\begin{table}%t16 \caption{\label{table16}A comparison of differential rotation parameters~$A$$-$$C$ from Eq.~(1) for SBCS (Tables~\ref{table13} and~\ref{table15}) with other results. R~-- remark.} %\centering \par \begin{tabular}{llllllr} \hline \hline \noalign{\smallskip} Tracer/method & Time & $A \pm M_A$ & $B \pm M_B$ & $C \pm M_C$ & Source & R \\ \hline Coronal bright points & 1967 & 14.65 $\pm$ 0.2 & & & Dupree \& Henze (\cite{Dupr72}) & 1 \\ Coronal bright points & 1973 & 14.6 $\pm$ 0.3 & & & Golub et~al. (\cite{Golu74}) & 2 \\ Coronal bright points & 1992--2001 & 17.6 $\pm$ 0.4 & $-4.5 \pm 1.1$ & & Kariyappa (\cite{Kari08}) & 3 \\ Coronal bright points & 1994--1997 & 14.39 $\pm$ 0.01 & $-1.91 \pm 0.10$ & $-2.45 \pm 0.17$ & Hara (\cite{Hara09}) & 4 \\ Coronal bright points & 1996 & 14.34 $\pm$ 0.03 & $-1.3 \pm 0.3$ & $-2.3 \pm 0.5$ & Karachik et~al. (\cite{Kara06}) & 5 \\ Coronal bright points & 1998--1999 & 14.454 $\pm$ 0.027 & $-2.22 \pm 0.07$ & $-2.22 \pm 0.07$ & Braj\v sa et~al. (\cite{Braj04}) & 6 \\ Coronal bright points & 2005 & 16.0 $\pm$ 0.1 & $-0.7 \pm 1.3$ & $-4.9 \pm 1.9$ & Karachik et~al. (\cite{Kara06}) & 7 \\ Coronal bright points & 2007 & 14.19 $\pm$ 0.17 & $-4.2 \pm 0.8$ & & Kariyappa (\cite{Kari08}) & 8 \\ \hline SBCS & 1998--1999 & $14.62 \pm 0.03$ & $-3.36 \pm 0.09$ & & present work, Table~\ref{table15}, interactive method & 9 \\ SBCS & 1998--1999 & $14.54 \pm 0.04$ & $-2.31 \pm 0.30$ &$-1.53 \pm 0.41$ & present work, Table~\ref{table15}, interactive method & 10 \\ SBCS & 1998--1999 & $14.52 \pm 0.03$ & $-1.98 \pm 0.05$ &$-1.98 \pm 0.05$ & present work, Table~\ref{table15}, interactive method & 11 \\ SBCS & 1998--1999 & $14.53 \pm 0.02$ & $-2.98 \pm 0.08$ & & present work, Table~\ref{table15}, automatic method & 12 \\ SBCS & 1998--1999 & $14.49 \pm 0.03$ & $-2.53 \pm 0.22$ & $-0.73 \pm 0.33$ & present work, Table~\ref{table15}, automatic method & 13 \\ SBCS & 1998--1999 & $14.43 \pm 0.02$ & $-1.81 \pm 0.05$ & $-1.81 \pm 0.05$ & present work, Table~\ref{table15}, automatic method & 14 \\ SBCS & 1998--2006 & $14.529 \pm 0.005$ & $-3.03 \pm 0.02$ & & present work, Table~\ref{table13}, automatic method & 15 \\ SBCS & 1998--2006 & $14.499 \pm 0.006$ & $-2.54 \pm 0.06$ & $-0.77 \pm 0.09$ & present work, Table~\ref{table13}, automatic method & 16 \\ SBCS & 1998--2006 & $14.451 \pm 0.005$ & $-1.84 \pm 0.01$ & $-1.84 \pm 0.01$ & present work, Table~\ref{table13}, automatic method & 17 \\ \hline Sunspots & 1853--1996 & 14.531 $\pm$ 0.003 & $-2.75 \pm 0.05$ & & Pulkkinen \& Tuominen (\cite{Pulk98}) & 18 \\ Sunspots & 1874--1976 & 14.551 $\pm$ 0.006 & $-2.87 \pm 0.06$ & & Balthasar et~al. (\cite{Balt86}) & 19 \\ \par Sunspots & 1874--1976 & $14.528 \pm 0.006$ & $-2.77 \pm 0.05$ & & Ru\v zdjak et~al. (in~prep.) & 20 \\ Sunspots & 1874--2008 & $14.500 \pm 0.005$ & $-2.71 \pm 0.05$ & & Ru\v zdjak et~al. (in~prep.) & 21 \\ Sunspots & 1880--1976 & 14.37 $\pm$ 0.01 & $-2.59 \pm 0.16$ & & Braj\v sa et~al. (\cite{Braj02a}) & 22 \\ Sunspots & 1921--1982 & 14.522 $\pm$ 0.004 & $-2.84 \pm 0.04$ & & Howard et~al. (\cite{Howa84}) & 23 \\ Sunspots & 1921--1982 & 14.393 $\pm$ 0.010 & $-2.95 \pm 0.09$ & & Howard et~al. (\cite{Howa84}) & 24 \\ Sunspots & 1977--2008 & $14.43 \pm 0.01$ & $-2.51 \pm 0.09$ & & Ru\v zdjak et~al. (in~prep.) & 25 \\ \hline H$\alpha$ filaments & 1919--1929 & 14.48 & $-2.16$ & & d'Azambuja \& d'Azambuja (\cite{daza48}) & 26 \\ H$\alpha$ filaments & 1972--1973 & 14.45 & $-1.43$ & & Adams \& Tang (\cite{Adam77}) & 27 \\ H$\alpha$ filaments & 1972--1987 & 14.45 $\pm$ 0.15 & $-0.11 \pm 0.90$ & $-3.69 \pm 0.90$ & Braj\v sa et~al. (\cite{Braj91}) & 28 \\ \hline HTRs & 1979--1991 & 14.91 $\pm$ 0.10 & $-2.56 \pm 0.84$ & & Braj\v sa et~al. (\cite{Braj09}) & 29 \\ LTRs & 1979--1991 & 14.44 $\pm$ 0.06 & $-1.91 \pm 0.26$ & & Braj\v sa et~al. (\cite{Braj09}) & 30 \\ LTRs & 1979--1991 & 13.92 $\pm$ 0.06 & $-4.09 \pm 0.34$ & & Braj\v sa et~al. (\cite{Braj09}) & 31 \\ \hline Magnetic & 1967--1980 & 14.307 $\pm$ 0.005 & $-1.98 \pm 0.06$ & $-2.15 \pm 0.11$ & Snodgrass (\cite{Snod83}) & 32 \\ Magnetic & 1975--1991 & 14.42 $\pm$ 0.02 & $-2.00 \pm 0.13$ & $-2.09 \pm 0.15$ & Komm et~al. (\cite{Komm93}) & 33 \\ Magnetic & 1996--1997 & 14.50 $\pm$ 0.03 & $-1.72 \pm 0.22$ & $-2.31 \pm 0.30$ & Pevtsov \& Latushko (\cite{Pevt00}) & 34 \\ Magnetic & 1997 & 14.00 $\pm$ 0.54 & $-2.24 \pm 1.22$ & $-1.78 \pm 0.79$ & Deng et~al. (\cite{Deng99}) & 35 \\ \hline Doppler & 1966--1968 & 13.76 & $-1.74$ & $-2.19$ & Howard \& Harvey (\cite{Howa70}) & 36 \\ Doppler & 1967--1984 & 14.05 & $-1.49$ & $-2.61$ & Snodgrass (\cite{Snod84}) & 37 \\ Doppler & 1978 & 13.96 $\pm$ 0.10 & & & Perez Garde et~al. (\cite{Pere81}) & 38 \\ Doppler & 1981--1982 & 13.99 $\pm$ 0.06 & & & K\"uveler \& W\"ohl (\cite{Kuve83}) & 39 \\ Doppler & 1983--1986 & 13.92 $\pm$ 0.12 & & & Lustig \& W\"ohl (\cite{Lust89}) & 40 \\ \hline \end{tabular} \tablefoot {1. OSO-4, Mg X spectroheliograms; 2. Skylab, soft X-rays; 3.~Yohkoh/SXT; 4.~Yohkoh/SXT; 5.~SOHO-EIT, 19.5~nm; 6.~interactive method, with height correction, 6~months; 7.~SOHO-EIT, 19.5~nm; 8.~Hinode/XRT; 9.~8~months, $C=0$; 10.~8~months, $C\ne0$; 11.~8~months, $B=C$; 12.~8~months, $C=0$; 13.~8~months, $C\ne0$; 14.~8~months, $B=C$; 15.~93~months, $C=0$; 16.~93~months, $C\ne0$; 17.~93~months, $B=C$; 18.~Extended Greenwich, sunspots \& sunspot groups; 19.~Greenwich, sunspot groups; 20.~Greenwich, $CMD < 58$~deg, ($8 < \omega < 19$)~deg~day$^{-1}$; 21.~Greenwich \& SOON/USAF/NOAA, $CMD < 58$~deg, ($8 < \omega < 19$)~deg~day$^{-1}$; 22.~Greenwich, only stable recurrent sunspot groups; 23.~Mt.~Wilson, sunspots; 24.~Mt.~Wilson, sunspot groups; 25.~SOON/USAF/NOAA, $CMD < 58$~deg, ($8 < \omega < 19$)~deg~day$^{-1}$; 26.~Meudon; 27.~Big Bear, with height correction; 28.~Big Bear \& Kanzelh\"ohe, with height correction; 29.~High brightness temperature regions (HTRs), 8~mm, Mets\"ahovi, without height correction; 30.~Low brightness temperature regions (LTRs), 8~mm, Mets\"ahovi, without height correction; 31.~Low brightness temperature regions (LTRs), 8~mm, Mets\"ahovi, with height correction; 32.~Mt.~Wilson, photospheric magnetic fields; 33.~Kitt Peak, photospheric magnetic fields; 34.~SOHO-MDI, large-scale photospheric magnetic field; 35.~Huairou/Beijing, photospheric high-latitude magnetic fields; 36.~Mt.~Wilson, photosphere, spectroscopic; 37.~Mt.~Wilson, photosphere, spectroscopic; 38.~Locarno, photosphere, spectroscopic; 39.~Locarno, photosphere, spectroscopic; 40.~Capri, photosphere, spectroscopic.} \vspace*{2.9mm} \end{table}