Pulsars, transients and relativistic astrophysics

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A Candidate M31/M32 Intergalactic Microlensing Event

(2002)

Authors:

S Paulin-Henriksson, P Baillon, A Bouquet, BJ Carr, M Creze, NW Evans, Y Giraud-Heraud, A Gould, P Hewett, J Kaplan, E Kerins, Y Le Du, A-L Melchior, SJ Smartt, D Valls-Gabaud, the POINT-AGAPE collaboration
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On the Progenitor of the Type Ic Supernova 2002ap

The Astrophysical Journal American Astronomical Society 572:2 (2002) l147-l151

Authors:

SJ Smartt, PM Vreeswijk, E Ramirez-Ruiz, GF Gilmore, WPS Meikle, AMN Ferguson, JH Knapen
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The Type Ic Hypernova SN 2002ap

The Astrophysical Journal American Astronomical Society 572:1 (2002) l61-l65

Authors:

PA Mazzali, J Deng, K Maeda, K Nomoto, H Umeda, K Hatano, K Iwamoto, Y Yoshii, Y Kobayashi, T Minezaki, M Doi, K Enya, H Tomita, SJ Smartt, K Kinugasa, H Kawakita, K Ayani, T Kawabata, H Yamaoka, YL Qiu, K Motohara, CL Gerardy, R Fesen, KS Kawabata, M Iye, N Kashikawa, G Kosugi, Y Ohyama, M Takada-Hidai, G Zhao, R Chornock, AV Filippenko, S Benetti, M Turatto
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Non-radial pulsation, rotation and outburst in the Be star ω Orionis from the MuSiCoS 1998 campaign*

Astronomy & Astrophysics EDP Sciences 388:3 (2002) 899-916

Authors:

C Neiner, A-M Hubert, M Floquet, S Jankov, HF Henrichs, B Foing, J Oliveira, S Orlando, J Abbott, IK Baldry, TR Bedding, J Cami, H Cao, C Catala, KP Cheng, A Domiciano de Souza, E Janot-Pacheco, JX Hao, L Kaper, A Kaufer, NV Leister, JE Neff, SJ O'Toole, D Schäfer, SJ Smartt, O Stahl, J Telting, S Tubbesing, J Zorec
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Simultaneous single-pulse observations of radio pulsars: II. Orthogonal polarization modes in PSR B1133+16

ArXiv astro-ph/0205550 (2002)

Authors:

A Karastergiou, M Kramer, S Johnston, AG Lyne, NDR Bhat, Y Gupta

Abstract:

In this paper, we present a study of orthogonal polarization modes in the radio emission of PSR B1133+16, conducted within the frame of simultaneous, multi-frequency, single-pulse observations. Simultaneously observing at two frequencies (1.41 GHz and 4.85 GHz) provides the means to study the bandwidth of polarization features such as the polarization position angle. We find two main results. First, that there is a high degree of correlation between the polarization modes at the two frequencies. Secondly, the modes occur more equally and the fractional linear polarization decreases towards higher frequencies. We discuss this frequency evolution and propose propagation effects in the pulsar magnetosphere as its origin.
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