Table 2.
Number of detected (network S/N > 8) BNS mergers per year within z = 1.5 for different GW detector configurations.
| Detector | Ω | All orientation BNSs |
|||
|---|---|---|---|---|---|
| [deg2] | 15 min | 5 min | 1 min | 0 min | |
| ET | 10 | 4 [0, 4] | 5 [0, 9] | 8 [0, 11] | 14 [1, 27] |
| 30 | 16 [0, 22] | 25 [2, 40] | 42 [3, 72] | 81 [6, 157] | |
| 100 | 63 [4, 117] | 130 [8, 255] | 208 [16, 435] | 436 [33, 919] | |
| 1000 | 445 [26, 1024] | 948 [61, 2225] | 1511 [89, 3429] | 3130 [194, 7021] | |
| ET+LVIK+ | 1 | n.d. | n.d. | n.d. | 38 [3, 91] |
| 10 | 4 [0, 4] | 6 [0, 9] | 9 [0, 13] | 1296 [72, 3094] | |
| 30 | 16 [0, 22] | 25 [2, 40] | 47 [3, 89] | 7790 [418, 17106] | |
| 100 | 63 [4, 117] | 131 [8, 256] | 244 [16, 503] | 37046 [2034, 78383] | |
| 1000 | 445 [26, 1024] | 956 [61, 2237] | 1764 [107, 4047] | 99040 [5312, 203579] | |
| ET+2VOY | 1 | n.d. | n.d. | n.d. | 30 [3, 112] |
| 10 | 4 [0, 4] | 6 [0, 9] | 11 [2, 21] | 927 [105, 4200] | |
| 30 | 16 [0, 22] | 26 [2, 41] | 55 [3, 125] | 5202 [603, 23345] | |
| 100 | 63 [4, 117] | 132 [9, 267] | 292 [22, 751] | 25775 [2161, 84612] | |
| 1000 | 445 [26, 1025] | 984 [63, 2339] | 2189 [163, 6222] | 85799 [5342, 205575] | |
| ET+CE | 1 | n.d. | 4 [0, 3] | 3 [0, 11] | 177 [9, 400] |
| 10 | 12 [0, 13] | 51 [2, 112] | 185 [10, 430] | 6656 [366, 14836] | |
| 30 | 37 [1, 66] | 253 [15, 587] | 915 [47, 2107] | 36782 [2022, 78357] | |
| 100 | 168 [11, 369] | 1325 [73, 3034] | 5075 [263, 11255] | 123303 [6422, 250439] | |
| 1000 | 1229 [69, 2862] | 15497 [896, 34487] | 69423 [3703, 144222] | 194834 [10065, 388038] | |
| ET+2CE | 0.1 | n.d. | n. d. | n. d. | 158 [9, 354] |
| 1 | 1 [0, 3] | 7 [0, 8] | 30 [0, 58] | 5999 [348, 13383] | |
| 10 | 16 [0, 22] | 125 [7, 320] | 675 [41, 1570] | 105931 [5628, 215840] | |
| 30 | 58 [2, 119] | 624 [39, 1446] | 3070 [164, 7023] | 173679 [9097, 348009] | |
| 100 | 247 [19, 550] | 2784 [150, 6498] | 15910 [867, 34921] | 219966 [11419, 438414] | |
| 1000 | 1640 [91, 3831] | 25848 [1494, 57007] | 135482 [7130, 276082] | 243459 [12537, 483247] | |
Notes. ET as a single detector; ET plus second-generation detectors including phase plus LIGO-L, LIGO-H, LIGO-I, Virgo, and KAGRA; ET plus two Voyager located in USA; ET plus CE(40 km) located in USA; ET plus two CE(40 km), one in USA and one in Australia. The three pre-merger scenarios (15, 5, and 1 min before the merger) and the scenario at the time of the merger are shown in different columns. For each detector configuration, the rows give the number of detections with sky-localization (90%c.l.) within 10, 30, 100, and 1000 deg2. When the number of detections is nonnegligible, rows are added for 1 and 0.1 deg2. We show the number of detected BNS mergers for our fiducial BNS population (αCE = 3) and in square brackets the number for the pessimistic (αCE = 0.5) and optimistic (αCE = 5) BNS populations. The number of GW detections per year is obtained assuming a duty cycle of 0.85 (see text). The flag “n.d.” indicates no detection.
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