Now showing items 1-20 of 38

  • 10,000 particles 

    Dobbs, Clare (University of Exeter, 2012-12-14)
    Subset of 10,000 particles from high resolution galaxy simulation followed over time.
  • Accuracy of stellar parameters of exoplanet-host stars determined from asteroseismology 

    Mulet-Marquis, C.; Baraffe, I.; Aigrain, Suzanne; Pont, F. (EDP Sciences, 2009)
    Context. In the context of the space-based mission CoRoT, devoted to asteroseismology and search for planet transits, we analyse the accuracy of fundamental stellar parameters (mass, radius, luminosity) that can be obtained ...
  • Bayesian detection of planetary transits. A modified version of the Gregory-Loredo method for Bayesian periodic signal detection 

    Aigrain, Suzanne; Favata, F. (EDP Sciences, 2002)
    The detection of planetary transits in stellar photometric light-curves is poised to become the main method for finding substantial numbers of terrestrial planets. The French-European mission COROT (foreseen for launch in ...
  • Characterising stellar micro-variability for planetary transit searches 

    Aigrain, Suzanne; Favata, F.; Gilmore, G. (EDP Sciences, 2004)
    A method for simulating light curves containing stellar micro-variability for a range of spectral types and ages is presented. It is based on parameter-by-parameter scaling of a multi-component fit to the solar irradiance ...
  • Collapse of a molecular cloud core to stellar densities: stellar core and outflow formation in radiation magnetohydrodynamics simulations (Dataset) 

    Bate, Matthew R.; Tricco, Terrence S.; Price, Daniel J. (University of Exeter (Data), 2013-10-10)
    This is the dataset that was used to produce the paper published in MNRAS. It contains the output from each of the SPH simulations, including dump files and the scripts used to generate the figures for the paper. To view ...
  • Combining radiative transfer and diffuse interstellar medium physics to model star formation (Dataset) 

    Keto, Eric R.; Bate, Matthew R. (University of Exeter (dataset) / Oxford University Press (paper), 2015-04-23)
    This is the dataset that was used to produce the associated paper, published in MNRAS. It contains the output from each of the SPH simulations, including dump files and the scripts used to generate the figures for the ...
  • Comparative blind test of five planetary transit detection algorithms on realistic synthetic light curves 

    Moutou, C.; Pont, F.; Barge, P.; Aigrain, Suzanne; Auvergne, M.; Blouin, D.; Cautain, R.; Erikson, A.; Guis, V.; Guterman, P.; Irwin, Mike; Lanza, A. F.; Queloz, D.; Rauer, H.; Voss, H.; Zucker, S. (EDP Sciences, 2005)
    Because photometric surveys of exoplanet transits are very promising sources of future discoveries, many algorithms are being developed to detect transit signals in stellar light curves. This paper compares such algorithms ...
  • Dataset from Dobbs et al. 2011. "The properties of the interstellar medium in disc galaxies with stellar" 

    Dobbs, Clare (University of Exeter, 2011-08-16)
    Dataset used for the simulation with 5% feedback (main simulation) in the paper Dobbs, Burkert & Pringle, MNRAS, 417, 1318
  • Datasets for paper: "The dependence of stellar age distributions on GMC environment" 

    Dobbs, Clare (University of Exeter (Datasets) and Oxford journals, 2013-10-09)
    Data used for the paper Dobbs, Pringle & Naylor 2013, MNRAS letters. Also a pdf of the accepted version of the paper is included.
  • Detecting planetary transits in the presence of stellar variability. Optimal filtering and the use of colour information 

    Carpano, S.; Aigrain, Suzanne; Favata, F. (EDP Sciences, 2003)
    Space-based photometric transit searches, such as the ESA mission Eddington (planned for launch in 2007), are expected to detect large numbers of terrestrial planets outside the solar system, including some Earth-like ...
  • Ground-based photometry of space-based transit detections: photometric follow-up of the CoRoT mission 

    Deeg, H. J.; Gillon, M.; Shporer, A.; Rouan, D.; Stecklum, B.; Aigrain, Suzanne; Alapini, Aude; Almenara, J.-M.; Alonso, R.; Barbieri, M.; Bouchy, F.; Eislöffel, J.; Erikson, A.; Fridlund, M.; Eigmüller, P.; Handler, G.; Hatzes, A.; Kabath, P.; Lendl, M.; Mazeh, T.; Moutou, C.; Queloz, D.; Rauer, H.; Rabus, M.; Tingley, B.; Titz, R. (EDP Sciences, 2009)
    The motivation, techniques and performance of the ground-based photometric follow-up of transit detections by the CoRoT space mission are presented. Its principal raison d'être arises from the much higher spatial resolution ...
  • Magnetic activity in the photosphere of CoRoT-Exo-2a. Active longitudes and short-term spot cycle in a young Sun-like star 

    Lanza, A. F.; Pagano, I.; Leto, G.; Messina, S.; Aigrain, Suzanne; Alonso, R.; Auvergne, M.; Baglin, A.; Barge, P.; Bonomo, A. S.; Boumier, P.; Collier Cameron, A.; Comparato, M.; Cutispoto, G.; De Medeiros, J. R.; Foing, B.; Kaiser, A.; Moutou, C.; Parihar, P. S.; Silva-Valio, A.; Weiss, W. W. (EDP Sciences, 2009)
    Context. The space experiment CoRoT has recently detected transits by a hot Jupiter across the disc of an active G7V star (CoRoTExo-2a) that can be considered as a good proxy for the Sun at an age of approximately 0.5 ...
  • Modelling solar-like variability for the detection of Earth-like planetary transits. II. Performance of the three-spot modelling, harmonic function fitting, iterative nonlinear filtering, and sliding boxcar filtering 

    Bonomo, A. S.; Aigrain, Suzanne; Bordé, P.; Lanza, A. F. (EDP Sciences, 2009)
    Aims. As an extension of a previous work, we present a comparison of four methods of filtering solar-like variability to increase the efficiency of detection of Earth-like planetary transits by means of box-shaped transit ...
  • The morphology of the Milky Way - I. Reconstructing CO maps from simulations in fixed potentials (dataset) 

    Price, Daniel J.; Acreman, David M.; Pettitt, Alex R.; Dobbs, Clare (University of Exeter, 2014-06-19)
    Datasets for spiral, bar, and barred-spiral smoothed particle hydrodynamical simulations used in the paper Pettitt, Dobbs, Acreman & Price 2014. Also included are the integrated longitude-velocity maps created using a ...
  • Noise properties of the CoRoT data. A planet-finding perspective 

    Aigrain, Suzanne; Pont, F.; Fressin, F.; Alapini, Aude; Alonso, R.; Auvergne, M.; Barbieri, M.; Barge, P.; Bordé, P.; Bouchy, F.; Deeg, H. J.; De la Reza, R.; Deleuil, M.; Dvorak, R.; Erikson, A.; Fridlund, M.; Gondoin, P.; Guterman, P.; Jorda, L.; Lammer, H.; Léger, A.; Llebaria, A.; Magain, P.; Mazeh, T.; Moutou, C.; Ollivier, M.; Pätzold, M.; Queloz, D.; Rauer, H.; Rouan, D.; Schneider, J.; Wuchterl, G.; Zucker, S. (EDP Sciences, 2009)
    In this short paper, we study the photometric precision of stellar light curves obtained by the CoRoT satellite in its planet-finding channel, with a particular emphasis on the time scales characteristic of planetary ...
  • The photospheric abundances of active binaries. I. Detailed analysis of HD 113816 (IS Vir) and HD 119285 (V851 Cen) 

    Katz, D.; Favata, F.; Aigrain, Suzanne; Micela, G. (EDP Sciences, 2003)
    The high-resolution optical spectra of the two X-ray active binaries RS CVn stars HD113816 (IS Vir) and HD119285 (V851 Cen) are analysed and their Na, Mg, Al, Si, Ca, Sc, Ti, Co and Ni contents determined, in the framework ...
  • Photospheric activity and rotation of the planet-hosting star CoRoT-4a 

    Lanza, A. F.; Aigrain, Suzanne; Messina, S.; Leto, G.; Pagano, I.; Auvergne, M.; Baglin, A.; Barge, P.; Bonomo, A. S.; Collier Cameron, A.; Cutispoto, G.; Deleuil, M.; De Medeiros, J. R.; Foing, B.; Moutou, C. (EDP Sciences, 2009)
    Aims. The space experiment CoRoT has recently detected a transiting hot Jupiter in orbit around a moderately active F-type mainsequence star (CoRoT-4a). This planetary system is of particular interest because it has an ...
  • Planetary transit candidates in Corot-IRa01 field 

    Carpano, S.; Cabrera, J.; Alonso, R.; Barge, P.; Aigrain, Suzanne; Almenara, J.-M.; Bordé, P.; Bouchy, F.; Carone, L.; Deeg, H. J.; De la Reza, R.; Deleuil, M.; Dvorak, R.; Erikson, A.; Fressin, F.; Fridlund, M.; Gondoin, P.; Guillot, T.; Hatzes, A.; Jorda, L.; Lammer, H.; Léger, A.; Llebaria, A.; Magain, P.; Moutou, C.; Ofir, A.; Ollivier, M.; Janot-Pacheco, E.; Pätzold, M.; Pont, F.; Queloz, D.; Rauer, H.; Régulo, C.; Renner, S.; Rouan, D.; Samuel, B.; Schneider, J.; Wuchterl, G. (EDP Sciences, 2009)
    Context. CoRoT is a pioneering space mission devoted to the analysis of stellar variability and the photometric detection of extrasolar planets. Aims. We present the list of planetary transit candidates detected in the ...
  • Planetary transit candidates in CoRoT-LRc01 field 

    Cabrera, J.; Fridlund, M.; Ollivier, M.; Gandolfi, D.; Csizmadia, Sz.; Alonso, R.; Aigrain, Suzanne; Alapini, Aude; Almenara, J.-M.; Barge, P.; Bonomo, A. S.; Bordé, P.; Bouchy, F.; Bruntt, H.; Carone, L.; Carpano, S.; Deeg, H. J.; De la Reza, R.; Deleuil, M.; Dvorak, R.; Erikson, A.; Gillon, M.; Gondoin, P.; Guenther, E. W.; Guillot, T.; Hartmann, M.; Hatzes, A.; Hébrard, G.; Jorda, L.; Lammer, H.; Léger, A.; Llebaria, A.; Lovis, C.; Magain, P.; Mayor, M.; Mazeh, T.; Moutou, C.; Ofir, A.; Pätzold, M.; Pepe, F.; Pont, F.; Queloz, D.; Rabus, M.; Rauer, H.; Régulo, C.; Renner, S.; Rouan, D.; Samuel, B.; Santerne, A.; Schneider, J.; Shporer, A.; Stecklum, B.; Tingley, B.; Udry, S.; Wuchterl, G. (EDP Sciences, 2009)
    Aims. We present here the list of planetary transit candidates detected in the first long run observed by CoRoT: LRc01, towards the galactic center in the direction of Aquila, which lasted from May to October 2007. Methods. ...
  • Planetary transit candidates in the CoRoT initial run: resolving their nature 

    Moutou, C.; Pont, F.; Bouchy, F.; Deleuil, M.; Almenara, J.-M.; Alonso, R.; Barbieri, M.; Bruntt, H.; Deeg, H. J.; Fridlund, M.; Gandolfi, D.; Gillon, M.; Guenther, E. W.; Hatzes, A.; Hébrard, G.; Loeillet, B.; Mayor, M.; Mazeh, T.; Queloz, D.; Rabus, M.; Rouan, D.; Shporer, A.; Udry, S.; Aigrain, Suzanne; Auvergne, M.; Baglin, A.; Barge, P.; Benz, W.; Bordé, P.; Carpano, S.; De la Reza, R.; Dvorak, R.; Erikson, A.; Gondoin, P.; Guillot, T.; Jorda, L.; Kabath, P.; Lammer, H.; Léger, A.; Llebaria, A.; Lovis, C.; Magain, P.; Ollivier, M.; Pätzold, M.; Pepe, F.; Rauer, H.; Schneider, J.; Wuchterl, G. (EDP Sciences, 2009)
    With the release of CoRoT lightcurves of the Initial Run IRa01, 50 transiting planetary candidates have been published in a companion paper. About twenty of them were identified as binary stars from the CoRoT lightcurve ...