SW Sextantis stars are a relatively large group of cataclysmic variables whose properties contradict all predictions made by the current CV evolution theories...
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PublicationUnravelling the Role of the SW Sextantis Stars in the Evolution of Cataclysmic Variables
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PublicationUnravelling the role of the SW Sextantis stars in the evolution of cataclysmic variables
SW Sextantis stars are a relatively large group of cataclysmic variables (CVs) whose properties contradict all predictions made by the current CV evolution...
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PublicationUnsuccessful Optical Search for the 0.006223Hz Pulsar Frequency from the X-Ray Binary MX0656-072
Results from B and R CCD observations of the X-ray Binary system MX0656-072 High Mass X-Ray Binaries are given. No optical pulsations was found from the X-Ray...
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PublicationUnsupervised Classification of RR Lyrae stars
Big Datasets are becoming more and more prominent in the field of astrophysics with new powerful telescopes and surveys capturing parts of our night sky in an...
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PublicationUntangling Sunspot Penumbrae: New Stokes Profile Analyses
We present preliminary analyses of Stokes [I, Q, U, V] spectra of a sunspot penumbra using two different analysis/inversion procedures. It has long been known...
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PublicationUnusual Morphologies from the HST Snapshot Survey of BL Lac Objects: Three Optical Jets and A Possible Einstein Ring
The HST snapshot survey of 108 BL Lac objects has revealed several instances of unusual morphologies, three jets and a possible Einstein ring. Of the three...
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PublicationUnusual optical and X-ray flaring activity in GX 339-4
Since September 2007 we have been monitoring the optical counterpart (V, R and i-bands) of the black hole X-ray binary GX 339-4 with the Faulkes Telescope South...
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PublicationUnveiling New Quiescent BHs with IPHAS
X-ray transients provide the best evidence for the existence of stellar-mass BHs, with 20 confirmed cases based on dynamical studies. However, these are only...
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PublicationUnveiling New Quiescent Black Holes with IPHAS
Soft X-ray transients (SXTs) provide the best evidence for the existence of stellar-mass black holes (BHs) with almost 20 confirmed systems based on dynamical...