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Observations of Ultracool dwarfs with ULTRACAM on the VLT: a search for weather
S. P. Littlefair, V. S. Dhillon, T. R. Marsh +2
We present multi-colour photometry of four field ultracool dwarfs with the triple-beam photometer ultracam. Data were obtained simultaneously in the Sloan-g' band and a specially d…
Roche tomography of cataclysmic variables -- III. Starspots on AE Aqr
C. A. Watson, V. S. Dhillon, T. Shahbaz
We present a Roche tomography reconstruction of the secondary star in the cataclysmic variable AE Aqr. The tomogram reveals several surface inhomogeneities that are due to the pres…
The 2005 outburst of the halo black hole X-ray transient XTE J1118+480
C. Zurita, M. A. P. Torres, D. Steeghs +15
We present optical and infrared monitoring of the 2005 outburst of the halo black hole X-ray transient XTE J1118+480. We measured a total outburst amplitude of ~5.7+-0.1 mag in the…