\begin{table}%t3 \par \caption{\label{tab3}The comparison between our results and those from previous papers.} %\centerline {\begin{tabular}{lllll} \hline \hline Object & $T_{02} [K]$ & $T_{04} [K]$ & $T_{06} [K]$ &Source\\ \hline HD~23~180 & &$48\pm37$ & &Sonnentrucker et~al. (2007)$^a$\\ &$20 \pm 7$ &$35\pm10$ &$56\pm11$&this work\\ HD~147~889&$52\pm22$ &$116\pm28$& &Sonnentrucker et~al. (2007)$^b$\\ &$40\pm 16$ &$60\pm 9$&$69 \pm 5$&Kazmierczak et~al. (2009)\\ HD~148~184& &$65$ & &van Dishoeck \& de Zeeuw (1984)\\ &$39\pm16$ &$57\pm12$ & &Sonnentrucker et~al. (2007)$^b$\\ &$40\pm 40$ &$62\pm 21$&$67\pm10$&Kazmierczak et~al. (2009)\\ HD~154~368& &$30$ & &van Dishoeck \& de Zeeuw (1984)\\ &$27\pm8$ &$38\pm5$ & &Sonnentrucker et~al. (2007)$^b$\\ &$24 \pm 11$ &$38\pm10$ &$52\pm 6$&this work\\ HD~169~454&$11\pm3$ & & &Gredel \& Munch (1986)\\ &$15^{+10}_{-5}$& & &van Dishoeck \& Black (1989)\\ % &$25$ & & &Gredel (1999)\\ ?jest jaki Tkin,ale z 0-2 &$24\pm6$ &$37\pm5$ & &Sonnentrucker et~al. (2007)$^c$\\ &$21\pm 5$ &$29\pm 3$&$40\pm 3$&Kazmierczak et~al. (2009)\\ HD~179~406& &$57\pm11$ & &Sonnentrucker et~al. (2007)$^d$\\ &$21\pm 13$ &$51\pm 13$&$54\pm 7$&Kazmierczak et~al. (2009)\\ HD~204~827&$35\pm 7$ &$51 \pm 3$& &Sonnentrucker et~al. (2007)\\ &$34 \pm 34$ & $42\pm 2$&$45\pm 2$&this work\\ \hline \end{tabular} } \par \smallskip {$^a$, $^b$, $^c$, $^d$ Calculated by Sonnentrucker et al (2007) using} {the {\it EW}s of Hobbs (1981), van Dishoeck \& de Zeeuw (1984),} {Gredel (1999) and Federman et~al. (1994) respectively.} \end{table}