A Characterization of the Diffuse Galactic Emissions in the Anticenter of the Galaxy

Table 3

Spectral index of the free-free emission at the WMAP frequencies assuming an electronic temperature of 𝑇_𝑒=8000 K.

Central frequency (GHz)	23	33	41	61	94
𝛽ff	−2.090	−2.093	−2.095	−2.099	−2.103