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Abstract
Photometric transit surveys promise to complement the currently known sample of extra-solar planets (ESPs) by providing additional information on the planets and especially their radii. Here, we present ESP candidates from one such survey called, the Wide Angle Search for Planets (WASP) obtained with the SuperWASP wide-field imaging system. Observations were taken with SuperWASP North located in La Palma during the 2004 April to October observing season. The data cover fields between 23 and 03 h in RA at declinations above +12. This amounts to over approximate to 400 000 stars with V magnitudes 8-13.5. For the stars brighter than 12.5, we achieve better than 1 per cent photometric precision. Here, we present 41 sources with low-amplitude variability between approximate to 1 and 10 mmag, from which we select 12 with periods between 1.2 and 4.4 d as the most promising ESP candidates. We discuss the properties of these ESP candidates, the expected fraction of transits recovered for our sample and implications for the frequency and detection of hot-Jupiters.
Original language | English |
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Pages (from-to) | 1117-1128 |
Number of pages | 12 |
Journal | Monthly Notices of the Royal Astronomical Society |
Volume | 372 |
Issue number | 3 |
DOIs | |
Publication status | Published - 1 Nov 2006 |
Keywords
- methods : data analysis
- planetary systems formation
- stars : variables : other
- CLUSTERS EXTENSIVE SEARCH
- PLANETS PROTOTYPE WASP0
- EXTRASOLAR GIANT PLANET
- HOT JUPITERS
- DETECTION ALGORITHMS
- BETA-PICTORIS
- LIGHT CURVES
- ANGLE SEARCH
- STAR
- METALLICITY
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Dive into the research topics of 'The SuperWASP wide-field exoplanetary transit survey: candidates from fields 23 h <RA <03 h'. Together they form a unique fingerprint.Projects
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Astrophysics at St Andrews: Astrophysics at St.Andrews
Cameron, A. C. (PI) & Horne, K. D. (CoI)
1/04/06 → 31/03/11
Project: Standard