2025ApJ...991..144Z

Query : 2025ApJ...991..144Z

2025ApJ...991..144Z - Astrophys. J., 991, 144 (2025/October-1)

Flat Tails in Fast Radio Burst and Pulsar Energy Distributions: Implications for Optimizing Nearby Fast Radio Burst Surveys.

ZHANG S.B., HOBBS G., JOHNSTON S., DAI S., LI Y., WANG J.S., YANG X., WU X.F. and STAVELEY-SMITH L.

Abstract (from CDS):

Fast radio bursts (FRBs) are energetic, short-duration radio pulses of unclear origin. To explore effective survey strategies for detecting FRBs from nearby globular clusters (GCs), we investigate the burst energy distribution, which has a strong influence on the detection rate. We reanalyze FRBs and pulsars exhibiting broad energy distributions by fitting their high-energy tails with power-law models. Two cosmological repeating FRBs (FRB 20201124A and FRB 20220912A), one nearby FRB (FRB 20200120E), and two pulsars (RRATs J1846-0257 and J1854+0306) exhibit power-law indices of α ≳ -1, suggesting that their bright pulses contribute significantly to the total radio pulse energy. The brightest bursts from these sources can be fitted with a power-law model (αBri = -0.26 ± 0.05), suggesting that an extremely flat index is required to naturally derive high-luminosity FRBs from low-luminosity sources. We present detailed survey strategies for FAST, MeerKAT, and Parkes cryoPAF in the search for FRBs in nearby GCs using different power-law indices, recommending targets for observation. We suggest that combining observations with FAST (∼3 hr) and Parkes cryoPAF (10-20 hr) is practicable for discovering new FRBs in nearby GCs.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Radio bursts - Radio transient sources - Radio pulsars

Simbad objects: 80

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Number of rows : 80
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 FRB 20180916B rB 01 58 00.750 +65 43 00.30           ~ 457 0
2 NGC 1336 GiG 03 26 32.1845365512 -35 42 48.662672184   13.12   11.95   ~ 150 0
3 ESO 358-4 LSB 03 26 54.1 -35 31 07   18.07   16.90   ~ 22 0
4 MCG-06-08-027 EmG 03 34 29.4927803424 -35 32 47.329271916   14.50       ~ 95 1
5 LEDA 74749 LSB 03 35 11.5 -35 19 22   19.5       ~ 24 0
6 NGC 1374 EmG 03 35 16.5885737352 -35 13 34.563417168 12.46 11.97 11.08 10.59   ~ 322 1
7 NGC 1375 GiG 03 35 16.8025873104 -35 15 56.371399740 13.50 13.02 12.40 11.74   ~ 175 1
8 NGC 1379 GiP 03 36 03.9668625792 -35 26 28.547476800 12.17 12.04 10.91 10.60   ~ 277 1
9 NGC 1380 Sy2 03 36 27.590 -34 58 34.68 11.32 10.94 9.93 9.37   ~ 460 1
10 NGC 1381 GiP 03 36 31.6592184144 -35 17 42.739221912 12.90 12.47 11.50 11.02   ~ 269 1
11 NGC 1380A GiG 03 36 47.5007323848 -34 44 22.739259552 13.63 13.36 12.41 12.00   ~ 156 1
12 MCG-06-09-008 GiP 03 36 54.3158470008 -35 22 28.948080864   14.81       ~ 105 2
13 NGC 1387 Sy2 03 36 57.0337458600 -35 30 23.675934060 12.18 11.75 10.69 10.16   ~ 290 1
14 LEDA 74786 GiC 03 37 08.2 -34 43 52   18.8       ~ 20 0
15 NGC 1382 GiP 03 37 08.9722655064 -35 11 41.995386996 13.19 13.79 12.92 12.31   ~ 135 1
16 NGC 1389 EmG 03 37 11.7427350576 -35 44 45.873195000 12.80 12.39 11.50 10.99   ~ 208 1
17 NGC 1399 rG 03 38 29.083 -35 27 02.67 11.05 9.74 9.59 8.12   ~ 1636 1
18 NGC 1404 rG 03 38 51.917 -35 35 39.81 11.53 10.69 10.00 9.03   ~ 787 1
19 NGC 1400 EmG 03 39 30.851 -18 41 17.25 12.48 12.01 10.96 10.45   ~ 309 1
20 NGC 1427A GiP 03 40 08.6854 -35 37 34.647   13.44   12.68 13.3 ~ 127 1
21 NGC 1407 rG 03 40 11.904 -18 34 49.36   10.64 9.67 9.13   ~ 613 2
22 LEDA 74899 LSB 03 41 00.77 -35 44 31.1   17.6       ~ 36 0
23 NGC 1427 GiG 03 42 19.4455150392 -35 23 33.169251120   11.89   10.44   ~ 298 0
24 NGC 1428 GiG 03 42 22.73 -35 09 14.4   13.77   12.49   ~ 125 0
25 FRB 20201124A rB 05 07 57.600 +26 11 24.00           ~ 307 0
26 FRB 20181119D rB 05 31 58.6980 +33 08 52.588           ~ 933 0
27 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
28 PSR B0540-69 Psr 05 40 11.2000490438 -69 19 54.198559829           ~ 976 3
29 M 81 Sy2 09 55 33.1726556496 +69 03 55.062505368   7.89 6.94     ~ 4725 3
30 FRB 20200120E rB 09 57 56.7 +68 49 32           ~ 219 0
31 NGC 3258 EmG 10 28 53.588 -35 36 19.98   12.50 11.72 10.86   ~ 200 0
32 NGC 3268 EmG 10 30 00.6490581240 -35 19 31.519591284   12.57 11.77 10.68   ~ 163 0
33 Z 42-58 GiG 12 22 41.1481852272 +07 57 01.205409312   15.3       ~ 66 0
34 NGC 4318 GiG 12 22 43.2906579576 +08 11 53.850831504   14.1       ~ 139 0
35 NGC 4365 GiG 12 24 28.228 +07 19 03.07   11.5       ~ 871 0
36 LEDA 40424 LSB 12 24 47.7712423325 +08 59 29.119974220   19       ~ 25 0
37 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1841 2
38 NGC 4387 GiG 12 25 41.6768484264 +12 48 37.804615956 13.42 13.01 12.12   10.87 ~ 409 1
39 MCG+02-32-045 GiC 12 26 05.643 +12 33 34.64   17 14.59   13.61 ~ 43 0
40 M 86 GiG 12 26 11.814 +12 56 45.49 10.32 9.83 8.90   7.50 ~ 1126 1
41 LEDA 40679 GiC 12 26 22.6098 +12 47 11.020   21 17.18   16.40 ~ 35 0
42 IC 3349 GiG 12 26 47.0630055600 +12 27 14.345391348   15.3 13.98   12.95 ~ 90 0
43 IC 3363 GiG 12 27 03.303 +12 33 37.70   15.31 14.54   13.45 ~ 65 1
44 LEDA 40834 G 12 27 18.685 +08 12 46.38   16       ~ 28 0
45 NGC 4431 GiP 12 27 27.3817521552 +12 17 25.041554808 14.17 13.74 12.89     ~ 171 2
46 NGC 4434 GiG 12 27 36.6771662112 +08 09 15.640206876   13.2       ~ 275 0
47 NGC 4435 GiG 12 27 40.503 +13 04 44.48 12.23 11.74 10.80     ~ 474 2
48 Z 42-118 GiG 12 27 54.8304258888 +08 05 25.375209180   15.2 14.72     ~ 77 0
49 LEDA 40966 GiG 12 28 10.273 +12 48 32.12   17.63 18.79   17.88 ~ 17 0
50 LEDA 41019 LSB 12 28 27.461 +14 09 19.40   18       ~ 21 0
51 IC 3388 GiG 12 28 28.0533797328 +12 49 25.325894568   15.4 14.73   13.73 ~ 76 0
52 LEDA 41027 AG? 12 28 30.4812945888 +07 19 29.065774836   16.59 15.79     ~ 29 0
53 NGC 4458 GiP 12 28 57.5613938232 +13 14 30.946545276 13.27 12.93 12.07     ~ 429 2
54 NGC 4459 H2G 12 29 00.0329905416 +13 58 42.826603332   11.6       ~ 567 0
55 LEDA 41130 AG? 12 29 14.6499081360 +07 52 39.046838556   16       ~ 34 0
56 NGC 4464 GiG 12 29 21.2937802368 +08 09 23.807609316   13.5       ~ 242 0
57 GRDG +12 52 GiC 12 29 23.5156350432 +12 27 02.909896992   16 15.29   14.16 ~ 99 0
58 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
59 NGC 4473 GiG 12 29 48.878 +13 25 45.55 11.60 11.16 10.20     ~ 671 1
60 NGC 4474 GiG 12 29 53.5396737408 +14 04 06.881708604   12.6       ~ 278 0
61 NGC 4476 GiG 12 29 59.0772974472 +12 20 55.292203464 13.28 13.01 12.19     ~ 340 1
62 LEDA 41264 G 12 30 05.0700348600 +08 04 23.971869048   16.82 15.13     ~ 81 0
63 LEDA 41286 LSB 12 30 16.017 +13 18 27.13           ~ 23 0
64 NGC 4478 GiP 12 30 17.4160005576 +12 19 42.790577160 12.82 12.36 11.45   10.17 ~ 508 1
65 NGC 4479 GiG 12 30 18.3716396496 +13 34 39.522722196 13.73 13.40 12.44     ~ 197 2
66 NGC 4486B GiG 12 30 31.985 +12 29 24.85   14.5       ~ 428 0
67 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
68 IC 3457 GiG 12 31 51.3438999336 +12 39 25.148930292   14.69 14.56   13.58 ~ 98 1
69 M 60 GiC 12 43 39.9708251934 +11 33 09.688174067   10.3       ~ 1395 1
70 NGC 5813 LIN 15 01 11.2302420864 +01 42 07.141569696 12.00 11.45 10.46 10.06   ~ 673 2
71 NGC 5845 GiG 15 06 00.7823239488 +01 38 01.704838596   13.8 11.20 12.06 9.94 ~ 403 0
72 NGC 5846 rG 15 06 29.253 +01 36 20.29   11.9   9.74   ~ 891 2
73 FRB 20190520B rB 16 02 04.270 -11 17 17.32           ~ 211 0
74 PSR J1846-02 Psr 18 46 15.49 -02 57 36.0           ~ 34 0
75 PSR J1854+0306 Psr 18 54.0 +03 06           ~ 20 0
76 PSR J1913+1333 Psr 19 13 17.975 +13 30 32.80           ~ 44 0
77 NAME Sgr 1935+2154 * 19 34 55.68 +21 53 48.2           ~ 820 1
78 FRB 200428 rB 19 35.0 +21 57           ~ 291 0
79 FRB 20240114A rB 21 27 39.8350 +04 19 45.634           ~ 66 0
80 FRB 20220912A rB 23 09 04.9 +48 42 25           ~ 126 0

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