\hsize=25truecm \centerline {\bf Table1. Polarimetric data for Herbig Ae/Be stars} \vskip.6cm \hrule\vskip.2cm \settabs \+ {SN00} &{BD+61$^\circ$.15400} &{Sep 72-May 730000} &{1.22$\pm$0.220000} &{108$\pm$450000} &{1.93$\pm$0.220000} &{125$\pm$120000} &{1.68$\pm$0.120000} &{126$\pm$20000} &{1.49 $\pm$0.090000} &{131 $\pm$ 20000} &{1.17 $\pm$ 0.160000} &{129 $\pm$ 40000} &{Ref}\cr \+ & & & \ \ \ \ \ \ \ \ \ \ \ \ \ \ U & & \ \ \ \ \ \ \ \ \ \ \ \ \ \ B & & \ \ \ \ \ \ \ \ \ \ \ \ \ \ V & & \ \ \ \ \ \ \ \ \ \ \ \ \ \ R & & \ \ \ \ \ \ \ \ \ \ \ \ \ \ I & & Ref \cr \vskip.2cm \+ SN &Object &Date &p$\pm \epsilon_p(\%)$ &$\theta \pm \epsilon_\theta(^\circ)$ &p$\pm \epsilon_p(\%)$ &$\theta \pm \epsilon_\theta(^\circ)$ &p$\pm \epsilon_p(\%)$ &$\theta \pm \epsilon_\theta (^\circ)$ &p$\pm \epsilon_p(\%)$ &$\theta \pm \epsilon_\theta (^\circ)$ &p$\pm \epsilon_p(\%)$ &$\theta \pm \epsilon_\theta (^\circ)$ & \cr \vskip.2cm\hrule\vskip.6cm \+1. &BD + 61$^o$.154 & 07 Dec 91 &- &- &- &- &0.92 $\pm$ 0.44 &98 $\pm$ 14 &1.28 $\pm$ 0.21 &95 $\pm$ 5 &- &- &1 \cr \vskip.2cm \+ & &{\bf24 Jan 76} &{\bf 1.22 $\pm$ 0.22} &{\bf 108 $\pm$ 5} &{\bf 1.93 $\pm$ 0.22} & {\bf 94 $\pm$ 3} &{\bf 2.02 $\pm$ 0.22} & {\bf 100 $\pm$ 4} & {\bf 1.71 $\pm$ 0.23} & {\bf 91 $\pm$ 6} & & &{\bf 2} \cr \vskip.2cm \+ & & {\bf Oct 73} &{\bf 1.28 $\pm$ 0.12} & {\bf 88 $\pm$ 3} & {\bf1.60 $\pm$ 0.05} &{\bf 89 $\pm$ 1} & {\bf 1.66 $\pm$ 0.06} & {\bf 91 $\pm$ 1} & {\bf 1.67 $\pm$ 0.18} & {\bf 92 $\pm$ 3} & {\bf 1.63 $\pm$ 0.14} &{\bf 94 $\pm$ 3} & {\bf 5}\cr \vskip.2cm \+ & & {\bf Aug 75} &- &- & {\bf1.78 $\pm$ 0.06} &{\bf 111 $\pm$ 1} & {\bf 2.14 $\pm$ 0.08} & {\bf 113 $\pm$ 1} & {\bf 2.03 $\pm$ 0.06} & {\bf 98 $\pm$ 1} & {\bf 1.71 $\pm$ 0.07} &{\bf 95 $\pm$ 1} & {\bf 5}\cr \vskip.8cm \+2. &XY Per & 26 Jan 92 &- &- &- &- &1.53 $\pm$ 0.21 &138 $\pm$ 4 &1.82 $\pm$ 0.11 &131 $\pm$ 2 &1.59 $\pm$ 0.22 &127 $\pm$ 4 &1 \cr \vskip.2cm \+ & & 29 Oct 92 &- &- &0.75 $\pm$ 0.32 &125 $\pm$ 12 &1.68 $\pm$ 0.12 &126 $\pm$ 2 &1.49 $\pm$ 0.09 &131 $\pm$ 2 &1.17 $\pm$ 0.16 &129 $\pm$ 4 &1 \cr \vskip.2cm \+ & & 31 Dec 92 &- &- &1.00 $\pm$ 0.36 &133 $\pm$ 10 &1.71 $\pm$ 0.13 &131 $\pm$ 2 &1.66 $\pm$ 0.11 &128 $\pm$ 2 &1.58 $\pm$ 0.19 &126 $\pm$ 4 &1 \cr \vskip.2cm \+ & & 01 Jan 93 &- &- &1.15 $\pm$ 0.38 &151 $\pm$ 10 &1.79 $\pm$ 0.15 &138 $\pm$ 3 &1.56 $\pm$ 0.13 &142 $\pm$ 2 &1.57 $\pm$ 0.19 &139 $\pm$ 4 &1 \cr \vskip.8cm \+3. &AB Aur & 07 Dec 91 &- &- &- &- &0.55 $\pm$ 0.09 &54 $\pm$ 6 &0.20 $\pm$ 0.07 &52 $\pm$ 25 &- &- &1 \cr \vskip.2cm \+ & & 27 Jan 92 &- &- &0.04 $\pm$ 0.06 &62 $\pm$ 52 &0.23 $\pm$ 0.05 &100 $\pm$ 6 &0.33 $\pm$ 0.04 &111 $\pm$ 3 &- &- &1 \cr \vskip.2cm \+ & & 29 Oct 92 &- &- &0.37 $\pm$ 0.09 &63 $\pm$ 7 &0.33 $\pm$ 0.05 &69 $\pm$ 4 &0.20 $\pm$ 0.07 &81 $\pm$ 10 &0.21 $\pm$ 0.09 &93 $\pm$ 12 &1 \cr \vskip.2cm \+ & & 31 Dec 92 &- &- &0.29 $\pm$ 0.09 &21 $\pm$ 9 &0.18 $\pm$ 0.06 &60 $\pm$ 9 &0.13 $\pm$ 0.06 &89 $\pm$ 13 &0.15 $\pm$ 0.09 &68 $\pm$ 18 &1 \cr \vskip.2cm \+ & & 01 Jan 93 & & &0.11 $\pm$ 0.09 &00 $\pm$ 22 &0.04 $\pm$ 0.06 &131 $\pm$ 52 &0.08 $\pm$ 0.06 &27 $\pm$ 23 &0.12 $\pm$ 0.10 &02 $\pm$ 22 &1 \cr \vskip.2cm \+ & & 26 Jan 93 &- &- &0.32 $\pm$ 0.10 &44 $\pm$ 9 &0.13 $\pm$ 0.06 &48 $\pm$ 14 &0.09 $\pm$ 0.06 &176 $\pm$ 21 &0.05 $\pm$ 0.12 &03 $\pm$ 52 &1 \cr \vskip.2cm \+ & & {\bf Sep 72 - May 73} & {\bf 0.41 $\pm$ 0.03} & {\bf 46 $\pm$ 2} &{\bf 0.37 $\pm$ 0.03} & {\bf 53 $\pm$ 2} & {\bf 0.56 $\pm$ 0.03} & {\bf 52 $\pm$ 2} &{\bf 0.74 $\pm$ 0.04} &{\bf 57 $\pm$ 2} &- &-&{\bf 4} \cr \vskip.2cm \+ & & {\bf 24 Jan 76} & {\bf 0.35 $\pm$ 0.12} & {\bf 141 $\pm$ 12} &- &- &- &- &- &- &- &- &{\bf 2} \cr \vskip.6cm \+4. &H K Ori & 29 Oct 92 &- &- &- &- &1.17 $\pm$ 1.78 &93 $\pm$ 52 &3.11 $\pm$ 0.66 &108 $\pm$ 6 &- &- &1 \cr \vskip.2cm \+ & &31 Dec 92 &- &- &- &- &0.91 $\pm$ 0.35 &171 $\pm$ 11 & 0.42 $\pm$ 0.25 &147 $\pm$ 17 &- &- &1 \cr \vskip.2cm \+ & & {\bf 24 Jan 76} &- &- & {\bf 1.36 $\pm$ 0.14} &{\bf 165 $\pm$ 3} & {\bf 1.31 $\pm$ 0.18} & {\bf 167 $\pm$ 6} & {\bf 0.89 $\pm$ 0.60} & {\bf 1 $\pm$ 9} &- &- & {\bf 2}\cr \vskip.2cm \+ & &{\bf Oct 73} &{\bf 1.08 $\pm$ 0.18} &{\bf 158 $\pm$ 5} & {\bf 0.97 $\pm$ 0.11} &{\bf 151 $\pm$ 3} &{\bf 1.01 $\pm$ 0.11} &{\bf 159 $\pm$ 3} &{\bf 0.55 $\pm$ 0.27} &{\bf 141 $\pm$ 12} &{\bf 0.69 $\pm$ 0.18} &{\bf 150 $\pm$ 8} &{\bf 5}\cr \vskip.6cm \vfill\eject \+5. &T Ori & 07 Dec 91 &- &- &- &- &1.64 $\pm$ 0.82 &38 $\pm$ 16 &0.41 $\pm$ 0.34 &163 $\pm$ 19 &- &- &1 \cr \vskip.2cm \+ & & 08 Dec 91 &- &- &- &- &0.77 $\pm$ 0.56 &89 $\pm$ 20 &0.53 $\pm$ 0.37 &38 $\pm$ 30 &- &- &1 \cr \vskip.2cm \+ & & 27 Jan 92 &- &- &- &- &- &- &3.96 $\pm$ 0.60 &29 $\pm$ 4 &- &-&1 \cr \vskip.2cm \+ & & 01 Jan 93 &- &- &- &- &0.56 $\pm$ 0.26 &00 $\pm$ 13 &0.53 $\pm$ 0.20 &131 $\pm$ 11 &- &- &1 \cr \vskip.2cm \+ & & {\bf 24 Jan 76} & & & {\bf 0.38 $\pm$ 0.21} &{\bf 34 $\pm$ 21} &{\bf 0.34 $\pm$ 0.16} &{\bf 77 $\pm$ 16} & {\bf 0.15 $\pm$ 0.20} & {\bf 77 $\pm$ 52}&- &- &{\bf 2}\cr \vskip.2cm \+ & & {\bf Oct 73} & & &{\bf 0.62 $\pm$ 0.14} &{\bf 61 $\pm$ 7} &{\bf 0.55 $\pm$ 0.28} &{\bf 51 $\pm$ 14} &{\bf 1.58 $\pm$ 0.40} &{\bf 76 $\pm$ 8} &{\bf 0.66 $\pm$ 0.20} &{\bf 77 $\pm$ 9} &{\bf 5}\cr \vskip.2cm \+ & &{\bf Mar 89} & & &{\bf 0.23 $\pm$ 0.17} &{\bf 30 $\pm$ 24} &{\bf 0.21 $\pm$ 0.06} &{\bf 68 $\pm$ 9} &{\bf 0.12 $\pm$ 0.05} &{\bf 75 $\pm$ 10} &{\bf 0.26 $\pm$ 0.09} &{\bf 25 $\pm$ 10} &{\bf 3}\cr \vskip.4cm \+6. &V380 Ori &08 Dec 91 &- &- &- &- &1.11 $\pm$ 0.51 &80 $\pm$ 20 &- &- &- &- &1\cr \vskip.2cm \+ & &30 Oct 92 &- &- &1.60 $\pm$ 1.18 &39 $\pm$ 21 &0.56 $\pm$ 0.40 &93 $\pm$ 20 &1.84 $\pm$0.60 &102 $\pm$ 9 &- &- &1\cr \vskip.2cm \+ &&01 Jan 93 &- &- &- &- &1.24 $\pm$ 0.34 &120 $\pm$ 8 &0.81 $\pm$ 0.20 &108 $\pm$ 7 &0.36 $\pm$ 0.38 &116 $\pm$ 52 &1\cr \vskip.6cm \+& &{\bf Oct 73} &{\bf 0.08 $\pm$ 0.16} &{\bf 151 $\pm$ 52} &{\bf 0.80 $\pm$ 0.06}&{\bf 89 $\pm$ 2}&{\bf 0.98 $\pm$ 0.06} &{\bf 86 $\pm$ 2} &{\bf 1.31 $\pm$ 0.14} &{\bf 74 $\pm$ 3} &{\bf 1.25 $\pm$ 0.18} &{\bf 85 $\pm$ 4} &{\bf 5}\cr \vskip.2cm \+ & &{\bf Feb 77}&{\bf 0.06 $\pm$ 0.09} &{\bf 147 $\pm$ 52} &{\bf 0.47 $\pm$ 0.06} &{\bf 116 $\pm$ 4} &{\bf 0.47 $\pm$ 0.06} &{\bf 106 $\pm$ 3}&-&-&-&-&{\bf 5}\cr \vskip.2cm \+ & &{\bf Jan 76} &{\bf 1.23 $\pm$ 0.37} &{\bf 122 $\pm$ 8} &{\bf 0.96 $\pm$ 0.13} &{\bf 95 $\pm$ 3} &{\bf 1.13 $\pm$ 0.10} &{\bf 94 $\pm$ 3} &{\bf 1.08 $\pm$ 0.15} &{\bf 104 $\pm$ 5} &- &- &{\bf 2}\cr \vskip.2cm \+ & &{\bf Mar 89} &{\bf 2.65 $\pm$ 1.53} &{\bf 139 $\pm$ 16} &{\bf 1.05 $\pm$ 0.32} &{\bf 112 $\pm$ 6} &{\bf 0.70 $\pm$ 0.10} &{\bf 110 $\pm$ 4} &{\bf 0.55 $\pm$ 0.06} &{\bf 111 $\pm$ 3} &{\bf 0.43 $\pm$ 0.12} &{\bf 115 $\pm$ 9}&{\bf 3}\cr \vskip.6cm \+7. &BF Ori &26 Jan 92 &- &- &- &- &0.20 $\pm$ 0.26 &18 $\pm$ 52 &0.41 $\pm$ 0.17 &45 $\pm$ 12 &- &- &1\cr \vskip.2cm \+ & &26 Jan 93 &- &- &- &- &0.89 $\pm$ 0.20 &70 $\pm$ 7 &1.17 $\pm$ 0.17 &78 $\pm$ 4 &0.07 $\pm$ 0.30 &135 $\pm$ 52 &1\cr \vskip.6cm \+8. &HD37490 &26 Jan 92 &- &- &- &- &0.21 $\pm$ 0.06 &53 $\pm$ 7 &-&-&-&-&1\cr \vskip.2cm \+ & &01 Jan 93 &0.24 $\pm$ 0.07 &20 $\pm$ 9 &0.30 $\pm$ 0.05 &53 $\pm$ 5 &0.08 $\pm$ 0.10 &69 $\pm$ 52 &0.19 $\pm$ 0.12 &133 $\pm$ 17 &0.33 $\pm$ 0.08 &38 $\pm$ 7 &1\cr \vskip.6cm \+9. &HD250550 &07 Dec 92&-&-&-&- &1.51 $\pm$ 0.30 &177 $\pm$ 6 &0.88 $\pm$ 0.22 &167 $\pm$ 7 &- &- &1\cr \vskip.2cm \+ & &31 Dec 92 &-&-&-&- &0.41 $\pm$ 0.17 &163 $\pm$ 12 &0.80 $\pm$ 0.13 &169 $\pm$ 5 &0.47 $\pm$ 0.21 &173 $\pm$ 13 &1\cr \vskip.6cm \+ & &{\bf 1972 - 73} &{\bf 0.85 $\pm$ 0.01} &{\bf 176 $\pm$ 1} &{\bf 0.71 $\pm$ 0.06} &{\bf 167 $\pm$ 2} &{\bf 0.97 $\pm$ 0.08} &{\bf 172 $\pm$ 2} &{\bf 0.43 $\pm$ 0.05} &{\bf 177 $\pm$ 3} &{\bf 0.97 $\pm$ 0.03} &{\bf 174 $\pm$ 1} &{\bf 4}\cr \vskip.2cm \+& &{\bf Jan 76} &{\bf 1.23 $\pm$ 0.33} &{\bf 163 $\pm$ 8} &{\bf 0.83 $\pm$ 0.04} &{\bf 3 $\pm$ 1} &{\bf 1.40 $\pm$ 0.05} &{\bf 19 $\pm$ 1} &{\bf 1.48 $\pm$ 0.90} &{\bf 4 $\pm$ 4}&-&- &{\bf 2}\cr \vskip.2cm \+ & &{\bf Mar 89} &{\bf 1.00 $\pm$ 0.48} &{\bf 110 $\pm$ 12} &{\bf 1.20 $\pm$ 0.11} &{\bf 171 $\pm$ 3} &{\bf 1.08 $\pm$ 0.06} &{\bf 168 $\pm$ 1} & {\bf 1.00 $\pm$ 0.05} &{\bf 169 $\pm$ 1} &{\bf 0.81 $\pm$ 0.10} &{\bf 175 $\pm$ 4} &{\bf 3}\cr \vskip.6cm \+10. &MWC 137 &26 Jan 92 &- &- &- &- &4.59 $\pm$ 1.56 &169 $\pm$ 10 &5.00 $\pm$ 0.70 &164 $\pm$ 14 &-&- &1\cr \vskip.2cm \+ & &26 Jan 93 &-&-&-&- &6.56 $\pm$ 0.65 &161 $\pm$ 3 &6.00 $\pm$ 0.22 &159 $\pm$ 1 &5.06 $\pm$ 0.38 &162 $\pm$ 2 &1\cr \vskip.6cm \vfill\eject \+11 &Lk H$\alpha$ 215 &26 Jan 92 &-&-&-&- &1.07 $\pm$ 0.34 &63 $\pm$ 9 &0.88 $\pm$ 0.20 & 79 $\pm$ 7 &-&- &1\cr \vskip.2cm \+ & &26 Jan 93 &-&-&-&- &1.28 $\pm$ 0.24 &74 $\pm$ 5 &1.06 $\pm$ 0.16 &86 $\pm$ 4 &1.08 $\pm$ 0.27 &97 $\pm$ 7 &1\cr \vskip.6cm \+ & &{\bf Oct 73} &{\bf 0.97 $\pm$ 0.13} &{\bf 62 $\pm$ 4} &{\bf 1.04 $\pm$ 0.03} &{\bf 68 $\pm$ 1} &{\bf 1.43 $\pm$ 0.07} &{\bf 77 $\pm$ 1} &{\bf 0.88 $\pm$ 0.37} &{\bf 37 $\pm$ 14} &{\bf 1.19 $\pm$ 0.13} &{\bf 80 $\pm$ 3} & {\bf 5}\cr \vskip.2cm \+ & &{\bf Jan 76} &{\bf 0.85 $\pm$ 0.22} &{\bf 56 $\pm$ 7} &{\bf 0.78 $\pm$ 0.12} &{\bf 73 $\pm$ 3} &{\bf 0.80 $\pm$ 0.10} &{\bf 88 $\pm$ 2} &{\bf 1.01 $\pm$ 0.13} &{\bf 77 $\pm$ 5} &- &- &{\bf 2}\cr \vskip.2cm \+ &&{\bf Mar 89} &- &- &{\bf 1.14 $\pm$ 0.27} &{\bf 81 $\pm$ 7} &{\bf 1.10 $\pm$ 0.08} &{\bf 73 $\pm$ 2} &{\bf 1.00 $\pm$ 0.06} &{\bf 80 $\pm$ 2}&{\bf 0.99 $\pm$ 0.10} &{\bf 72 $\pm$ 3}&{\bf 3}\cr \vskip.6cm \+12. &HD 259431 &07 Dec 91 &- &- &1.36 $\pm$ 0.34 &89 $\pm$ 7 &0.70 $\pm$ 0.23 &114 $\pm$ 8 &1.01 $\pm$ 0.13 &113 $\pm$ 3 &- &- &1\cr \vskip.2cm \+ & &29 Oct 92 &-&- &0.38 $\pm$ 0.22 &125 $\pm$ 16 &1.05 $\pm$ 0.11 &100 $\pm$ 3 &1.05 $\pm$ 0.08 &106 $\pm$ 2 &0.85 $\pm$ 0.15 &100 $\pm$ 5 &1\cr \vskip.2cm \+ & & 01 Jan 93 &- &- &0.69 $\pm$ 0.24 &100 $\pm$ 10 &1.05 $\pm$ 0.13 &115 $\pm$ 3 &0.89 $\pm$ 0.13 &114 $\pm$ 4 &1.03 $\pm$ 0.20 &102 $\pm$ 6 &1\cr \vskip.6cm \+ & &{\bf 1972-73} &{\bf 0.48 $\pm$ 0.06} &{\bf 101 $\pm$ 4} &{\bf 0.79 $\pm$ 0.24} &{\bf 100 $\pm$ 9} &{\bf 1.05 $\pm$ 0.14} &{\bf 99 $\pm$ 4} &{\bf 1.37 $\pm$ 0.18} &{\bf 90 $\pm$ 4} &{\bf 1.17 $\pm$ 0.06} &{\bf 103 $\pm$ 2} &{\bf 4}\cr \vskip.2cm \+ & &{\bf Jan 76} &{\bf 0.61 $\pm$ 0.25} &{\bf 146 $\pm$ 19} &{\bf 1.08 $\pm$ 0.03} &{\bf 106 $\pm$ 1} &{\bf 0.92 $\pm$ 0.05} &{\bf 115 $\pm$ 1} &{\bf 0.78 $\pm$ 0.06} &{\bf 104 $\pm$ 2} &-&-&{\bf 2}\cr \vskip.2cm \+ & &{\bf Mar 74}&-&-&-&-&-&- &{\bf 0.97 $\pm$ 0.21} &{\bf 108 $\pm$ 6} &{\bf 0.94 $\pm$ 0.12} &{\bf 105 $\pm$ 4} &{\bf 5}\cr \vskip.2cm \+ &&{\bf Mar 89} &-&-&{\bf 0.86 $\pm$ 0.08} &{\bf 106 $\pm$ 3} &{\bf 0.87 $\pm$ 0.05} &{\bf 106 $\pm$ 2} &{\bf 0.91 $\pm$ 0.04} &{\bf 106 $\pm$ 1} &{\bf 0.70 $\pm$ 0.06} &{\bf 105 $\pm$ 2} &{\bf 3}\cr \vskip.6cm \+13. &HD 52721 &07 Dec 91 &-&- &1.14 $\pm$ 0.13 &19 $\pm$ 3 &1.21 $\pm$ 0.10 &16 $\pm$ 3 &1.07 $\pm$ 0.08 &16 $\pm$ 2 &-&- &1\cr \vskip.2cm \+ & &08 Dec 91 &- &- &1.26 $\pm$ 0.12 &21 $\pm$ 3 &1.40 $\pm$ 0.10 &20 $\pm$ 2 &0.96 $\pm$ 0.08 &15 $\pm$ 2 &-&-&1\cr \vskip.2cm \+ & &01 Jan 93 &-&- &1.23 $\pm$ 0.15 &12 $\pm$ 4 &1.28 $\pm$ 0.11 &22 $\pm$ 2 &0.94 $\pm$ 0.09 &13 $\pm$ 3 &0.97 $\pm$ 0.14 &03 $\pm$ 4 &1\cr \vskip.6cm \+14. &Z CMa &08 Dec 91 &-&-&-&- &0.23 $\pm$ 0.83 &97 $\pm$ 52 &0.62 $\pm$ 0.59 &46 $\pm$ 27 &- &- &1\cr \vskip.2cm \+ & &26 Jan 93 &-&-&-&- &0.41 $\pm$ 0.78 &116 $\pm$ 52 &0.53 $\pm$ 0.50 &152 $\pm$ 27 &1.23 $\pm$ 1.21 &72 $\pm$ 28 &1\cr \vskip.2cm \+ & &{\bf Jan 76} &{\bf 1.09 $\pm$ 0.22} &{\bf 150 $\pm$ 6} &{\bf 0.18 $\pm$ 0.12} &{\bf 137 $\pm$ 19} &{\bf 0.14 $\pm$ 0.16} &{\bf 9 $\pm$ 52} &{\bf 0.70 $\pm$ 0.16} &{\bf 164 $\pm$ 5}&-&-&{\bf 2}\cr \vskip.2cm \+ & &{\bf Nov 72} &-&- &{\bf 0.87 $\pm$ 0.07} &{\bf 156 $\pm$ 2} &{\bf 0.90 $\pm$ 0.08} &{\bf 160 $\pm$ 3} &{\bf 0.86 $\pm$ 0.06} &{\bf 166 $\pm$ 2} &{\bf 1.29 $\pm$ 0.03}&{\bf 160 $\pm$ 1} &{\bf 4}\cr \vskip.2cm \+&&{\bf Mar 89} &-&- &{\bf 1.51 $\pm$ 0.34} &{\bf 155 $\pm$ 6} &{\bf 0.84 $\pm$ 0.08} &{\bf 156 $\pm$ 4} &{\bf 0.79 $\pm$ 0.04} &{\bf 155 $\pm$ 2} &{\bf 0.53 $\pm$ 0.06} &{\bf 155 $\pm$ 3} &{\bf 3}\cr \vskip.6cm \+ 15. & HD 53367 &07 Dec 91 &-&-&0.72 $\pm$ 0.17 &29 $\pm$ 9 & 0.46 $\pm$ 0.11 &38 $\pm$ 10 &0.33 $\pm$ 0.07 &44 $\pm$ 12 &-&-&1\cr \vskip.2cm \+ & &08 Dec 91 &-&- &0.43 $\pm$ 0.15 &30 $\pm$ 13 &0.40 $\pm$ 0.10 &22 $\pm$ 8 &0.16 $\pm$ 0.08 &36 $\pm$ 20 &-&- &1\cr \vskip.2cm \+ & &26 Jan 92 &-&-&0.70 $\pm$ 0.13 &19 $\pm$ 5 &0.34 $\pm$ 0.09 &28 $\pm$ 8 &0.14 $\pm$ 0.08 &106 $\pm$ 16 &0.06 $\pm$ 0.13 &61 $\pm$ 52 &1\cr \vskip.2cm \+ & &{\bf 1972-73} &{\bf 0.52 $\pm$ 0.04} &{\bf 34 $\pm$ 2} &{\bf 0.54 $\pm$ 0.04} &{\bf 32 $\pm$ 2} &{\bf 0.55 $\pm$ 0.04} &{\bf 36 $\pm$ 2} &{\bf 0.60 $\pm$ 0.06} &{\bf 56 $\pm$ 3} &-&- &{\bf 4}\cr \vskip.2cm \+ & &{\bf Jan 76} &{\bf 0.74 $\pm$ 0.09} &{\bf 19 $\pm$ 3} &-&-&-&-&-&-&-&-&{\bf 2}\cr \vfill\eject \+16. &HD 76534 &26 Jan 92 &-&-&-&- &0.48 $\pm$ 0.18 &122 $\pm$ 11 &1.26 $\pm$ 0.13 &130 $\pm$ 3 &0.31 $\pm$ 0.25 &147 $\pm$ 23 &1\cr \vskip.2cm \+ & &30 Mar 92 &-&- &1.24 $\pm$ 0.22 &137 $\pm$ 5 &0.83 $\pm$ 0.24 &128 $\pm$ 8 &0.26 $\pm$ 0.12 &123 $\pm$ 14 &-&-&1\cr \vskip.6cm \+17.&RCW 34 &26 Jan 93 &-&-&-&-&3.03 $\pm$ 0.37 &79 $\pm$ 4 &2.86 $\pm$ 0.27 &76 $\pm$ 3 &-&-&1\cr \vskip.6cm \+18. &RCW 36 &26 Jan 93 &-&-&-&-&2.97 $\pm$ 1.78 &133 $\pm$ 17 &0.84 $\pm$ 0.94 &165 $\pm$ 52 &-&-&1\cr \vskip.6cm \+ 19. &HR 5999 &27 Mar 92 &-&- &0.39 $\pm$ 0.51 &6 $\pm$ 52 &0.27 $\pm$ 0.21 &1 $\pm$ 22 &0.48 $\pm$ 0.09 &14 $\pm$ 6 &-&- &1\cr \vskip.6cm \+20. &HD 150193 &27 Mar 92 &-&-&5.32 $\pm$ 2.03 &44 $\pm$ 11 &4.61 $\pm$ 1.38 &43 $\pm$ 8 &4.52 $\pm$ 0.22 &57 $\pm$ 1 &3.39 $\pm$ 0.58 &52 $\pm$ 5 &1\cr \vskip.2cm \+ & &28 Apr 92 &-&-&4.23 $\pm$ 0.32 &61 $\pm$ 2 &4.89 $\pm$ 0.16 &63 $\pm$ 1 &4.75 $\pm$ 0.08 &60 $\pm$ 1 &4.23 $\pm$ 0.13 &59 $\pm$ 1 & 1\cr \vskip.2cm \+ & &30 Apr 92 &-&- &4.78 $\pm$ 1.19 &61 $\pm$ 7 &4.88 $\pm$ 0.18 &60 $\pm$ 1 &4.91 $\pm$ 0.10 &59 $\pm$ 1 &4.64 $\pm$ 0.15 &59 $\pm$ 1 & 1\cr \vskip.2cm \+ & &27 Feb 93 &-&-&-&-&5.12 $\pm$ 0.14 &57 $\pm$ 1 &-&-&-&-&1\cr \vskip.6cm \+21. &HD 163296 &28 Mar 92 &-&-&0.40 $\pm$ 0.38 &167 $\pm$ 27 &0.39 $\pm$ 0.17 &99 $\pm$ 13 &0.38 $\pm$ 0.12 &53 $\pm$ 9 &-&-&1\cr \vskip.2cm \+ &&27 Apr 93 &-&- &0.38 $\pm$ 0.15 &4 $\pm$ 11 &0.22 $\pm$ 0.08 &1 $\pm$ 10 &0.29 $\pm$ 0.07 &12 $\pm$ 7 &-&- &1\cr \vskip.6cm \+22. &MWC 297 &28 Apr 93 &-&-&-&-&2.23 $\pm$ 0.81 &95 $\pm$ 10 &1.74 $\pm$ 0.19 &99 $\pm$ 3 &1.99 $\pm$ 0.24 &98 $\pm$ 4 &1\cr \vskip.2cm \+ &&{\bf Oct 73}&-&-&{\bf 0.56 $\pm$ 0.21} &{\bf 111 $\pm$ 11} &{\bf 1.43 $\pm$ 0.06} &{\bf 95 $\pm$ 3} &{\bf 2.90 $\pm$ 0.36} &{\bf 96 $\pm$ 4} &{\bf 2.00 $\pm$ 0.10} &{\bf 99 $\pm$ 1} &{\bf 5}\cr \vskip.2cm \+ &&{\bf Aug 75} &-&- &{\bf 1.09 $\pm$ 0.14} &{\bf 93 $\pm$ 4} &{\bf 1.87 $\pm$ 0.07} &{\bf 98 $\pm$ 1} &{\bf 2.05 $\pm$ 0.04} &{\bf 97 $\pm$ 1} &{\bf 2.17 $\pm$ 0.04} & {\bf 99 $\pm$ 1}&{\bf 5}\cr \vskip.2cm \+ & &{\bf Jun 76} &-&-&{\bf 0.94 $\pm$ 0.52} &{\bf 125 $\pm$ 16} &{\bf 1.77 $\pm$ 0.80} &{\bf 95 $\pm$ 1} &{\bf 1.99 $\pm$ 0.07} &{\bf 97 $\pm$ 1} &{\bf 2.00 $\pm$ 0.05} &{\bf 96 $\pm$ 1} &{\bf 5}\cr \vskip.6cm \+23. &BD + 40$^\circ$4124 &30 Oct 92 &-&- &0.92 $\pm$ 0.58 &11 $\pm$ 18 &0.28 $\pm$ 0.20 &141 $\pm$ 21 &0.86 $\pm$ 0.15 &137 $\pm$15&-&-&1\cr \vskip.2cm \+ & &{\bf 1972-73} &{\bf 1.06 $\pm$ 0.22} &{\bf 15 $\pm$ 6} &{\bf 1.24 $\pm$ 0.01} &{\bf 14 $\pm$ 1} &{\bf 1.37 $\pm$ 0.20} &{\bf 17 $\pm$ 4} &{\bf 1.29 $\pm$ 0.11} &{\bf 42 $\pm$ 2}&-&-&{\bf 4}\cr \vskip.2cm \+ & &{\bf Jun 76} &-&-&{\bf 1.38 $\pm$ 0.09} &{\bf 21 $\pm$ 2} &{\bf 1.19 $\pm$ 0.06} &{\bf 10 $\pm$ 2} &{\bf 1.21 $\pm$ 0.06} &{\bf 12 $\pm$ 1} &{\bf 1.27 $\pm$ 0.08} &{\bf 9 $\pm$ 2} &{\bf 5}\cr \vskip.6cm \+24.&BD + 46$^\circ$ 3471 &30 Oct 92 &-&- &5.91 $\pm$ 2.57 &66 $\pm$ 12 &1.29 $\pm$ 0.59 &13 $\pm$ 13 &0.51 $\pm$ 0.41 &34 $\pm$ 23 &-&- &1\cr \vskip.2cm \+ &&{\bf 1972-73} &{\bf 1.21 $\pm$ 0.40} &{\bf 7 $\pm$ 9} &{\bf 1.53 $\pm$ 0.06} &{\bf 15 $\pm$ 1} &{\bf 1.56 $\pm$ 0.03} &{\bf 17 $\pm$ 1} &{\bf 1.48 $\pm$ 0.08} &{\bf 15 $\pm$ 2} &-&- &{\bf 4}\cr \vskip.2cm \+&&{\bf Jan 76} &{\bf 0.41 $\pm$ 0.23} &{\bf 55 $\pm$ 23} &{\bf 0.51 $\pm$ 0.10} &{\bf 61 $\pm$ 2} &{\bf 0.58 $\pm$ 0.11} &{\bf 74 $\pm$ 3} &{\bf 0.62 $\pm$ 0.14} &{\bf 47 $\pm$ 12} &-&-&{\bf 2}\cr \vskip.6cm \hrule \vskip.2cm \noindent {\bf References:} \vskip.2cm \item{1} Present work \item{2} Garrison \& Anderson 1978. \item{3.} Jain et al. 1990 \item{4.} Vrba, 1975 \item{5.}Vrba et al. 1979. \end