2015MNRAS.450.2185L

Query : 2015MNRAS.450.2185L

2015MNRAS.450.2185L - Mon. Not. R. Astron. Soc., 450, 2185-2194 (2015/June-3)

The Parkes multibeam pulsar survey - VII. Timing of four millisecond pulsars and the underlying spin-period distribution of the Galactic millisecond pulsar population.

LORIMER D.R., ESPOSITO P., MANCHESTER R.N., POSSENTI A., LYNE A.G., McLAUGHLIN M.A., KRAMER M., HOBBS G., STAIRS I.H., BURGAY M., EATOUGH R.P., KEITH M.J., FAULKNER A.J., D'AMICO N., CAMILO F., CORONGIU A. and CRAWFORD F.

Abstract (from CDS):

We present timing observations of 4-ms pulsars discovered in the Parkes 20-cm multibeam pulsar survey of the Galactic plane. PSRs J1552-4937 and J1843-1448 are isolated objects with spin periods of 6.28 and 5.47 ms, respectively. PSR J1727-2946 is in a 40-d binary orbit and has a spin period of 27 ms. The 4.43-ms pulsar J1813-2621 is in a circular 8.16-d binary orbit around a low-mass companion star with a minimum companion mass of 0.2 M☉. Combining these results with detections from five other Parkes multibeam surveys, gives a well-defined sample of 56 pulsars with spin periods below 20 ms. We develop a likelihood analysis to constrain the functional form which best describes the underlying distribution of spin periods for millisecond pulsars. The best results were obtained with a lognormal distribution. A gamma distribution is less favoured, but still compatible with the observations. Uniform, power-law and Gaussian distributions are found to be inconsistent with the data. Galactic millisecond pulsars being found by current surveys appear to be in agreement with a lognormal distribution which allows for the existence of pulsars with periods below 1.5 ms.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): methods: statistical - stars: neutron - pulsars: general

Simbad objects: 55

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Number of rows : 55
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 J0437-47 Psr 04 37 15.7994581776 -47 15 08.544351636           DC 1032 0
2 PSR J0610-2100 Psr 06 10 13.602953 -21 00 27.74435           ~ 116 0
3 PSR J0712-68 Psr 07 11 54.153093 -68 30 47.23387           ~ 120 1
4 PSR J0721-2038 Psr 07 21 42.9047 -20 38 07.061           ~ 12 0
5 PSR J0900-3144 Psr 09 00 43.95220 -31 44 30.8722           ~ 68 0
6 PSR J0922-52 Psr 09 21 59.8785 -52 02 38.470           ~ 9 0
7 PSR J1022+10 Psr 10 22 57.990 +10 01 52.92           ~ 279 2
8 PSR J1025-07 Psr 10 24 38.6991893112 -07 19 19.045523388     19.81 18.78 18.00 ~ 286 1
9 PSR J1045-45 Psr 10 45 50.179671 -45 09 54.05686           ~ 154 1
10 PSR J1125-6014 Psr 11 25 55.243299 -60 14 06.80942           ~ 61 0
11 PSR J1147-66 Psr 11 46 58.3731 -66 10 51.358           ~ 8 0
12 PSR J1216-6410 Psr 12 16 07.321183 -64 10 09.16656           ~ 23 0
13 PSR J1435-60 Psr 14 35 20.2733756922 -61 00 57.545079751           ~ 58 1
14 PSR J1546-59 Psr 15 46 29.3456 -59 25 44.871           ~ 5 0
15 PSR J1552-4937 Psr 15 52 13.2709 -49 37 49.744           ~ 3 0
16 PSR J1600-3053 Psr 16 00 51.902514 -30 53 49.45343           ~ 218 0
17 PSR J1604-72 Psr 16 03 35.670781 -72 02 32.82328           ~ 142 0
18 PSR J1618-3919 Psr 16 18 18.82500 -39 21 01.8320           ~ 32 0
19 PSR J1629-6902 Psr 16 29 08.744211 -69 02 45.46922           ~ 22 0
20 PSR J1643-1224 Psr 16 43 38.16612 -12 24 58.6334           ~ 260 2
21 PSR J1652-48 Psr 16 52 37.623911 -48 38 51.74860           ~ 10 0
22 PSR J1708-35 Psr 17 08 17.616678 -35 06 22.65950           ~ 29 1
23 PSR J1713+0747 Psr 17 13 49.5367813 +07 47 37.450240           ~ 530 1
24 PSR J1721-2457 Psr 17 21 05.50008 -24 57 06.2260           ~ 37 0
25 PSR J1723-2837 Psr 17 23 23.1937506912 -28 37 57.210408048   16.81 15.77 15.71   ~ 105 0
26 PSR J1725-3853 Psr 17 25 27.270 -38 53 04.20           ~ 4 0
27 PSR J1727-2946 Psr 17 27 15.09493 -29 46 36.7970           ~ 19 0
28 PSR J1730-2304 Psr 17 30 21.68471 -23 04 31.2590           ~ 194 1
29 PSR J1732-5049 Psr 17 32 47.766068 -50 49 00.31465           ~ 87 0
30 PSR J1738+0333 Psr 17 38 53.966386 +03 33 10.87200           ~ 191 1
31 PSR J1741+1351 Psr 17 41 31.1499024 +13 51 44.279709           ~ 122 0
32 PSR J1744-1134 Psr 17 44 29.4220844 -11 34 54.801320           ~ 323 1
33 PSR J1745-0952 Psr 17 45 09.1400 -09 52 39.670           ~ 28 0
34 PSR J1748-3009 Psr 17 48 23.79 -30 09 12.2           ~ 14 0
35 PSR J1751-2857 Psr 17 51 32.686848 -28 57 46.57130           ~ 65 1
36 PSR J1756-5322 Psr 17 57 15.154960 -53 22 26.59604           ~ 56 0
37 PSR J1801-32 Psr 18 01 25.8890 -32 10 53.720           ~ 22 1
38 PSR J1801-1417 Psr 18 01 51.064902 -14 17 34.54980           ~ 45 0
39 PSR J1802-2124 Psr 18 02 05.334393 -21 24 03.67600           ~ 101 1
40 PSR J1804-27 Psr 18 04 21.13307 -27 17 31.3370           ~ 87 1
41 PSR J1813-2621 Psr 18 13 40.59165 -26 21 57.0550           ~ 6 0
42 PSR J1835-0115 Psr 18 35 13.90 -01 15 17.0           ~ 10 0
43 PSR J1843-1448 Psr 18 43 01.3750 -14 48 12.610           ~ 6 0
44 PSR J1843-1113 Psr 18 43 41.260405 -11 13 31.10310           ~ 86 0
45 PSR J1853+1303 Psr 18 53 57.3183 +13 03 44.088           ~ 107 1
46 PSR B1855+09 Psr 18 57 36.390620 +09 43 17.20712           DA 569 1
47 PSR J1905+0400 Psr 19 05 28.2736 +04 00 10.922           ~ 25 0
48 PSR J1909-3744 Psr 19 09 47.42820 -37 44 14.7740           ~ 343 2
49 PSR J1910+1256 Psr 19 10 09.701454 +12 56 25.48680           ~ 108 1
50 PSR J1911+1347 Psr 19 11 55.204694 +13 47 34.38383           ~ 72 0
51 PSR J1918-0642 Psr 19 18 48.027685 -06 42 34.95735           ~ 146 0
52 PSR J1933-6210 Psr 19 33 32.413330 -62 11 46.69324           ~ 48 0
53 PSR J1935+1726 Psr 19 35 03.948 +17 26 28.46           ~ 12 0
54 PSR B1937+21.4 Psr 19 39 38.560096 +21 34 59.13552           ~ 1142 0
55 PSR J2010-1323 Psr 20 10 45.922635 -13 23 56.13270           ~ 93 0

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