The RATAN-600 2-22 GHz continuum spectrum of the neutrino association quasar TXS 1100+122 is slightly rising

In ATel 13397 we argued that the quasar TXS 1100+122 is a highly probable neutrino association for the IceCube-200109A event due to its compact and bright core at parsec scales (8 GHz VLBI image) following conclusions by Plavin et al. (arXiv:2001.00930).