2021ApJ...916..100R

Query : 2021ApJ...916..100R

2021ApJ...916..100R - Astrophys. J., 916, 100-100 (2021/August-1)

Analyzing the Galactic pulsar distribution with machine learning.

RONCHI M., GRABER V., GARCIA-GARCIA A., REA N. and PONS J.A.

Abstract (from CDS):

We explore the possibility of inferring the properties of the Galactic population of neutron stars through machine learning. In particular, in this paper we focus on their dynamical characteristics and show that an artificial neural network is able to estimate with high accuracy the parameters that control the current positions of a mock population of pulsars. For this purpose, we implement a simplified population-synthesis framework (where selection biases are neglected at this stage) and concentrate on the natal kick-velocity distribution and the distribution of birth distances from the Galactic plane. By varying these and evolving the pulsar trajectories in time, we generate a series of simulations that are used to train and validate a suitably structured convolutional neural network. We demonstrate that our network is able to recover the parameters governing the distribution of kick velocity and Galactic height with a mean relative error of about 10–2. We discuss the limitations of our idealized approach and study a toy problem to introduce selection effects in a phenomenological way by incorporating the observed proper motions of 216 isolated pulsars. Our analysis highlights that by increasing the sample of pulsars with accurate proper-motion measurements by a factor of ∼10, one of the future breakthroughs of the Square Kilometre Array, we might succeed in constraining the birth spatial and kick-velocity distribution of the neutron stars in the Milky Way with high precision through machine learning.

Abstract Copyright: © 2021. The American Astronomical Society. All rights reserved.

Journal keyword(s): Neutron stars - Pulsars - Convolutional neural networks - Proper motions - Neural networks

VizieR on-line data: <Available at CDS (J/ApJ/916/100): table5.dat>

Simbad objects: 422

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Number of rows : 422
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 PSR B0011+47 Psr 00 14 17.75 +47 46 33.4           ~ 67 0
2 PSR J0023+0923 Psr 00 23 16.890 +09 23 24.18           ~ 137 0
3 PSR J0024-7204C Psr 00 23 50.371 -72 04 31.44           ~ 65 1
4 PSR J0024-7204M Psr 00 23 54.489 -72 05 30.83           ~ 41 1
5 PSR J0023-7203J Psr 00 23 59.40735 -72 03 58.7914           ~ 91 1
6 PSR J0024-7204X Psr 00 24.0 -72 04           ~ 5 0
7 PSR J0024-7204Z Psr 00 24.0 -72 04           ~ 8 0
8 PSR J0024-7204Y Psr 00 24 01.4016 -72 04 41.837           ~ 28 1
9 PSR J0024-72L Psr 00 24 03.754 -72 04 56.87           ~ 42 1
10 PSR J0024-72F Psr 00 24 03.907 -72 04 42.47           ~ 54 1
11 PSR J0023-72S Psr 00 24 03.9779 -72 04 42.342           ~ 37 1
12 PSR J0023-72O Psr 00 24 04.637 -72 04 53.71           ~ 66 1
13 PSR J0024-7204R Psr 00 24 05.670 -72 04 52.62           ~ 52 1
14 PSR B0021-72W Psr 00 24 06.0580 -72 04 49.088           ~ 87 1
15 PSR J0024-72H Psr 00 24 06.686 -72 04 06.74           ~ 64 1
16 PSR B0021-72I Psr 00 24 07.9330 -72 04 39.669           ~ 68 1
17 PSR J0024-72G Psr 00 24 07.943 -72 04 39.65           ~ 47 1
18 PSR J0024-7204ab Psr 00 24 08.1657 -72 04 47.616           ~ 13 0
19 PSR B0021-72T Psr 00 24 08.54 -72 04 38.9           ~ 48 1
20 PSR B0021-72N Psr 00 24 09.193 -72 04 28.83           ~ 40 1
21 PSR J0023-72U Psr 00 24 09.8325 -72 03 59.667           ~ 64 2
22 PSR J0024-7204E Psr 00 24 11.125 -72 05 20.14           ~ 66 1
23 PSR J0024-72D Psr 00 24 13.818 -72 04 43.83           ~ 62 1
24 PSR J0023-72Q Psr 00 24 16.482 -72 04 25.15           ~ 44 1
25 PSR J0030+0451 Psr 00 30 27.42348 +04 51 39.7144           ~ 596 1
26 PSR B0031-07 Psr 00 34 08.9100 -07 21 56.000           ~ 350 0
27 PSR J0034-05 Psr 00 34 21.8281 -05 34 36.620           ~ 201 0
28 PSR B0037+56 Psr 00 40 32.3899 +57 16 24.833           ~ 44 0
29 PSR J0045-7319 HXB 00 45 35.2606875816 -73 19 03.269105220   15.97 16.18   16.30 B0.5-B2IV-V 193 0
30 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
31 PSR B0052+51 Psr 00 55 45.3981 +51 17 24.601           ~ 52 0
32 PSR J0101-6422 Psr 01 01 11.1163 -64 22 30.171           ~ 63 0
33 PSR B0059+65 Psr 01 02 32.9914 +65 37 13.416           ~ 47 0
34 PSR J0108-1431 Psr 01 08 08.29 -14 31 48.5           ~ 113 0
35 PSR B0105+65 Psr 01 08 22.5049 +66 08 34.499           ~ 81 0
36 PSR J0134-2937 Psr 01 34 18.69390 -29 37 17.1570           ~ 60 0
37 PSR B0136+57 Psr 01 39 19.744 +58 14 31.73     13.41     ~ 163 0
38 PSR J0146+6145 Psr 01 46 22.21 +61 45 03.8   28.100 25.620     ~ 613 0
39 PSR B0144+59 Psr 01 47 44.6434 +59 22 03.284           ~ 69 0
40 PSR B0148-06 Psr 01 51 22.71800 -06 35 02.9800           ~ 112 0
41 PSR B0149-16 Psr 01 52 10.85400 -16 37 53.6300           ~ 130 0
42 PSR J0154+1833 Psr 01 54 36.88273 +18 33 50.7580           ~ 14 0
43 PSR B0154+61 Psr 01 57 49.9434 +62 12 26.648           ~ 127 0
44 PSR J0205+6449 Psr 02 05 37.92 +64 49 42.8           ~ 268 1
45 PSR B0203-40 Psr 02 06 01.29310 -40 28 03.6160           ~ 62 0
46 PSR J0218+42 Psr 02 18 06.3604 +42 32 17.365           ~ 365 2
47 PSR J0248+6021 Psr 02 48 18.642 +60 21 34.70           ~ 63 1
48 PSR B0254-53 Psr 02 55 56.2925 -53 04 21.275           ~ 71 0
49 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
50 PSR B0301+19 Psr 03 04 33.115 +19 32 51.40           ~ 247 0
51 PSR B0320+39 Psr 03 23 26.6619 +39 44 52.403           ~ 139 0
52 PSR B0329+54 Psr 03 32 59.3370698592 +54 34 45.028206408           ~ 690 1
53 PSR B0331+45 Psr 03 35 16.6416 +45 55 53.452           ~ 47 0
54 PSR J0337+1715 Psr 03 37 43.8210968640 +17 15 14.886499572           ~ 113 0
55 PSR J0340+41 Psr 03 40 23.2887 +41 30 45.300           ~ 91 0
56 PSR J0348+0432 Psr 03 48 43.6363173480 +04 32 11.461921260           ~ 311 2
57 PSR B0353+52 Psr 03 57 44.8403 +52 36 57.493           ~ 42 0
58 PSR J0357+32 Psr 03 57 52.161 +32 05 23.63           ~ 104 0
59 PSR B0355+54 Psr 03 58 53.7165 +54 13 13.727           ~ 465 1
60 PSR B0402+61 Psr 04 06 30.0806 +61 38 41.408           ~ 90 1
61 PSR J0437-47 Psr 04 37 15.7994581776 -47 15 08.544351636           DC 1032 0
62 PSR B0450-18 Psr 04 52 34.11900 -17 59 23.1500           ~ 203 1
63 PSR J0453+1559 Psr 04 53 45.41372 +15 59 21.3000           ~ 92 0
64 PSR B0450+55 Psr 04 54 07.709 +55 43 41.51           ~ 174 0
65 PSR B0458+46 Psr 05 02 04.561 +46 54 06.09           ~ 96 0
66 PSR J0509+08 Psr 05 09 22.23485 +08 56 25.0248           ~ 23 0
67 PSR J0514-4002A Psr 05 14 06.6927 -40 02 48.897           ~ 69 1
68 PSR J0520-2553 Psr 05 20 36.185 -25 53 12.29           ~ 26 0
69 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
70 PSR B0523+11 Psr 05 25 56.49800 +11 15 18.8000           ~ 125 1
71 PSR B0525+21 Psr 05 28 52.308 +22 00 01.00     14.30     ~ 370 0
72 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
73 PSR B0538-75 Psr 05 36 30.82900 -75 43 54.6300           ~ 75 0
74 PSR J0538+2813 Psr 05 38 25.06 +28 17 11.0           ~ 224 1
75 PSR B0540+23 Psr 05 43 09.65 +23 29 06.1     14.40     ~ 278 0
76 PSR B0559-05 Psr 06 01 58.97310 -05 27 50.9200           ~ 102 0
77 PSR J0610-2100 Psr 06 10 13.602953 -21 00 27.74435           ~ 116 0
78 PSR B0613-02.0 Psr 06 13 43.977070 -02 00 47.34294           ~ 319 1
79 PSR J0614-3329 Psr 06 14 10.3479 -33 29 54.116           ~ 134 1
80 PSR B0611+22 Psr 06 14 17.0324288405 +22 29 57.017874999           ~ 285 0
81 PSR J0621+10 Psr 06 21 22.11108 +10 02 38.7410           ~ 128 1
82 PSR B0626+24 Psr 06 29 05.7273 +24 15 41.546           ~ 123 0
83 PSR B0628-28 Psr 06 30 49.35000 -28 34 42.1000           ~ 313 1
84 PSR J0633+0632 Psr 06 33 44.136 +06 32 29.48           ~ 93 1
85 PSR J0633+1746 Psr 06 33 54.153 +17 46 12.91           ~ 1308 0
86 PSR J0636+5129 Psr 06 36 04.84645 +51 28 59.9625           ~ 101 0
87 PSR J0645+5158 Psr 06 45 59.08191 +51 58 14.9210           ~ 65 0
88 PSR B0643+80 Psr 06 53 15.090 +80 52 00.22           ~ 65 0
89 PSR B0656+14 Psr 06 59 48.18800 +14 14 19.2000   24.85 24.90     ~ 943 1
90 PSR J0709+0458 Psr 07 09 08.36539 +04 58 51.4941           ~ 17 0
91 PSR J0712-68 Psr 07 11 54.153093 -68 30 47.23387           ~ 120 1
92 PSR J0720-3125 Psr 07 20 24.9620 -31 25 50.083           ~ 12 0
93 PSR B0727-18 Psr 07 29 32.2900 -18 36 42.210           ~ 102 0
94 PSR J0737-3039A Psr 07 37 51.24669 -30 39 40.6895           ~ 317 1
95 PSR J0737-3039B Psr 07 37 51.24927 -30 39 40.7195           ~ 222 1
96 PSR B0736-40 Psr 07 38 32.2620 -40 42 39.420           ~ 212 0
97 PSR B0740-28 Psr 07 42 49.0730 -28 22 43.510           ~ 445 0
98 PSR B0744-53 Psr 07 45 02.3 -53 51 22           ~ 58 0
99 PSR J0751+1807 Psr 07 51 09.1539 +18 07 38.335           ~ 316 1
100 PSR B0751+32 Psr 07 54 40.688 +32 31 56.20           ~ 88 0
101 PSR B0756-15 Psr 07 58 29.06100 -15 28 08.3330           ~ 72 0
102 PSR B0808-47 Psr 08 09 43.83400 -47 53 54.8500           ~ 61 0
103 PSR B0809+74 Psr 08 14 59.500 +74 29 05.70           ~ 425 0
104 PSR B0818-13 Psr 08 20 26.40700 -13 50 56.3200           ~ 229 0
105 PSR J0821-4300 Psr 08 21 58.2 -43 00 22           ~ 129 2
106 PSR J0823+0159 Psr 08 23 09.78731 +01 59 12.6003           DA 244 0
107 PSR J0824+0028 Psr 08 24 24.84022 +00 28 00.5670           ~ 9 0
108 PSR B0823+26 Psr 08 26 51.5068 +26 37 21.297           ~ 541 1
109 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
110 PSR B0834+06 Psr 08 37 05.64620 +06 10 15.8700           ~ 472 0
111 PSR B0835-41 Psr 08 37 21.1943 -41 35 14.563     12.69     ~ 149 0
112 PSR B0844-35 Psr 08 46 06.07120 -35 33 40.9100           ~ 89 0
113 PSR J0900-3144 Psr 09 00 43.95220 -31 44 30.8722           ~ 68 0
114 PSR B0906-17 Psr 09 08 38.22700 -17 39 39.9000           ~ 100 0
115 PSR B0919+06 Psr 09 22 13.85000 +06 38 19.0000           ~ 329 1
116 PSR B0941-56 Psr 09 42 54.42200 -56 57 43.2100           ~ 54 0
117 PSR B0940+16 Psr 09 43 30.10 +16 31 37.0           ~ 79 0
118 PSR B0942-13 Psr 09 44 28.96700 -13 54 41.8800           ~ 87 0
119 PSR B0943+10 Psr 09 46 07.31 +09 51 57.3           ~ 364 1
120 PSR B0950+08 Psr 09 53 09.31210 +07 55 36.9000           ~ 806 2
121 PSR J1012+5307 Psr 10 12 33.4345449600 +53 07 02.548542576     19.5     DA 419 1
122 PSR J1017-7156 Psr 10 17 51.311783 -71 56 41.57398           ~ 61 1
123 PSR J1022+10 Psr 10 22 57.990 +10 01 52.92           ~ 279 2
124 PSR J1023+0038 Psr 10 23 47.6841824712 +00 38 41.005893516     17.31     GV 470 0
125 PSR J1025-07 Psr 10 24 38.6991893112 -07 19 19.045523388     19.81 18.78 18.00 ~ 286 1
126 PSR J1035-6720 Psr 10 35 27.600 -67 20 15.36           ~ 34 0
127 PSR B1039-19 Psr 10 41 36.19100 -19 42 13.7000           ~ 80 0
128 PSR J1045-45 Psr 10 45 50.179671 -45 09 54.05686           ~ 154 1
129 PSR J1047-3032 Psr 10 47 00.813 -30 32 18.00           ~ 19 0
130 PSR J1048+2339 Psr 10 48 43.4339582160 +23 39 53.577436140     19.47     ~ 82 0
131 PSR B1055-52 Psr 10 57 59.0450 -52 26 56.330           ~ 757 0
132 PSR B1112+50 Psr 11 15 38.400 +50 30 12.29           ~ 154 0
133 PSR B1114-41 Psr 11 16 43.08300 -41 22 44.8600           ~ 61 0
134 PSR B1119-54 Psr 11 21 19.23000 -54 44 04.9000           ~ 39 0
135 PSR J1125-58 Psr 11 25 44.352943 -58 25 16.85965           ~ 55 1
136 PSR B1133-55 Psr 11 36 02.23540 -55 25 06.8430           ~ 56 0
137 PSR B1133+16 Psr 11 36 03.09460 +15 51 15.9000           ~ 715 0
138 PSR J1141-6545 Psr 11 41 07.00060 -65 45 19.0500     25.08 24.38   ~ 207 1
139 PSR J1142+01 Psr 11 42 50.1342774 +01 19 35.400210           ~ 29 1
140 PSR B1159-58 Psr 12 02 28.3250 -58 20 33.640           ~ 41 0
141 PSR B1221-63 Psr 12 24 22.2740 -64 07 53.834           ~ 122 0
142 XSS J12270-4859 Psr 12 27 58.7476831464 -48 53 42.824592960           ~ 321 0
143 PSR J1231-1411 Psr 12 31 11.3069 -14 11 43.628           ~ 139 0
144 PSR B1237+25 Psr 12 39 40.386 +24 53 49.87           ~ 497 1
145 PSR J1253-5819 Psr 12 53 28.41800 -58 20 40.4700           ~ 42 0
146 PSR B1254-10 Psr 12 57 04.77960 -10 27 04.7700           ~ 50 0
147 PSR B1257+12 Psr 13 00 03.1075 +12 40 55.155           ~ 546 1
148 CPD-63 2495 HXB 13 02 47.6544015048 -63 50 08.626970292 10.34 10.72 9.98 10.03   O9.5Ve 852 0
149 PSR J1308+2127 Psr 13 08 48.270 +21 27 06.78           ~ 7 0
150 PSR B1309-12 Psr 13 11 52.649 -12 28 01.60           ~ 28 0
151 PSR J1312+00 Psr 13 12 46.6406250 +00 51 00.071969           ~ 41 0
152 PSR B1317-53 Psr 13 20 53.93200 -53 59 04.9670           ~ 59 0
153 PSR B1322+83 Psr 13 21 45.6315 +83 23 39.432           ~ 70 0
154 PSR J1327-0755 Psr 13 27 57.58052 -07 55 29.9180           ~ 25 0
155 PSR B1325-43 Psr 13 28 06.41980 -43 57 44.5000           ~ 79 0
156 PSR J1405-4656 Psr 14 05 21.425 -46 56 02.31           ~ 8 0
157 PSR J1411+2551 Psr 14 11 18.866 +25 51 08.39           ~ 50 0
158 PSR J1417-4402 Psr 14 17 30.5732900514 -44 02 57.497992802     15.84     ~ 32 0
159 PSR J1421-4409 Psr 14 21 20.960491 -44 09 04.57445           ~ 16 0
160 PSR B1426-66 Psr 14 30 40.73200 -66 23 05.5460           ~ 102 0
161 PSR J1431-4715 Psr 14 31 44.6313693632 -47 15 27.399549133           ~ 49 0
162 PSR J1446-4701 Psr 14 46 35.709721 -47 01 26.79678           ~ 82 1
163 PSR B1449-64 Psr 14 53 32.6546 -64 13 16.047           ~ 158 0
164 PSR J1455-3300 Psr 14 55 47.976991 -33 30 46.40280           ~ 165 1
165 PSR B1451-68 Psr 14 56 00.0175876848 -68 43 40.034742348           ~ 203 0
166 PSR J1502-6752 Psr 15 02 18.610 -67 52 16.78           ~ 16 1
167 PSR B1508+55 Psr 15 09 25.674 +55 31 32.90           ~ 322 1
168 PSR J1514-4946 Psr 15 14 19.1142 -49 46 15.528           ~ 55 0
169 PSR J1518+4904 Psr 15 18 16.832 +49 04 34.19           ~ 201 1
170 PSR J1518+0204C Psr 15 18 32.8 +02 04 48           ~ 30 0
171 PSR B1524-39 Psr 15 27 58.82800 -39 31 34.2000     10.58     ~ 50 0
172 PSR B1530+27 Psr 15 32 10.3646 +27 45 49.623           ~ 122 0
173 PSR B1530-53 Psr 15 34 08.3012586672 -53 34 20.547404184           ~ 80 0
174 PSR B1534+11 Psr 15 37 09.9603 +11 55 55.554           ~ 453 1
175 PSR B1535-56 Psr 15 39 14.07000 -56 26 26.2000           ~ 64 0
176 PSR B1540-06 Psr 15 43 30.1373 -06 20 45.332           ~ 131 1
177 PSR B1541+09 Psr 15 43 38.82000 +09 29 16.4000           ~ 215 1
178 PSR J1543-5149 Psr 15 43 44.145289 -51 49 54.71350           ~ 41 1
179 PSR J1550-5418 Psr 15 50 54.18 -54 18 23.9           ~ 463 1
180 PSR J1552-4937 Psr 15 52 13.2709 -49 37 49.744           ~ 3 0
181 PSR J1556-4258 Psr 15 57 00.25445 -42 58 12.3500           ~ 43 0
182 PSR B1556-44 Psr 15 59 41.5290 -44 38 45.740           ~ 140 0
183 PSR J1600-3053 Psr 16 00 51.902514 -30 53 49.45343           ~ 218 0
184 PSR B1557-50 Psr 16 00 53.0150 -50 44 21.300           ~ 119 0
185 PSR J1603-2531 Psr 16 03 04.82530 -25 31 47.9000           ~ 31 0
186 PSR J1604-72 Psr 16 03 35.670781 -72 02 32.82328           ~ 142 0
187 PSR B1600-49 Psr 16 04 22.9760 -49 09 57.980     13.00     ~ 83 0
188 PSR J1605+3249 Psr 16 05 00.0 +32 49 00           ~ 4 0
189 PSR B1604-00 Psr 16 07 12.078 -00 32 40.98           ~ 228 1
190 PSR J1614-2230 Psr 16 14 36.50974 -22 30 31.5420           ~ 452 1
191 PSR B1612+07 Psr 16 14 40.906 +07 37 31.00           ~ 101 0
192 PSR J1622-6617 Psr 16 22 03.667 -66 17 16.98           ~ 13 1
193 PSR J1622-0315 Psr 16 22 59.6408643864 -03 15 37.303251262           ~ 48 0
194 PSR B1620-09 Psr 16 23 17.65800 -09 08 48.9000           ~ 59 0
195 PSR B1620-26 Psr 16 23 38.2218 -26 31 53.769     21.30     ~ 318 2
196 PSR J1628-3205 Psr 16 28 07.0056152 -32 05 48.966980           ~ 66 0
197 PSR J1630+3734 Psr 16 30 36.4672852 +37 34 42.101440           ~ 48 0
198 PSR J1640+2224 Psr 16 40 16.744850 +22 24 08.84119           ~ 210 0
199 PSR J1641+8049 Psr 16 41 20.843 +80 49 52.90           ~ 36 0
200 PSR J1643-1224 Psr 16 43 38.16612 -12 24 58.6334           ~ 260 2
201 PSR B1642-03 Psr 16 45 02.0330 -03 17 57.200           ~ 394 0
202 PSR J1650-1654 Psr 16 50 27.1694 -16 54 42.282           ~ 27 0
203 PSR J1658-5324 Psr 16 58 39.343556 -53 24 06.97315           ~ 47 0
204 PSR B1700-18 Psr 17 03 51.10200 -18 46 13.0000           ~ 64 0
205 PSR B1702-19 Psr 17 05 36.09300 -19 06 39.2000           ~ 191 1
206 PSR J1708-35 Psr 17 08 17.616678 -35 06 22.65950           ~ 29 1
207 PSR J1709-3421 Psr 17 08 57.79000 -34 26 44.0000           ~ 31 0
208 PSR J1709+2313 Psr 17 09 05.792 +23 13 27.85           ~ 36 1
209 PSR B1706-16 Psr 17 09 26.45200 -16 40 59.2000           ~ 247 0
210 PSR J1710+4923 Psr 17 10 04.442 +49 23 11.40           ~ 10 0
211 PSR J1713+0747 Psr 17 13 49.5367813 +07 47 37.450240           ~ 530 1
212 PSR J1719-14 Psr 17 19 10.076221 -14 38 01.00200           ~ 92 2
213 PSR B1718-02 Psr 17 20 57.269 -02 12 23.90           ~ 57 0
214 PSR J1721-2457 Psr 17 21 05.50008 -24 57 06.2260           ~ 37 0
215 PSR B1718-32 Psr 17 22 02.96410 -32 07 45.0700           ~ 101 0
216 PSR B1718-36 Psr 17 22 09.817 -36 32 53.30           ~ 35 0
217 PSR J1723-2837 Psr 17 23 23.1937506912 -28 37 57.210408048   16.81 15.77 15.71   ~ 105 0
218 PSR J1727-2946 Psr 17 27 15.09493 -29 46 36.7970           ~ 19 0
219 PSR J1730-2304 Psr 17 30 21.68471 -23 04 31.2590           ~ 194 1
220 PSR J1731-18 Psr 17 31 17.6072 -18 47 32.740           ~ 46 1
221 PSR B1727-47 Psr 17 31 42.21000 -47 44 38.7000           ~ 166 0
222 PSR J1732-5049 Psr 17 32 47.766068 -50 49 00.31465           ~ 87 0
223 PSR B1730-37 Psr 17 33 26.754 -37 16 54.60           ~ 54 0
224 PSR B1732-07 Psr 17 35 04.9730 -07 24 52.130           ~ 74 0
225 PSR J1738+0333 Psr 17 38 53.966386 +03 33 10.87200           ~ 191 1
226 PSR B1736-29 Psr 17 39 34.28500 -29 03 03.9600           ~ 86 0
227 PSR B1737+13 Psr 17 40 07.3455 +13 11 56.690           ~ 191 0
228 PSR B1737-39 Psr 17 41 18.07900 -39 27 38.1200           ~ 78 0
229 PSR B1738-08 Psr 17 41 22.5629 -08 40 31.711           ~ 98 0
230 PSR J1741+1351 Psr 17 41 31.1499024 +13 51 44.279709           ~ 122 0
231 PSR J1741-2054 Psr 17 41 57.282 -20 54 04.11           ~ 123 1
232 PSR B1740-31 Psr 17 43 36.71000 -31 50 22.7000           ~ 64 0
233 PSR J1744-7619 Psr 17 44 00.993 -76 19 13.95           ~ 36 0
234 PSR J1744-1134 Psr 17 44 29.4220844 -11 34 54.801320           ~ 323 1
235 PSR J1745-0952 Psr 17 45 09.1400 -09 52 39.670           ~ 28 0
236 PSR J1745+1017 Psr 17 45 33.8371 +10 17 52.523           ~ 70 0
237 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
238 PSR J1745-2900 Psr 17 45 40.1640 -29 00 29.818           ~ 358 0
239 PSR B1742-30 Psr 17 45 56.30810 -30 40 23.3000           ~ 182 0
240 PSR J1747-4036 Psr 17 47 48.715690 -40 36 54.79950           ~ 83 0
241 PSR J1751-2857 Psr 17 51 32.686848 -28 57 46.57130           ~ 65 1
242 PSR B1747-46 Psr 17 51 42.18500 -46 57 26.7200           ~ 124 0
243 PSR B1749-28 Psr 17 52 58.70700 -28 06 36.0000           ~ 277 1
244 PSR B1753+52 Psr 17 54 22.9068 +52 01 12.244           ~ 40 0
245 PSR J1756-2251 Psr 17 56 46.63 -22 51 59.4           ~ 153 1
246 PSR B1757-24 Psr 18 01 00.016 -24 51 27.50           ~ 258 1
247 PSR J1801-32 Psr 18 01 25.8890 -32 10 53.720           ~ 22 1
248 PSR J1801-1417 Psr 18 01 51.064902 -14 17 34.54980           ~ 45 0
249 PSR J1802-2124 Psr 18 02 05.334393 -21 24 03.67600           ~ 101 1
250 PSR B1800-21 Psr 18 03 51.40000 -21 37 07.0000           ~ 278 1
251 PSR J1804-27 Psr 18 04 21.13307 -27 17 31.3370           ~ 87 1
252 PSR B1804-08 Psr 18 07 38.02590 -08 47 43.2800           ~ 139 0
253 PSR J1808-2024 Psr 18 08 39.32 -20 24 40.1           ~ 1316 2
254 PSR J1809-1917 Psr 18 09 43.147 -19 17 38.10           ~ 128 1
255 PSR J1809-2332 Psr 18 09 50.250 -23 32 22.68     21.47 19.61 17.48 M5 103 0
256 AX J1809.8-1943 Psr 18 09 51.07 -19 43 51.8           ~ 532 0
257 PSR J1810+17 Psr 18 10 37.2791131488 +17 44 37.425884136           ~ 147 1
258 PSR J1810-2005 Psr 18 10 58.988 -20 05 08.30           ~ 33 0
259 PSR J1811-2405 Psr 18 11 19.854352 -24 05 18.42800           ~ 56 1
260 PSR J1813-2621 Psr 18 13 40.59165 -26 21 57.0550           ~ 6 0
261 PSR J1816+4510 Psr 18 16 35.9342957160 +45 10 33.917516328           ~ 126 0
262 PSR B1813-36 Psr 18 17 05.8883476416 -36 18 04.776876972           ~ 62 0
263 PSR B1817-13 Psr 18 20 19.759 -13 46 15.30           ~ 36 0
264 PSR B1818-04 Psr 18 20 52.5920 -04 27 37.120           ~ 230 0
265 PSR B1821+05 Psr 18 23 30.9731 +05 50 24.310           ~ 136 0
266 PSR J1820-30A Psr 18 23 40.4842 -30 21 39.920           ~ 168 1
267 PSR B1820-31 Psr 18 23 46.81900 -31 06 48.0000           ~ 80 0
268 PSR B1821-19 Psr 18 24 00.43600 -19 45 44.5000           ~ 101 0
269 PSR J1824-2452A Psr 18 24 32.009 -24 52 11.10           ~ 529 2
270 PSR B1822-14 Psr 18 25 02.927 -14 46 52.60           ~ 92 0
271 PSR B1822-09 Psr 18 25 30.62000 -09 35 22.0000           ~ 382 0
272 PSR B1823-13 Psr 18 26 13.06 -13 34 48.1           ~ 460 1
273 PSR B1826-17 Psr 18 29 43.15000 -17 51 13.0000           ~ 136 0
274 PSR B1829-08 Psr 18 32 37.01300 -08 27 03.1600           ~ 79 0
275 PSR B1831-03 Psr 18 33 41.8890 -03 39 04.430           ~ 84 0
276 PSR J1835-1106 Psr 18 35 18.287 -11 06 15.10           ~ 75 0
277 PSR B1833-10.3 Psr 18 35 57.44000 -10 19 51.0000           ~ 35 0
278 PSR B1834-04 Psr 18 36 51.77000 -04 36 37.3000           ~ 42 0
279 PSR B1834-10 Psr 18 36 53.92200 -10 08 09.3900           ~ 66 0
280 PSR B1836-06.7 Psr 18 39 09.803 -06 43 45.20           ~ 16 0
281 PSR B1839+56 Psr 18 40 44.5372 +56 40 54.852           ~ 109 1
282 PSR B1839+09 Psr 18 41 55.92100 +09 12 07.2900           ~ 134 0
283 PSR J1843-1448 Psr 18 43 01.3750 -14 48 12.610           ~ 6 0
284 PSR J1843-1113 Psr 18 43 41.260405 -11 13 31.10310           ~ 86 0
285 PSR B1842+14 Psr 18 44 54.8946 +14 54 14.120           ~ 127 0
286 PSR B1844-04 Psr 18 47 22.8222581784 -04 02 13.031112264           ~ 125 0
287 PSR B1845-01 Psr 18 48 23.59600 -01 23 58.4800           ~ 154 0
288 PSR J1853+1303 Psr 18 53 57.3183 +13 03 44.088           ~ 107 1
289 RX J1856.6-3754 Psr 18 56 35.11 -37 54 30.5     25.7     ~ 456 0
290 PSR J1857+0526 Psr 18 57 15.8572328808 +05 26 31.118999388           ~ 19 0
291 PSR B1855+09 Psr 18 57 36.390620 +09 43 17.20712           DA 569 1
292 PSR B1857-26 Psr 19 00 47.54200 -26 00 44.8000           ~ 195 1
293 PSR B1859+03 Psr 19 01 31.7700 +03 31 04.960           ~ 156 0
294 PSR B1859+07 Psr 19 01 39.02000 +07 16 33.6000     14.03     ~ 88 0
295 PSR J1901-0906 Psr 19 01 53.00700 -09 06 10.9000           ~ 55 0
296 PSR J1902-5105 Psr 19 02 02.8476 -51 05 56.969           ~ 64 0
297 PSR B1900+05 Psr 19 02 42.60000 +05 56 25.8000           ~ 86 0
298 PSR J1903+0327 Psr 19 03 05.7937 +03 27 19.222           ~ 187 1
299 PSR B1900+01 Psr 19 03 29.9860 +01 35 38.530           ~ 133 0
300 PSR J1903-7051 Psr 19 03 38.783931 -70 51 43.58175           ~ 39 0
301 PSR J1904+00 Psr 19 04 12.75 +00 04 05.0           ~ 29 1
302 PSR J1905+0400 Psr 19 05 28.2736 +04 00 10.922           ~ 25 0
303 PSR B1903+07 Psr 19 05 53.62 +07 09 19.4           ~ 43 0
304 PSR J1906+0454 Psr 19 06 47.13970 +04 54 09.0420           ~ 3 0
305 PSR J1907+0919 Psr 19 07 14.31 +09 19 20.1           ~ 13 0
306 PSR B1905+39 Psr 19 07 34.656 +40 02 05.71           ~ 93 0
307 PSR B1907+00 Psr 19 09 35.25200 +00 07 56.8400           ~ 91 0
308 PSR J1909-3744 Psr 19 09 47.42820 -37 44 14.7740           ~ 343 2
309 PSR J1910+1256 Psr 19 10 09.701454 +12 56 25.48680           ~ 108 1
310 PSR B1907-60C Psr 19 11 05.5561 -60 00 59.680           ~ 33 0
311 PSR J1910-5959A Psr 19 11 42.7562 -59 58 26.900 22.02 22.13 22.03     DA5 99 1
312 PSR J1911-11 Psr 19 11 49.2927 -11 14 22.330           ~ 87 1
313 PSR J1911+1347 Psr 19 11 55.204694 +13 47 34.38383           ~ 72 0
314 PSR B1910+20 Psr 19 12 43.3391 +21 04 33.926           ~ 81 0
315 PSR B1911+13 Psr 19 13 24.35200 +14 00 52.5000           ~ 75 0
316 PSR B1911-04 Psr 19 13 54.16240 -04 40 47.5600           ~ 192 0
317 PSR J1915+1606 Psr 19 15 27.99999 +16 06 27.4034     22.5     ~ 1032 1
318 PSR B1913+10 Psr 19 15 29.99300 +10 09 43.5800           ~ 102 0
319 PSR B1915+09 Psr 19 16 32.33300 +09 51 25.9700           ~ 100 0
320 PSR B1915+13 Psr 19 17 39.79400 +13 53 57.1600           ~ 190 0
321 PSR B1916+14 Psr 19 18 23.638 +14 45 06.00           ~ 130 0
322 PSR J1918-0642 Psr 19 18 48.027685 -06 42 34.95735           ~ 146 0
323 PSR B1917+00 Psr 19 19 50.67000 +00 21 39.8000           ~ 120 0
324 PSR J1921+1929 Psr 19 21 23.35070 +19 29 22.2990           ~ 19 0
325 PSR B1919+21 Psr 19 21 44.815 +21 53 02.25           ~ 411 0
326 PSR J1923+2515 Psr 19 23 22.494560 +25 15 40.64360           ~ 53 0
327 PSR B1923+04 Psr 19 26 24.47200 +04 31 31.5400           ~ 75 0
328 PSR B1929+10 Psr 19 32 14.0570 +10 59 33.380           ~ 801 0
329 PSR J1933-6210 Psr 19 33 32.413330 -62 11 46.69324           ~ 48 0
330 PSR B1933+16 Psr 19 35 47.7011639352 +16 16 40.034899524           ~ 328 1
331 PSR B1935+25 Psr 19 37 01.2544 +25 44 13.436           ~ 60 0
332 PSR J1937+1658 Psr 19 37 24.90851 +16 58 42.5530           ~ 5 0
333 PSR B1937+21.4 Psr 19 39 38.560096 +21 34 59.13552           ~ 1142 0
334 PSR B1937-26 Psr 19 41 00.41690 -26 02 05.8840           ~ 84 0
335 PSR B1940-12 Psr 19 43 25.46100 -12 37 42.9000     13.76     ~ 69 0
336 PSR J1944+0907 Psr 19 44 09.32 +09 07 23.2           ~ 65 1
337 PSR J1946+3417 Psr 19 46 25.13182 +34 17 14.6770           ~ 64 0
338 PSR J1946-2913 Psr 19 46 51.75700 -29 13 48.1000           ~ 53 0
339 PSR B1944+17 Psr 19 46 53.044 +18 05 41.24           ~ 252 0
340 PSR B1946+35 Psr 19 48 25.0067 +35 40 11.057           ~ 180 0
341 PSR J1949+3106 Psr 19 49 29.63851 +31 06 03.8289           ~ 42 0
342 PSR J1950+2414 Psr 19 50 45.06390 +24 14 56.9638           ~ 34 0
343 PSR J1952+2630 Psr 19 52.6 +26 30           ~ 44 0
344 PSR B1951+32 Psr 19 52 58.181 +32 52 40.98           ~ 615 2
345 PSR B1952+29 Psr 19 54 22.5107 +29 23 16.150           ~ 149 0
346 PSR B1953+50 Psr 19 55 18.7637 +50 59 55.292           ~ 90 0
347 PSR B1953+29 Psr 19 55 27.8680959374 +29 08 43.499227152           ~ 303 1
348 PSR J1955+6708 Psr 19 55 38.764 +67 08 15.10           ~ 4 0
349 PSR J1955+2527 Psr 19 55 59.39523 +25 27 03.4430           ~ 10 0
350 PSR J1957+2516 Psr 19 57 34.6156739821 +25 16 02.246983345           ~ 23 0
351 PSR J1959+2048 Psr 19 59 36.7643141520 +20 48 14.896407996   21.08 20.16 19.53 18.79 G: 854 3
352 PSR B2002+31 Psr 20 04 52.286 +31 37 10.01           ~ 138 0
353 PSR B2003-08 Psr 20 06 16.36500 -08 07 02.1600           ~ 113 0
354 PSR J2010+3051 Psr 20 10 03.9542 +30 51 18.892           ~ 6 0
355 PSR J2010-1323 Psr 20 10 45.922635 -13 23 56.13270           ~ 93 0
356 PSR B2011+38 Psr 20 13 10.367 +38 45 43.31           ~ 78 0
357 PSR J2016+1948 Psr 20 16 56.7 +19 48 03           ~ 24 1
358 PSR J2017+0603 Psr 20 17 22.7048 +06 03 05.585           ~ 120 1
359 PSR B2016+28 Psr 20 18 03.8999255016 +28 39 54.940329468           ~ 374 0
360 PSR J2019+24 Psr 20 19 31.94900 +24 25 15.3038           ~ 145 1
361 PSR B2020+28 Psr 20 22 37.0671 +28 54 23.104           ~ 330 1
362 PSR B2021+51 Psr 20 22 49.8730 +51 54 50.233           ~ 288 1
363 PSR B2027+37 Psr 20 29 23.872 +37 44 08.17           ~ 46 0
364 [MT91] 213 Psr 20 32 13.1247390384 +41 27 24.346666440 13.12 13.08 11.266     B0Vp 334 0
365 PSR J2033+1736 Psr 20 33 16.9140266736 +17 37 48.047177388   11.59 10.50     ~ 76 0
366 PSR J2042+0246 Psr 20 42 00.0000000 +02 47 59.999828           ~ 23 0
367 PSR J2043+1711 Psr 20 43 20.8828 +17 11 28.941           ~ 129 1
368 PSR J2045+3633 Psr 20 45 01.50504 +36 33 01.4033           ~ 18 0
369 PSR B2043-04 Psr 20 46 00.17600 -04 21 26.3000           ~ 87 0
370 PSR B2044+15 Psr 20 46 39.33600 +15 40 33.6000           ~ 109 0
371 PSR B2045-16 Psr 20 48 35.74000 -16 16 45.0000           ~ 344 0
372 V* LY Aqr Psr 20 51 07.52058 -08 27 37.6100           ~ 236 2
373 PSR J2053+17 Psr 20 53 49.4814 +17 18 44.731           ~ 11 1
374 PSR J2053+4650 Psr 20 53 52.62804 +46 50 51.7181           ~ 17 0
375 PSR J2055+3829 Psr 20 55 10.3065540 +38 29 30.905710           ~ 22 0
376 PSR B2053+36 Psr 20 55 31.3552 +36 30 21.489           ~ 103 0
377 PSR B2053+21 Psr 20 55 39.151 +22 09 27.22           ~ 55 0
378 PSR B2106+44 Psr 21 08 20.57 +44 41 49.4           ~ 71 1
379 PSR B2110+27 Psr 21 13 04.3506 +27 54 01.160           ~ 115 0
380 PSR B2111+46 Psr 21 13 24.3295 +46 44 08.844           ~ 226 1
381 PSR B2113+14 Psr 21 16 13.76100 +14 14 20.3800           ~ 91 0
382 PSR J2124-3358 Psr 21 24 43.834930 -33 58 45.49195           ~ 337 1
383 PSR J2129-5718 Psr 21 29 22.781548 -57 21 14.33356           ~ 122 1
384 PSR J2129-04 Psr 21 29 45.0469239408 -04 29 06.973600236     16.68     ~ 100 0
385 PSR B2127+11 Psr 21 29 58.24650 +12 10 01.2339           ~ 102 2
386 PSR J2129+1210B Psr 21 29 58.632 +12 10 00.31           ~ 31 1
387 PSR J2129+1209C Psr 21 30 01.2030 +12 10 38.159           ~ 215 2
388 PSR J2144-3939 Psr 21 44 12.01000 -39 33 58.4000           ~ 145 0
389 PSR B2145-07.8 Psr 21 45 50.45590 -07 50 18.5900           ~ 336 0
390 PSR B2148+63 Psr 21 49 58.7033 +63 29 44.277           ~ 96 0
391 PSR B2148+52 Psr 21 50 37.7499 +52 47 49.556           ~ 46 0
392 PSR B2154+40 Psr 21 57 01.840 +40 17 45.89           ~ 155 0
393 PSR J2204+27 Psr 22 04 43.609 +27 00 54.69           ~ 10 0
394 PSR B2210+29 Psr 22 12 23.3444 +29 33 05.411           ~ 54 0
395 PSR J2214+3000 Psr 22 14 38.8480 +30 00 38.209           ~ 136 0
396 PSR J2215+51 Psr 22 15 32.6869149432 +51 35 36.400854912           ~ 176 0
397 PSR B2217+47 Psr 22 19 48.139 +47 54 53.93           ~ 230 0
398 PSR J2222-0137 Psr 22 22 06.00015 -01 37 15.7827           ~ 78 0
399 PSR B2223+65 Psr 22 25 52.8627 +65 35 36.371           ~ 342 0
400 PSR J2229+26 Psr 22 29 50.883815 +26 43 57.61393           ~ 121 1
401 PSR J2234+06 Psr 22 34 22 +06 11.0           ~ 76 0
402 PSR J2235+1506 Psr 22 35 43.7001 +15 06 49.060           ~ 41 0
403 PSR J2240+5832 Psr 22 40 42.939 +58 32 37.52           ~ 35 0
404 PSR J2241-5236 Psr 22 41 42.03161 -52 36 36.2492           ~ 143 1
405 PSR J2248-0101 Psr 22 48 26.88400 -01 01 48.0000           ~ 36 0
406 2E 4673 HXB 23 01 08.14 +58 52 44.5           ~ 673 1
407 PSR J2302+4442 Psr 23 02 46.9789 +44 42 22.102           ~ 124 0
408 PSR B2303+30 Psr 23 05 58.3212 +31 00 01.281           ~ 216 0
409 PSR B2306+55 Psr 23 08 13.822 +55 47 36.03           ~ 70 0
410 PSR B2310+42 Psr 23 13 08.5976 +42 53 12.987           ~ 147 0
411 PSR J2317+1439 Psr 23 17 09.235606 +14 39 31.29559           ~ 211 1
412 PSR B2315+21 Psr 23 17 57.8419 +21 49 48.019           ~ 119 0
413 PSR B2319+60 Psr 23 21 55.213 +60 24 30.71     13.80     ~ 200 0
414 PSR J2322+2057 Psr 23 22 22.320041 +20 57 02.50080           ~ 129 1
415 PSR J2322-2650 Psr 23 22 34.638615 -26 50 58.38398           ~ 35 0
416 PSR B2323+63 Psr 23 25 13.3196 +63 16 52.362     13.30     ~ 55 0
417 PSR B2327-20 Psr 23 30 26.98600 -20 05 29.7500           ~ 133 0
418 PSR B2334+61 Psr 23 37 05.779 +61 51 01.69           ~ 206 1
419 PSR J2339-0533 Psr 23 39 38.7412778376 -05 33 05.108592528     18.48     ~ 149 0
420 PSR J2347-0612 Psr 23 46 50.54000 -06 10 01.0400           ~ 68 0
421 PSR B2351+61 Psr 23 54 04.7830 +61 55 46.845           ~ 102 0
422 NAME Local Arm reg ~ ~           ~ 649 0

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