2007MNRAS.377.1383W

Query : 2007MNRAS.377.1383W

2007MNRAS.377.1383W - Mon. Not. R. Astron. Soc., 377, 1383-1392 (2007/May-3)

Pulsar nulling and mode changing.

WANG N., MANCHESTER R.N. and JOHNSTON S.

Abstract (from CDS):

With its relatively long observation time per pointing, the Parkes multibeam survey was effective in detecting nulling pulsars. We have made 2-h observations of 23 pulsars which showed evidence for pulse nulling or mode changing in the survey data. Because of the low flux density of these pulsars, in most cases averaging times of between 10 and 60 s were necessary and so this analysis is insensitive to very short nulls. Seven of the pulsars had null fractions of more than 40 per cent with the largest having a lower limit of 95 per cent. Mode changes were observed in six pulsars with clear relationships between nulling and mode changing in some cases. Combined with earlier results, the data suggest that large null fractions are more related to large characteristic age than to long pulse period. The observations suggest that nulling and mode changing are different manifestations of the same phenomenon.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): radiation mechanisms: non-thermal - pulsars: general

Simbad objects: 71

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Number of rows : 71
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 PSR B0031-07 Psr 00 34 08.9100 -07 21 56.000           ~ 323 0
2 PSR B0148-06 Psr 01 51 22.7400 -06 35 03.900           ~ 105 0
3 PSR B0301+19 Psr 03 04 33.115 +19 32 51.40           ~ 224 0
4 PSR B0450-18 Psr 04 52 34.1150 -17 59 23.300           ~ 187 0
5 PSR B0525+21 Psr 05 28 52.308 +22 00 01.00     14.30     ~ 356 0
6 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5259 0
7 PSR B0628-28 Psr 06 30 49.3710 -28 34 42.200           ~ 295 0
8 PSR B0656+14 Psr 06 59 48.1960 +14 14 19.400   24.85 24.90     ~ 869 1
9 PSR B0736-40 Psr 07 38 32.2620 -40 42 39.420           ~ 195 0
10 PSR B0740-28 Psr 07 42 49.0730 -28 22 43.510           ~ 406 0
11 PSR B0751+32 Psr 07 54 40.688 +32 31 56.20           ~ 84 0
12 PSR B0809+74 Psr 08 14 59.500 +74 29 05.70           ~ 406 0
13 PSR B0818-13 Psr 08 20 26.4020 -13 50 56.400           ~ 211 0
14 PSR B0826-34 Psr 08 28 16.6 -34 17 07           ~ 156 0
15 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2315 1
16 PSR B0834+06 Psr 08 37 05.642 +06 10 14.56           ~ 437 0
17 PSR B0835-41 Psr 08 37 21.1943 -41 35 14.563     12.69     ~ 136 0
18 PSR B0844-35 Psr 08 46 06.0400 -35 33 41.200           ~ 77 0
19 PSR B0940-55 Psr 09 42 15.83 -55 52 52.3           ~ 86 0
20 PSR B0940+16 Psr 09 43 30.10 +16 31 37.0           ~ 73 0
21 PSR J1032-5911 Psr 10 32 11.4625205976 -59 10 09.253227864   11.80 11.41     ~ 29 0
22 PSR J1049-5833 Psr 10 49 50.34 -58 33 44.6           ~ 17 0
23 PSR B1112+50 Psr 11 15 38.400 +50 30 12.29           ~ 144 0
24 PSR B1133+16 Psr 11 36 03.0720 +15 51 15.500           ~ 668 0
25 PSR B1237+25 Psr 12 39 40.386 +24 53 49.87           ~ 468 0
26 PSR B1240-64 Psr 12 43 17.2912183824 -64 23 23.082548820           ~ 109 0
27 PSR B1322-66 Psr 13 26 02.7300 -67 00 49.200           ~ 43 0
28 PSR B1358-63 Psr 14 01 52.5900 -63 57 45.400           ~ 73 0
29 PSR J1412-6145 Psr 14 12 07.69 -61 45 28.8           ~ 40 1
30 PSR B1426-66 Psr 14 30 40.7350 -66 23 05.550           ~ 89 0
31 PSR B1451-68 Psr 14 56 00.0175876848 -68 43 40.034742348           ~ 186 0
32 PSR J1502-5653 Psr 15 02 57.389 -56 53 39.21           ~ 22 0
33 PSR J1525-5417 Psr 15 25 28.35 -54 17 20.0           ~ 9 0
34 PSR B1530+27 Psr 15 32 10.3646 +27 45 49.623           ~ 113 0
35 PSR J1648-4458 Psr 16 48 13.0 -44 58 26           ~ 8 0
36 PSR J1649+2533 Psr 16 49 44.23 +25 33 07.0           ~ 32 0
37 PSR J1658-4306 Psr 16 58 16.6 -43 06 50           ~ 7 0
38 PSR B1658-37 Psr 17 01 18.4100 -37 26 25.000           ~ 34 0
39 PSR J1702-4428 Psr 17 02 52.6 -44 28 03           ~ 7 0
40 PSR J1703-4902 Psr 17 03 54.5300 -48 52 01.000           ~ 32 0
41 PSR B1713-40 Psr 17 17 52.3600 -41 03 17.800           ~ 35 0
42 PSR B1718-36 Psr 17 22 09.817 -36 32 53.30           ~ 27 0
43 PSR J1727-2739 Psr 17 27 30.99 -27 39 00.5           ~ 39 0
44 PSR B1727-47 Psr 17 31 42.103 -47 44 34.56           ~ 148 0
45 PSR J1744-3922 Psr 17 44 02.67 -39 22 21.1           ~ 17 1
46 PSR B1742-30 Psr 17 45 56.3250 -30 40 22.600           ~ 165 0
47 PSR J1752+2359 Psr 17 52 35.42 +23 59 48.2           ~ 60 0
48 PSR B1749-28 Psr 17 52 58.7130 -28 06 33.900           ~ 261 0
49 PSR B1809-17.3 Psr 18 12 07.208 -17 18 29.50           ~ 29 0
50 PSR J1820-0509 Psr 18 20 22.73 -05 09 38.5           ~ 13 0
51 PSR B1818-04 Psr 18 20 52.5920 -04 27 37.120           ~ 211 0
52 PSR B1828-12.4 Psr 18 31 12.83 -12 23 31.0           ~ 15 0
53 PSR B1831-10.9 Psr 18 33 58.40 -10 55 31.0           ~ 8 0
54 PSR J1843-0211 Psr 18 43 30.33 -02 11 02.8           ~ 11 0
55 PSR B1857-26 Psr 19 00 47.5440 -26 00 44.200           ~ 180 0
56 PSR B1907+03 Psr 19 10 09.06 +03 58 28.0     14.10     ~ 88 0
57 PSR J1916+1023 Psr 19 16 36.9 +10 23 03           ~ 7 0
58 PSR J1920+1040 Psr 19 20 55.4 +10 40 31           ~ 11 0
59 PSR B1929+10 Psr 19 32 14.0570 +10 59 33.380           ~ 753 0
60 PSR J1933+2421 Psr 19 33 37.83 +24 36 39.6           ~ 149 0
61 PSR B1933+16 Psr 19 35 47.7011639352 +16 16 40.034899524           ~ 302 1
62 PSR B1942+17 Psr 19 44 31.8245719680 +17 55 41.670456996           ~ 21 0
63 PSR B1942-00 Psr 19 45 28.39 -00 40 58.1           ~ 59 0
64 PSR B1944+17 Psr 19 46 53.044 +18 05 41.24           ~ 234 0
65 PSR B2045-16 Psr 20 48 35.7700 -16 16 47.000           ~ 319 0
66 PSR B2111+46 Psr 21 13 24.3295 +46 44 08.844           ~ 208 1
67 PSR B2154+40 Psr 21 57 01.840 +40 17 45.89           ~ 146 0
68 PSR B2303+30 Psr 23 05 58.3212 +31 00 01.281           ~ 203 0
69 PSR B2315+21 Psr 23 17 57.8419 +21 49 48.019           ~ 108 0
70 PSR B2319+60 Psr 23 21 55.213 +60 24 30.71     13.80     ~ 191 0
71 PSR B2327-20 Psr 23 30 26.9740 -20 05 29.500           ~ 123 0

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