Version: 8.7 (Fri Aug 14 02:18:49 UTC 2009) Using 2014 Counts, Exposure [s]= 191148.61 XRT/SDSS Frame Offset: RA 1.700 , Dec 1.900 , 90% Conf. Error: 0.320 Using 48 X-ray Sources and 62 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 56.7 ; 90% Conf. ["]= 0.884 XRT/DSS Frame Offset: RA 7.700 , Dec -2.200 , 90% Conf. Error: 10.000 Using 48 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.90 +35 30 52.6 ; 90% Conf. ["]= 10.034 Version: 8.6 (Thu Apr 16 05:13:23 UTC 2009) Using 1967 Counts, Exposure [s]= 144148.46 XRT/SDSS Frame Offset: RA 1.800 , Dec 1.300 , 90% Conf. Error: 0.370 Using 40 X-ray Sources and 57 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.3 ; 90% Conf. ["]= 0.891 XRT/DSS Frame Offset: RA 7.900 , Dec -2.400 , 90% Conf. Error: 10.000 Using 40 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.88 +35 30 52.6 ; 90% Conf. ["]= 10.033 Version: 8.5 (Thu Apr 16 03:33:24 UTC 2009) Using 1967 Counts, Exposure [s]= 143537.18 XRT/SDSS Frame Offset: RA 1.800 , Dec 1.300 , 90% Conf. Error: 0.370 Using 41 X-ray Sources and 59 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 56.3 ; 90% Conf. ["]= 0.882 XRT/DSS Frame Offset: RA 8.000 , Dec -2.500 , 90% Conf. Error: 10.000 Using 41 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.88 +35 30 52.5 ; 90% Conf. ["]= 10.032 Version: 8.4 (Thu Apr 16 01:53:16 UTC 2009) Using 1967 Counts, Exposure [s]= 142872.06 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.400 , 90% Conf. Error: 0.420 Using 39 X-ray Sources and 57 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 56.4 ; 90% Conf. ["]= 0.922 XRT/DSS Frame Offset: RA 8.000 , Dec -2.500 , 90% Conf. Error: 10.000 Using 39 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.87 +35 30 52.5 ; 90% Conf. ["]= 10.034 Version: 8.3 (Thu Apr 16 00:13:21 UTC 2009) Using 1967 Counts, Exposure [s]= 142214.57 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.400 , 90% Conf. Error: 0.420 Using 39 X-ray Sources and 57 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 56.4 ; 90% Conf. ["]= 0.914 XRT/DSS Frame Offset: RA 8.000 , Dec -2.500 , 90% Conf. Error: 10.000 Using 39 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.87 +35 30 52.5 ; 90% Conf. ["]= 10.033 Version: 8.2 (Wed Apr 15 20:33:10 UTC 2009) Using 1965 Counts, Exposure [s]= 140536.38 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.500 , 90% Conf. Error: 0.500 Using 37 X-ray Sources and 51 SDSS Sources SDSS Refined RA, Dec: 15 56 57.36 +35 30 56.4 ; 90% Conf. ["]= 0.970 XRT/DSS Frame Offset: RA 8.000 , Dec -2.500 , 90% Conf. Error: 10.000 Using 37 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.86 +35 30 52.4 ; 90% Conf. ["]= 10.034 Version: 8.1 (Wed Apr 15 17:13:04 UTC 2009) Using 1965 Counts, Exposure [s]= 138922.89 XRT/SDSS Frame Offset: RA 1.800 , Dec 1.600 , 90% Conf. Error: 0.680 Using 37 X-ray Sources and 52 SDSS Sources SDSS Refined RA, Dec: 15 56 57.36 +35 30 56.6 ; 90% Conf. ["]= 1.054 XRT/DSS Frame Offset: RA 8.000 , Dec -2.500 , 90% Conf. Error: 10.000 Using 37 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.87 +35 30 52.5 ; 90% Conf. ["]= 10.032 Version: 8.0 (Tue Apr 14 21:52:52 UTC 2009) Using 1962 Counts, Exposure [s]= 133318.18 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.300 , 90% Conf. Error: 0.680 Using 33 X-ray Sources and 47 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 56.3 ; 90% Conf. ["]= 1.063 XRT/DSS Frame Offset: RA 8.000 , Dec -2.500 , 90% Conf. Error: 10.000 Using 33 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.87 +35 30 52.5 ; 90% Conf. ["]= 10.033 Version: 7.9 (Tue Apr 14 20:12:45 UTC 2009) Using 1960 Counts, Exposure [s]= 132051.39 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.400 , 90% Conf. Error: 2.060 Using 31 X-ray Sources and 44 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.4 ; 90% Conf. ["]= 2.224 XRT/DSS Frame Offset: RA 7.900 , Dec -2.400 , 90% Conf. Error: 10.000 Using 31 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.87 +35 30 52.6 ; 90% Conf. ["]= 10.035 Version: 7.8 (Tue Apr 14 18:32:39 UTC 2009) Using 1957 Counts, Exposure [s]= 130346.08 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.700 , 90% Conf. Error: 2.220 Using 32 X-ray Sources and 44 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.7 ; 90% Conf. ["]= 2.367 XRT/DSS Frame Offset: RA 8.000 , Dec -2.500 , 90% Conf. Error: 10.000 Using 32 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.89 +35 30 52.5 ; 90% Conf. ["]= 10.034 Version: 7.7 (Tue Apr 14 16:52:34 UTC 2009) Using 1955 Counts, Exposure [s]= 128652.42 XRT/SDSS Frame Offset: RA 1.900 , Dec 0.800 , 90% Conf. Error: 1.340 Using 30 X-ray Sources and 43 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 56.1 ; 90% Conf. ["]= 1.508 XRT/DSS Frame Offset: RA 8.900 , Dec -2.400 , 90% Conf. Error: 10.000 Using 30 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.98 +35 30 52.9 ; 90% Conf. ["]= 10.024 Version: 7.6 (Tue Apr 14 08:12:36 UTC 2009) Using 1945 Counts, Exposure [s]= 120579.42 XRT/SDSS Frame Offset: RA 2.000 , Dec 1.600 , 90% Conf. Error: 2.480 Using 26 X-ray Sources and 40 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 56.5 ; 90% Conf. ["]= 2.636 XRT/DSS Frame Offset: RA 8.200 , Dec -3.100 , 90% Conf. Error: 10.000 Using 26 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.88 +35 30 51.8 ; 90% Conf. ["]= 10.040 Version: 7.5 (Tue Apr 14 06:13:05 UTC 2009) Using 1942 Counts, Exposure [s]= 119258.68 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.600 , 90% Conf. Error: 0.540 Using 24 X-ray Sources and 35 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.7 ; 90% Conf. ["]= 1.038 XRT/DSS Frame Offset: RA 8.200 , Dec -3.100 , 90% Conf. Error: 10.000 Using 24 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.90 +35 30 52.0 ; 90% Conf. ["]= 10.039 Version: 7.4 (Tue Apr 14 03:33:03 UTC 2009) Using 1941 Counts, Exposure [s]= 118676.99 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.600 , 90% Conf. Error: 1.170 Using 24 X-ray Sources and 35 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.7 ; 90% Conf. ["]= 1.457 XRT/DSS Frame Offset: RA 8.200 , Dec -3.100 , 90% Conf. Error: 10.000 Using 24 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.90 +35 30 52.0 ; 90% Conf. ["]= 10.038 Version: 7.3 (Mon Apr 13 23:12:57 UTC 2009) Using 1939 Counts, Exposure [s]= 117442.75 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.600 , 90% Conf. Error: 0.810 Using 22 X-ray Sources and 33 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.7 ; 90% Conf. ["]= 1.193 XRT/DSS Frame Offset: RA 8.300 , Dec -3.200 , 90% Conf. Error: 10.000 Using 22 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.91 +35 30 51.9 ; 90% Conf. ["]= 10.038 Version: 7.2 (Mon Apr 13 22:13:01 UTC 2009) Using 1935 Counts, Exposure [s]= 116045.63 XRT/SDSS Frame Offset: RA 2.500 , Dec 2.200 , 90% Conf. Error: 0.730 Using 30 X-ray Sources and 42 SDSS Sources SDSS Refined RA, Dec: 15 56 57.42 +35 30 57.2 ; 90% Conf. ["]= 1.130 XRT/DSS Frame Offset: RA 8.900 , Dec -2.200 , 90% Conf. Error: 10.000 Using 30 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.94 +35 30 52.8 ; 90% Conf. ["]= 10.037 Version: 7.1 (Mon Apr 13 21:33:01 UTC 2009) Using 1935 Counts, Exposure [s]= 116043.44 XRT/SDSS Frame Offset: RA 2.500 , Dec 2.200 , 90% Conf. Error: 0.730 Using 30 X-ray Sources and 42 SDSS Sources SDSS Refined RA, Dec: 15 56 57.42 +35 30 57.2 ; 90% Conf. ["]= 1.130 XRT/DSS Frame Offset: RA 8.900 , Dec -2.200 , 90% Conf. Error: 10.000 Using 30 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.94 +35 30 52.8 ; 90% Conf. ["]= 10.037 Version: 7.0 (Mon Apr 13 18:52:53 UTC 2009) Using 1935 Counts, Exposure [s]= 114626.66 XRT/SDSS Frame Offset: RA 2.100 , Dec 1.400 , 90% Conf. Error: 0.420 Using 24 X-ray Sources and 37 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.3 ; 90% Conf. ["]= 0.973 XRT/DSS Frame Offset: RA 8.300 , Dec -3.200 , 90% Conf. Error: 10.000 Using 24 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.90 +35 30 51.7 ; 90% Conf. ["]= 10.038 Version: 6.9 (Mon Apr 13 17:12:50 UTC 2009) Using 1931 Counts, Exposure [s]= 113233.74 XRT/SDSS Frame Offset: RA 2.400 , Dec 2.100 , 90% Conf. Error: 0.680 Using 32 X-ray Sources and 49 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 56.8 ; 90% Conf. ["]= 1.131 XRT/DSS Frame Offset: RA 9.100 , Dec -2.400 , 90% Conf. Error: 10.000 Using 32 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.96 +35 30 52.3 ; 90% Conf. ["]= 10.041 Version: 6.8 (Mon Apr 13 16:52:49 UTC 2009) Using 1930 Counts, Exposure [s]= 111805.78 XRT/SDSS Frame Offset: RA 2.000 , Dec 1.800 , 90% Conf. Error: 0.430 Using 31 X-ray Sources and 48 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.7 ; 90% Conf. ["]= 0.979 XRT/DSS Frame Offset: RA 8.000 , Dec -2.200 , 90% Conf. Error: 10.000 Using 31 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.88 +35 30 52.7 ; 90% Conf. ["]= 10.039 Version: 6.7 (Mon Apr 13 15:32:34 UTC 2009) Using 1925 Counts, Exposure [s]= 107757.15 XRT/SDSS Frame Offset: RA 1.900 , Dec 1.500 , 90% Conf. Error: 1.030 Using 28 X-ray Sources and 46 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 56.5 ; 90% Conf. ["]= 1.338 XRT/DSS Frame Offset: RA 8.800 , Dec -1.800 , 90% Conf. Error: 10.000 Using 28 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.94 +35 30 53.2 ; 90% Conf. ["]= 10.036 Version: 6.6 (Mon Apr 13 08:14:19 UTC 2009) Using 1923 Counts, Exposure [s]= 106683.35 XRT/SDSS Frame Offset: RA 1.800 , Dec 1.400 , 90% Conf. Error: 0.730 Using 26 X-ray Sources and 44 SDSS Sources SDSS Refined RA, Dec: 15 56 57.36 +35 30 56.5 ; 90% Conf. ["]= 1.130 XRT/DSS Frame Offset: RA 8.800 , Dec -1.900 , 90% Conf. Error: 10.000 Using 26 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.93 +35 30 53.2 ; 90% Conf. ["]= 10.037 Version: 6.5 (Mon Apr 13 04:52:33 UTC 2009) Using 1921 Counts, Exposure [s]= 105386.60 XRT/SDSS Frame Offset: RA 2.300 , Dec 2.300 , 90% Conf. Error: 1.620 Using 24 X-ray Sources and 41 SDSS Sources SDSS Refined RA, Dec: 15 56 57.40 +35 30 57.4 ; 90% Conf. ["]= 1.855 XRT/DSS Frame Offset: RA 8.800 , Dec -2.000 , 90% Conf. Error: 10.000 Using 24 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.93 +35 30 53.1 ; 90% Conf. ["]= 10.041 Version: 6.4 (Mon Apr 13 01:32:27 UTC 2009) Using 1921 Counts, Exposure [s]= 103950.86 XRT/SDSS Frame Offset: RA 2.300 , Dec 1.800 , 90% Conf. Error: 0.500 Using 26 X-ray Sources and 43 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.8 ; 90% Conf. ["]= 1.041 XRT/DSS Frame Offset: RA 8.800 , Dec -2.300 , 90% Conf. Error: 10.000 Using 26 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.91 +35 30 52.7 ; 90% Conf. ["]= 10.042 Version: 6.3 (Sun Apr 12 22:32:23 UTC 2009) Using 1920 Counts, Exposure [s]= 102560.82 XRT/SDSS Frame Offset: RA 2.300 , Dec 1.600 , 90% Conf. Error: 0.540 Using 27 X-ray Sources and 46 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.7 ; 90% Conf. ["]= 1.059 XRT/DSS Frame Offset: RA 8.800 , Dec -2.300 , 90% Conf. Error: 10.000 Using 27 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.93 +35 30 52.8 ; 90% Conf. ["]= 10.041 Version: 6.2 (Sun Apr 12 20:32:28 UTC 2009) Using 1918 Counts, Exposure [s]= 101165.95 XRT/SDSS Frame Offset: RA 2.500 , Dec 1.800 , 90% Conf. Error: 0.570 Using 26 X-ray Sources and 44 SDSS Sources SDSS Refined RA, Dec: 15 56 57.40 +35 30 56.8 ; 90% Conf. ["]= 1.071 XRT/DSS Frame Offset: RA 8.900 , Dec -2.100 , 90% Conf. Error: 10.000 Using 26 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.92 +35 30 52.9 ; 90% Conf. ["]= 10.041 Version: 6.1 (Sun Apr 12 18:12:20 UTC 2009) Using 1916 Counts, Exposure [s]= 99758.04 XRT/SDSS Frame Offset: RA 2.200 , Dec 1.700 , 90% Conf. Error: 0.570 Using 25 X-ray Sources and 45 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 56.7 ; 90% Conf. ["]= 1.071 XRT/DSS Frame Offset: RA 8.900 , Dec -2.100 , 90% Conf. Error: 10.000 Using 25 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.92 +35 30 52.9 ; 90% Conf. ["]= 10.041 Version: 6.0 (Sun Apr 12 16:52:23 UTC 2009) Using 1916 Counts, Exposure [s]= 98364.48 XRT/SDSS Frame Offset: RA 2.200 , Dec 1.400 , 90% Conf. Error: 0.370 Using 24 X-ray Sources and 43 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.4 ; 90% Conf. ["]= 0.982 XRT/DSS Frame Offset: RA 8.100 , Dec -2.600 , 90% Conf. Error: 10.000 Using 24 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.86 +35 30 52.4 ; 90% Conf. ["]= 10.041 Version: 5.9 (Sun Apr 12 14:52:17 UTC 2009) Using 1910 Counts, Exposure [s]= 94179.29 XRT/SDSS Frame Offset: RA 2.400 , Dec 1.900 , 90% Conf. Error: 0.430 Using 22 X-ray Sources and 37 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 57.1 ; 90% Conf. ["]= 0.933 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.680 Using 22 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.22 +35 30 55.2 ; 90% Conf. ["]= 6.731 Version: 5.8 (Sun Apr 12 08:52:10 UTC 2009) Using 1909 Counts, Exposure [s]= 93924.61 XRT/SDSS Frame Offset: RA 2.400 , Dec 1.800 , 90% Conf. Error: 0.430 Using 23 X-ray Sources and 39 SDSS Sources SDSS Refined RA, Dec: 15 56 57.40 +35 30 56.7 ; 90% Conf. ["]= 1.009 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.680 Using 23 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 54.9 ; 90% Conf. ["]= 6.742 Version: 5.7 (Sun Apr 12 03:12:22 UTC 2009) Using 1908 Counts, Exposure [s]= 93213.44 XRT/SDSS Frame Offset: RA 2.300 , Dec 2.000 , 90% Conf. Error: 0.510 Using 23 X-ray Sources and 39 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.8 ; 90% Conf. ["]= 1.043 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.680 Using 23 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.19 +35 30 54.8 ; 90% Conf. ["]= 6.742 Version: 5.6 (Sun Apr 12 01:12:18 UTC 2009) Using 1907 Counts, Exposure [s]= 91862.29 XRT/SDSS Frame Offset: RA 2.300 , Dec 2.400 , 90% Conf. Error: 0.450 Using 22 X-ray Sources and 35 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 57.6 ; 90% Conf. ["]= 0.946 XRT/DSS Frame Offset: RA 8.700 , Dec -2.500 , 90% Conf. Error: 10.000 Using 22 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.94 +35 30 52.7 ; 90% Conf. ["]= 10.035 Version: 5.5 (Sat Apr 11 21:52:06 UTC 2009) Using 1904 Counts, Exposure [s]= 89047.06 XRT/SDSS Frame Offset: RA 2.300 , Dec 1.800 , 90% Conf. Error: 0.860 Using 23 X-ray Sources and 36 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.8 ; 90% Conf. ["]= 1.199 XRT/DSS Frame Offset: RA 8.800 , Dec -2.200 , 90% Conf. Error: 10.000 Using 23 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.92 +35 30 52.8 ; 90% Conf. ["]= 10.035 Version: 5.4 (Sat Apr 11 19:32:13 UTC 2009) Using 1904 Counts, Exposure [s]= 87631.34 XRT/SDSS Frame Offset: RA 2.400 , Dec 2.000 , 90% Conf. Error: 1.090 Using 24 X-ray Sources and 41 SDSS Sources SDSS Refined RA, Dec: 15 56 57.40 +35 30 56.9 ; 90% Conf. ["]= 1.407 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.660 Using 24 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 54.9 ; 90% Conf. ["]= 6.719 Version: 5.3 (Sat Apr 11 18:12:06 UTC 2009) Using 1900 Counts, Exposure [s]= 86238.86 XRT/SDSS Frame Offset: RA 2.300 , Dec 2.300 , 90% Conf. Error: 0.870 Using 21 X-ray Sources and 38 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 57.2 ; 90% Conf. ["]= 1.247 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.650 Using 21 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.21 +35 30 54.9 ; 90% Conf. ["]= 6.710 Version: 5.2 (Sat Apr 11 06:12:30 UTC 2009) Using 1898 Counts, Exposure [s]= 83457.96 XRT/SDSS Frame Offset: RA 2.500 , Dec 2.200 , 90% Conf. Error: 0.850 Using 22 X-ray Sources and 39 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 57.1 ; 90% Conf. ["]= 1.223 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.650 Using 22 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 54.9 ; 90% Conf. ["]= 6.708 Version: 5.1 (Sat Apr 11 03:12:40 UTC 2009) Using 1898 Counts, Exposure [s]= 83424.96 XRT/SDSS Frame Offset: RA 2.500 , Dec 2.200 , 90% Conf. Error: 0.850 Using 22 X-ray Sources and 39 SDSS Sources SDSS Refined RA, Dec: 15 56 57.42 +35 30 57.3 ; 90% Conf. ["]= 1.173 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.650 Using 22 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.21 +35 30 55.1 ; 90% Conf. ["]= 6.699 Version: 5.0 (Sat Apr 11 01:32:24 UTC 2009) Using 1892 Counts, Exposure [s]= 80950.99 XRT/SDSS Frame Offset: RA 4.500 , Dec 2.100 , 90% Conf. Error: 0.640 Using 24 X-ray Sources and 34 SDSS Sources SDSS Refined RA, Dec: 15 56 57.57 +35 30 56.8 ; 90% Conf. ["]= 1.032 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.650 Using 24 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 54.7 ; 90% Conf. ["]= 6.699 Version: 4.9 (Fri Apr 10 22:32:29 UTC 2009) Using 1892 Counts, Exposure [s]= 80935.54 XRT/SDSS Frame Offset: RA 4.500 , Dec 2.100 , 90% Conf. Error: 0.640 Using 24 X-ray Sources and 34 SDSS Sources SDSS Refined RA, Dec: 15 56 57.57 +35 30 56.8 ; 90% Conf. ["]= 1.034 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.650 Using 24 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 54.7 ; 90% Conf. ["]= 6.699 Version: 4.8 (Fri Apr 10 20:12:15 UTC 2009) Using 1888 Counts, Exposure [s]= 79557.58 XRT/SDSS Frame Offset: RA 3.200 , Dec 2.000 , 90% Conf. Error: 1.320 Using 25 X-ray Sources and 39 SDSS Sources SDSS Refined RA, Dec: 15 56 57.48 +35 30 56.9 ; 90% Conf. ["]= 1.575 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.650 Using 25 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.22 +35 30 54.9 ; 90% Conf. ["]= 6.705 Version: 4.7 (Fri Apr 10 19:32:13 UTC 2009) Using 1886 Counts, Exposure [s]= 78175.47 XRT/SDSS Frame Offset: RA 4.300 , Dec 1.900 , 90% Conf. Error: 1.820 Using 24 X-ray Sources and 39 SDSS Sources SDSS Refined RA, Dec: 15 56 57.54 +35 30 56.6 ; 90% Conf. ["]= 2.074 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.850 Using 24 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.19 +35 30 54.7 ; 90% Conf. ["]= 6.922 Version: 4.6 (Fri Apr 10 18:52:09 UTC 2009) Using 1882 Counts, Exposure [s]= 76719.32 XRT/SDSS Frame Offset: RA 4.400 , Dec 2.100 , 90% Conf. Error: 0.610 Using 20 X-ray Sources and 38 SDSS Sources SDSS Refined RA, Dec: 15 56 57.56 +35 30 56.9 ; 90% Conf. ["]= 1.101 XRT/DSS Frame Offset: RA 8.200 , Dec -2.700 , 90% Conf. Error: 10.000 Using 20 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.87 +35 30 52.1 ; 90% Conf. ["]= 10.042 Version: 4.5 (Fri Apr 10 04:52:25 UTC 2009) Using 1871 Counts, Exposure [s]= 73615.40 XRT/SDSS Frame Offset: RA 2.600 , Dec 2.200 , 90% Conf. Error: 0.870 Using 19 X-ray Sources and 36 SDSS Sources SDSS Refined RA, Dec: 15 56 57.43 +35 30 57.6 ; 90% Conf. ["]= 1.139 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.650 Using 19 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.22 +35 30 55.4 ; 90% Conf. ["]= 6.690 Version: 4.4 (Fri Apr 10 02:52:22 UTC 2009) Using 1867 Counts, Exposure [s]= 72665.14 XRT/SDSS Frame Offset: RA 2.600 , Dec 2.300 , 90% Conf. Error: 2.020 Using 18 X-ray Sources and 31 SDSS Sources SDSS Refined RA, Dec: 15 56 57.43 +35 30 57.6 ; 90% Conf. ["]= 2.131 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.650 Using 18 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.22 +35 30 55.3 ; 90% Conf. ["]= 6.685 Version: 4.3 (Fri Apr 10 00:12:46 UTC 2009) Using 1862 Counts, Exposure [s]= 71675.53 XRT/SDSS Frame Offset: RA 2.600 , Dec 2.300 , 90% Conf. Error: 0.590 Using 18 X-ray Sources and 33 SDSS Sources SDSS Refined RA, Dec: 15 56 57.43 +35 30 57.7 ; 90% Conf. ["]= 0.950 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.660 Using 18 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.22 +35 30 55.4 ; 90% Conf. ["]= 6.702 Version: 4.2 (Thu Apr 9 23:32:39 UTC 2009) Using 1849 Counts, Exposure [s]= 66161.85 XRT/SDSS Frame Offset: RA 2.200 , Dec 2.100 , 90% Conf. Error: 0.540 Using 18 X-ray Sources and 26 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 57.7 ; 90% Conf. ["]= 0.881 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.850 Using 18 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.21 +35 30 55.6 ; 90% Conf. ["]= 6.885 Version: 4.1 (Thu Apr 9 02:31:59 UTC 2009) Using 1837 Counts, Exposure [s]= 64896.39 XRT/SDSS Frame Offset: RA 2.200 , Dec 2.200 , 90% Conf. Error: 0.510 Using 19 X-ray Sources and 31 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 57.7 ; 90% Conf. ["]= 0.903 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.850 Using 19 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.19 +35 30 55.5 ; 90% Conf. ["]= 6.890 Version: 4.0 (Wed Apr 8 23:51:59 UTC 2009) Using 1837 Counts, Exposure [s]= 64833.94 XRT/SDSS Frame Offset: RA 2.200 , Dec 2.200 , 90% Conf. Error: 0.510 Using 19 X-ray Sources and 31 SDSS Sources SDSS Refined RA, Dec: 15 56 57.40 +35 30 57.6 ; 90% Conf. ["]= 0.510 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.850 Using 19 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.22 +35 30 55.4 ; 90% Conf. ["]= 6.850 Version: 3.9 (Wed Apr 8 21:31:59 UTC 2009) Using 1648 Counts, Exposure [s]= 63820.72 XRT/SDSS Frame Offset: RA 2.200 , Dec 1.700 , 90% Conf. Error: 2.330 Using 17 X-ray Sources and 28 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.9 ; 90% Conf. ["]= 2.330 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.610 Using 17 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.2 ; 90% Conf. ["]= 6.610 Version: 3.8 (Wed Apr 8 20:31:52 UTC 2009) Using 1648 Counts, Exposure [s]= 63814.23 XRT/SDSS Frame Offset: RA 2.200 , Dec 1.700 , 90% Conf. Error: 2.330 Using 17 X-ray Sources and 28 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.9 ; 90% Conf. ["]= 2.330 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.610 Using 17 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.2 ; 90% Conf. ["]= 6.610 Version: 3.7 (Wed Apr 8 18:31:56 UTC 2009) Using 1644 Counts, Exposure [s]= 61180.70 XRT/SDSS Frame Offset: RA 2.300 , Dec 1.200 , 90% Conf. Error: 2.120 Using 18 X-ray Sources and 31 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.4 ; 90% Conf. ["]= 2.120 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.610 Using 18 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.2 ; 90% Conf. ["]= 6.610 Version: 3.6 (Wed Apr 8 09:31:54 UTC 2009) Using 1645 Counts, Exposure [s]= 60305.25 XRT/SDSS Frame Offset: RA 2.200 , Dec 1.500 , 90% Conf. Error: 0.680 Using 15 X-ray Sources and 27 SDSS Sources SDSS Refined RA, Dec: 15 56 57.38 +35 30 56.7 ; 90% Conf. ["]= 0.680 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.610 Using 15 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.2 ; 90% Conf. ["]= 6.610 Version: 3.5 (Wed Apr 8 04:12:11 UTC 2009) Using 1636 Counts, Exposure [s]= 58797.24 XRT/SDSS Frame Offset: RA 2.200 , Dec 1.500 , 90% Conf. Error: 0.910 Using 15 X-ray Sources and 28 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.8 ; 90% Conf. ["]= 0.910 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.580 Using 15 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.21 +35 30 55.3 ; 90% Conf. ["]= 6.580 Version: 3.4 (Wed Apr 8 00:52:04 UTC 2009) Using 1629 Counts, Exposure [s]= 57173.07 XRT/SDSS Frame Offset: RA 2.300 , Dec 1.500 , 90% Conf. Error: 2.700 Using 13 X-ray Sources and 23 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.7 ; 90% Conf. ["]= 2.700 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.580 Using 13 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.2 ; 90% Conf. ["]= 6.580 Version: 3.3 (Tue Apr 7 23:32:04 UTC 2009) Using 1626 Counts, Exposure [s]= 56726.97 XRT/SDSS Frame Offset: RA 2.300 , Dec 1.500 , 90% Conf. Error: 2.500 Using 13 X-ray Sources and 26 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.7 ; 90% Conf. ["]= 2.500 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.600 Using 13 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.2 ; 90% Conf. ["]= 6.600 Version: 3.2 (Tue Apr 7 21:31:54 UTC 2009) Using 1619 Counts, Exposure [s]= 55607.34 XRT/SDSS Frame Offset: RA 2.300 , Dec 1.400 , 90% Conf. Error: 0.650 Using 10 X-ray Sources and 18 SDSS Sources SDSS Refined RA, Dec: 15 56 57.40 +35 30 56.6 ; 90% Conf. ["]= 0.650 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.600 Using 10 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.21 +35 30 55.2 ; 90% Conf. ["]= 6.600 Version: 3.1 (Tue Apr 7 19:51:55 UTC 2009) Using 1610 Counts, Exposure [s]= 54485.68 XRT/SDSS Frame Offset: RA 2.300 , Dec 1.500 , 90% Conf. Error: 0.640 Using 11 X-ray Sources and 23 SDSS Sources SDSS Refined RA, Dec: 15 56 57.39 +35 30 56.7 ; 90% Conf. ["]= 0.640 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.580 Using 11 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.21 +35 30 55.2 ; 90% Conf. ["]= 6.580 Version: 3.0 (Tue Apr 7 18:11:43 UTC 2009) Using 1587 Counts, Exposure [s]= 50747.11 XRT/SDSS Frame Offset: RA 3.800 , Dec 0.500 , 90% Conf. Error: 1.490 Using 13 X-ray Sources and 26 SDSS Sources SDSS Refined RA, Dec: 15 56 57.52 +35 30 55.8 ; 90% Conf. ["]= 1.490 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.580 Using 13 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.3 ; 90% Conf. ["]= 6.580 Version: 2.9 (Tue Apr 7 09:51:44 UTC 2009) Using 1587 Counts, Exposure [s]= 50746.90 XRT/SDSS Frame Offset: RA 3.800 , Dec 0.500 , 90% Conf. Error: 1.490 Using 13 X-ray Sources and 26 SDSS Sources SDSS Refined RA, Dec: 15 56 57.52 +35 30 55.8 ; 90% Conf. ["]= 1.490 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.580 Using 13 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.3 ; 90% Conf. ["]= 6.580 Version: 2.8 (Tue Apr 7 08:11:41 UTC 2009) Using 1585 Counts, Exposure [s]= 50373.30 XRT/SDSS Frame Offset: RA 3.800 , Dec 0.500 , 90% Conf. Error: 1.490 Using 12 X-ray Sources and 21 SDSS Sources SDSS Refined RA, Dec: 15 56 57.52 +35 30 55.8 ; 90% Conf. ["]= 1.490 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.580 Using 12 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.3 ; 90% Conf. ["]= 6.580 Version: 2.7 (Tue Apr 7 04:12:47 UTC 2009) Using 1585 Counts, Exposure [s]= 50354.39 XRT/SDSS Frame Offset: RA 3.800 , Dec 0.500 , 90% Conf. Error: 1.620 Using 12 X-ray Sources and 21 SDSS Sources SDSS Refined RA, Dec: 15 56 57.52 +35 30 55.8 ; 90% Conf. ["]= 1.620 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.580 Using 12 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.3 ; 90% Conf. ["]= 6.580 Version: 2.6 (Tue Apr 7 03:51:46 UTC 2009) Using 1572 Counts, Exposure [s]= 48262.93 XRT/SDSS Frame Offset: RA 2.500 , Dec 1.300 , 90% Conf. Error: 1.750 Using 15 X-ray Sources and 29 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 56.6 ; 90% Conf. ["]= 1.750 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.560 Using 15 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.3 ; 90% Conf. ["]= 6.560 Version: 2.5 (Tue Apr 7 01:12:22 UTC 2009) Using 1571 Counts, Exposure [s]= 47746.04 XRT/SDSS Frame Offset: RA 2.500 , Dec 1.300 , 90% Conf. Error: 1.650 Using 14 X-ray Sources and 27 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 56.6 ; 90% Conf. ["]= 1.650 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.560 Using 14 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.3 ; 90% Conf. ["]= 6.560 Version: 2.4 (Tue Apr 7 00:32:28 UTC 2009) Using 1567 Counts, Exposure [s]= 47430.19 XRT/SDSS Frame Offset: RA 2.500 , Dec 1.300 , 90% Conf. Error: 1.400 Using 13 X-ray Sources and 27 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 56.6 ; 90% Conf. ["]= 1.400 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.560 Using 13 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.3 ; 90% Conf. ["]= 6.560 Version: 2.3 (Mon Apr 6 22:51:55 UTC 2009) Using 1561 Counts, Exposure [s]= 44907.85 XRT/SDSS Frame Offset: RA 2.500 , Dec 1.500 , 90% Conf. Error: 2.060 Using 11 X-ray Sources and 13 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 56.7 ; 90% Conf. ["]= 2.060 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.580 Using 11 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.2 ; 90% Conf. ["]= 6.580 Version: 2.2 (Mon Apr 6 20:13:09 UTC 2009) Using 1554 Counts, Exposure [s]= 42383.00 XRT/SDSS Frame Offset: RA 2.700 , Dec 1.400 , 90% Conf. Error: 1.790 Using 12 X-ray Sources and 20 SDSS Sources SDSS Refined RA, Dec: 15 56 57.42 +35 30 56.6 ; 90% Conf. ["]= 1.790 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.20 +35 30 55.2 ; 90% Conf. ["]= 6.420 Version: 2.1 (Mon Apr 6 18:32:35 UTC 2009) Using 1517 Counts, Exposure [s]= 37738.25 XRT/SDSS Frame Offset: RA 2.500 , Dec 2.400 , 90% Conf. Error: 0.730 Using 8 X-ray Sources and 15 SDSS Sources SDSS Refined RA, Dec: 15 56 57.40 +35 30 57.6 ; 90% Conf. ["]= 0.730 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.620 Using 8 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.20 +35 30 55.2 ; 90% Conf. ["]= 6.620 Version: 2.0 (Mon Apr 6 11:52:42 UTC 2009) Using 1481 Counts, Exposure [s]= 34316.13 XRT/SDSS Frame Offset: RA 2.200 , Dec 2.100 , 90% Conf. Error: 0.650 Using 7 X-ray Sources and 14 SDSS Sources SDSS Refined RA, Dec: 15 56 57.36 +35 30 57.1 ; 90% Conf. ["]= 0.650 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.750 Using 7 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.18 +35 30 55.0 ; 90% Conf. ["]= 6.750 Version: 1.9 (Mon Apr 6 11:12:36 UTC 2009) Using 1476 Counts, Exposure [s]= 33350.82 XRT/SDSS Frame Offset: RA 2.200 , Dec 2.000 , 90% Conf. Error: 1.210 Using 8 X-ray Sources and 17 SDSS Sources SDSS Refined RA, Dec: 15 56 57.36 +35 30 57.0 ; 90% Conf. ["]= 1.210 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.630 Using 8 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.18 +35 30 55.0 ; 90% Conf. ["]= 6.630 Version: 1.8 (Mon Apr 6 06:32:22 UTC 2009) Using 1456 Counts, Exposure [s]= 31633.74 XRT/SDSS Frame Offset: RA 2.200 , Dec 2.400 , 90% Conf. Error: 0.870 Using 8 X-ray Sources and 18 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 57.6 ; 90% Conf. ["]= 0.870 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.610 Using 8 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.19 +35 30 55.2 ; 90% Conf. ["]= 6.610 Version: 1.7 (Mon Apr 6 05:52:30 UTC 2009) Using 1456 Counts, Exposure [s]= 31621.83 XRT/SDSS Frame Offset: RA 2.200 , Dec 2.400 , 90% Conf. Error: 0.870 Using 8 X-ray Sources and 18 SDSS Sources SDSS Refined RA, Dec: 15 56 57.37 +35 30 57.6 ; 90% Conf. ["]= 0.870 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.610 Using 8 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.19 +35 30 55.2 ; 90% Conf. ["]= 6.610 Version: 1.6 (Mon Apr 6 04:12:17 UTC 2009) Using 1443 Counts, Exposure [s]= 30302.35 XRT/SDSS Frame Offset: RA 2.700 , Dec 2.600 , 90% Conf. Error: 0.990 Using 8 X-ray Sources and 18 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 57.7 ; 90% Conf. ["]= 0.990 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.610 Using 8 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.19 +35 30 55.1 ; 90% Conf. ["]= 6.610 Version: 1.5 (Mon Apr 6 00:32:00 UTC 2009) Using 1418 Counts, Exposure [s]= 26727.12 XRT/SDSS Frame Offset: RA 2.500 , Dec 2.000 , 90% Conf. Error: 1.030 Using 6 X-ray Sources and 14 SDSS Sources SDSS Refined RA, Dec: 15 56 57.40 +35 30 57.1 ; 90% Conf. ["]= 1.030 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.19 +35 30 55.1 ; 90% Conf. ["]= 6.420 Version: 1.4 (Sun Apr 5 22:15:04 UTC 2009) Using 1398 Counts, Exposure [s]= 24433.41 XRT/SDSS Frame Offset: RA 2.700 , Dec 2.600 , 90% Conf. Error: 1.050 Using 6 X-ray Sources and 14 SDSS Sources SDSS Refined RA, Dec: 15 56 57.41 +35 30 57.7 ; 90% Conf. ["]= 1.050 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.630 Using 6 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.19 +35 30 55.1 ; 90% Conf. ["]= 6.630 Version: 1.3 (Sun Apr 5 21:54:43 UTC 2009) Using 1375 Counts, Exposure [s]= 20684.47 XRT/SDSS Frame Offset: RA 3.200 , Dec 2.300 , 90% Conf. Error: 1.090 Using 5 X-ray Sources and 10 SDSS Sources SDSS Refined RA, Dec: 15 56 57.43 +35 30 57.1 ; 90% Conf. ["]= 1.090 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.17 +35 30 54.8 ; 90% Conf. ["]= 6.420 Version: 1.2 (Sun Apr 5 20:13:16 UTC 2009) Using 1368 Counts, Exposure [s]= 19263.64 XRT/SDSS Frame Offset: RA 2.100 , Dec 1.800 , 90% Conf. Error: 1.080 Using 4 X-ray Sources and 10 SDSS Sources SDSS Refined RA, Dec: 15 56 57.36 +35 30 56.7 ; 90% Conf. ["]= 1.080 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.680 Using 4 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.18 +35 30 54.9 ; 90% Conf. ["]= 6.680 Version: 1.1 (Sun Apr 5 12:13:58 UTC 2009) Using 1271 Counts, Exposure [s]= 14002.38 XRT/SDSS Frame Offset: RA 1.800 , Dec 2.400 , 90% Conf. Error: 2.790 Using 5 X-ray Sources and 13 SDSS Sources SDSS Refined RA, Dec: 15 56 57.35 +35 30 57.3 ; 90% Conf. ["]= 2.790 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.20 +35 30 54.9 ; 90% Conf. ["]= 6.420 Version: 1.0 (Sun Apr 5 09:33:46 UTC 2009) Using 1244 Counts, Exposure [s]= 12842.47 XRT/SDSS Frame Offset: RA 3.100 , Dec 2.000 , 90% Conf. Error: 1.920 Using 4 X-ray Sources and 10 SDSS Sources SDSS Refined RA, Dec: 15 56 57.46 +35 30 56.8 ; 90% Conf. ["]= 1.920 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.20 +35 30 54.8 ; 90% Conf. ["]= 6.420 Version: 0.9 (Sun Apr 5 08:13:31 UTC 2009) Using 1226 Counts, Exposure [s]= 11748.34 XRT/SDSS Frame Offset: RA 3.100 , Dec 2.700 , 90% Conf. Error: 2.090 Using 4 X-ray Sources and 11 SDSS Sources SDSS Refined RA, Dec: 15 56 57.45 +35 30 57.5 ; 90% Conf. ["]= 2.090 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.20 +35 30 54.8 ; 90% Conf. ["]= 6.420 Version: 0.8 (Sun Apr 5 06:13:17 UTC 2009) Using 1207 Counts, Exposure [s]= 10609.58 XRT/SDSS Frame Offset: RA 3.500 , Dec 2.000 , 90% Conf. Error: 2.090 Using 4 X-ray Sources and 11 SDSS Sources SDSS Refined RA, Dec: 15 56 57.48 +35 30 56.8 ; 90% Conf. ["]= 2.090 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.20 +35 30 54.8 ; 90% Conf. ["]= 6.420 Version: 0.7 (Sun Apr 5 04:32:50 UTC 2009) Using 1068 Counts, Exposure [s]= 8271.71 XRT/SDSS Frame Offset: RA 5.600 , Dec -0.500 , 90% Conf. Error: 4.410 Using 3 X-ray Sources and 6 SDSS Sources SDSS Refined RA, Dec: 15 56 57.65 +35 30 54.1 ; 90% Conf. ["]= 4.410 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.19 +35 30 54.6 ; 90% Conf. ["]= 6.420 Version: 0.6 (Sun Apr 5 04:13:21 UTC 2009) Using 1055 Counts, Exposure [s]= 8148.51 XRT/SDSS Frame Offset: RA 5.600 , Dec -0.500 , 90% Conf. Error: 4.410 Using 3 X-ray Sources and 6 SDSS Sources SDSS Refined RA, Dec: 15 56 57.65 +35 30 54.0 ; 90% Conf. ["]= 4.410 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.19 +35 30 54.5 ; 90% Conf. ["]= 6.420 Version: 0.5 (Sun Apr 5 01:32:28 UTC 2009) Using 883 Counts, Exposure [s]= 6290.79 XRT/SDSS Frame Offset: RA 1.800 , Dec 3.300 , 90% Conf. Error: 6.560 Using 2 X-ray Sources and 3 SDSS Sources SDSS Refined RA, Dec: 15 56 57.35 +35 30 58.1 ; 90% Conf. ["]= 6.560 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.21 +35 30 54.8 ; 90% Conf. ["]= 6.420 Version: 0.4 (Sun Apr 5 00:52:45 UTC 2009) Using 880 Counts, Exposure [s]= 6213.86 XRT/SDSS Frame Offset: RA 0.900 , Dec 3.300 , 90% Conf. Error: 2.810 Using 4 X-ray Sources and 11 SDSS Sources SDSS Refined RA, Dec: 15 56 57.28 +35 30 58.1 ; 90% Conf. ["]= 2.810 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 7.110 Using 4 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.21 +35 30 54.8 ; 90% Conf. ["]= 7.110 Version: 0.3 (Sat Apr 4 23:31:54 UTC 2009) Using 680 Counts, Exposure [s]= 4406.50 XRT/SDSS Frame Offset: RA 4.900 , Dec -0.200 , 90% Conf. Error: 6.910 Using 2 X-ray Sources and 4 SDSS Sources SDSS Refined RA, Dec: 15 56 57.62 +35 30 54.6 ; 90% Conf. ["]= 6.910 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 7.180 Using 2 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.22 +35 30 54.8 ; 90% Conf. ["]= 7.180 Version: 0.2 (Sat Apr 4 22:52:14 UTC 2009) Using 678 Counts, Exposure [s]= 4401.26 XRT/SDSS Frame Offset: RA 4.900 , Dec -0.200 , 90% Conf. Error: 6.910 Using 2 X-ray Sources and 4 SDSS Sources SDSS Refined RA, Dec: 15 56 57.62 +35 30 54.6 ; 90% Conf. ["]= 6.910 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 7.180 Using 2 X-ray Sources and 1 DSS Sources DSS Refined RA, Dec: 15 56 57.22 +35 30 54.8 ; 90% Conf. ["]= 7.180 Version: 0.1 (Sat Apr 4 22:11:57 UTC 2009) Using 385 Counts, Exposure [s]= 2531.87 XRT/SDSS Frame Offset: RA 2.200 , Dec 2.200 , 90% Conf. Error: 5.830 Using 1 X-ray Sources and 3 SDSS Sources SDSS Refined RA, Dec: 15 56 57.43 +35 30 56.3 ; 90% Conf. ["]= 5.830 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.25 +35 30 54.1 ; 90% Conf. ["]= 6.420 Version: 0.0 (Sat Apr 4 21:37:45 UTC 2009) Using 198 Counts, Exposure [s]= 1013.22 XRT/SDSS Frame Offset: RA -5.000 , Dec 1.100 , 90% Conf. Error: 7.130 Using 2 X-ray Sources and 3 SDSS Sources SDSS Refined RA, Dec: 15 56 57.03 +35 31 00.7 ; 90% Conf. ["]= 7.130 XRT/DSS Frame Offset: RA 0.000 , Dec 0.000 , 90% Conf. Error: 6.420 Warning: No optical/X-ray sources to match. DSS Refined RA, Dec: 15 56 57.44 +35 30 59.6 ; 90% Conf. ["]= 6.420