NICER observation list: Target ID 101001

Abstract

Observations of general NICER calibration
Obsid RA DEC l b Start End Exposure Number of
Modules
Number of
Processing
Status of
Processing
Date of
Processing
Public
date
1010010101 16.014 -72.032 301.555 -45.063 57951.6764 57951.9398 628.6 52 2 VALIDATED 58180.1 58181
1010010102 16.014 -72.033 301.555 -45.061 57951.9976 57952.9075 4223.0 52 2 VALIDATED 58180.1 58181
1010010103 16.011 -72.033 301.556 -45.061 57953.1540 57953.8118 866.0 52 2 VALIDATED 58180.1 58181
1010010104 16.012 -72.031 301.555 -45.064 57958.9607 57958.9676 226.0 52 2 VALIDATED 58180.1 58181
1010010105 16.011 -72.031 301.556 -45.064 57959.0122 57959.9965 320.0 52 2 VALIDATED 58180.1 58181
1010010106 16.006 -72.031 301.558 -45.063 57962.8659 57962.9318 1105.0 52 2 VALIDATED 58180.1 58181
1010010107 16.006 -72.030 301.558 -45.065 57963.0037 57963.4660 1070.7 52 2 VALIDATED 58180.1 58181
1010010108 16.009 -72.030 301.557 -45.065 57977.1557 57977.7382 1510.0 52 2 VALIDATED 58180.1 58181
1010010109 16.009 -72.031 301.557 -45.064 57978.2973 57978.9614 2076.0 52 2 VALIDATED 58180.1 58181
1010010110 16.008 -72.030 301.557 -45.064 57979.0697 57979.9273 3014.0 52 2 VALIDATED 58180.1 58181
1010010111 16.008 -72.030 301.557 -45.064 57980.1188 57980.7019 1164.7 52 2 VALIDATED 58180.1 58181
1010010112 16.009 -72.030 301.557 -45.065 58009.1168 58009.1189 88.0 52 3 VALIDATED 58180.1 58181
1010010113 16.009 -72.032 301.557 -45.063 58021.9722 58021.9800 480.0 52 2 VALIDATED 58180.1 58181
1010010114 16.010 -72.031 301.557 -45.063 58022.0369 58022.9468 2312.0 52 2 VALIDATED 58180.1 58181
1010010115 16.013 -72.036 301.556 -45.059 58023.6965 58023.7798 203.0 52 3 VALIDATED 58180.1 58181
1010010116 16.009 -72.030 301.557 -45.064 58046.8588 58046.8686 491.0 52 5 VALIDATED 58180.1 58181
1010010117 16.009 -72.029 301.557 -45.065 58047.5002 58047.5760 1560.0 52 5 VALIDATED 58180.1 58181
1010010118 16.008 -72.030 301.557 -45.064 58048.2079 58048.7980 457.0 52 3 VALIDATED 58180.1 58181
1010010119 16.007 -72.031 301.558 -45.064 58049.1147 58049.1209 267.0 52 3 VALIDATED 58180.1 58181
1010010120 16.007 -72.030 301.558 -45.065 58054.3196 58054.6498 2059.0 52 2 VALIDATED 58180.1 58181
1010010121 16.008 -72.030 301.557 -45.065 58055.0337 58055.4069 1060.0 52 2 VALIDATED 58180.1 58181
1010010122 16.010 -72.029 301.556 -45.065 58056.2379 58056.5813 377.0 52 2 VALIDATED 58180.1 58181
1010010123 16.007 -72.028 301.557 -45.067 58070.4451 58070.4562 45.0 52 3 VALIDATED 58180.1 58181
1010010124 16.007 -72.031 301.558 -45.064 58074.1118 58074.2459 599.0 52 5 VALIDATED 58180.1 58181
1010010125 16.004 -72.031 301.559 -45.063 58074.5613 58074.6924 11.0 52 4 VALIDATED 58180.1 58181
1010010126 16.002 -72.029 301.560 -45.066 58075.2095 58075.7947 816.0 52 4 VALIDATED 58180.1 58181
1010010127 15.998 -72.029 301.562 -45.066 58076.1678 58076.5041 694.0 52 4 VALIDATED 58191.6 58181
1010010128 16.009 -72.031 301.557 -45.063 58090.7148 58090.7861 72.0 52 3 VALIDATED 58180.2 58181
1010010129 16.008 -72.032 301.557 -45.063 58093.4637 58093.4674 220.0 52 2 VALIDATED 58180.2 58181
1010010130 16.010 -72.031 301.556 -45.063 58101.2368 58101.8896 700.0 52 3 VALIDATED 58180.2 58181
1010010131 16.010 -72.037 301.557 -45.058 58103.3022 58103.6974 472.0 52 3 VALIDATED 58180.2 58181
1010010132 16.010 -72.033 301.556 -45.062 58105.6251 58105.6306 141.0 0 3 VALIDATED 58180.2 58181
1010010133 16.015 -72.031 301.554 -45.063 58106.5306 58106.9876 826.0 52 3 VALIDATED 58180.2 58181
1010010134 16.012 -72.030 301.556 -45.064 58107.2285 58107.8243 1779.0 52 2 VALIDATED 58180.2 58181
1010010135 16.013 -72.030 301.555 -45.064 58108.3339 58108.5317 765.0 52 2 VALIDATED 58180.2 58181
1010010136 16.010 -72.030 301.556 -45.065 58112.6975 58112.7023 179.0 0 3 VALIDATED 58180.2 58181
1010010137 16.008 -72.030 301.557 -45.065 58125.9963 58126.4514 1010.7 52 3 VALIDATED 58180.2 58181
1010010138 16.008 -72.030 301.557 -45.064 58127.2828 58127.9377 5916.0 52 2 VALIDATED 58180.2 58181
1010010139 16.008 -72.030 301.557 -45.065 58127.9900 58128.9669 10128.0 52 2 VALIDATED 58180.2 58181
1010010140 16.007 -72.030 301.558 -45.065 58129.0192 58129.9961 10447.0 52 2 VALIDATED 58180.2 58181
1010010141 16.006 -72.030 301.558 -45.065 58130.1127 58130.7681 6298.0 52 2 VALIDATED 58180.2 58181
1010010142 16.016 -72.032 301.554 -45.063 58131.4652 58131.6120 126.0 52 3 VALIDATED 58180.2 58181
1010010143 16.006 -72.030 301.558 -45.065 58132.1247 58132.4492 425.0 52 4 VALIDATED 58180.2 58181
1010010144 16.008 -72.031 301.557 -45.064 58133.2666 58133.8503 736.0 52 4 VALIDATED 58180.2 58181
1010010145 16.007 -72.031 301.558 -45.064 58134.1661 58134.1720 434.0 52 4 VALIDATED 58180.2 58181
1010010146 16.007 -72.031 301.558 -45.064 58135.3238 58135.3301 468.0 52 4 VALIDATED 58180.2 58181
1010010147 16.003 -72.029 301.559 -45.066 58136.6093 58136.6169 16.0 52 4 VALIDATED 58180.2 58181
1010010148 16.002 -72.029 301.560 -45.065 58137.5102 58137.5176 12.0 52 4 VALIDATED 58180.2 58181
1010010149 16.006 -72.031 301.558 -45.064 58140.0347 58140.9431 2522.0 52 4 VALIDATED 58180.2 58181
1010010150 16.006 -72.031 301.558 -45.064 58141.0005 58141.7621 2007.0 52 4 VALIDATED 58180.2 58181
1010010151 16.013 -72.032 301.555 -45.063 58142.7375 58142.7428 161.0 52 3 VALIDATED 58180.2 58181
1010010152 16.007 -72.031 301.558 -45.064 58144.6060 58144.9959 307.0 52 3 VALIDATED 58180.2 58181
1010010153 16.006 -72.031 301.558 -45.064 58145.0563 58145.8319 0.0 52 3 VALIDATED 58180.2 58181
1010010154 16.008 -72.030 301.557 -45.064 58146.0854 58146.6035 0.0 52 4 VALIDATED 58180.2 58181
1010010155 16.007 -72.030 301.557 -45.065 58147.3076 58147.3106 0.0 52 4 VALIDATED 58180.2 58181
1010010156 16.006 -72.031 301.558 -45.064 58148.7130 58148.7228 0.0 52 4 VALIDATED 58180.2 58181
1010010157 16.009 -72.028 301.556 -45.067 58149.6833 58149.6890 0.0 0 4 VALIDATED 58180.2 58181
1010010158 16.007 -72.032 301.558 -45.063 58150.2544 58150.5884 796.0 52 3 VALIDATED 58180.3 58181
1010010159 16.012 -72.036 301.556 -45.058 58168.4384 58168.7028 992.0 52 5 VALIDATED 58180.3 58182
1010010160 16.010 -72.031 301.556 -45.064 58184.7704 58184.7769 0.0 0 1 VALIDATED 58191.6 58198
1010010161 16.008 -72.033 301.557 -45.062 58185.7359 58185.8063 0.0 52 1 VALIDATED 58191.6 58199
1010010162 16.011 -72.030 301.556 -45.064 58186.9583 58186.9627 315.0 52 1 VALIDATED 58191.6 58200
1010010163 16.011 -72.030 301.556 -45.064 58187.0227 58187.9917 1265.0 52 2 VALIDATED 58193.1 58201
1010010164 16.010 -72.030 301.556 -45.064 58188.0507 58188.9563 940.0 52 2 VALIDATED 58193.1 58202
1010010165 16.009 -72.031 301.557 -45.064 58189.0150 58189.9933 1909.0 52 2 VALIDATED 58193.7 58203
1010010166 16.013 -72.031 301.555 -45.064 58190.3012 58190.9495 522.0 52 2 VALIDATED 58195.8 58204
1010010167 16.008 -72.030 301.557 -45.065 58191.5851 58191.9221 397.0 52 2 VALIDATED 58195.8 58205
1010010168 16.003 -72.034 301.560 -45.061 58192.4960 58192.9619 815.0 52 2 VALIDATED 58196.6 58206
1010010169 16.009 -72.028 301.556 -45.067 58193.0754 58193.9817 3956.0 52 2 VALIDATED 58197.7 58207
1010010170 16.010 -72.028 301.556 -45.067 58194.0416 58194.8901 1292.0 52 3 VALIDATED 58198.8 58208
1010010171 16.009 -72.030 301.557 -45.064 58195.1338 58195.8477 817.0 52 3 VALIDATED 58199.7 58209
1010010172 16.009 -72.028 301.557 -45.066 58196.0991 58196.8840 1339.0 52 3 VALIDATED 58200.6 58210
1010010173 16.007 -72.029 301.557 -45.065 58197.1344 58197.7763 400.0 52 3 VALIDATED 58203.2 58211
1010010174 16.008 -72.031 301.557 -45.064 58198.7412 58198.8092 0.0 52 2 VALIDATED 58203.2 58212
1010010175 16.008 -72.031 301.557 -45.064 58199.0618 58199.5160 1932.0 52 2 VALIDATED 58204.8 58213
1010010176 16.012 -72.033 301.556 -45.061 58200.1551 58200.7398 281.0 52 2 VALIDATED 58204.8 58214
1010010177 16.008 -72.030 301.557 -45.065 58201.3793 58201.9636 825.0 52 2 VALIDATED 58207.9 58215
1010010178 16.002 -72.028 301.559 -45.067 58204.8954 58204.9685 853.0 52 2 VALIDATED 58211.7 58218
1010010179 16.006 -72.028 301.558 -45.067 58205.0241 58205.9991 3367.0 52 1 VALIDATED 58211.7 58219
1010010180 16.009 -72.028 301.556 -45.066 58206.0549 58206.9004 2304.0 52 1 VALIDATED 58211.7 58220
1010010181 16.007 -72.029 301.557 -45.065 58207.0213 58207.8051 5710.0 52 1 VALIDATED 58211.7 58221
1010010182 16.007 -72.031 301.558 -45.064 58208.0537 58208.7801 347.0 52 2 VALIDATED 58212.7 58222
1010010183 16.006 -72.031 301.558 -45.064 58209.5419 58209.5484 0.0 0 3 VALIDATED 58217.7 58223
1010010184 16.006 -72.031 301.558 -45.064 58211.6022 58211.6081 0.0 0 1 VALIDATED 58217.7 58225
1010010185 16.008 -72.031 301.557 -45.063 58234.8602 58234.8734 421.0 52 2 VALIDATED 58239.3 58248
1010010186 16.009 -72.032 301.557 -45.063 58235.0534 58235.9709 2294.0 52 1 VALIDATED 58239.3 58249
1010010187 16.010 -72.031 301.557 -45.063 58236.0232 58236.8026 4033.0 52 2 VALIDATED 58241.0 58250
1010010188 16.009 -72.031 301.557 -45.063 58237.3134 58237.8385 2546.0 52 2 VALIDATED 58241.1 58251
1010010189 16.010 -72.031 301.557 -45.063 58243.5509 58243.5558 307.0 52 2 VALIDATED 58247.2 58257
1010010190 16.020 -72.030 301.552 -45.064 58246.1680 58246.7528 18.0 52 3 VALIDATED 58252.9 58260
1010010191 16.013 -72.033 301.555 -45.061 58247.8470 58247.9847 620.0 52 2 VALIDATED 58253.1 58261
1010010192 16.016 -72.035 301.554 -45.059 58248.0405 58248.1093 602.0 52 2 VALIDATED 58256.9 58262
1010010193 16.018 -72.036 301.554 -45.058 58249.7132 58249.7828 236.0 52 3 VALIDATED 58260.0 58263
1010010194 16.008 -72.040 301.558 -45.054 58253.7053 58253.7092 125.0 52 2 VALIDATED 58260.3 58267
1010010195 16.010 -72.030 301.556 -45.065 58256.1491 58256.9886 4163.0 52 2 VALIDATED 58260.8 58270
1010010196 16.006 -72.033 301.558 -45.062 58258.7917 58258.9773 806.0 52 2 VALIDATED 58263.1 58272
1010010197 16.009 -72.030 301.557 -45.064 58259.9956 58260.8611 1271.0 52 3 VALIDATED 58265.0 58274
1010010198 16.016 -72.031 301.554 -45.064 58261.0333 58261.7616 837.0 52 2 VALIDATED 58265.1 58275
1010010199 16.007 -72.032 301.558 -45.063 58262.5111 58262.8548 1313.0 52 2 VALIDATED 58267.8 58276
1010010201 16.010 -72.030 301.556 -45.065 58263.2278 58263.9415 1963.0 52 1 VALIDATED 58267.9 58277
1010010202 16.009 -72.031 301.557 -45.064 58264.0654 58264.1362 528.0 52 1 VALIDATED 58267.9 58278
1010010203 16.007 -72.031 301.558 -45.064 58283.8118 58283.9942 171.0 15 5 VALIDATED 58291.8 58297
1010010204 15.997 -72.031 301.562 -45.064 58302.7137 58302.7164 151.0 52 3 VALIDATED 58307.1 58316
1010010205 16.010 -72.033 301.557 -45.062 58314.9120 58314.9956 2481.0 52 3 VALIDATED 58318.7 58328
1010010206 16.012 -72.034 301.556 -45.061 58315.3595 58315.5652 1033.4 52 3 VALIDATED 58319.7 58329
1010010207 16.019 -72.035 301.553 -45.060 58316.3968 58316.4018 0.0 52 3 VALIDATED 58322.6 58330
1010010208 16.014 -72.031 301.555 -45.063 58318.7035 58318.9896 8788.0 52 1 VALIDATED 58322.8 58332
1010010209 16.017 -72.035 301.554 -45.059 58320.6342 58320.7905 2299.5 52 3 VALIDATED 58324.6 58334
1010010210 16.008 -72.030 301.557 -45.064 58331.6523 58331.6581 46.0 52 3 VALIDATED 58336.7 58345
1010010211 16.009 -72.031 301.557 -45.064 58336.8472 58336.8551 515.0 52 3 VALIDATED 58340.7 58350
1010010212 16.010 -72.029 301.556 -45.066 58337.1788 58337.5727 1362.0 52 3 VALIDATED 58342.8 58351
1010010213 16.021 -72.036 301.552 -45.059 58338.4678 58338.5350 346.0 52 2 VALIDATED 58342.9 58352
1010010214 16.008 -72.030 301.557 -45.064 58339.5630 58339.9521 486.0 52 3 VALIDATED 58374.8 58353
1010010215 16.008 -72.030 301.557 -45.064 58339.9972 58340.7900 2446.0 52 4 VALIDATED 58374.8 58354
1010010216 16.008 -72.030 301.557 -45.064 58341.1706 58341.9500 1160.0 52 4 VALIDATED 58375.0 58355
1010010217 16.008 -72.030 301.557 -45.065 58342.0718 58342.9810 3292.0 52 3 VALIDATED 58346.7 58356
1010010218 16.008 -72.029 301.557 -45.065 58343.0373 58343.1102 1063.0 52 3 VALIDATED 58347.7 58357
1010010219 16.008 -72.030 301.557 -45.065 58344.1965 58344.2046 344.0 52 3 VALIDATED 58351.1 58358
1010010220 16.008 -72.032 301.557 -45.062 58345.6120 58345.8121 414.0 0 2 VALIDATED 58351.2 58359
1010010221 16.007 -72.031 301.558 -45.064 58348.0533 58348.0662 894.0 52 2 VALIDATED 58352.6 58362
1010010222 16.007 -72.031 301.558 -45.063 58367.9927 58367.9982 0.0 52 1 VALIDATED 58372.2 58381
1010010223 16.007 -72.031 301.558 -45.063 58368.0571 58368.0642 0.0 52 1 VALIDATED 58372.2 58382
1010010224 16.002 -72.032 301.560 -45.063 58373.5704 58373.5771 0.0 52 3 VALIDATED 58379.6 58387
1010010225 16.008 -72.031 301.557 -45.063 58374.5348 58374.6072 22.0 52 3 VALIDATED 58380.6 58388
1010010226 16.009 -72.032 301.557 -45.063 58378.3444 58378.3468 153.0 52 3 VALIDATED 58382.6 58392
1010010227 16.009 -72.032 301.557 -45.063 58379.0521 58379.7617 771.0 52 3 VALIDATED 58385.0 58393
1010010228 15.999 -72.035 301.562 -45.060 58380.0171 58380.9116 2434.0 52 4 VALIDATED 58405.6 58394
1010010229 16.008 -72.031 301.557 -45.063 58381.1109 58381.5649 1199.7 52 4 VALIDATED 58408.6 58395
1010010230 16.009 -72.031 301.557 -45.063 58382.2046 58382.2075 181.0 52 5 VALIDATED 58408.7 58396
1010010231 16.008 -72.029 301.557 -45.066 58412.8676 58412.9365 0.0 52 2 VALIDATED 58416.7 58426
1010010232 16.010 -72.030 301.556 -45.065 58413.0079 58413.3356 1170.0 52 2 VALIDATED 58417.7 58427
1010010233 16.012 -72.029 301.555 -45.066 58415.6331 58415.6424 579.0 52 3 VALIDATED 58419.6 58429
1010010234 16.008 -72.030 301.557 -45.065 58416.0799 58416.6074 2013.0 52 3 VALIDATED 58420.8 58430
1010010235 16.009 -72.032 301.557 -45.063 58424.2661 58424.9891 1548.0 52 3 VALIDATED 58428.7 58438
1010010236 16.010 -72.032 301.556 -45.063 58427.4864 58427.7549 2382.0 52 2 VALIDATED 58431.9 58441
1010010237 16.008 -72.031 301.557 -45.063 58429.6105 58429.6845 1005.0 52 2 VALIDATED 58435.0 58443
1010010238 16.006 -72.031 301.558 -45.064 58433.5178 58433.5271 575.0 52 3 VALIDATED 58437.7 58447
1010010239 15.996 -72.032 301.562 -45.063 58440.7798 58440.8515 705.0 52 2 VALIDATED 58448.0 58454
1010010240 15.996 -72.032 301.563 -45.062 58441.4870 58441.4918 0.0 52 2 VALIDATED 58448.0 58455
1010010241 15.995 -72.033 301.563 -45.062 58442.8373 58442.8448 354.0 52 2 VALIDATED 58448.9 58456
1010010242 16.000 -72.032 301.561 -45.063 58443.3546 58443.3588 46.0 52 2 VALIDATED 58449.0 58457
1010010243 16.007 -72.031 301.558 -45.063 58449.2697 58449.6082 944.0 52 3 VALIDATED 58454.7 58463
1010010244 16.008 -72.031 301.557 -45.063 58450.9449 58450.9540 702.0 52 2 VALIDATED 58454.8 58464
1010010245 16.008 -72.031 301.557 -45.063 58451.0093 58451.9854 4632.0 52 2 VALIDATED 58455.6 58465
1010010246 16.007 -72.032 301.558 -45.063 58452.0395 58452.8220 2739.0 52 3 VALIDATED 58456.8 58466
1010010247 16.009 -72.031 301.557 -45.063 58453.0032 58453.7207 882.0 52 3 VALIDATED 58457.6 58467
1010010248 16.007 -72.030 301.558 -45.064 58454.1049 58454.1104 38.0 52 3 VALIDATED 58458.6 58468
1010010249 16.009 -72.031 301.557 -45.063 58461.9289 58461.9319 185.0 52 3 VALIDATED 58466.7 58475
1010010250 16.015 -72.034 301.554 -45.060 58462.3146 58462.3273 853.0 52 2 VALIDATED 58466.7 58476
1010010251 16.010 -72.031 301.556 -45.064 58464.9676 58464.9718 342.0 52 2 VALIDATED 58468.7 58478
1010010252 16.011 -72.031 301.556 -45.064 58466.6375 58466.8361 1593.0 52 3 VALIDATED 58470.6 58480
1010010253 16.009 -72.031 301.557 -45.064 58469.2715 58469.2872 454.0 52 3 VALIDATED 58473.7 58483
1010010254 16.011 -72.030 301.556 -45.064 58470.9451 58470.9507 272.0 52 2 VALIDATED 58473.8 58484
1010010255 16.009 -72.030 301.557 -45.065 58471.0097 58471.0150 227.0 52 2 VALIDATED 58480.1 58485
1010010256 16.009 -72.031 301.557 -45.064 58473.9673 58473.9799 816.0 52 1 VALIDATED 58480.2 58487
1010010257 16.010 -72.030 301.556 -45.064 58474.4823 58474.9472 3746.0 52 1 VALIDATED 58480.3 58488
1010010258 16.009 -72.030 301.557 -45.064 58475.0000 58475.6491 2295.0 52 1 VALIDATED 58480.3 58489
1010010259 16.014 -72.032 301.555 -45.062 58479.1260 58479.1303 18.0 52 1 VALIDATED 58485.9 58493
1010010260 16.020 -72.032 301.552 -45.063 58481.4144 58481.4215 19.0 52 1 VALIDATED 58486.2 58495
1010010261 16.005 -72.031 301.559 -45.064 58502.3442 58502.3469 166.0 52 3 VALIDATED 58506.7 58516
1010010262 16.006 -72.031 301.558 -45.064 58505.4347 58505.4389 297.0 52 2 VALIDATED 58517.1 58519
1010010263 16.004 -72.029 301.559 -45.065 58505.9970 58506.9060 3736.0 52 2 VALIDATED 58517.2 58520
1010010264 16.006 -72.031 301.558 -45.064 58507.0219 58507.9507 2594.0 52 2 VALIDATED 58519.6 58521
1010010265 16.005 -72.031 301.559 -45.064 58508.1930 58508.9155 2497.0 52 2 VALIDATED 58519.7 58522
1010010266 16.005 -72.031 301.558 -45.063 58509.2222 58509.8162 3203.0 52 1 VALIDATED 58519.8 58523
1010010267 15.999 -72.027 301.561 -45.068 58510.3750 58510.3784 127.0 52 1 VALIDATED 58519.9 58524
1010010268 15.999 -72.033 301.562 -45.062 58525.8840 58525.8869 151.0 52 3 VALIDATED 58535.7 58539
1010010269 16.004 -72.032 301.559 -45.063 58526.7208 58526.7241 191.0 52 2 VALIDATED 58535.8 58540
1010010270 16.009 -72.032 301.557 -45.063 58528.2014 58528.9641 1189.0 52 1 VALIDATED 58536.0 58542
1010010271 16.010 -72.035 301.557 -45.060 58529.0179 58529.9968 3845.0 52 1 VALIDATED 58536.0 58543
1010010272 16.008 -72.031 301.557 -45.064 58533.6678 58533.9343 624.0 52 2 VALIDATED 58539.9 58547
1010010273 16.007 -72.034 301.558 -45.060 58534.6954 58534.7011 217.0 0 3 VALIDATED 58540.8 58548
1010010274 16.011 -72.036 301.556 -45.059 58542.7245 58542.8583 28.0 52 2 VALIDATED 58549.2 58556
1010010275 16.014 -72.031 301.555 -45.064 58543.1080 58543.9565 3578.0 52 2 VALIDATED 58549.2 58557