2022MNRAS.511.5964Z

Query : 2022MNRAS.511.5964Z

2022MNRAS.511.5964Z - Mon. Not. R. Astron. Soc., 511, 5964-5983 (2022/April-3)

A census of X-ray millisecond pulsars in globular clusters.

ZHAO J. and HEINKE C.O.

Abstract (from CDS):

We present a comprehensive census of X-ray millisecond pulsars (MSPs) in 29 Galactic globular clusters (GCs), including 68 MSPs with confirmed X-ray luminosities and 107 MSPs with X-ray upper limits. We compile previous X-ray studies of GC MSPs, and add new analyses of six MSPs (PSRs J1326-4728A, J1326-4728B, J1518+0204C, J1717+4308A, J1737-0314A, and J1807-2459A) discovered in five GCs. Their X-ray spectra are well described by a single blackbody model, a single power-law model, or a combination of them, with X-ray luminosities ranging from 1.9 x 1030to 8.3 x 1031 erg s–1. We find that most detected X-ray MSPs have luminosities between ∼1030 and 3 x 1031 erg s–1. Redback pulsars are a relatively bright MSP population with X-ray luminosities of ∼2 x 1031-3 x 1032 erg s–1. Black widows show a bimodal distribution in X-ray luminosities, with eclipsing black widows between ∼7 x 1030 and 2 x 1031 erg s–1, while the two confirmed non-eclipsing black widows are much fainter, with LX of 1.5-3 x 1030 erg s–1, suggesting an intrinsic difference in the populations. We estimate the total number of MSPs in 36 GCs by considering the correlation between the number of MSPs and stellar encounter rate in GCs, and suggest that between 600 and 1500 MSPs exist in these 36 GCs. Finally, we estimate the number of X-ray-detectable MSPs in the Galactic bulge, finding that 1-86 MSPs with LX > 1033 erg s–1, and 20-900 MSPs with LX > 1032 erg s–1 should be detectable there.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): stars: neutron - pulsars: general - Galaxy: centre - globular clusters: general - X-rays: stars

VizieR on-line data: <Available at CDS (J/MNRAS/511/5964): table10.dat tablea1.dat refs.dat>

Simbad objects: 113

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Number of rows : 113
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 J0024-7204C Psr 00 23 50.371 -72 04 31.44           ~ 65 1
2 PSR J0024-7204M Psr 00 23 54.489 -72 05 30.83           ~ 41 1
3 PSR J0023-7203J Psr 00 23 59.40735 -72 03 58.7914           ~ 91 1
4 PSR J0024-7204Y Psr 00 24 01.4016 -72 04 41.837           ~ 28 1
5 PSR J0024-72L Psr 00 24 03.754 -72 04 56.87           ~ 42 1
6 PSR J0024-72F Psr 00 24 03.907 -72 04 42.47           ~ 54 1
7 PSR J0023-72S Psr 00 24 03.9779 -72 04 42.342           ~ 37 1
8 PSR J0023-72O Psr 00 24 04.637 -72 04 53.71           ~ 66 1
9 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
10 PSR J0024-7204R Psr 00 24 05.670 -72 04 52.62           ~ 52 1
11 PSR J0024-7205Z Psr 00 24 06.0390 -72 05 01.466           ~ 2 0
12 PSR B0021-72W Psr 00 24 06.0580 -72 04 49.088           ~ 87 1
13 PSR J0024-72H Psr 00 24 06.686 -72 04 06.74           ~ 64 1
14 PSR J0024-7204aa Psr 00 24 07.27830 -72 05 19.5212           ~ 16 0
15 PSR J0024-7204ab Psr 00 24 08.1657 -72 04 47.616           ~ 13 0
16 PSR B0021-72T Psr 00 24 08.54 -72 04 38.9           ~ 48 1
17 PSR B0021-72N Psr 00 24 09.193 -72 04 28.83           ~ 40 1
18 PSR J0023-72U Psr 00 24 09.8325 -72 03 59.667           ~ 64 2
19 PSR J0024-7204E Psr 00 24 11.125 -72 05 20.14           ~ 66 1
20 PSR J0024-72D Psr 00 24 13.818 -72 04 43.83           ~ 62 1
21 PSR J0023-72Q Psr 00 24 16.482 -72 04 25.15           ~ 44 1
22 PSR J0024-7201X Psr 00 24 22.38565 -72 01 17.4414           ~ 15 0
23 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1529 0
24 M 53 GlC 13 12 55.25 +18 10 05.4     7.79     ~ 907 0
25 PSR J1326-4728A Psr 13 26 39.670 -47 30 11.64           ~ 7 0
26 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
27 PSR J1326-4728B Psr 13 26 49.563 -47 29 24.62           ~ 10 0
28 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
29 PSR J1400-1431 Psr 14 00 37.00370 -14 31 47.0422           ~ 49 0
30 PSR J1518+0204B Psr 15 18 31.458 +02 05 15.47           ~ 46 1
31 PSR J1518+0204C Psr 15 18 32.8 +02 04 48           ~ 30 0
32 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
33 NAME M 5 PSR A * 15 18 33.3176 +02 05 27.550           ~ 49 2
34 NGC 5986 GlC 15 46 03.00 -37 47 11.1     6.92     ~ 408 0
35 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
36 PSR B1620-26 Psr 16 23 38.2218 -26 31 53.769     21.30     ~ 318 2
37 PSR J1641+3627C Psr 16 41 41.0 +36 27 37           ~ 14 0
38 PSR J1641+3627B Psr 16 41 41.0 +36 27 37           ~ 29 1
39 PSR J1641+3627E Psr 16 41 41.0 +36 27 37           ~ 17 0
40 PSR J1641+3627D Psr 16 41 41.0 +36 27 37           ~ 16 0
41 M 13 GlC 16 41 41.634 +36 27 40.75     5.8     ~ 2291 0
42 PSR J1641+3627F Psr 16 41 44.60580 +36 28 16.0034           ~ 15 0
43 M 12 GlC 16 47 14.18 -01 56 54.7     6.07     ~ 736 0
44 M 10 GlC 16 57 09.05 -04 06 01.1     4.98     ~ 857 0
45 M 62 GlC 17 01 12.60 -30 06 44.5           ~ 668 0
46 PSR J1701-3006B Psr 17 01 12.7010 -30 06 48.868           ~ 36 0
47 PSR J1701-30C Psr 17 01 12.9200 -30 06 59.085           ~ 17 0
48 [LKV2011] CX3 X 17 17 06.500 +43 08 03.31           ~ 3 0
49 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
50 PSR J1717+4308A Psr 17 17 07.39 +43 08 09.4           ~ 14 0
51 NGC 6342 GlC 17 21 10.14 -19 35 14.7     10.01     ~ 310 0
52 ESO 455-23 GlC 17 35 47.80 -30 28 11.0           ~ 285 0
53 PSR J1737-0314A Psr 17 37 35.88794 -03 14 34.7750           ~ 10 0
54 M 14 GlC 17 37 36.15 -03 14 45.3   9.55 5.73     ~ 420 0
55 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
56 Cl* NGC 6397 SAW V31 El? 17 40 42.6230201282 -53 40 27.291274010   16.41 15.95 16.10   ~ 22 0
57 PSR J1740-5340 Psr 17 40 44.589 -53 40 40.90   17.43   16.25   ~ 157 2
58 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
59 PSR B1744-24A Psr 17 48 02.249 -24 46 37.65           ~ 235 0
60 PSR J1748-2446E Psr 17 48 03.411 -24 46 35.59           ~ 21 0
61 PSR J1748-2446K Psr 17 48 03.938 -24 46 47.75           ~ 15 0
62 PSR J1748-2446O Psr 17 48 04.682 -24 46 51.27           ~ 25 0
63 PSR J1748-2446L Psr 17 48 04.726 -24 46 35.88           ~ 15 0
64 PSR J1748-2446Q Psr 17 48 04.9 -24 46 45           ~ 17 0
65 PSR J1748-2446X Psr 17 48 04.9 -24 46 45           ~ 18 0
66 PSR J1748-2446H Psr 17 48 04.9 -24 46 45           ~ 14 0
67 PSR J1748-2446ad Psr 17 48 04.9 -24 46 04           ~ 141 1
68 PSR J1748-2446N Psr 17 48 04.914 -24 46 53.75           ~ 24 0
69 PSR J1748-2446Z Psr 17 48 04.957 -24 46 45.93           ~ 16 0
70 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 948 1
71 PSR J1748-2446P Psr 17 48 05.034 -24 46 41.29           ~ 26 0
72 PSR J1748-2446F Psr 17 48 05.087 -24 46 38.24           ~ 15 0
73 PSR J1748-2446V Psr 17 48 05.102 -24 46 34.49           ~ 19 0
74 NGC 6440 GlC 17 48 52.67 -20 21 34.5           ~ 592 0
75 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 940 0
76 NGC 6517 GlC 18 01 50.376 -08 57 34.39   11.08       ~ 215 0
77 PSR J1801-0857D Psr 18 01 55.3653 -08 57 24.330           ~ 15 0
78 NGC 6522 GlC 18 03 34.08 -30 02 02.3           ~ 569 0
79 NGC 6539 GlC 18 04 49.74 -07 35 09.1           ~ 247 0
80 PSR J1807-2459 Psr 18 07 20.36 -24 59 52.6           ~ 20 2
81 PSR J1807-2459A Psr 18 07 20.36 -24 59 52.6           ~ 30 0
82 NGC 6544 GlC 18 07 20.58 -24 59 50.4   11.36 9.90     ~ 332 0
83 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 939 1
84 PSR J1824-2452A Psr 18 24 32.009 -24 52 11.10           ~ 529 2
85 IGR J18245-2452 LXB 18 24 32.50 -24 52 07.8           ~ 253 0
86 PSR J1824-2452J Psr 18 24 32.8 -24 52 11           ~ 16 0
87 PSR J1824-2452F Psr 18 24 32.8 -24 52 11           ~ 15 0
88 PSR J1824-2452C Psr 18 24 32.8 -24 52 11           ~ 23 1
89 PSR J1824-2452E Psr 18 24 32.8 -24 52 11           ~ 11 0
90 PSR J1824-2452H Psr 18 24 32.8 -24 52 11           ~ 29 0
91 PSR J1824-2452K Psr 18 24 32.810 -24 52 11.20           ~ 5 0
92 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 821 0
93 Cl* NGC 6652 SAW V11 LXB 18 35 44.551 -32 59 38.38         18.72 ~ 23 0
94 NGC 6652 GlC 18 35 45.63 -32 59 26.6           ~ 474 0
95 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1459 0
96 PSR J1836-2354A Psr 18 36 25.4452 -23 54 52.390           ~ 21 0
97 NGC 6712 GlC 18 53 04.32 -08 42 21.5           ~ 550 0
98 NGC 6749 OpC 19 05 15.36 +01 54 00.0     12.4     ~ 178 0
99 PSR J1910-5959B Psr 19 10 52.0556 -59 59 00.861           ~ 20 0
100 PSR J1910-5959F Psr 19 10 52.066 -59 59 09.30           ~ 6 0
101 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0
102 PSR J1910-5959E Psr 19 10 52.1572 -59 59 02.087           ~ 19 0
103 PSR J1910-5959D Psr 19 10 52.4163 -59 59 05.479           ~ 20 0
104 PSR B1907-60C Psr 19 11 05.5561 -60 00 59.680           ~ 33 0
105 NGC 6760 GlC 19 11 12.06 +01 01 49.7   11.37 9.78     ~ 264 0
106 PSR J1910-5959A Psr 19 11 42.7562 -59 58 26.900 22.02 22.13 22.03     DA5 99 1
107 PSR J1953+1846A Psr 19 53 46.44 +18 47 04.7         19.96 ~ 32 0
108 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1190 0
109 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
110 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 1114 1
111 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1121 0
112 PSR J2140-2310A Psr 21 40 22.40610 -23 10 48.7936           ~ 29 0
113 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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