2006A&A...445..243W


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.05CET18:35:51

2006A&A...445..243W - Astronomy and Astrophysics, volume 445, 243-272 (2006/1-1)

The subpulse modulation properties of pulsars at 21 cm.

WELTEVREDE P., EDWARDS R.T. and STAPPERS B.W.

Abstract (from CDS):

We present the results of a systematic, unbiased search for subpulse modulation of 187 pulsars performed with the Westerbork Synthesis Radio Telescope (WSRT) in the Netherlands at an observing wavelength of 21cm. Using new observations and archival WSRT data we have increased the list of pulsars that show the drifting subpulse phenomenon by 42, indicating that at least one in three pulsars exhibits this phenomenon. The real fraction of pulsars that show the drifting phenomenon is likely to be larger than 55%. The majority of the analysed pulsars show subpulse modulation (170), of which the majority were not previously known to show subpulse modulation and 30 show clear systematic drifting. The large number of new drifters we have found allows us, for the first time, to do meaningful statistics on the drifting phenomenon. We find that the drifting phenomenon is correlated with the pulsar age such that drifting is more likely to occur in older pulsars. Pulsars that drift more coherently seem to be older and have a lower modulation index. There is no significant correlation found between P3 and other pulsar parameters (such as the pulsar age), as has been reported in the past. There is no significant preference of drift direction and the drift direction is not found to be correlated with pulsar parameters. None of the four complexity parameters predicted by different emission models are shown to be inconsistent with the set of modulation indices of our sample of pulsars. Therefore none of the models can be ruled out based on our observations. We also present results on some interesting new individual sources like a pulsar that shows similar subpulse modulation in both the main- and interpulse and six pulsars with opposite drift senses in different components.

Abstract Copyright:

Journal keyword(s): stars: pulsars: general

VizieR on-line data: <Available at CDS (J/A+A/445/243): table2.dat>

Simbad objects: 200

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Number of rows : 200

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 PSR B0011+47 Psr 00 14 17.75 +47 46 33.4           ~ 58 0
2 PSR B0031-07 Psr 00 34 08.9100 -07 21 56.000           ~ 279 0
3 PSR B0037+56 Psr 00 40 32.362 +57 16 24.91           ~ 34 0
4 PSR B0052+51 Psr 00 55 45.378 +51 17 24.97           ~ 42 0
5 PSR B0105+65 Psr 01 08 22.64 +66 08 34.0           ~ 69 0
6 PSR J0134-2937 Psr 01 34 18.6920 -29 37 17.080           ~ 39 0
7 PSR B0136+57 Psr 01 39 19.744 +58 14 31.73     13.41     ~ 140 0
8 PSR B0138+59 Psr 01 41 39.938 +60 09 32.30     12.85     ~ 107 0
9 PSR B0144+59 Psr 01 47 44.6597 +59 22 03.216           ~ 53 0
10 PSR B0148-06 Psr 01 51 22.7400 -06 35 03.900           ~ 84 0
11 PSR B0149-16 Psr 01 52 10.8520 -16 37 53.900           ~ 106 0
12 PSR B0154+61 Psr 01 57 49.930 +62 12 25.90           ~ 112 0
13 PSR B0301+19 Psr 03 04 33.115 +19 32 51.40           ~ 206 0
14 PSR B0320+39 Psr 03 23 26.618 +39 44 52.90           ~ 114 0
15 PSR B0329+54 Psr 03 32 59.3462817079 +54 34 45.047901390           ~ 587 1
16 PSR B0353+52 Psr 03 57 44.8153 +52 36 57.700           ~ 34 0
17 PSR B0355+54 Psr 03 58 53.7165 +54 13 13.727           ~ 394 1
18 PSR B0402+61 Psr 04 06 30.046 +61 38 40.92           ~ 76 0
19 PSR B0450-18 Psr 04 52 34.1150 -17 59 23.300           ~ 171 0
20 PSR B0450+55 Psr 04 54 07.709 +55 43 41.51           ~ 151 0
21 PSR B0458+46 Psr 05 02 04.561 +46 54 06.09           ~ 76 0
22 PSR B0523+11 Psr 05 25 56.5000 +11 15 19.100           ~ 98 0
23 PSR B0525+21 Psr 05 28 52.308 +22 00 01.00     14.30     ~ 332 0
24 V* CM Tau Psr 05 34 31.93830 +22 00 52.1758           ~ 4866 1
25 PSR B0540+23 Psr 05 43 09.65 +23 29 06.1     14.40     ~ 229 0
26 PSR B0559-05 Psr 06 01 58.9730 -05 27 51.020           ~ 78 0
27 PSR B0609+37 Psr 06 12 44.087 +37 21 40.20           ~ 50 0
28 PSR B0611+22 Psr 06 14 17.25120 +22 30 37.3896           ~ 241 0
29 PSR B0621-04 Psr 06 24 20.028 -04 24 50.45           ~ 60 0
30 PSR B0626+24 Psr 06 29 05.728 +24 15 43.30           ~ 97 0
31 PSR B0628-28 Psr 06 30 49.3710 -28 34 42.200           ~ 269 0
32 PSR B0656+14 Psr 06 59 48.1960 +14 14 19.400   24.85 24.90     ~ 776 1
33 PSR B0740-28 Psr 07 42 49.0730 -28 22 43.510           ~ 359 0
34 PSR B0751+32 Psr 07 54 40.688 +32 31 56.20           ~ 74 0
35 PSR B0756-15 Psr 07 58 29.0550 -15 28 08.460           ~ 53 0
36 PSR B0809+74 Psr 08 14 59.500 +74 29 05.70           ~ 371 0
37 PSR J0815+09 Psr 08 15 08.78 +09 39 50.7           ~ 26 0
38 PSR B0818-13 Psr 08 20 26.4020 -13 50 56.400           ~ 185 0
39 PSR J0823+0159 Psr 08 23 09.788 +01 59 12.56           DA 213 0
40 PSR B0823+26 Psr 08 26 51.4 +26 37 23           ~ 473 1
41 PSR B0826-34 Psr 08 28 16.6 -34 17 07           ~ 133 0
42 PSR B0834+06 Psr 08 37 05.642 +06 10 14.56           ~ 399 0
43 PSR B0906-17 Psr 09 08 38.1822 -17 39 37.670           ~ 80 0
44 PSR B0919+06 Psr 09 22 14.1600 +06 38 28.800           ~ 255 0
45 PSR B0943+10 Psr 09 46 07.31 +09 51 57.3           ~ 307 1
46 PSR B0950+08 Psr 09 53 09.2970 +07 55 36.400           ~ 701 2
47 PSR J1022+10 Psr 10 22 58.011 +10 01 52.85           ~ 184 2
48 PSR B1039-19 Psr 10 41 36.196 -19 42 13.61           ~ 65 0
49 PSR B1055-52 Psr 10 57 59.0450 -52 26 56.330           ~ 685 0
50 PSR B1112+50 Psr 11 15 38.400 +50 30 12.29           ~ 137 0
51 PSR B1133+16 Psr 11 36 03.0720 +15 51 15.500           ~ 618 0
52 PSR B1237+25 Psr 12 39 40.386 +24 53 49.87           ~ 420 0
53 PSR B1254-10 Psr 12 57 04.769 -10 27 05.80           ~ 31 0
54 PSR B1508+55 Psr 15 09 25.7 +55 31 33           ~ 274 1
55 PSR J1518+4904 Psr 15 18 16.832 +49 04 34.19           ~ 163 1
56 PSR B1540-06 Psr 15 43 30.1579 -06 20 45.250           ~ 99 0
57 PSR B1541+09 Psr 15 43 38.815 +09 29 16.50           ~ 183 0
58 PSR B1600-27 Psr 16 03 08.063 -27 13 27.60           ~ 39 0
59 PSR B1604-00 Psr 16 07 12.1034 -00 32 40.830           ~ 204 0
60 PSR B1612+07 Psr 16 14 40.906 +07 37 31.00           ~ 86 0
61 PSR B1642-03 Psr 16 45 02.0330 -03 17 57.200           ~ 326 0
62 PSR J1650-1654 Psr 16 50 27.20 -16 54 40.0           ~ 20 0
63 PSR J1652-2404 Psr 16 52 58.52 -24 03 51.0           ~ 31 0
64 PSR B1702-19 Psr 17 05 35.9670 -19 06 39.600           ~ 145 0
65 PSR B1706-16 Psr 17 09 26.4470 -16 40 56.200           ~ 201 0
66 PSR J1713+0447 Psr 17 13 49.53053 +07 47 37.5264           ~ 371 1
67 PSR B1717-16 Psr 17 20 25.2400 -16 33 34.000           ~ 29 0
68 PSR B1717-29 Psr 17 20 34.1100 -29 33 16.000           ~ 56 0
69 PSR J1730-2304 Psr 17 30 21.6483 -23 04 31.400           ~ 114 1
70 PSR B1730-22 Psr 17 33 26.43 -22 28 37.0           ~ 57 0
71 PSR B1732-07 Psr 17 35 04.9717 -07 24 52.490           ~ 50 0
72 PSR B1736-29 Psr 17 39 34.2950 -29 03 02.900           ~ 65 0
73 PSR B1737+13 Psr 17 40 07.3455 +13 11 56.690           ~ 156 0
74 PSR B1738-08 Psr 17 41 22.555 -08 40 31.80           ~ 75 0
75 PSR B1744-24A Psr 17 48 02.255 -24 46 36.90           ~ 187 0
76 PSR B1745-12 Psr 17 48 17.4310 -13 00 53.400           ~ 56 0
77 PSR B1749-28 Psr 17 52 58.7130 -28 06 33.900           ~ 240 0
78 PSR B1753+52 Psr 17 54 22.92 +52 01 12.3           ~ 34 0
79 PSR B1754-24 Psr 17 57 29.3362 -24 22 07.400           ~ 70 0
80 PSR B1754-22.3 Psr 17 57 50.772 -22 23 49.00           ~ 8 0
81 PSR B1756-22 Psr 17 59 24.1350 -22 05 34.000           ~ 47 0
82 PSR B1758-23 Psr 18 01 19.829 -23 04 44.20           ~ 125 0
83 PSR B1758-29 Psr 18 01 46.8600 -29 20 36.000           ~ 31 0
84 PSR B1800-21 Psr 18 03 51.45 -21 37 08.1           ~ 233 1
85 PSR B1804-08 Psr 18 07 38.0266 -08 47 43.250           ~ 109 0
86 PSR B1805-20 Psr 18 08 06.396 -20 58 08.00           ~ 27 0
87 PSR J1808-0812 Psr 18 08 09.43 -08 13 01.5           ~ 29 0
88 PSR J1812-2102 Psr 18 12 20.93 -21 02 36.0           ~ 7 0
89 PSR B1811+40 Psr 18 13 13.281 +40 13 39.03           ~ 56 0
90 PSR J1816-1729 Psr 18 16 18.662 -17 29 02.70           ~ 24 0
91 PSR B1815-14 Psr 18 18 23.8700 -14 22 45.000           ~ 45 0
92 PSR B1817-13 Psr 18 20 19.759 -13 46 15.30           ~ 28 0
93 PSR B1818-04 Psr 18 20 52.5920 -04 27 37.120           ~ 189 0
94 PSR B1819-22 Psr 18 22 59.0000 -22 56 38.000           ~ 84 0
95 PSR B1821+05 Psr 18 23 30.9731 +05 50 24.310           ~ 111 0
96 PSR B1820-11 Psr 18 23 40.30 -11 15 11.0           ~ 75 2
97 PSR B1821-19 Psr 18 24 00.4725 -19 45 51.600           ~ 78 0
98 PSR B1821-11 Psr 18 24 29.538 -11 18 42.60           ~ 27 0
99 PSR J1824-2452A Psr 18 24 32.009 -24 52 11.10           ~ 440 2
100 PSR B1822-14 Psr 18 25 02.927 -14 46 52.60           ~ 67 0
101 PSR B1822-09 Psr 18 25 30.5940 -09 35 21.200           ~ 311 0
102 PSR B1823-13 Psr 18 26 13.06 -13 34 48.1           ~ 359 1
103 PSR J1828-1101 Psr 18 28 18.849 -11 01 50.90           ~ 37 0
104 PSR B1826-17 Psr 18 29 43.1670 -17 51 01.000           ~ 104 0
105 PSR B1827-11.6 Psr 18 30 01.7000 -11 35 09.000           ~ 16 0
106 PSR B1829-08 Psr 18 32 37.0200 -08 27 03.800           ~ 51 0
107 PSR B1830-08 Psr 18 33 40.2640 -08 27 32.000           ~ 115 1
108 PSR B1831-03 Psr 18 33 41.8890 -03 39 04.430           ~ 61 0
109 PSR B1831-04 Psr 18 34 25.6320 -04 26 15.200           ~ 80 0
110 PSR B1832-06 Psr 18 35 05.561 -06 43 06.40     13.18     ~ 47 0
111 PSR J1835-1106 Psr 18 35 18.287 -11 06 15.10           ~ 54 0
112 PSR B1833-10.3 Psr 18 35 57.551 -10 20 04.80           ~ 17 0
113 PSR B1834-04 Psr 18 36 51.7904 -04 36 37.680           ~ 28 0
114 PSR B1834-10 Psr 18 36 53.9260 -10 08 09.300           ~ 46 0
115 PSR J1837-0653 Psr 18 37 14.65 -06 53 02.1           ~ 30 0
116 PSR B1836-06.7 Psr 18 39 09.803 -06 43 45.20           ~ 7 0
117 PSR B1839+56 Psr 18 40 44.608 +56 40 55.47           ~ 94 0
118 PSR B1839+09 Psr 18 41 55.9380 +09 12 08.300           ~ 107 0
119 PSR B1839-04 Psr 18 42 26.4642316832 -04 00 00.522079382           ~ 56 0
120 PSR B1841-05 Psr 18 44 05.108 -05 38 34.19           ~ 40 0
121 PSR B1841-04 Psr 18 44 33.452 -04 33 12.40           ~ 30 1
122 PSR B1842+14 Psr 18 44 54.8946 +14 54 14.120           ~ 100 0
123 PSR B1842-04 Psr 18 45 34.709 -04 34 29.80           ~ 29 0
124 PSR J1845-0743 Psr 18 45 57.18 -07 43 38.4           ~ 20 0
125 PSR B1844-04 Psr 18 47 22.8223628893 -04 02 13.030470420           ~ 95 0
126 PSR B1845-01 Psr 18 48 23.5970 -01 23 58.800           ~ 120 0
127 PSR B1846-06 Psr 18 49 06.4700 -06 37 06.100           ~ 55 0
128 PSR B1848+13 Psr 18 50 35.473 +13 35 58.39           ~ 39 0
129 PSR B1848+00.3 Psr 18 50 45.144 +00 26 25.60           ~ 7 0
130 PSR B1849+00 Psr 18 52 27.42 +00 32 02.0           ~ 62 0
131 PSR J1852+0305 Psr 18 52 32.6 +03 05 05           ~ 6 0
132 PSR J1852-2610 Psr 18 52 59.467 -26 10 12.70           ~ 26 0
133 PSR B1855+09 Psr 18 57 36.39161 +09 43 17.2322           DA 484 1
134 PSR B1855+02 Psr 18 57 43.6600 +02 12 41.100           ~ 48 0
135 PSR B1857-26 Psr 19 00 47.5440 -26 00 44.200           ~ 156 0
136 PSR B1859+03 Psr 19 01 31.7700 +03 31 04.960           ~ 133 0
137 PSR B1859+07 Psr 19 01 38.936 +07 16 34.80     14.03     ~ 64 0
138 PSR J1901-0906 Psr 19 01 53.0210 -09 06 11.900           ~ 34 0
139 PSR B1900+05 Psr 19 02 42.620 +05 56 25.92           ~ 72 0
140 PSR B1900+01 Psr 19 03 29.9860 +01 35 38.530           ~ 109 0
141 PSR B1903+07 Psr 19 05 53.62 +07 09 19.4           ~ 31 0
142 PSR B1905+39 Psr 19 07 34.656 +40 02 05.71           ~ 79 0
143 PSR B1907+00 Psr 19 09 35.2640 +00 07 57.000           ~ 67 0
144 PSR B1907+10 Psr 19 09 48.6221888736 +11 02 02.886247748     13.61     ~ 129 0
145 PSR B1910+20 Psr 19 12 43.354 +21 04 33.80           ~ 66 0
146 PSR B1911+13 Psr 19 13 24.3574 +14 00 52.720           ~ 58 0
147 PSR B1911-04 Psr 19 13 54.1820 -04 40 47.600           ~ 157 0
148 PSR B1915+09 Psr 19 16 32.3520 +09 51 25.100           ~ 79 0
149 PSR B1914+13 Psr 19 16 58.6000 +13 12 52.800           ~ 84 0
150 PSR B1915+13 Psr 19 17 39.7902 +13 53 56.950           ~ 163 0
151 PSR B1916+14 Psr 19 18 23.638 +14 45 06.00           ~ 117 0
152 PSR B1917+00 Psr 19 19 50.6820 +00 21 39.600           ~ 92 0
153 PSR B1918+19 Psr 19 21 03.799 +19 48 44.70           ~ 88 0
154 PSR B1919+21 Psr 19 21 44.815 +21 53 02.25           ~ 353 0
155 PSR B1920+21 Psr 19 22 53.531 +21 10 41.97           ~ 89 0
156 PSR B1924+16 Psr 19 26 45.322 +16 48 32.78           ~ 82 0
157 PSR B1929+10 Psr 19 32 14.0570 +10 59 33.380           ~ 703 0
158 PSR B1933+16 Psr 19 35 47.7012077756 +16 16 40.025845719           ~ 277 1
159 PSR B1935+25 Psr 19 37 01.2659 +25 44 13.680           ~ 48 0
160 PSR B1937+21 Psr 19 39 39.6 +21 37 22           ~ 975 2
161 PSR B1937-26 Psr 19 41 00.4140 -26 02 05.700           ~ 63 0
162 PSR J1946-2913 Psr 19 46 51.7500 -29 13 47.400           ~ 40 0
163 PSR B1944+17 Psr 19 46 53.044 +18 05 41.24           ~ 216 0
164 PSR B1946+35 Psr 19 48 25.0067 +35 40 11.057           ~ 156 0
165 PSR B1952+29 Psr 19 54 22.554 +29 23 17.29           ~ 130 0
166 PSR B1953+50 Psr 19 55 18.7637 +50 59 55.292           ~ 82 0
167 PSR B2000+32 Psr 20 02 04.424 +32 17 18.31           ~ 41 0
168 PSR B2000+40 Psr 20 02 44.030 +40 50 53.91           ~ 35 0
169 PSR B2002+31 Psr 20 04 52.286 +31 37 10.01           ~ 125 0
170 PSR B2003-08 Psr 20 06 16.3300 -08 07 01.000           ~ 74 0
171 PSR B2011+38 Psr 20 13 10.367 +38 45 43.31           ~ 63 0
172 PSR B2016+28 Psr 20 18 03.9004752640 +28 39 54.932845661           ~ 336 0
173 PSR B2020+28 Psr 20 22 37.0671 +28 54 23.104           ~ 286 1
174 PSR B2021+51 Psr 20 22 49.8730 +51 54 50.233           ~ 245 1
175 PSR B2022+50 Psr 20 23 41.9427 +50 37 34.858           ~ 39 0
176 PSR B2043-04 Psr 20 46 00.1600 -04 21 25.900           ~ 63 0
177 PSR B2044+15 Psr 20 46 39.349 +15 40 33.61           ~ 89 0
178 PSR B2045-16 Psr 20 48 35.7700 -16 16 47.000           ~ 288 0
179 PSR B2053+36 Psr 20 55 31.3552 +36 30 21.489           ~ 90 0
180 PSR B2106+44 Psr 21 08 20.482 +44 41 48.87           ~ 62 0
181 PSR B2110+27 Psr 21 13 04.3895 +27 54 02.290           ~ 94 0
182 PSR B2111+46 Psr 21 13 24.2 +46 44 09           ~ 190 1
183 PSR B2145-07.8 Psr 21 45 50.45590 -07 50 18.5900           ~ 229 0
184 PSR B2148+63 Psr 21 49 58.59 +63 29 43.5           ~ 82 0
185 PSR B2148+52 Psr 21 50 37.7331 +52 47 49.625           ~ 36 0
186 PSR B2154+40 Psr 21 57 01.840 +40 17 45.89           ~ 136 0
187 PSR B2217+47 Psr 22 19 48.139 +47 54 53.93           ~ 206 0
188 PSR B2223+65 Psr 22 25 52.36 +65 35 33.8           ~ 292 0
189 PSR B2255+58 Psr 22 57 57.744 +59 09 14.83     12.59     ~ 84 0
190 PSR B2303+30 Psr 23 05 58.324 +31 00 01.76           ~ 183 0
191 PSR B2306+55 Psr 23 08 13.822 +55 47 36.03           ~ 64 0
192 PSR B2310+42 Psr 23 13 08.5976 +42 53 12.987           ~ 124 0
193 PSR B2315+21 Psr 23 17 57.828 +21 49 48.03           ~ 91 0
194 PSR B2319+60 Psr 23 21 55.213 +60 24 30.71     13.80     ~ 172 0
195 PSR B2323+63 Psr 23 25 13.32 +63 16 52.3     13.30     ~ 49 0
196 PSR B2324+60 Psr 23 26 58.6970 +61 13 36.468           ~ 61 0
197 PSR B2327-20 Psr 23 30 26.9740 -20 05 29.500           ~ 107 0
198 PSR B2334+61 Psr 23 37 05.779 +61 51 01.69           ~ 169 1
199 PSR J2347-0612 Psr 23 46 50.5100 -06 10 01.000           ~ 40 0
200 PSR B2351+61 Psr 23 54 04.724 +61 55 46.79           ~ 89 0

    Equat.    Gal    SGal    Ecl

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2021.03.05-18:35:51

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