SWIFT J1753.5-0127: orbital period, high-frequency timing analysis and multi-band observations.

Details SWIFT J1753.5-0127: orbital period, high-frequency timing analysis and multi-band observations. SWIFT J1753.5-0127: orbital period, high-frequency timing analysis and multi-band observations.

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..984..256d&link_type=abstract

HIGH TIME RESOLUTION ASTROPHYSICS: The Universe at Sub-Second Timescales. AIP Conference Proceedings, Volume 984, pp. 256-263 (

Astronomy and Astrophysics

Astrophysics

1

Time Series Analysis, Time Variability, Photometric, Polarimetric, And Spectroscopic Instrumentation, X-Ray Binaries, Ground-Based Ultraviolet, Optical And Infrared Telescopes

Scientific paper

We have conducted an extensive observational campaign of SWIFT J1753.5-0127 over the last year, since its bright our-burst episode in 2005. Using long time baseline optical photometry, we have found a new period suggestive of orbital modulation with a period of 3.2 h, we have simultaneous multi-band photometry, and high-frequency multi-band photometry from ULTRACAM. In the latter data, we find evidence for a broad quasi-periodic oscillation in the g' and r' bands centred on a period of ~25 s and a narrower one of period ~12 s.

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