Photometric Variability of Be/X-ray-Pulsar Binaries in the SMC

Details Photometric Variability of Be/X-ray-Pulsar Binaries in the SMC Photometric Variability of Be/X-ray-Pulsar Binaries in the SMC

2006-05-16

arxiv.org/abs/astro-ph/0605395v1

Astronomy and Astrophysics

Astrophysics

20 pages and 7 figures

Scientific paper

We have studied the photometric variability of ten SMC Be/X-ray pulsars using MACHO and OGLE-II data. For some of these systems we have found periodic behavior, including orbital outbursts and/or nonradial pulsations (NRP) of the Be star. For others we were unable to identify any clear photometric periodicity, although their longterm light curves show significant structure. We present periodograms, phase dispersion minimization (PDM) variances, and folded light curves for the systems which exhibit periodic photometric variability.

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