Exoplanets and Stellar Physics

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The Monitor project: Rotation of low-mass stars in the open cluster NGC 2547

(2007)

Authors:

Jonathan Irwin, Simon Hodgkin, Suzanne Aigrain, Jerome Bouvier, Leslie Hebb, Estelle Moraux
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WASP-3b: a strongly-irradiated transiting gas-giant planet

(2007)

Authors:

D Pollacco, I Skillen, A Collier Cameron, B Loeillet, HC Stempels, F Bouchy, NP Gibson, L Hebb, G Hebrard, YC Joshi, I McDonald, B Smalley, AMS Smith, RA Street, S Udry, RG West, DM Wilson, PJ Wheatley, S Aigrain, CR Benn, VA Bruce, DJ Christian, WI Clarkson, B Enoch, A Evans, A Fitzsimmons, CA Haswell, C Hellier, S Hickey, ST Hodgkin, K Horne, M Hrudkova, J Irwin, SR Kane, FP Keenan, TA Lister, P Maxted, M Mayor, C Moutou, AJ Norton, JP Osborne, N Parley, F Pont, D Queloz, R Ryans, E Simpson
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The Centre of M83

ArXiv 0710.1727 (2007)

Authors:

RCW Houghton, N Thatte

Abstract:

Stellar kinematics show no evidence of hidden mass concentrations at the centre of M83. We show the clearest evidence yet of an age gradient along the starburst arc and interpret the arc to have formed from orbital motion away from a starforming region in the dust lane.
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Intercomparison of tropical tropospheric humidity in GCMs with AMSU‐B water vapor data

Geophysical Research Letters American Geophysical Union (AGU) 34:17 (2007)

Authors:

Hélène Brogniez, Raymond T Pierrehumbert
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A STEP: Towards a large photometric survey for exoplanets at Dome C

EAS Publications Series 25 (2007) 225-232

Authors:

F Fressin, T Guillot, FX Schmider, A Agabi, C Moutou, S Aigrain, F Bouchy, M Boer, F Pont, A Erikson, H Rauer

Abstract:

We present "A STEP" (Antarctica Search for Transiting Extrasolar Planets), a project dedicated to the search for planetary transits from Antartica. The project consists of a semi-automatic ∼40 cm telescope equipped with a 16-million-pixel CCD installed at Dome C. The site offers crucial assets for a ground-based exoplanet transit search: uninterrupted phase coverage, excellent weather, low air-mass variations and reduced scintillation. This system would be able to detect Pegasids transiting in front of stars as faint as magnitude sixteen and could also detect smaller planets in close-in period around brighter stars. This short term project is meant to be a photometric qualifyer for the site and the first stage of a massive detection campaign. A mid-term objective of 1000 detections for 2012 could be achieved either with many small telescopes or with a large Schmidt telescope with a large field of view. The project is relatively simple and cost-effective, and has the double purpose of qualifying the site and obtaining first-class scientific results. Our team is already familiar with transit detection with an automated telescope and cold temperature qualification. © EAS, EDP Sciences 2007.
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