Volume 455, Number 1, August III 2006
|Page(s)||215 - 221|
|Section||Stellar structure and evolution|
|Published online||31 July 2006|
Phenomenology of pulsar B0809+74's rotating subbeam system
II. “Carousel” configuration and polarization
Sterrenkundig Instituut “Anton Pannekoek”, 1098 SJ Amsterdam, The Netherlands e-mail: email@example.com;firstname.lastname@example.org
2 Department of Astronomy, University of California, Berkeley, CA 94720, USA e-mail: email@example.com
3 Department of Physics & Astronomy, University of British Columbia, Vancouver, V6T 1Z1 Canada e-mail: firstname.lastname@example.org
4 Pushchino Radio Astronomy Observatory, 142290 Pushchino, Russia e-mail: email@example.com
5 Isaac Newton Institute of Chile, Pushchino Branch
Accepted: 6 January 2005
Building on results and analyses of previous works, the structure and polarization of B0809+74's subbeam “carousel” is delimited, but not fully solved. Some 8–10 subbeams are indicated for an equatorward sightline traverse and 25–40 for a polarward one. Either alternative indicates a subbeam circulation time much longer than predicted by theory. Polarized subbeam maps show complex structure and suggest that the star's polarized modes are angularly disjoint.
Key words: stars: pulsars: individual: B0809+74 / polarization / radiation mechanisms: non-thermal
© ESO, 2006
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