Table 3: X-ray properties of known Taurus-Auriga members and of other stars detected in our observation. For the last three members we give the position of the nearest X-ray source, even if its distance is greater than 4 $^{\prime \prime }$.

Name		 Sp.T. RA$_{\rm X}$ Dec$_{\rm X}$ $\Delta r^{~a}$ Offset b Sign. c Count rate Notes
    (2000) (2000) ( $\hbox{$^{\prime\prime}$ }$) ( $\hbox{$^{\prime\prime}$ }$)   (cts/ks)  

known Taurus-Auriga members
AB Aur B9 $4\;55\;45.83$ $+30\;33\;04.2$ 0.97 0.13 90.7 12.65 $\pm$ 0.36 HAeBe
SU Aur G2III $4\;55\;59.32$ $+30\;34\;01.6$ 0.71 0.82 438.1 232.57 $\pm$ 1.44 CTTS
HBC 427 K7 $4\;56\;01.97$ $+30\;21\;03.8$ 0.87 0.57 266.9 269.14 $\pm$ 2.71 WTTS
2MASS J04554801+3028050 M5.6 $4\;55\;47.77$ $+30\;28\;03.1$ 3.00 3.68 29.2 3.96 $\pm$ 0.27  
2MASS J04554757+3028077 M4.75 '' '' '' 5.29 '' ''  
2MASS J04552333+3027366 M6.25 $4\;55\;22.98$ $+30\;27\;39.7$ 4.08 5.53 6.5 0.76 $\pm$ 0.18  
2MASS J04554046+3039057 M5.25 $4\;55\;40.27$ $+30\;39\;09.9$ 3.52 4.86 5.7 0.45 $\pm$ 0.15 d

other identifications
JH 431   $4\;55\;22.71$ $+30\;38\;07.9$ 2.45 0.97 44.0 8.64 $\pm$ 0.40  
JH 428   $4\;55\;31.77$ $+30\;30\;01.0$ 2.12 0.67 29.1 3.51 $\pm$ 0.24  
JH 433   $4\;55\;56.02$ $+30\;36\;21.3$ 1.97 0.61 36.7 3.02 $\pm$ 0.17 e
HD 31305 A0 $4\;55\;48.18$ $+30\;20\;16.0$ 1.12 0.86 136.3 90.26 $\pm$ 1.68 IR excess
RXJ 0456.5+3023 M3 $4\;56\;32.05$ $+30\;23\;25.3$ 2.83 1.12 32.1 15.02 $\pm$ 0.90 no Li
GY Aur A8+G5IV $4\;56\;48.56$ $+30\;35\;36.4$ 2.06 0.33 33.1 5.17 $\pm$ 0.33 Algol-type
2MASS J04551407+3027272   $4\;55\;14.03$ $+30\;27\;27.8$ 2.47 0.79 11.6 1.27 $\pm$ 0.23  
2MASS J04553249+3040495   $4\;55\;32.57$ $+30\;40\;47.7$ 3.91 2.08 6.2 0.51 $\pm$ 0.11  
2MASS J04554820+3030160   $4\;55\;48.15$ $+30\;30\;15.7$ 2.37 0.82 22.9 1.72 $\pm$ 0.15 e
2MASS J04560534+3025393   $4\;56\;05.21$ $+30\;25\;39.2$ 4.34 1.78 5.3 0.55 $\pm$ 0.14  
2MASS J04560916+3045179   $4\;56\;09.08$ $+30\;45\;17.7$ 4.42 1.14 10.7 1.39 $\pm$ 0.20  
2MASS J04560960+3029318   $4\;56\;09.64$ $+30\;29\;27.9$ 2.30 3.98 11.2 0.56 $\pm$ 0.09  
2MASS J04561006+3031235   $4\;56\;10.17$ $+30\;31\;23.8$ 3.76 1.32 7.3 0.35 $\pm$ 0.07  
2MASS J04561535+3022268   $4\;56\;15.49$ $+30\;22\;26.3$ 3.24 1.84 9.9 1.32 $\pm$ 0.20  
2MASS J04561686+3026528   $4\;56\;17.06$ $+30\;26\;53.8$ 3.61 2.72 17.8 2.12 $\pm$ 0.20  
2MASS J04561986+3030047   $4\;56\;20.06$ $+30\;30\;05.7$ 1.84 2.66 19.7 1.26 $\pm$ 0.13  
2MASS J04562475+3034576   $4\;56\;24.95$ $+30\;34\;57.6$ 2.78 2.56 16.6 1.34 $\pm$ 0.15  
2MASS J04562751+3033420   $4\;56\;27.51$ $+30\;33\;40.7$ 1.66 1.38 6.5 0.16 $\pm$ 0.05  
2MASS J04564128+3041347   $4\;56\;41.31$ $+30\;41\;35.7$ 2.15 1.04 5.7 0.30 $\pm$ 0.08  
2MASS J04564132+3024575   $4\;56\;41.44$ $+30\;24\;56.1$ 2.09 2.19 30.2 5.66 $\pm$ 0.38  
2MASS J04565038+3028091   $4\;56\;50.29$ $+30\;28\;10.7$ 2.87 1.91 6.3 0.51 $\pm$ 0.12  
2MASS J04565237+3038186   $4\;56\;52.39$ $+30\;38\;17.2$ 2.93 1.49 6.4 0.44 $\pm$ 0.11  
a X-ray position error; b offset between the X-ray and optical position; c significance of detection; d source detected on MOS1 only; e candidate Taurus-Auriga member according to Scelsi et al. (2007).

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