2008MNRAS.388..261J

Query : 2008MNRAS.388..261J

2008MNRAS.388..261J - Mon. Not. R. Astron. Soc., 388, 261-274 (2008/July-3)

Multifrequency integrated profiles of pulsars.

JOHNSTON S., KARASTERGIOU A., MITRA D. and GUPTA Y.

Abstract (from CDS):

We have observed a total of 67 pulsars at five frequencies ranging from 243 to 3100 MHz. Observations at the lower frequencies were made at the Giant Metre-Wave Telescope in India and those at higher frequencies at the Parkes Telescope in Australia. We present profiles from 34 of the sample with the best signal-to-noise ratio and the least scattering. The general `rules' of pulsar profiles are seen in the data; profiles get narrower, the polarization fraction declines and outer components become more prominent as the frequency increases. Many counterexamples to these rules are also observed, and pulsars with complex profiles are especially prone to rule breaking. We hypothesize that the location of pulsar emission within the magnetosphere evolves with time as the pulsar spins down. In highly energetic pulsars, the emission comes from a confined range of high altitudes, in the middle range of spin down energies the emission occurs over a wide range of altitudes whereas in pulsars with low spin-down energies it is confined to low down in the magnetosphere.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): pulsars: general

CDS comments: In Table 2 : PSR J0108-1439 is probably a misprint for PSR J0108-1431

Simbad objects: 67

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Number of rows : 67
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 J0108-1431 Psr 01 08 08.29 -14 31 48.5           ~ 109 0
3 PSR J0134-2937 Psr 01 34 18.6920 -29 37 17.080           ~ 52 0
4 PSR B0148-06 Psr 01 51 22.7400 -06 35 03.900           ~ 105 0
5 PSR B0149-16 Psr 01 52 10.8520 -16 37 53.900           ~ 123 0
6 PSR B0301+19 Psr 03 04 33.115 +19 32 51.40           ~ 224 0
7 PSR J0520-2553 Psr 05 20 36.185 -25 53 12.29           ~ 22 0
8 PSR B0523+11 Psr 05 25 56.5000 +11 15 19.100           ~ 116 0
9 PSR B0540+23 Psr 05 43 09.65 +23 29 06.1     14.40     ~ 253 0
10 PSR B0559-05 Psr 06 01 58.9730 -05 27 51.020           ~ 90 0
11 PSR B0611+22 Psr 06 14 17.0324288405 +22 29 57.017874999           ~ 266 0
12 PSR B0621-04 Psr 06 24 20.028 -04 24 50.45           ~ 70 0
13 PSR B0628-28 Psr 06 30 49.3710 -28 34 42.200           ~ 295 0
14 PSR J0631+10 Psr 06 31 27.369 +10 37 05.63           ~ 135 0
15 PSR B0656+14 Psr 06 59 48.1960 +14 14 19.400   24.85 24.90     ~ 869 1
16 PSR B0727-18 Psr 07 29 32.2900 -18 36 42.210           ~ 92 0
17 PSR B0736-40 Psr 07 38 32.2620 -40 42 39.420           ~ 195 0
18 PSR B0740-28 Psr 07 42 49.0730 -28 22 43.510           ~ 406 0
19 PSR B0834+06 Psr 08 37 05.642 +06 10 14.56           ~ 437 0
20 PSR B0906-17 Psr 09 08 38.1822 -17 39 37.670           ~ 90 0
21 PSR B0919+06 Psr 09 22 14.1600 +06 38 28.800           ~ 292 0
22 PSR B1504-43 Psr 15 07 34.1560 -43 52 03.800           ~ 37 0
23 PSR B1510-48 Psr 15 14 14.56 -48 34 19.5           ~ 35 0
24 PSR J1535-4114 Psr 15 35 17.07 -41 14 03.1           ~ 14 0
25 PSR J1536-3602 Psr 15 36 17.382 -36 02 58.80           ~ 13 0
26 PSR J1549-4848 Psr 15 49 21.154 -48 48 37.44           ~ 47 0
27 PSR J1556-4258 Psr 15 57 00.2520 -42 58 12.390           ~ 35 0
28 PSR B1556-44 Psr 15 59 41.5290 -44 38 45.740           ~ 129 0
29 PSR B1601-52 Psr 16 05 16.2500 -52 57 34.500           ~ 58 0
30 PSR J1641-2347 Psr 16 41 18.04 -23 47 36.0           ~ 8 0
31 PSR B1642-03 Psr 16 45 02.0330 -03 17 57.200           ~ 363 0
32 PSR J1700-3310 Psr 17 00 52.7800 -33 12 52.000           ~ 38 0
33 PSR B1700-32 Psr 17 03 22.5200 -32 41 48.300           ~ 106 0
34 PSR B1702-19 Psr 17 05 35.9670 -19 06 39.600           ~ 169 0
35 PSR B1706-16 Psr 17 09 26.4470 -16 40 56.200           ~ 222 0
36 PSR B1727-47 Psr 17 31 42.103 -47 44 34.56           ~ 148 0
37 PSR B1730-22 Psr 17 33 26.43 -22 28 37.0           ~ 64 0
38 PSR B1732-07 Psr 17 35 04.9730 -07 24 52.130           ~ 62 0
39 PSR B1737+13 Psr 17 40 07.3455 +13 11 56.690           ~ 175 0
40 PSR B1737-30.2 Psr 17 40 33.82 -30 15 43.5           ~ 214 0
41 PSR J1743-4212 Psr 17 43 05.3203355280 -42 12 03.777890868           ~ 9 0
42 PSR B1742-30 Psr 17 45 56.3250 -30 40 22.600           ~ 165 0
43 PSR B1758-29 Psr 18 01 46.8600 -29 20 36.000           ~ 41 0
44 PSR B1804-08 Psr 18 07 38.0266 -08 47 43.250           ~ 127 0
45 PSR J1808-0812 Psr 18 08 09.43 -08 13 01.5           ~ 37 0
46 PSR B1818-04 Psr 18 20 52.5920 -04 27 37.120           ~ 211 0
47 PSR B1819-22 Psr 18 22 59.0000 -22 56 38.000           ~ 113 0
48 PSR B1822-09 Psr 18 25 30.5940 -09 35 21.200           ~ 346 0
49 PSR J1835-1106 Psr 18 35 18.287 -11 06 15.10           ~ 68 0
50 PSR B1842+14 Psr 18 44 54.8946 +14 54 14.120           ~ 111 0
51 PSR B1845-01 Psr 18 48 23.5970 -01 23 58.800           ~ 138 0
52 PSR B1848+13 Psr 18 50 35.473 +13 35 58.39           ~ 44 0
53 PSR J1852-2610 Psr 18 52 59.467 -26 10 12.70           ~ 34 0
54 PSR B1857-26 Psr 19 00 47.5440 -26 00 44.200           ~ 180 0
55 PSR J1901-0906 Psr 19 01 53.0210 -09 06 11.900           ~ 46 0
56 PSR B1911-04 Psr 19 13 54.1820 -04 40 47.600           ~ 173 0
57 PSR B1915+13 Psr 19 17 39.7864 +13 53 57.077           ~ 175 0
58 PSR B1919+21 Psr 19 21 44.815 +21 53 02.25           ~ 383 0
59 PSR B1929+10 Psr 19 32 14.0570 +10 59 33.380           ~ 753 0
60 PSR B1933+16 Psr 19 35 47.7011639352 +16 16 40.034899524           ~ 302 1
61 PSR B1935+25 Psr 19 37 01.2544 +25 44 13.436           ~ 55 0
62 PSR B1937-26 Psr 19 41 00.4140 -26 02 05.700           ~ 75 0
63 PSR B2003-08 Psr 20 06 16.3650 -08 07 02.167           ~ 101 0
64 PSR B2045-16 Psr 20 48 35.7700 -16 16 47.000           ~ 319 0
65 PSR J2108-3429 Psr 21 08 30.49 -34 29 37.9           ~ 17 0
66 PSR B2113+14 Psr 21 16 13.7390 +14 14 21.000           ~ 83 0
67 PSR B2327-20 Psr 23 30 26.9740 -20 05 29.500           ~ 123 0

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