\documentstyle[12pt]{article} \textwidth 17cm \textheight 25cm %\oddsidemargin -25pt \evensidemargin -100pt \setlength\topmargin{-2.5cm} \begin{document} \hoffset -1.5truecm \baselineskip=24 pt \pagestyle{empty} \begin{center} \bigskip \bigskip {\bf Table 2: Optical properties of X--ray detected Praesepe candidates} \bigskip \footnotesize \begin{tabular}{llllllllll} \hline & & & & & & & & & \\ X-ray N&Opt. ID &$\alpha$ (J2000)& $\delta$ (J2000)& V&$B - V$&$V - I$&p&Sp.¬es \\ & & & & & & & & & \\ \hline & & & & & & & & & \\ 1 &KW 16 & 8~37~02.10 & +19~36~16.7 & 9.25&0.47& -- &99&F6 &vsini=35,40 km/s \\ 2 &KW 31 & 8~37~28.03 & +19~33~45.3 & 9.79&0.57& -- &98&F6 V &PhB \\ 3 &KW 34 & 8~37~28.22 & +19~09~44.2 & 9.50&0.43& -- &96&F6 & \\ 4 &KW 40 & 8~37~37.06 & +19~43~58.8 & 7.84&0.21& -- &99&Am &vsini=20,60 km/s \\ 5 &KW 55 & 8~37~50.04 & +19~53~29.0 &11.41&0.84& -- &98& & \\ 6 &KW 100 & 8~38~24.32 & +20~06~21.1 &10.55&0.58& -- &96&G1 V & \\ 7 &KW 142 & 8~39~02.89 & +19~43~28.9 & 9.31&0.49& -- &77&F7 V &SB2, vsini=20: \\ 8 &KW 181 & 8~39~25.05 & +19~27~33.6 &10.47&0.59& -- &99&G0 V &SB1 \\ 9 &KW 182 & 8~39~30.51 & +20~04~08.4 &10.32&0.68& -- &97&F8 V &PhB \\ 10 &KW 184 & 8~39~28.61 & +19~28~24.5 &11.68&0.90& -- &93& &SB2 \\ 11 &KW 212 & 8~39~50.76 & +19~32~27.2 & 6.59&0.96& -- &--&K0 III&vsini$<$45 km/s \\ 12 &KW 213 & 8~39~50.86 & +19~33~01.2 &11.84&0.77& -- &--& & \\ 13 &KW 217 & 8~39~52.42 & +19~18~45.1 &10.23&0.51& -- &99& & \\ 14 &KW 222 & 8~39~55.12 & +20~03~54.0 &10.11&0.49& -- &--&F4 V & \\ 15 &KW 224 & 8~39~56.54 & +19~33~10.9 & 7.32&0.19& -- &--&Am &SB2, vsini=60 km/s \\ 16 &KW 229 & 8~39~57.82 & +19~32~28.8 & 7.54&0.25& -- &--&Am &SB2, vsini=120 km/s\\ 17 &KW 236 & 8~39~59.85 & +19~33~59.3 &11.94&1.00& -- &--& & \\ 18 &KW 237 & 8~40~00.03 & +19~34~40.3 &12.88&0.99& -- &95& & \\ 19 &KW 238 & 8~40~00.71 & +19~48~22.7 &10.30&0.51& -- &98& &SB? \\ 20 &KW 239 & 8~40~01.34 & +20~08~07.6 & 9.67&0.44& -- &99&F6 V &vsini=30 km/s \\ 21 &KW 244 & 8~40~01.79 & +18~59~58.6 & 9.98&0.62& -- &99&G1 V &SB2 \\ 22 &KW 256 & 8~40~05.71 & +19~01~30.4 &12.62&1.00& -- &57& & \\ 23 &KW 263 & 8~40~09.71 & +19~37~17.1 &12.02&0.81& -- &99&K0 V & \\ 24 &KW 267 & 8~40~13.47 & +19~46~42.9 &13.19&1.11& -- &97& & \\ 25 &KW 275 & 8~40~17.69 & +19~47~15.7 & 9.96&0.58& -- &99&G1 V &PhB, vsini$<20$km/s\\ 26 &KW 282 & 8~40~22.36 & +20~06~23.4 &10.08&0.51& -- &--& & \\ 27 &KW 288 & 8~40~22.79 & +19~27~53.4 &10.69&0.59& -- &99&G0 V & \\ 28 &KW 292 & 8~40~26.80 & +20~10~55.2 & 8.18&0.30& -- &--&A9 V &SB2, vsini=160 km/s\\ 29 &KW 293 & 8~40~25.55 & +19~28~32.3 & 9.89&0.48& -- &99& & \\ 30 &KW 322 & 8~40~39.93 & +19~40~08.4 &10.87&0.68& -- &1 &G2 V &SB \\ 31 &KW 323 & 8~40~39.29 & +19~13~42.5 & 7.80&0.22& -- &99&A8 V &vsini=130 km/s \\ 32 &KW 325 & 8~40~41.98 & +19~13~25.3 &10.61&0.61& -- &98&G1 V &SB \\ 33 &KW 334 & 8~40~48.01 & +19~39~32.0 &11.02&0.71& -- &96&G5 V & \\ 34 &KW 367 & 8~41~09.64 & +19~51~17.8 &10.71&0.68& -- &98& &SB3 \\ 35 &KW 368 & 8~41~10.35 & +19~49~06.7 &11.52&0.72& -- &98& &SB1 \\ 36 &KW 370 & 8~41~10.75 & +19~49~45.7 & 9.04&0.36& -- &95&F3 V &vsini$<45$,140 km/s\\ 37 &KW 371 & 8~41~10.02 & +19~30~31.7 &10.21&0.50& -- &99&F8 V & \\ 38 &KW 392 & 8~41~25.85 & +19~56~35.9 &10.72&0.60& -- &98&G0 V & \\ 39 &KW 401 & 8~41~30.77 & +18~52~18.6 &12.97&1.00& -- &95& & \\ 40 &KW 417 & 8~41~43.75 & +19~57~42.9 &12.35&0.88& -- &98& & \\ 41 &KW 428 & 8~41~50.14 & +19~52~26.5 & 6.90&0.96& -- &--&K0 III&SB1, vsini$<45$km/s\\ 42 &KW 434 & 8~41~54.43 & +19~15~26.3 &11.41&0.73& -- &96&G5 V &SB1 \\ 43 &KW 458 & 8~42~20.19 & +20~02~10.9 & 9.71&0.55& -- &92& &vsini=20 km/s \\ 44 &KW 495 & 8~43~06.03 & +19~26~15.3 & 9.97&0.66& -- &99& &SB3 \\ 45 &KW 496 & 8~43~07.06 & +19~04~06.2 & 9.57&0.51& -- &98&F8 &SB2, vsini=30 km/s \\ 46 &KW 570 & 8~39~41.12 & +19~59~28.8 &15.29&1.49&1.80&98& & \\ 47 &JC 10 & 8~32~39.52 & +19~07~22.8 &12.34&0.66& -- &95& &phot. non member \\ 48 &JC 80 & 8~36~56.35 & +18~57~48.0 &14.97&1.59&2.00&49& & \\ 49 &JC 124 & 8~38~27.77 & +19~45~55.8 &15.87&1.58&2.07&97& & \\ 50 &JC 126 & 8~38~32.88 & +19~46~25.6 &16.26&1.47&2.20&80& & \\ & & & & & & & & & \\ \hline \end{tabular} \end{center} \newpage \bigskip \begin{center} \bigskip \bigskip {\bf Table 2: continued} \bigskip \footnotesize \begin{tabular}{llllllllll} \hline & & & & & & & & & \\ X-ray N&Opt. ID &$\alpha$ (J2000)& $\delta$ (J2000)& V&$B - V$&$V - I$&p&Sp.¬es \\ & & & & & & & & & \\ \hline & & & & & & & & & \\ 51 &JC 143 & 8~39~03.00 & +19~31~57.9 &16.92&1.57& -- &88& & \\ 52 &JC 151 & 8~39~11.02 & +18~10~33.4 &10.25&0.56& -- &58& & \\ 53 &JC 241 & 8~41~11.35 & +19~31~46.7 &16.57&1.44&2.53&90& & \\ 54 &JC 243 & 8~41~13.26 & +19~32~34.6 &14.09&1.42&1.66&97& & \\ 55 &JS 39 & 8~33~33.12 & +18~08~26.6 &16.25& -- &1.93&44& & \\ 56 &JS 236 & 8~38~30.71 & +18~07~18.7 &15.70& -- &2.30&79& & \\ 57 &JS 313 & 8~39~45.25 & +20~07~27.5 &17.49& -- &2.92&98& & \\ 58 &JS 344 & 8~40~10.84 & +18~58~56.2 &16.72& -- &2.43&92& & \\ 59 &JS 379 & 8~40~44.34 & +20~28~18.2 &13.93& -- &1.63&96& & \\ 60 &JS 384 & 8~40~46.94 & +20~28~29.1 &16.09& -- &2.34&89& & \\ 61 &JS 392 & 8~40~53.95 & +19~59~55.7 &16.77& -- &2.62&82& & \\ 62 &JS 430 & 8~41~24.54 & +20~07~49.0 &16.46& -- &2.41&91& & \\ 63 &JS 434 & 8~41~28.88 & +19~58~31.7 &16.80& -- &2.50&82& & \\ 64 &JS 506 & 8~42~52.27 & +19~51~46.1 &16.99& -- &2.49&54& & \\ 65 &JS 526 & 8~43~15.35 & +20~03~55.8 &13.58&1.15& - -&97& & \\ 66 &JS 689 & 8~36~14.36 & +19~25~30.5 &16.77& -- &2.60&{\it pos.}&& \\ 67 &JS 729 & 8~41~25.99 & +19~59~13.9 &18.23& -- &2.75&{\it pos.}&& \\ 68 &JS 733 & 8~41~36.67 & +20~34~05.3 &18.43& -- &2.69&{\it pos.}&& \\ & & & & & & & & & \\ \hline \end{tabular} \end{center} KW: Klein-Wassink (1927); JC: Jones \& Cudworth (1983); JS: Jones \& Stauffer (1991). \\ % \end{document}