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Multiwavelength spectral and high time resolution observations of SWIFT J1753.5-0127: new activity?
M. Durant, P. Gandhi, T. Shahbaz +2
We have conducted an extensive observational campaign of SWIFT J1753.5-0127 during June 2007 after its bright outburst episode in 2005. We have performed multi-band optical photome…
SWIFT J1753.5-0127: a surprising optical/X-ray cross-correlation function
Martin Durant, Poshak Gandhi, Tariq Shahbaz +4
We have conducted optical and X-ray simultaneous observations of SWIFT J1753.5-0127 with RXTE and ULTRACAM, while the system persisted in its relatively bright low/hard state. In t…
Swift J1753.5-0127: The Black Hole Candidate with the shortest orbital period
C. Zurita, M. Durant, M. A. P. Torres +3
We present time-resolved photometry of the optical counterpart to the black hole candidate Swift J1753.5-0127, which has remained in the low/hard X-ray state and bright at optical/…
A search for the optical counterpart to the magnetar CXOU J010043.1-721134
Martin Durant, Marten H. van Kerkwijk
After our tentative detection of an optical counterpart to CXOU J010043.1-721134 from archival Hubble Space Telescope (HST) imaging, we have followed up with further images in four…
The Unusual Binary Pulsar PSR J1744-3922: Radio Flux Variability, Near-infrared Observation and Evolution
R. P. Breton, M. S. E. Roberts, S. M. Ransom +4
PSR J1744-3922 is a binary pulsar exhibiting highly variable pulsed radio emission. We report on a statistical multi-frequency study of the pulsed radio flux variability which sugg…
Multi-wavelength variability of the magnetar 4U 0142+61
Martin Durant, Marten H. van Kerkwijk
We have collected data spanning seven years of observations of the magnetar 4U 0142+61 in the infrared, optical and soft X-rays. These combine our own observations and analysis of…