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The MOG weak field approximation and observational test of galaxy rotation curves
As an alternative to dark matter models, MOdified Gravity (MOG) theory can compensate for dark matter by a covariant modification of Einstein gravity. The theory introduces two additional scalar…
PHYSICAL PROPERTIES OF THE 0.94-DAY PERIOD TRANSITING PLANETARY SYSTEM WASP-18 ⁄
- J. Southworth, T. Hinse, F. Zimmer
- Physics, Geology
- 10 December 2009
We present high-precision photometry of five consecutive transits of WASP-18, an extrasolar planetary system with one of the shortest orbital periods known. Through the use of telescope defocusing we…
High-precision photometry by telescope defocussing. I. The transiting planetary system WASP-5
- J. Southworth, T. Hinse, M. Zub
- Physics, Geology
- 12 March 2009
We present high-precision photometry of three transits of the extrasolar planetary system WASP-2, obtained by defocussing the telescope, and achieving point-to-point scatters of between 0.42 and 0.73…
Physical properties, transmission and emission spectra of the WASP-19 planetary system from multi-colour photometry
- L. Mancini, S. Ciceri, J. Surdej
- Physics, Geology
- 27 June 2013
We present new ground-based, multi-colour, broad-band photometric measurements of the physical parameters, transmission and emission spectra of the transiting extrasolar planet WASP-19b. The…
Multifractal detrended fluctuation analysis of sunspot time series
- M. Movahed, G. Jafari, F. Ghasemi, S. Rahvar, M. R. R. Tabar
- Physics
- 20 August 2005
We use multifractal detrended fluctuation analysis (MF-DFA), to study sunspot number fluctuations. The result of the MF-DFA shows that there are three crossover timescales in the fluctuation…
The EROS2 search for microlensing events towards the spiral arms: the complete seven season results
- Y. Rahal, C. Afonso, F. T. Collaboration
- Physics, Geology
- 9 January 2009
the EROS-2 project has been designed to search for microlensing events towards any dense stellar field. The densest parts of the Galactic spiral arms have been monitored to maximize the microlensing…
High-precision photometry by telescope defocussing - II. The transiting planetary system WASP-4
- J. Southworth, T. Hinse, M. Zub
- Physics, Geology
- 20 July 2009
We present high-precision photometry of two transit events of the extrasolar planetary system WASP-5, obtained with the Danish 1.54 m telescope at ESO La Silla. In order to minimise both random and…
High-precision photometry by telescope defocusing – VII. The ultrashort period planet WASP-103
- J. Southworth, L. Mancini, J. Surdej
- Physics, Geology
- 11 November 2014
We present 17 transit light curves of the ultrashort period planetary system WASP-103, a strong candidate for the detection of tidally-induced orbital decay. We use these to establish a…
High-precision photometry by telescope defocusing - IV. Confirmation of the huge radius of WASP-17 b
- J. Southworth, M. Dominik, J. Surdej
- Physics, Geology
- 24 July 2012
We present photometric observations of four transits in the WASP-17 planetary system, obtained using telescope defocusing techniques and with scatters reaching 0.5?mmag per point. Our revised orbital…
Physical properties and transmission spectrum of the WASP-80 planetary system from multi-colour photometry
- L. Mancini, J. Southworth, O. Wertz
- Physics, Geology
- 17 December 2013
WASP-80 is one of only two systems known to contain a hot Jupiter which transits its M-dwarf host star. We present eight light curves of one transit event, obtained simultaneously using two…
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