QUIJOTE scientific results XIX. New constraints on the synchrotron spectral index using a semi-blind component separation method

Debabrata Adak, J. A. Rubiño-Martín, R. T. Génova-Santos +13

We introduce a novel approach to estimate the spectral index, ${\hat{I}}_s^2$, of polarised synchrotron emission, combining the moment expansion of CMB and the constrained-ILC. We reconstru…