2006A&A...448.1139S

Query : 2006A&A...448.1139S

2006A&A...448.1139S - Astronomy and Astrophysics, volume 4481139-1148 (2006/3-4)

Frequency dependence of orthogonal polarisation modes in pulsars.

SMITS J.M., STAPPERS B.W., EDWARDS R.T., KUIJPERS J. and RAMACHANDRAN R.

Abstract (from CDS):

We have carried out a study of the orthogonal polarisation mode behaviour as a function of frequency of 18 pulsars, using average pulsar data from the European Pulsar Network (EPN). Assuming that the radiation consists of two 100% polarised completely orthogonal superposed modes we separated these modes, resulting in average pulse profiles of each mode at multiple frequencies for each pulsar. Furthermore, we studied the frequency dependence of the relative intensity of these modes. We found in many pulsars that the average pulse profiles of the two modes differ in their dependence on frequency. In particular, we found that pulse components that are dominated by one mode tend to increase in intensity with increasing frequency with respect to the rest of the profile.

Abstract Copyright: ∼

Journal keyword(s): pulsar: general - polarization

Simbad objects: 18

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Number of rows : 18
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 B0144+59 Psr 01 47 44.6434 +59 22 03.284           ~ 69 0
2 PSR B0355+54 Psr 03 58 53.7165 +54 13 13.727           ~ 465 1
3 PSR B0450+55 Psr 04 54 07.709 +55 43 41.51           ~ 174 0
4 PSR B0525+21 Psr 05 28 52.308 +22 00 01.00     14.30     ~ 370 0
5 PSR B0809+74 Psr 08 14 59.500 +74 29 05.70           ~ 425 0
6 PSR B0823+26 Psr 08 26 51.5068 +26 37 21.297           ~ 541 1
7 PSR B0834+06 Psr 08 37 05.64620 +06 10 15.8700           ~ 472 0
8 PSR B0919+06 Psr 09 22 13.85000 +06 38 19.0000           ~ 329 1
9 PSR B0950+08 Psr 09 53 09.31210 +07 55 36.9000           ~ 806 2
10 PSR B1039-19 Psr 10 41 36.19100 -19 42 13.7000           ~ 80 0
11 PSR B1133+16 Psr 11 36 03.09460 +15 51 15.9000           ~ 715 0
12 PSR B1237+25 Psr 12 39 40.386 +24 53 49.87           ~ 497 1
13 PSR B1737-30.2 Psr 17 40 33.98000 -30 15 22.0000           ~ 236 0
14 PSR B1800-21 Psr 18 03 51.40000 -21 37 07.0000           ~ 278 1
15 PSR B1929+10 Psr 19 32 14.0570 +10 59 33.380           ~ 801 0
16 PSR B1944+17 Psr 19 46 53.044 +18 05 41.24           ~ 252 0
17 PSR B2016+28 Psr 20 18 03.8999255016 +28 39 54.940329468           ~ 374 0
18 PSR B2020+28 Psr 20 22 37.0671 +28 54 23.104           ~ 330 1

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