show any evidence for periodicity. Thus, no frequency is preferred in the power spectrum. The ULTRASPEC light curve is smooth and follows a pure power law within the statistical fluctuations.\

[ l | c l c c r]{}

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Line \[$\lambda_{\textrm{vac}}$\] & Observed wavelength & & Observed EW & Notes\

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(Å) & (Å) & & (Å) &\

\
\
\
$\lambda1302$ & 4740.6 & 2.6405 & $4.52\pm0.42$ &\
$\lambda1304$ & 4747.7 & 2.6398 & $4.81\pm0.41$ & $\lambda1304$ contribution\
$\lambda1334$ & 4858.4 & 2.6406 & $9.71\pm0.47$ &\
$\lambda1335$ & 4864.1 & 2.6416 & $1.93\pm0.22$ &\
$\lambda1393$ & 4890.5 & 2.5088$^a$ & $0.93\pm0.33$ & $\lambda1402$ not detected\
$\lambda1393$ & 5073.8 & 2.6403 & $5.52\pm0.28$ &\
$\lambda1402$ & 5106.7 & 2.6404 & $4.52\pm0.27$ &\
$\lambda1548$ & 5431.8 & 2.5085$^a$ & $2.44\pm0.21$ &\
$\lambda1550$ & 5440.8 & 2.5084$^a$ & $1.93\pm0.23$ &\
\*[ $\lambda1526$]{} &5556.7 & \*2.6396 & \*[$5.53\pm0.34$]{} & \*[Two velocity components]{}\
& 5558.7 & 2.6416 & &\
$\lambda1548$ & 5636.0 & 2.6403 & $9.56\pm0.30$ &\
$\lambda1550$ & 5644.9 & 2.6400 & $7.75\pm0.27$ &\
\*[ $\lambda1608$]{} & 5854.4 & \*2.6396 & \*[$3.54\pm0.38$]{} & \*[Two velocity components]{}\
& 5857.8 & 2.6416 & &\
\
\
\
\*[ $\lambda1670$]{} & 6081.0 & \*2.6396 & \*[$6.08\pm0.45$]{} 