Stroboscopic optical observations of the Crab pulsar

Astrophysics, abstract
astro-ph/0301328

From: Simon Vidrih <simon.vidrih@fmf.uni-lj.si>

Date: Thu, 16 Jan 2003 16:32:05 GMT   (285kb)

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.

References and citations for this submission:

SLAC-SPIRES HEP (refers to ,
cited by, arXiv reformatted)