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Investigating broadband variability of the tev blazar 1es 1959+650
(IOP Publishing, 2014-12-03)
We summarize broadband observations of the TeV-emitting blazar 1ES 1959+650, including optical R-band observations by the robotic telescopes Super-LOTIS and iTelescope, UV observations by Swift Ultraviolet and Optical ...
Multiwavelength observations of mrk 501 in 2008
(EDP Sciences, 2014-12-17)
Context. Blazars are variable sources on various timescales over a broad energy range spanning from radio to very high energy (>100 GeV, hereafter VHE). Mrk 501 is one of the brightest blazars at TeV energies and ...
The most powerful flaring activity from the nlsy1 pmn j0948+0022
(Oxford University Press (OUP), 2014-11-27)
We report on multifrequency observations performed during 2012 December-2013 August of the first narrow-line Seyfert 1 galaxy detected in gamma-rays, PMN J0948+0022 (z = 0.5846). A y -ray flare was observed by the Large ...