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Stroboscopic optical observations of the Crab pulsar

By SpaceRef Editor
January 17, 2003
Filed under , ,

Astrophysics, abstract
astro-ph/0301328


From: Simon Vidrih <[email protected]>
Date: Thu, 16 Jan 2003 16:32:05 GMT (285kb)

Stroboscopic optical observations of the Crab pulsar


Authors:
Simon Vidrih (1),
Andrej Cadez (1),
Mirjam Galicic (1),
Alberto Carraminana (2) ((1) University of Ljubljana, Ljubljana, Slovenia; (2) INAOE, Puebla, Mexico)

Comments: 4 pages, 3 figures. Proceedings of the International Symposium on
Astrophysics Research and on the Dialogue between Science and Religion,
Vatican Observatory, 2002, eds. C. Impey and C. Petry, published by
University of Notre Dame Press


Photometric data of the Crab pulsar, obtained in stroboscopic mode over a
period of more than eight years, are presented here. The applied Fourier
analysis reveals a faint 60 second modulation of the pulsar’s signal, which we
interpret as a free precession of the pulsar.

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