All Tables

Table 1: Observational log of spectroscopic data, including the UT of mid-exposure and the signal-to-noise ratio (S/N) at the continuum level for each spectrum.
Table 2: Weighted mean linear polarization parameters of HD 31648. N is the number of individual measurements in each data point, $\sigma _{\rm p}$ and $\sigma _{\theta }$ are the estimated errors of the weighted mean values of the polarization degree and of the position angle, respectively.
Table 2: Weighted mean linear polarization parameters of HD 31648 (continued).
Table 3: UBVRI photometry of HD 31648. The Julian dates are given with the offset of 2 400 000.