2014MNRAS.439.2033G

Query : 2014MNRAS.439.2033G

2014MNRAS.439.2033G - Mon. Not. R. Astron. Soc., 439, 2033-2042 (2014/April-1)

On the non-detection of γ-rays from energetic millisecond pulsars - dependence on viewing geometry.

GUILLEMOT L. and TAURIS T.M.

Abstract (from CDS):

Millisecond pulsars (MSPs) and normal non-recycled pulsars are both detected in γ-rays. However, it appears that a much larger fraction of known energetic and nearby MSPs are detected in γ-rays, in comparison with normal pulsars, thereby making undetected γ-ray MSPs exceptions. In this paper, we demonstrate that the viewing angles (i.e. between the pulsar spin axis and the line of sight) are well described by the orbital inclination angles which, for binary MSPs with helium white dwarf companions, can be determined using the relationship between the orbital period and the white dwarf mass. We use the predicted viewing angles, in complement with values obtained from other constraints when available, to identify the causes of non-detection of energetic and nearby MSPs from the point of view of beaming geometry and orientation. We find evidence for slightly different viewing angle distributions, and postulate that energetic and nearby MSPs are mainly undetected in γ-rays simply because they are seen under unfavourable (i.e. small) viewing angles. We finally discuss the magnetic fields of γ-ray detected pulsars and show that pulsars which are efficient at converting their rotational energy into γ-ray emission may have overestimated dipolar magnetic field strengths.

Abstract Copyright: © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2014)

Journal keyword(s): stars: neutron - pulsars: general - pulsars: individual: J0218+4232 - pulsars: individual: J0034-0534 - pulsars: individual: J1327-0755 - pulsars: individual: B1855+09 - gamma-rays: general

Simbad objects: 77

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Number of rows : 77
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 J0030+0451 Psr 00 30 27.42348 +04 51 39.7144           ~ 596 1
2 PSR J0034-05 Psr 00 34 21.8281 -05 34 36.620           ~ 201 0
3 PSR J0101-6422 Psr 01 01 11.1163 -64 22 30.171           ~ 63 0
4 PSR J0218+42 Psr 02 18 06.3604 +42 32 17.365           ~ 365 2
5 PSR J0407+16 Psr 04 07 54.939 +16 07 16.40           ~ 35 1
6 PSR J0437-47 Psr 04 37 15.7994581776 -47 15 08.544351636           DC 1032 0
7 PSR J0610-2100 Psr 06 10 13.602953 -21 00 27.74435           ~ 116 0
8 PSR B0613-02.0 Psr 06 13 43.977070 -02 00 47.34294           ~ 319 1
9 PSR J0614-3329 Psr 06 14 10.3479 -33 29 54.116           ~ 134 1
10 PSR J0621+10 Psr 06 21 22.11108 +10 02 38.7410           ~ 128 1
11 PSR J0737-3039A Psr 07 37 51.24669 -30 39 40.6895           ~ 317 1
12 PSR J0751+1807 Psr 07 51 09.1539 +18 07 38.335           ~ 316 1
13 PSR J1012+5307 Psr 10 12 33.4345449600 +53 07 02.548542576     19.5     DA 419 1
14 PSR J1017-7156 Psr 10 17 51.311783 -71 56 41.57398           ~ 61 1
15 PSR J1022+10 Psr 10 22 57.990 +10 01 52.92           ~ 279 2
16 PSR J1023+0038 Psr 10 23 47.6841824712 +00 38 41.005893516     17.31     GV 470 0
17 PSR J1045-45 Psr 10 45 50.179671 -45 09 54.05686           ~ 154 1
18 PSR J1125-58 Psr 11 25 44.352943 -58 25 16.85965           ~ 55 1
19 PSR J1125-6014 Psr 11 25 55.243299 -60 14 06.80942           ~ 61 0
20 PSR J1216-6410 Psr 12 16 07.321183 -64 10 09.16656           ~ 23 0
21 PSR J1231-1411 Psr 12 31 11.3069 -14 11 43.628           ~ 139 0
22 PSR J1327-0755 Psr 13 27 57.58052 -07 55 29.9180           ~ 25 0
23 PSR J1400-1431 Psr 14 00 37.00370 -14 31 47.0422           ~ 49 0
24 PSR J1455-3300 Psr 14 55 47.976991 -33 30 46.40280           ~ 165 1
25 PSR J1543-5149 Psr 15 43 44.145289 -51 49 54.71350           ~ 41 1
26 PSR J1600-3053 Psr 16 00 51.902514 -30 53 49.45343           ~ 218 0
27 PSR J1604-72 Psr 16 03 35.670781 -72 02 32.82328           ~ 142 0
28 PSR J1614-2230 Psr 16 14 36.50974 -22 30 31.5420           ~ 452 1
29 PSR J1618-3919 Psr 16 18 18.82500 -39 21 01.8320           ~ 32 0
30 PSR J1622-6617 Psr 16 22 03.667 -66 17 16.98           ~ 13 1
31 PSR J1640+2224 Psr 16 40 16.744850 +22 24 08.84119           ~ 210 0
32 PSR J1643-1224 Psr 16 43 38.16612 -12 24 58.6334           ~ 260 2
33 PSR J1708-35 Psr 17 08 17.616678 -35 06 22.65950           ~ 29 1
34 PSR J1709+2313 Psr 17 09 05.792 +23 13 27.85           ~ 36 1
35 PSR J1713+0747 Psr 17 13 49.5367813 +07 47 37.450240           ~ 530 1
36 PSR J1732-5049 Psr 17 32 47.766068 -50 49 00.31465           ~ 87 0
37 PSR J1738+0333 Psr 17 38 53.966386 +03 33 10.87200           ~ 191 1
38 PSR J1741+1351 Psr 17 41 31.1499024 +13 51 44.279709           ~ 122 0
39 PSR J1744-1134 Psr 17 44 29.4220844 -11 34 54.801320           ~ 323 1
40 PSR J1745-0952 Psr 17 45 09.1400 -09 52 39.670           ~ 28 0
41 PSR J1748-3009 Psr 17 48 23.79 -30 09 12.2           ~ 14 0
42 PSR J1751-2857 Psr 17 51 32.686848 -28 57 46.57130           ~ 65 1
43 PSR J1801-32 Psr 18 01 25.8890 -32 10 53.720           ~ 22 1
44 PSR J1802-2124 Psr 18 02 05.334393 -21 24 03.67600           ~ 101 1
45 PSR J1804-27 Psr 18 04 21.13307 -27 17 31.3370           ~ 87 1
46 PSR J1811-2405 Psr 18 11 19.854352 -24 05 18.42800           ~ 56 1
47 PSR J1816+4510 Psr 18 16 35.9342957160 +45 10 33.917516328           ~ 126 0
48 PSR J1835-0115 Psr 18 35 13.90 -01 15 17.0           ~ 10 0
49 PSR J1841+0130 Psr 18 41 17.761 +01 30 19.60           ~ 16 1
50 PSR J1844+0115 Psr 18 44 40.5474 +01 15 34.974           ~ 12 0
51 PSR J1850+0124 Psr 18 50 01.0139 +01 24 34.610           ~ 14 0
52 PSR J1853+1303 Psr 18 53 57.3183 +13 03 44.088           ~ 107 1
53 PSR B1855+09 Psr 18 57 36.390620 +09 43 17.20712           DA 569 1
54 PSR J1900+0308 Psr 19 00 50.5548 +03 08 24.079           ~ 9 0
55 PSR J1902-5105 Psr 19 02 02.8476 -51 05 56.969           ~ 64 0
56 PSR J1903+0327 Psr 19 03 05.7937 +03 27 19.222           ~ 187 1
57 PSR J1909-3744 Psr 19 09 47.42820 -37 44 14.7740           ~ 343 2
58 PSR J1910+1256 Psr 19 10 09.701454 +12 56 25.48680           ~ 108 1
59 PSR J1911-11 Psr 19 11 49.2927 -11 14 22.330           ~ 87 1
60 PSR J1918-0642 Psr 19 18 48.027685 -06 42 34.95735           ~ 146 0
61 PSR J1933-6210 Psr 19 33 32.413330 -62 11 46.69324           ~ 48 0
62 PSR J1935+1726 Psr 19 35 03.948 +17 26 28.46           ~ 12 0
63 PSR B1937+21.4 Psr 19 39 38.560096 +21 34 59.13552           ~ 1142 0
64 PSR J1949+3106 Psr 19 49 29.63851 +31 06 03.8289           ~ 42 0
65 PSR B1953+29 Psr 19 55 27.8680959374 +29 08 43.499227152           ~ 303 1
66 PSR J1959+2048 Psr 19 59 36.7643141520 +20 48 14.896407996   21.08 20.16 19.53 18.79 G: 854 3
67 PSR J2017+0603 Psr 20 17 22.7048 +06 03 05.585           ~ 120 1
68 PSR J2019+24 Psr 20 19 31.94900 +24 25 15.3038           ~ 145 1
69 PSR J2033+1736 Psr 20 33 16.9140266736 +17 37 48.047177388   11.59 10.50     ~ 76 0
70 PSR J2043+1711 Psr 20 43 20.8828 +17 11 28.941           ~ 129 1
71 PSR J2124-3358 Psr 21 24 43.834930 -33 58 45.49195           ~ 337 1
72 PSR J2129-5718 Psr 21 29 22.781548 -57 21 14.33356           ~ 122 1
73 PSR J2214+3000 Psr 22 14 38.8480 +30 00 38.209           ~ 136 0
74 PSR J2215+51 Psr 22 15 32.6869149432 +51 35 36.400854912           ~ 176 0
75 PSR J2229+26 Psr 22 29 50.883815 +26 43 57.61393           ~ 121 1
76 PSR J2302+4442 Psr 23 02 46.9789 +44 42 22.102           ~ 124 0
77 PSR J2317+1439 Psr 23 17 09.235606 +14 39 31.29559           ~ 211 1

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