   \alpha_{0} &=& 0.0 \,\,{\textrm{ for }} m_{0,inf}=0.00\le m   \le m_{0,sup}=0.0 {M_{\odot}}, \\    \alpha_{0} &=& 0.0 \,\,{\textrm{ for }} m_{0,inf}=0.0\le m   \le m_{0,sup}=0.0 {M_{\odot}}, \\    \alpha_{0} &=& 0.0 \,\,{\textrm{ for }} m_{0,inf}=0.0\