2024ApJ...969L...7Y

Query : 2024ApJ...969L...7Y

2024ApJ...969L...7Y - Astrophys. J., 969, L7 (2024/July-1)

FAST Discovery of Eight Isolated Millisecond Pulsars in NGC 6517.

YIN D., ZHANG L.-Y., QIAN L., EATOUGH R.P., LI B., LORIMER D.R., DAI Y., LI Y., ZHANG X., LI M., SU T., WU Y., PAN Y., LIAN Y., LIU T., YAN Z. and PAN Z.

Abstract (from CDS):

We present the discovery of eight isolated millisecond pulsars in globular cluster (GC) NGC 6517 using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The spin periods of those pulsars (namely PSR J1801-0857K to R, or NGC 6517K to R) are all shorter than 10 ms. With these discoveries, NGC 6517 is currently the GC with the most known pulsars in the FAST sky. The largest difference in dispersion measure of the pulsars in NGC 6517 is 11.2 cm–3 pc, the second among all GCs. The fraction of isolated pulsars in this GC (16 of 17, 94%) is consistent with previous studies indicating an overabundance of isolated pulsars in the densest GCs, especially in those undergoing cluster core collapse. Considering the FAST GC pulsar discoveries, we modeled the GC pulsar population using the empirical Bayesian method described by Turk and Lorimer with the recent counts. Using this approach, we find that the expected number of potential pulsars in GCs seems to be correlated with the central escape velocity; hence, the GCs Liller 1, NGC 6441, M54 (NGC 6715), and ω-Cen (NGC 5139) are expected to host the largest numbers of pulsars.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Globular star clusters - Millisecond pulsars

Simbad objects: 181

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Number of rows : 181
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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1130 0
3 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1167 0
4 NAME Whiting 1 GlC 02 02 56.8 -03 15 10           ~ 177 0
5 NGC 1261 GlC 03 12 16.21 -55 12 58.4     8.63     ~ 579 0
6 Cl Pal 1 GlC 03 33 20.04 +79 34 51.8   17.2       ~ 267 1
7 NAME E 1 GlC 03 55 02.5 -49 36 52           ~ 229 0
8 NAME Eridanus Star Cluster GlC 04 24 44.5 -21 11 13           ~ 192 1
9 Cl Pal 2 GlC 04 46 05.79720 +31 22 51.0170           ~ 202 0
10 PSR J0514-4002E Psr 05 14 06.68 -40 02 47.7           ~ 17 0
11 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1529 0
12 M 79 GlC 05 24 10.59 -24 31 27.3     8.16     ~ 883 0
13 NGC 2298 GlC 06 48 59.41 -36 00 19.1     8.89     ~ 547 0
14 NGC 2419 GlC 07 38 08.51 +38 52 54.9     10.05     ~ 998 0
15 Koposov 2 GlC 07 58 17.00 +26 15 19.4           ~ 85 1
16 NAME Pyxis Cluster GlC 09 07 57.80 -37 13 17.0           ~ 123 0
17 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1540 0
18 NAME E 3 GlC 09 20 57.07 -77 16 54.8           ~ 185 0
19 NAME Sextans C GlC 10 05 30.96 +00 04 15.4   15.5 13.9     ~ 354 1
20 NGC 3201 GlC 10 17 36.82 -46 24 44.9           ~ 1001 0
21 GCl 17 GlC 11 29 16.80 +28 58 25.0   14.4       ~ 379 1
22 Koposov 1 GlC 11 59 18.40 +12 15 35.8           ~ 81 0
23 NGC 4147 GlC 12 10 06.149 +18 32 31.78   11.45 10.74     ~ 616 0
24 NGC 4372 GlC 12 25 45.43 -72 39 32.7   10.86 9.85     ~ 327 0
25 Cl Ruprecht 106 GlC 12 38 40.20 -51 09 01.0           ~ 413 0
26 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 1069 0
27 NGC 4833 GlC 12 59 33.92 -70 52 35.4           ~ 467 0
28 M 53 GlC 13 12 55.25 +18 10 05.4     7.79     ~ 907 0
29 NGC 5053 GlC 13 16 27.09 +17 42 00.9     9.96     ~ 675 0
30 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
31 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
32 NGC 5286 GlC 13 46 26.81 -51 22 27.3           ~ 485 0
33 C 1353-269 GlC 13 56 21.702 -27 10 03.00           ~ 146 0
34 NGC 5466 GlC 14 05 27.29 +28 32 04.0     9.70     ~ 887 0
35 NGC 5634 GlC 14 29 37.28 -05 58 35.1   10.69 10.05     ~ 333 0
36 NGC 5694 GlC 14 39 36.52 -26 32 18.0           ~ 323 0
37 IC 4499 GlC 15 00 18.57 -82 12 49.6     8.56     ~ 375 0
38 NGC 5824 GlC 15 03 58.612 -33 04 06.70   10.28 9.56     ~ 441 0
39 Cl Pal 5 GlC 15 16 05.30 -00 06 41.0   15.1       ~ 797 1
40 NGC 5897 GlC 15 17 24.40 -21 00 36.4   10.16 8.52     ~ 424 0
41 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
42 NGC 5927 GlC 15 28 00.69 -50 40 22.9           ~ 499 0
43 NGC 5946 GlC 15 35 28.58 -50 39 35.0           ~ 210 0
44 ESO 224-8 OpC 15 39 05.4 -50 03 02           ~ 77 0
45 NGC 5986 GlC 15 46 03.00 -37 47 11.1     6.92     ~ 408 0
46 GCl 38 GlC 16 10 59.00 +14 57 42.0           ~ 399 0
47 Cl Lynga 7 OpC 16 11 03.65 -55 19 04.0           ~ 129 0
48 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 780 0
49 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
50 PSR B1620-26 Psr 16 23 38.2218 -26 31 53.769     21.30     ~ 318 2
51 NGC 6101 GlC 16 25 48.12 -72 12 07.9           ~ 337 0
52 NGC 6144 GlC 16 27 13.86 -26 01 24.6           ~ 268 0
53 NGC 6139 GlC 16 27 39.987 -38 50 57.03   11.03 9.68     ~ 231 0
54 ESO 390-6 GlC 16 28 40.10 -35 21 13.0     12.0     ~ 113 0
55 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 835 0
56 ESO 452-11 GlC 16 39 25.50 -28 23 52.0           ~ 89 0
57 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
58 NGC 6229 GlC 16 46 58.641 +47 31 36.38   9.38 9.86     ~ 397 0
59 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 736 0
60 NAME 2MASS-GC03 GlC 16 52 10.602 -47 03 29.00           ~ 68 0
61 NGC 6235 GlC 16 53 25.36 -22 10 38.8   11.99 7.20     ~ 208 0
62 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 857 0
63 NGC 6256 GlC 16 59 32.68 -37 07 17.1           ~ 182 0
64 GCl 50 GlC 16 59 51.1 -00 32 00   15.70       ~ 224 1
65 M 62 GlC 17 01 12.60 -30 06 44.5           ~ 668 0
66 M 19 GlC 17 02 37.69 -26 16 04.6   8.45 5.57     ~ 406 1
67 NGC 6284 GlC 17 04 28.747 -24 45 51.22   10.72 7.43     ~ 302 0
68 NGC 6287 GlC 17 05 09.4906767360 -22 42 28.099250172   11.49 10.30     ~ 240 0
69 NGC 6293 GlC 17 10 10.42 -26 34 54.2           ~ 309 0
70 NGC 6304 GlC 17 14 32.25 -29 27 43.3           ~ 394 0
71 NGC 6316 GlC 17 16 37.42 -28 08 24.0   10.33 9.03     ~ 247 0
72 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
73 NGC 6325 GlC 17 17 59.27 -23 45 57.7           ~ 190 0
74 M 9 GlC 17 19 11.78 -18 30 58.5   9.36 8.42     ~ 348 0
75 NGC 6342 GlC 17 21 10.14 -19 35 14.7     10.01     ~ 310 0
76 NGC 6356 GlC 17 23 34.99 -17 48 46.9   10.01 7.42     ~ 372 1
77 NGC 6355 GlC 17 23 58.65 -26 21 12.3   12.46 11.05     ~ 183 0
78 NGC 6352 GlC 17 25 29.11 -48 25 19.8           ~ 425 0
79 IC 1257 Bz? 17 27 06.00 -07 05 00.0           ~ 110 0
80 ESO 454-29 GlC 17 27 33.24 -30 48 07.8           ~ 278 0
81 NGC 6366 GlC 17 27 44.24 -05 04 47.5           ~ 344 0
82 GCl 66.1 GlC 17 30 38.90 -31 35 44.0           ~ 139 0
83 ESO 455-11 GlC 17 31 05.20 -29 58 54.0           ~ 208 0
84 NGC 6362 GlC 17 31 54.99 -67 02 54.0           ~ 637 0
85 Liller 1 Cl* 17 33 24.50 -33 23 20.0           ~ 311 0
86 NGC 6380 GlC 17 34 28.00 -39 04 09.0           ~ 175 0
87 ESO 455-23 GlC 17 35 47.80 -30 28 11.0           ~ 285 0
88 NAME Tonantzintla 2 GlC 17 36 10.500 -38 33 12.00           ~ 115 0
89 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 988 1
90 M 14 GlC 17 37 36.15 -03 14 45.3   9.55 5.73     ~ 420 0
91 NGC 6401 GlC 17 38 36.93 -23 54 31.5   11.31 10.71     ~ 203 0
92 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
93 ESO 520-21 GlC 17 43 42.20 -26 13 21.0           ~ 211 0
94 NGC 6426 GlC 17 44 54.71 +03 10 12.5           ~ 244 0
95 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
96 NAME cl Djorgovski 1 GlC 17 47 28.30 -33 03 56.0           ~ 97 0
97 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 948 1
98 NGC 6440 GlC 17 48 52.67 -20 21 34.5           ~ 592 0
99 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 940 0
100 Cl Terzan 6 GlC 17 50 47.02873 -31 16 29.6900           ~ 214 0
101 NGC 6453 GlC 17 50 51.77 -34 35 55.1   10.49       ~ 189 0
102 NAME UKS 1 GlC 17 54 27.20 -24 08 43.0           ~ 118 0
103 NGC 6496 GlC 17 59 03.68 -44 15 57.4   9.96       ~ 251 0
104 PSR J1801-0857J Psr 18 01.0 -08 57           ~ 2 0
105 GCl 80.1 GlC 18 01 38.80 -26 50 23.0           ~ 143 0
106 ESO 456-38 GlC 18 01 49.10 -27 49 33.0           ~ 120 0
107 PSR J1801-0857L Psr 18 01 49.5847 -08 57 08.060           ~ 2 0
108 PSR J1801-0857G Psr 18 01 50.099 -08 57 27.90           ~ 4 0
109 NGC 6517 GlC 18 01 50.376 -08 57 34.39   11.08       ~ 215 0
110 PSR J1801-0857R Psr 18 01 50.52 -08 57 31.6           ~ 2 0
111 PSR J1801-0857Q Psr 18 01 50.52 -08 57 31.6           ~ 2 0
112 PSR J1801-0857P Psr 18 01 50.52 -08 57 31.6           ~ 2 0
113 PSR J1801-0857B Psr 18 01 50.5658 -08 57 32.810           ~ 12 0
114 PSR J1801-0857A Psr 18 01 50.6124 -08 57 31.850           ~ 11 0
115 PSR J1801-0857E Psr 18 01 50.6232 -08 57 31.290           ~ 5 0
116 PSR J1801-0857M Psr 18 01 50.6297 -08 57 31.450           ~ 2 0
117 PSR J1801-0857N Psr 18 01 50.6318 -08 57 34.500           ~ 3 0
118 PSR J1801-0857K Psr 18 01 50.7212 -08 57 32.560           ~ 2 0
119 PSR J1801-0857C Psr 18 01 50.7407 -08 57 32.700           ~ 10 0
120 PSR J1801-0857F Psr 18 01 50.7409 -08 57 31.270           ~ 5 0
121 PSR J1801-0857O Psr 18 01 50.7720 -08 57 33.370           ~ 2 0
122 PSR J1801-0857H Psr 18 01 52.5895 -08 57 53.150           ~ 6 0
123 PSR J1801-0857I Psr 18 01 53.5073 -08 57 41.840           ~ 4 0
124 PSR J1801-0857D Psr 18 01 55.3653 -08 57 24.330           ~ 15 0
125 ESO 521-16 GlC 18 02 57.40 -26 04 00.0           ~ 123 0
126 NGC 6522 GlC 18 03 34.08 -30 02 02.3           ~ 569 0
127 NGC 6535 GlC 18 03 50.51 -00 17 51.5     9.85     ~ 320 0
128 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 561 0
129 NGC 6539 GlC 18 04 49.74 -07 35 09.1           ~ 247 0
130 NGC 6540 GlC 18 06 08.60 -27 45 55.0           ~ 145 0
131 NGC 6544 GlC 18 07 20.58 -24 59 50.4   11.36 9.90     ~ 332 0
132 NGC 6541 GlC 18 08 02.36 -43 42 53.6           ~ 409 0
133 [HJK2000] GC01 GlC 18 08 21.8 -19 49 47           ~ 69 0
134 ESO 280-6 GlC 18 09 06.000 -46 25 24.00           ~ 74 0
135 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 644 0
136 NAME 2MASS-GC02 GlC 18 09 36.5 -20 46 44           ~ 67 0
137 NGC 6558 GlC 18 10 17.6 -31 45 50           ~ 265 0
138 IC 1276 GlC 18 10 44.26 -07 12 27.3           ~ 146 0
139 ESO 522-1 GlC 18 12 15.80 -22 44 31.0     14.86     ~ 114 1
140 NGC 6569 GlC 18 13 38.88 -31 49 35.2   10.78 9.47     ~ 276 0
141 [MCM2005b] 1 OpC 18 13 55 -17 56.9           ~ 17 0
142 ESO 456-78 GlC 18 14 06.600 -28 38 06.00           ~ 82 0
143 [MCM2005b] 2 Cl* 18 16 20 -16 50.8           ~ 13 0
144 NGC 6584 GlC 18 18 37.60 -52 12 56.8     8.17     ~ 317 0
145 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 939 1
146 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 821 0
147 NGC 6638 GlC 18 30 56.25 -25 29 47.1   10.81 9.68     ~ 258 0
148 M 69 GlC 18 31 23.10 -32 20 53.1           ~ 492 0
149 NGC 6642 GlC 18 31 54.23 -23 28 34.1   11.30 10.24     ~ 240 0
150 NGC 6652 GlC 18 35 45.63 -32 59 26.6           ~ 474 0
151 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1459 0
152 ESO 591-12 GlC 18 41 29.90 -19 49 33.0           ~ 130 0
153 M 70 GlC 18 43 12.76 -32 17 31.6           ~ 421 0
154 GLIMPSE C01 GlC 18 48 49.7 -01 29 50           ~ 60 0
155 NGC 6712 GlC 18 53 04.32 -08 42 21.5           ~ 550 0
156 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1164 0
157 NGC 6717 GlC 18 55 06.04 -22 42 05.3           ~ 273 0
158 NGC 6723 GlC 18 59 33.15 -36 37 56.1           ~ 543 0
159 NGC 6749 OpC 19 05 15.36 +01 54 00.0     12.4     ~ 178 0
160 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0
161 NGC 6760 GlC 19 11 12.06 +01 01 49.7   11.37 9.78     ~ 264 0
162 M 56 GlC 19 16 35.57 +30 11 00.5           ~ 455 0
163 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 460 0
164 GCl 111 GlC 19 18 02.10 +18 34 18.0           ~ 138 0
165 Cl Arp 2 GlC 19 28 44.11 -30 21 20.3     12.41     ~ 384 0
166 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 913 0
167 Cl Terzan 8 GlC 19 41 44.41 -33 59 58.1     11.54     ~ 357 0
168 GCl 114 GlC 19 45 14.40 -08 00 26.0     7.54     ~ 165 0
169 GPPS 190 Psr 19 53 37.9464 +18 44 54.310           ~ 20 0
170 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1190 0
171 M 75 GlC 20 06 04.841 -21 55 20.14     8.26     ~ 394 0
172 NGC 6934 GlC 20 34 11.37 +07 24 16.1           ~ 459 0
173 M 72 GlC 20 53 27.70 -12 32 14.3     8.96     ~ 465 0
174 NGC 7006 GlC 21 01 29.465 +16 11 16.49     10.46     ~ 562 0
175 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
176 PSR J2129+1209C Psr 21 30 01.2030 +12 10 38.159           ~ 215 2
177 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 1114 1
178 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1121 0
179 Cl Pal 12 GlC 21 46 38.84 -21 15 09.4     11.89     ~ 548 0
180 GCl 124 GlC 23 06 44.48 +12 46 19.2   15.6       ~ 307 1
181 NGC 7492 GlC 23 08 26.68 -15 36 41.3     10.48     ~ 330 0

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