@conference {21697, title = {High-Energy Neutrinos from Blazar Flares and Implications of TXS 0506+056}, volume = {210}, year = {2019}, month = {2019/10/1}, pages = {03006}, abstract = {Motivated by the observation of a \> 290 TeV muon neutrino by IceCube, coincident with a 6 month-long γ-ray flare of the blazar TXS 0506+056, and an archival search which revealed 13 {\textpm} 5 further, lower-energy neutrinos in the direction of the source in 2014-2015 we discuss the likely contribution of blazars to the diffuse high-energy neutrino intensity, the implications for neutrino emission from TXS 0506+056 based on multi-wavelength observations of the source, and a multi-zone model that allows for sufficient neutrino emission so as to reconcile the multi-wavelength cascade constraints with the neutrino emission seen by IceCube in the direction of TXS 0506+056.}, keywords = {Astrophysics - High Energy Astrophysical Phenomena}, url = {https://ui.adsabs.harvard.edu/abs/2019EPJWC.21003006O}, author = {Oikonomou, Foteini and Murase, Kohta and Petropoulou, Maria} }