Query : 1999A&A...342L..57V

1999A&A...342L..57V - Astronomy and Astrophysics, volume 342, L57-61 (1999/2-3)

A transition from linear to circular polarization in pulsar radio emission.


Abstract (from CDS):

At present three pulsars are known which clearly show a strongly increasing degree of circular polarization with frequency. As this is accompanied by a smooth decrease of linear polarization, we investigate, if this observation can be explained through a propagation mode transition from linear to circular polarization. Using a previously published model we find that the rate of change of the polarization types with frequency is well consistent with the theory. The small number of only three objects does of course not allow to draw a general conclusion for the whole sample of pulsars. However we show that the very unusual behavior of these three objects can be well explained with this model and we discuss, why only so few such objects are presently known.

Abstract Copyright:

Journal keyword(s): plasmas - polarization - stars: pulsars: general - stars: pulsars: individual: PSR B0144+59 - stars: pulsars: individual: PSR B1737-30 - stars: pulsars: individual: PSR B1913+10

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
ICRS (J2000)
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
1 PSR B0144+59 Psr 01 47 44.6597 +59 22 03.216           ~ 55 0
2 PSR B1737-30.2 Psr 17 40 33.82 -30 15 43.5           ~ 195 0
3 PSR B1913+10 Psr 19 15 29.9910 +10 09 43.370           ~ 85 0

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