Source List

Observation details report
Detailed source parameters (including errors) in a comma-separated values file

Click on source number for detailed analysis, including spectral fits if applicable

data idnum idradec telescope instrument x y cnts cntserr rate rateerr SNR poisprob sigmaj sigmin incang offax cnts_soft cnts_hard hr hr_err ext var N_H flux vign flags
Report srcpi bgdpi 1 X191227.82+050755.7 xmm mos2 147.028 408.47 870.492 39.2444 0.0890585 0.00401502 27.4746 1 26.5385 26.5385 0 13.7426 T F 2.31671 0 1 dscb
Report srcpi bgdpi 2 X191230.79+050820.8 xmm mos2 136.852 414.231 519.799 22.7991 0.0531798 0.00233254 16.406 1 16.915 16.915 0 14.317 F F 2.32698 0 1 dcs
Report srcpi bgdpi 5 X191218.44+050943.6 xmm mos2 179.245 432.959 247.624 21.5057 0.0253339 0.0022002 7.81554 1 10.875 10.875 0 13.0304 F F 2.26845 0 1 dpb
Report srcpi bgdpi 6 X191150.50+051156.0 xmm mos2 275.223 463.682 248.485 30.4636 0.025422 0.00311667 7.84272 1 25.4227 25.4227 0 12.2412 T F 2.1453 0 1 dcs
Report srcpi bgdpi 8 X191214.62+051136.1 xmm mos2 192.391 459.124 79.2136 38.4224 0.00810421 0.00393094 2.50015 0.99356 9.60603 9.60603 0 13.937 F F 2.23945 0 1 dbcs
Report srcpi bgdpi 9 X191213.00+051119.4 xmm mos2 197.945 455.012 85.4032 16.9305 0.00873744 0.00173213 2.69551 0.996224 10.875 10.875 0 13.4886 F F 2.23612 0 1 dc
Report srcpi bgdpi 10 X191123.93+051037.7 xmm mos2 366.452 445.959 82.9827 14.0818 0.0084898 0.00144068 2.61911 0.99505 10.875 10.875 0 11.7774 F F 2.06086 0 1 dc
Report srcpi bgdpi 11 X191123.77+051104.3 xmm mos2 367.005 451.784 82.6615 13.2797 0.00845694 0.00135862 2.60897 0.99505 10.875 10.875 0 12.1785 F F 2.05685 0 1 dcb
Report srcpi bgdpi 13 X191216.58+051102.6 xmm mos2 185.665 450.858 175.552 18.1401 0.0179604 0.00185588 5.5408 1 10.875 10.875 0 13.7463 F F 2.25145 0 1 d
Report srcpi bgdpi 14 X191121.08+051053.3 xmm mos2 376.254 448.97 82.5785 12.5872 0.00844845 0.00128777 2.60635 0.99505 10.875 10.875 0 12.2856 F F 2.04835 0 1 dbc
Report srcpi bgdpi 15 X191212.29+051055.6 xmm mos2 200.402 448.077 84.438 18.6362 0.00863869 0.00190663 2.66504 0.995864 10.875 10.875 0 12.9698 F F 2.23655 0 1 dbc
Report srcpi bgdpi 16 X191152.58+051039.3 xmm mos2 268.091 446.119 110.906 18.2579 0.0113466 0.00186793 3.50043 0.999705 10.875 10.875 0 10.9306 F F 2.16608 0 1 dbc
Report srcpi bgdpi 17 X191214.05+051033.4 xmm mos2 194.347 443.976 88.8413 16.6146 0.00908918 0.00169981 2.80402 0.997141 10.875 10.875 0 12.9725 F F 2.24588 0 1 dc
Report srcpi bgdpi 18 X191110.15+044954.8 xmm mos2 413.851 159.898 131.159 21.269 0.0134186 0.00217599 4.13967 0.999977 10.875 10.875 0 13.0729 F F 2.16935 0 1 dpcb
Report srcpi bgdpi 19 X191217.46+051026.6 xmm mos2 182.647 442.96 207.654 19.2991 0.0212447 0.00197445 6.554 1 10.875 10.875 0 13.4261 F F 2.2593 0 1 dbc
Report srcpi bgdpi 20 X191121.37+051023.2 xmm mos2 375.253 442.024 110.213 14.6708 0.0112757 0.00150094 3.47856 0.999705 10.875 10.875 0 11.8062 F F 2.05328 0 1 dc
Report srcpi bgdpi 21 X191124.52+051009.7 xmm mos2 364.444 439.043 89.1886 14.7696 0.00912471 0.00151105 2.81498 0.997399 10.875 10.875 0 11.2613 F F 2.0666 0 1 dcbp
Report srcpi bgdpi 22 X191214.44+051009.6 xmm mos2 193.016 438.991 135.206 19.0138 0.0138326 0.00194527 4.26738 0.999986 10.875 10.875 0 12.738 F F 2.25036 0 1 dbc
Report srcpi bgdpi 23 X191216.33+051007.2 xmm mos2 186.5 438.065 160.173 19.4264 0.016387 0.00198747 5.05541 1 10.875 10.875 0 12.9744 F F 2.25766 0 1 dc
Report srcpi bgdpi 24 X191115.33+051004.1 xmm mos2 395.983 438.031 93.464 13.4852 0.00956212 0.00137965 2.94992 0.998232 10.875 10.875 0 12.3467 F F 2.0335 0 1 dbc
Report srcpi bgdpi 27 X191113.38+050953.5 xmm mos2 402.692 435.522 1175.27 45.2354 0.12024 0.00462795 37.094 1 50.32 50.32 0 12.2859 T F 2.03021 0 1 dcs
Report srcpi bgdpi 28 X191213.30+050947.1 xmm mos2 196.908 433.184 119.921 18.9874 0.0122689 0.00194256 3.78498 0.999896 10.875 10.875 0 12.2319 F F 2.24908 0 1 dbc
Report srcpi bgdpi 29 X191123.98+050943.3 xmm mos2 366.286 433.934 92.4871 15.6666 0.00946218 0.00160282 2.91909 0.99805 10.875 10.875 0 10.9863 F F 2.068 0 1 dc
Report srcpi bgdpi 30 X191115.55+050934.8 xmm mos2 395.257 431.119 134.859 15.9314 0.0137971 0.00162991 4.25643 0.999984 10.875 10.875 0 11.9082 F F 2.03804 0 1 dc
Report srcpi bgdpi 31 X191121.24+050928.9 xmm mos2 375.708 430.101 69.2699 13.5472 0.00708687 0.00138599 2.18631 0.985331 10.875 10.875 0 11.0681 F F 2.05976 0 1 dc
Report srcpi bgdpi 33 X191125.51+050936.1 xmm mos2 361.059 431.511 82.0254 29.5247 0.00839188 0.00302062 2.5889 0.994592 15.4676 15.4676 0 10.6898 F F 2.07441 0 1 dcs
Report srcpi bgdpi 34 X191111.51+050933.7 xmm mos2 409.121 430.983 148.531 24.722 0.0151959 0.00252926 4.68796 0.999998 25.143 25.143 0 12.3028 T F 2.02628 0 1 dcs
Report srcpi bgdpi 35 X191118.28+050929.0 xmm mos2 385.876 430.184 106.416 14.8507 0.0108872 0.00151934 3.35871 0.999541 10.875 10.875 0 11.4639 F F 2.04884 0 1 dbc
Report srcpi bgdpi 36 X191116.64+050911.0 xmm mos2 391.509 427.046 62.2125 13.3034 0.00636485 0.00136104 1.96356 0.975157 10.875 10.875 0 11.5096 F F 2.0451 0 1 dc
Report srcpi bgdpi 37 X191113.24+050910.9 xmm mos2 403.179 425.91 75.2677 13.4106 0.00770049 0.00137202 2.37561 0.990959 10.875 10.875 0 11.9614 F F 2.03261 0 1 dc
Report srcpi bgdpi 39 X191210.78+050852.7 xmm mos2 205.565 421.543 99.847 40.9739 0.0102152 0.00419197 3.15139 0.999034 24.4417 24.4417 0 11.5846 T F 2.25656 0 1 dscb
Report srcpi bgdpi 41 X191215.99+050833.4 xmm mos2 187.676 416.909 126.419 19.3918 0.0129337 0.00198394 3.99005 0.999956 10.875 10.875 0 11.7583 F F 2.26842 0 1 dpc
Report srcpi bgdpi 42 X191110.45+050848.7 xmm mos2 412.761 420.644 238.664 22.4452 0.0244173 0.00229634 7.53275 1 25.16 25.16 0 12.1617 T F 2.0231 0 1 dsbc
Report srcpi bgdpi 43 X191113.07+050844.8 xmm mos2 403.764 419.088 63.1292 14.2998 0.00645863 0.00146298 1.99249 0.975157 10.875 10.875 0 11.6114 F F 2.03532 0 1 dbc
Report srcpi bgdpi 45 X191122.40+050842.0 xmm mos2 371.708 419.106 98.926 17.8779 0.0101209 0.00182905 3.12232 0.998929 10.875 10.875 0 10.235 F F 2.07005 0 1 dbc
Report srcpi bgdpi 46 X191118.16+050828.1 xmm mos2 386.286 416.106 110.51 17.6654 0.011306 0.00180731 3.48792 0.999705 10.875 10.875 0 10.6463 F F 2.0562 0 1 dcb
Report srcpi bgdpi 47 X191218.93+050825.5 xmm mos2 177.567 415.308 176.412 34.0195 0.0180484 0.00348047 5.56794 1 24.6539 6.71847 201.44 12.316 A F 2.27835 0 1 dpsc
Report srcpi bgdpi 49 X191106.08+045039.6 xmm mos2 427.827 170.68 107.579 21.0565 0.0110062 0.00215425 3.39544 0.999588 10.875 10.875 0 13.183 F F 2.14862 0 1 d
Report srcpi bgdpi 50 X191225.81+050754.4 xmm mos2 153.951 407.991 217.237 21.3163 0.0222251 0.00218083 6.85647 1 10.875 10.875 0 13.1459 F F 2.30957 0 1 dbc
Report srcpi bgdpi 51 X191233.44+050745.3 xmm mos2 127.753 405.981 159.716 19.3838 0.0163403 0.00198312 5.04099 1 10.875 10.875 0 14.6261 F F 2.33882 0 1 dcpb
Report srcpi bgdpi 52 X191220.69+050748.2 xmm mos2 171.528 406.784 131.863 18.8462 0.0134906 0.00192812 4.16187 0.999977 10.875 10.875 0 12.0979 F F 2.29152 0 1 dcb
Report srcpi bgdpi 53 X191222.48+050730.9 xmm mos2 165.384 402.741 1111.59 33.3405 0.113725 0.003411 35.0842 1 24.8644 24.8644 0 11.8659 T F 2.29544 0 1 dpcs
Report srcpi bgdpi 55 X191229.37+050751.6 xmm mos2 141.713 407.513 219.333 43.3251 0.0224396 0.00443252 6.92262 1 25.6464 25.6464 0 13.5789 T F 2.32162 0 1 dcs
Report srcpi bgdpi 56 X191224.28+050658.7 xmm mos2 159.211 395.355 2992.97 79.5313 0.306205 0.0081367 94.4646 1 49.446 49.446 356.686 12.3694 T F 2.30853 0 1 dcbs
Report srcpi bgdpi 57 X191219.35+050721.8 xmm mos2 176.134 400.663 737.25 38.627 0.0754268 0.00395187 23.2692 1 24.723 24.723 0 11.5052 T F 2.28579 0 1 dsc
Report srcpi bgdpi 58 X191229.11+050714.7 xmm mos2 142.613 400.124 133.297 20.2155 0.0136374 0.00206821 4.20715 0.999982 10.875 10.875 0 13.4899 F F 2.3268 0 1 dpc
Report srcpi bgdpi 59 X191227.13+050706.1 xmm mos2 149.401 396.951 138.018 20.2306 0.0141204 0.00206975 4.35616 0.99999 10.875 10.875 0 12.9523 F F 2.32063 0 1 dbc
Report srcpi bgdpi 61 X191236.86+050634.8 xmm mos2 115.972 391.008 107.512 20.0139 0.0109993 0.00204759 3.39331 0.999588 10.875 10.875 0 14.8338 F F 2.36048 0 1 d
Report srcpi bgdpi 62 X191234.65+050645.7 xmm mos2 123.595 391.077 136.814 20.6499 0.0139971 0.00211265 4.31813 0.999988 10.875 10.875 0 14.3454 F F 2.35091 0 1 dc
Report srcpi bgdpi 65 X191230.56+050715.9 xmm mos2 137.626 399.052 164.297 20.4609 0.0168089 0.00209332 5.18557 1 10.875 10.875 0 13.7527 F F 2.332 0 1 dbc
Report srcpi bgdpi 66 X191233.18+050622.7 xmm mos2 128.634 387.121 93.1283 19.0599 0.00952777 0.00194999 2.93933 0.99805 10.875 10.875 0 13.8886 F F 2.34846 0 1 dpc
Report srcpi bgdpi 67 X191110.42+050305.8 xmm mos2 412.893 342.252 102.648 20.3982 0.0105018 0.0020869 3.2398 0.999294 10.875 10.875 0 8.88533 F F 2.069 0 1 dc
Report srcpi bgdpi 69 X191103.36+045109.6 xmm mos2 437.175 177.569 90.4975 20.7058 0.00925863 0.00211837 2.8563 0.997635 10.875 10.875 0 13.3403 F F 2.13476 0 1 dbc
Report srcpi bgdpi 70 X191112.63+050158.6 xmm mos2 405.291 326.358 363.28 40.5321 0.0371666 0.00414677 11.4659 1 20.5264 20.5264 0 7.66925 T F 2.09246 0 1 dsc
Report srcpi bgdpi 71 X191116.12+050111.7 xmm mos2 393.311 315.567 213.516 41.8212 0.0218445 0.00427867 6.73902 1 16.8114 16.8114 0 6.79142 F F 2.10545 0 1 dsc
Report srcpi bgdpi 73 X191114.02+045404.0 xmm mos2 400.541 217.78 101.334 21.2149 0.0103673 0.00217045 3.19832 0.999216 10.875 10.875 0 9.43357 F F 2.15168 0 1 db
Report srcpi bgdpi 74 X191111.65+045322.6 xmm mos2 408.686 207.285 103.175 21.8297 0.0105556 0.00223335 3.25643 0.999365 10.875 10.875 0 10.3712 F F 2.14825 0 1 db
Report srcpi bgdpi 76 X191117.61+045305.8 xmm mos2 388.22 203.97 140.637 23.0022 0.0143883 0.00235331 4.43882 0.999993 10.875 10.875 0 9.44869 F F 2.17234 0 1 d
Report srcpi bgdpi 77 X191112.82+045239.0 xmm mos2 404.663 197.032 97.6237 21.4837 0.00998769 0.00219796 3.08121 0.998814 10.875 10.875 0 10.6471 F F 2.15815 0 1 dbc
Report srcpi bgdpi 79 X191105.97+045119.4 xmm mos2 428.221 178.987 97.6516 22.1968 0.00999055 0.00227091 3.08209 0.998814 10.875 10.875 0 12.788 F F 2.14309 0 1 db
Report srcpi bgdpi 81 X191112.50+045205.7 xmm mos2 405.754 190.55 98.3615 22.092 0.0100632 0.00226019 3.1045 0.998929 10.875 10.875 0 11.0326 F F 2.16125 0 1 dc
Report srcpi bgdpi 82 X191111.01+045211.0 xmm mos2 410.888 190.985 137.08 23.9219 0.0140244 0.00244741 4.32653 0.999988 10.875 10.875 0 11.2763 F F 2.15507 0 1 dc
Report srcpi bgdpi 83 X191120.76+045131.2 xmm mos2 377.384 182.385 102.138 20.6051 0.0104495 0.00210807 3.22369 0.999216 10.875 10.875 0 10.1761 F F 2.19609 0 1 db
Report srcpi bgdpi 84 X191118.27+045200.6 xmm mos2 385.941 189.256 122.645 22.0575 0.0125476 0.00225666 3.87095 0.999928 10.875 10.875 0 10.1441 F F 2.18315 0 1 db
Report srcpi bgdpi 85 X191102.13+045136.6 xmm mos2 441.416 183.501 98.467 21.3658 0.010074 0.00218589 3.10783 0.998929 10.875 10.875 0 13.3 F F 2.12675 0 1 dpbc
Report srcpi bgdpi 88 X191109.99+044923.1 xmm mos2 414.398 154.43 95.6387 16.3249 0.00978461 0.00167017 3.01856 0.99855 10.875 10.875 0 13.4046 F F 2.17283 0 1 dc
Report srcpi bgdpi 89 X191149.77+051304.0 xmm mos2 277.71 478.797 64.4405 14.5994 0.00659278 0.00149363 2.03388 0.97854 10.875 10.875 0 13.1621 F F 2.13722 0 1 dc
Report srcpi bgdpi 90 X191148.63+051232.1 xmm mos2 281.629 470.939 60.1552 13.7052 0.00615437 0.00140215 1.89863 0.971334 10.875 10.875 0 12.5656 F F 2.13712 0 1 dc
Report srcpi bgdpi 92 X191150.96+051224.0 xmm mos2 273.624 468.828 57.1968 14.5878 0.0058517 0.00149245 1.80525 0.964688 10.875 10.875 0 12.4837 F F 2.14673 0 1 dbc
Report srcpi bgdpi 94 X191152.93+051139.9 xmm mos2 266.887 460.393 63.9459 15.2408 0.00654218 0.00155926 2.01827 0.976901 10.875 10.875 0 11.9626 F F 2.15961 0 1 dbc
Report srcpi bgdpi 95 X191145.15+051141.1 xmm mos2 293.585 460.287 61.4885 14.2076 0.00629077 0.00145355 1.94071 0.973303 10.875 10.875 0 11.7394 F F 2.13084 0 1 dcb
Report srcpi bgdpi 96 X191150.71+051141.4 xmm mos2 274.505 460.077 66.7087 15.3196 0.00682484 0.00156732 2.10547 0.981524 10.875 10.875 0 11.8467 F F 2.15125 0 1 dbc
Report srcpi bgdpi 100 X191145.44+051101.7 xmm mos2 292.6 451.187 241.622 32.0902 0.0247199 0.00328309 7.62611 1 24.5965 24.5965 0 11.2274 T F 2.13287 0 1 dbcs
Report srcpi bgdpi 101 X191127.54+051055.5 xmm mos2 354.08 449.75 58.6405 13.2233 0.0059994 0.00135285 1.85082 0.967032 10.875 10.875 0 11.6884 F F 2.07183 0 1 dcb
Report srcpi bgdpi 103 X191151.89+051021.9 xmm mos2 270.455 442.047 80.0507 17.4698 0.0162982 0.00355683 2.52657 0.99356 10.875 10.875 0 10.6076 F F 2.16578 0 1 dc
Report srcpi bgdpi 104 X191126.44+051027.1 xmm mos2 357.838 442.984 62.1014 13.7998 0.00635347 0.00141183 1.96005 0.973303 10.875 10.875 0 11.3301 F F 2.07145 0 1 dbc
Report srcpi bgdpi 105 X191149.73+051032.7 xmm mos2 277.874 444.861 75.4436 16.2744 0.00771849 0.001665 2.38116 0.990959 10.875 10.875 0 10.7199 F F 2.15645 0 1 dc
Report srcpi bgdpi 106 X191146.56+051015.1 xmm mos2 288.742 440.475 81.7491 17.4671 0.0165235 0.00353053 2.58018 0.994592 10.875 10.875 0 10.3217 F F 2.14705 0 1 dbc
Report srcpi bgdpi 112 X191118.46+051019.1 xmm mos2 385.246 441.399 54.5263 29.9366 0.00557849 0.00306276 1.72097 0.956819 23.9253 23.9253 0 11.5531 T F 2.05106 0 1 dbcs
Report srcpi bgdpi 114 X191125.61+050908.4 xmm mos2 360.685 425.183 67.7559 16.3999 0.00693198 0.00167784 2.13852 0.982878 10.875 10.875 0 10.2375 F F 2.07849 0 1 dc
Report srcpi bgdpi 115 X191127.81+050935.6 xmm mos2 353.127 431.144 81.0062 16.9381 0.00828759 0.00173291 2.55673 0.994096 10.875 10.875 0 10.4063 F F 2.08311 0 1 dbc
Report srcpi bgdpi 116 X191148.43+050910.4 xmm mos2 282.339 425.546 98.271 18.6484 0.0178839 0.00339375 3.10164 0.998929 10.875 10.875 0 9.28901 F F 2.16222 0 1 d
Report srcpi bgdpi 117 X191122.58+050924.8 xmm mos2 371.1 428.975 60.6835 13.4579 0.00620841 0.00137685 1.9153 0.971334 10.875 10.875 0 10.8314 F F 2.06522 0 1 dc
Report srcpi bgdpi 118 X191123.49+050913.1 xmm mos2 367.993 426.238 182.202 28.7187 0.0186408 0.00293816 5.75069 1 17.9456 17.9456 0 10.3769 F F 2.07201 0 1 dbsc
Report srcpi bgdpi 120 X191145.74+050841.5 xmm mos2 291.557 419.43 88.0497 19.0938 0.0152675 0.00331081 2.77904 0.996861 10.875 10.875 0 8.78616 F F 2.15604 0 1 d
Report srcpi bgdpi 122 X191115.42+050810.8 xmm mos2 395.689 411.444 73.3367 16.4909 0.00750294 0.00168715 2.31466 0.989341 10.875 10.875 0 10.8092 F F 2.04835 0 1 dc
Report srcpi bgdpi 123 X191120.41+050808.3 xmm mos2 378.566 412.406 81.0172 17.346 0.00828871 0.00177464 2.55708 0.994096 10.875 10.875 0 10.1006 F F 2.06702 0 1 dc
Report srcpi bgdpi 124 X191217.10+050712.8 xmm mos2 183.862 397.96 83.5078 18.8377 0.0164449 0.00370965 2.63568 0.995473 10.875 10.875 0 11.0029 F F 2.28284 0 1 dbc
Report srcpi bgdpi 125 X191112.15+050314.2 xmm mos2 406.954 343.73 271.435 42.6793 0.0277701 0.00436645 8.56707 1 21.7425 21.7425 0 8.4634 T F 2.07513 0 1 dsc
Report srcpi bgdpi 126 X191122.56+050237.9 xmm mos2 371.186 336.695 81.1347 16.0204 0.0149817 0.00295821 2.56078 0.994096 10.875 10.875 0 5.95921 F F 2.11728 0 1 d
Report srcpi bgdpi 127 X191119.58+050229.2 xmm mos2 381.429 333.849 93.4023 19.3744 0.0170855 0.00354403 2.94798 0.998232 10.875 10.875 0 6.5418 F F 2.10742 0 1 d
Report srcpi bgdpi 128 X191116.17+050216.5 xmm mos2 393.147 330.401 100.218 19.2361 0.01941 0.0037256 3.1631 0.999129 10.875 10.875 0 7.24703 F F 2.09649 0 1 dc
Report srcpi bgdpi 129 X191119.03+050050.9 xmm mos2 383.308 310.276 85.3195 19.5439 0.0144559 0.00331137 2.69287 0.996224 10.875 10.875 0 6.21277 F F 2.118 0 1 dc

counts and rate are bgd.-subtracted, based on simple spatial fitting (if done) or extracted counts from aperture otherwise (N.B., in either case aperture counts are given csv file).
cntserr, rateerr = Error on (source) counts and count rate, based on error in total counts
SNR = signal-to-noise ratio, computed using Nsrc/sqrt(Nbgd)
poisprob = Poisson probability of observing total counts given bgd. counts
sigmaj, sigmin = source extent (from detection output or spatial fitting) in units of arcsecs.
incang = position angle of source (inclination from x-axis)
cnts_soft = bgd.-subtracted counts in soft band (0.50 - 2.00 KeV, always taken directly from source aperture rather than model fitting)
cnts_hard = bgd.-subtracted counts in hard band (2.00 - 10.00 KeV, always taken directly from source aperture rather than model fitting)
hr, hr_err = hardness ratio ([cnts_hard-cnts_soft]/[cnts_hard+cnts_soft]) and error
ext = source extension flag: F = false (not extended), A = true (extended), A = asymetric (ratio of sigmaj/sigmin > 1 + x, where x = 0.5 by default)
var = variability flag: U = unknown, F = false (is not variable), T = true
N_H = Galactic column density as determined from LHEASOFT nh program
flux = flux determined from count rate using pimms (in the 0.30-8.00 keV bandpass for a power-law model with ph. index = 1.8)
vign = vignetting correction
Flags: d = detection parameters, s = simple spatial fitting parameters, b = simple spatial fitting failed, p = poor simple spatial fit, x = extracted events parameters, t = temporal anaylsis parameters, i = psf spatial fitting parameters, f = spectral fitting parameters, c = source is confused, u = user-defined source, v = detected source coincident with user-defined source, r = source is in region-of-interest