D. Donato, J.S. Perkins, L. Fuhrmann, E. Angelakis, J.A. Zensus, S. Larsson, K. Sokolovsky, and O. Kurtanidze |
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| 245 | 1 | 0 | |a Long-term multiwavelength studies of high-redshift blazar 0836+710 |c A. Akyuz, D.J. Thompson, D. Donato, J.S. Perkins, L. Fuhrmann, E. Angelakis, J.A. Zensus, S. Larsson, K. Sokolovsky, and O. Kurtanidze |
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| 520 | |a Aims. The observation of γ-ray flares from blazar 0836+710 in 2011, following a period of quiescence, offered an opportunity to study correlated activity at different wavelengths for a high-redshift (z = 2.218) active galactic nucleus.Methods. Optical and radio monitoring, plus Fermi-LAT γ-ray monitoring provided 2008−2012 coverage, while Swift offered auxiliary optical, ultraviolet, and X-ray information. Other contemporaneous observations were used to construct a broad-band spectral energy distribution.Results. There is evidence of correlation but not a measurable lag between the optical and γ-ray flaring emission. In contrast, there is no clear correlation between radio and γ-ray activity, indicating radio emission regions that are unrelated to the parts of the jet that produce the γ rays. The γ-ray energy spectrum is unusual in showing a change of shape from a power law to a curved spectrum when going from the quiescent state to the active state. | ||
| 700 | 1 | |a Thompson, D. J. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Donato, D. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Perkins, J. S. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Fuhrmann, L. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Angelakis, E. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Zensus, J. A. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Larsson, S. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Sokolovsky, K. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Kurtanidze, Omar M. |e VerfasserIn |0 (DE-588)103557778X |0 (DE-627)748753982 |0 (DE-576)383333148 |4 aut | |
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