273 SS LEO MINORIS (UG or NA) Range: 15.7-<21p Position: 10 34 06.0 +31 07 59 (J2000, D&S) Magnitude: ID RA (2000) DEC X Y N V ERR B-V ERR a) Comparison star sequence 1 10 34 20.3 +31 04 40 183 -199 1 12.746 0.001 0.495 0.001 2 10 33 42.2 +31 10 13 -305 134 1 13.487 0.001 0.753 0.001 3 10 33 48.4 +31 03 38 -226 -261 1 13.913 0.002 0.657 0.003 4 10 33 48.3 +31 10 49 -227 170 1 14.220 0.002 0.679 0.003 5 10 33 38.8 +31 07 14 -350 -45 1 14.720 0.002 0.607 0.004 6 10 34 16.0 +31 08 52 128 52 1 15.164 0.003 0.521 0.004 7 10 33 46.6 +31 09 23 -249 84 1 15.854 0.005 1.179 0.009 8 10 34 17.9 +31 02 47 153 -312 1 16.726 0.009 0.668 0.013 9 10 34 06.8 +31 04 55 10 -184 1 17.707 0.020 1.118 0.046 10 10 34 05.5 +31 08 19 -7 20 1 18.515 0.053 1.549 0.137 b) Wide-colour extension for CCD calibration 10 33 54.3 +31 13 24 -151 325 1 13.736 0.001 1.446 0.002 Notes: 1. This variable has not been identified in quiescence. Bruce Sumner 27 March 2002