Evolution of the periodicities in 2S 0114+650
Astrophysics
2010-03-26 v1
Abstract
We have analysed nine years of data from the All Sky Monitor on the Rossi X-ray Timing Explorer for 2S 0114+650 to study the evolution of its spin, binary and super-orbital periods. The spin history of the neutron star in this system exhibits torque reversals lasting ~1 yr. The newly discovered super-orbital period has remained stable over the 9-yr span, making 2S 0114+650 the fourth known system to exhibit stable super-orbital modulation. We compare its super-orbital period evolution with those of the other three such systems.
Cite
@article{arxiv.astro-ph/0603008,
title = {Evolution of the periodicities in 2S 0114+650},
author = {Ravi Sood and Sean Farrell and Paul O'Neill and Ravi Manchanda and N. M. Ashok},
journal= {arXiv preprint arXiv:astro-ph/0603008},
year = {2010}
}
Comments
4 pages, 3 figures. Presented at 2005 COSPAR Colloquium on Spectra and Timing of Compact X-ray Binaries in Mumbai, India. Accepted for publication by Advances in Space Research, 14th February 2006