$10^{5}$        10        26.67                    2.4E+00             $10^{11}$       10        27.10                    8.3E-05
  $10^{5}$        30        137.09                   1.3E-01             $10^{11}$       30        151.36                   4.0E-04
  --------------- --------- ------------------------ ------------------- --------------- --------- ------------------------ -------------------

  : $\beta^{+}$-decay rates (in units of $sec^{-1}$) and ratio of $\beta^{+}$-decay to electron capture rates on $^{57}$Zn for different selected densities and temperatures in stellar matter. $\rho Y_{e}$ denotes the stellar density in units of $g/cm^{3}$ and T$_{9}$ represents the temperature in $10^{9}$ K.[]{data-label="tab1"}

Table \[tab1\] shows the calculated $\beta^{+}$-decay rates on $^{57}$Zn as a function of stellar temperature and density. In Table 1 the first column gives the stellar density in units of $gcm^{-3}$. The second column gives the value of temperature in units of $10^{9}
K$. The third column gives the value of the calculated $\beta^{+}$-decay rates in units of $sec^{-1}$ whereas the final column shows the ratio of the calculated $\beta^{+}$-decay rates to the electron capture rates for physical conditions given in first two columns. One should note that even though terrestrially $^{57}$Zn $\beta^{+}$-decays to $^{57}$Cu with a 100$\%$ ratio (no electron capture), we do calculate a finite ratio of $\beta^{+}$-decay to electron capture even at low temperature and density (see Table \[tab1\]). This is because we calculate only continuum electron capture and 