2nd CoRoT Brazil Workshop Ubatuba, November 2005 1 AcRoCorot (Stellar)ActivityRotation After LoI and 1sr Corot Brasil meeting, a need for people with similar.

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Presentation transcript:

2nd CoRoT Brazil Workshop Ubatuba, November AcRoCorot (Stellar)ActivityRotation After LoI and 1sr Corot Brasil meeting, a need for people with similar scientific interest to gather and organize particularly many interests in getting Corot data to study rotation and stellar activity AOJuly 05+ Selection (Sept 05): over 45 proposals, 28 accepted out of which: 10 at least concern AcRoCorot with Corot

2nd CoRoT Brazil Workshop Ubatuba, November AcRoCoRoT 8 PMS stars as active, often fast rotating stars: 1 PMS star instability strip C. Catala 2 4 Asteroseismologocal determination of stellar rotation axes L. Gizon 34 PMS stars in open cluster: Dolidze 25 V. Ripepi

2nd CoRoT Brazil Workshop Ubatuba, November Questions such as (poster #6 Del Peloso) What physical processes control the behavior of rotation during stellar evolution from PMS to PostMS Giants? How does magnetic breaking affect rotation ? What physical processes control the generation of magnetic field? What type(s) of dynamo is at play in stellar interiors? Do we correctly understand and model surface structures such as spots and stellar granulation ? What is the exact nature of the interplay between rotation, convection and activity ?

2nd CoRoT Brazil Workshop Ubatuba, November AcRoCorot objectives : be ready when data come to use them efficiently hence organisation of meetings such as the present one to motivate - teams with similar interest to continue to meet and talk (collaboration, exchange of brain thinkings and tools) - teams with accepted proposal to work it out in more details * feasibility (observational requirements- adopted techniques) * lists of target stars

2nd CoRoT Brazil Workshop Ubatuba, November At this meeting, 1. Rotation ('on its own') * Transport mechanisms inside stars with Seismic tests * Sun in time:evolution of rotation from PMS to postMS with Microvariability, Relation P rotation -activity indic.(Rossby)- stellar parameters(age) 2. Stellar Activity/Rotation *Short term activity and granulation * Spots Microvariability, P rotation -activity indic.(Rossby)- stellar parameters(age) 3. PMS Stars 4. Seismology Measurements of rotation rate, of inclination angle, …age, … Posters #

2nd CoRoT Brazil Workshop Ubatuba, November nd COROT BRAZIL WORKSHOP November 02 – 06, 2005 Wembley Inn Hotel, Ubatuba Program Friday 4 th November Session 3: AcroCoRoT: Rotation/Activity (1st part) Chairperson: S. Vauclair 09h00–10h30 * M. Goupil: The AcroCoRoT objectives (10 min) * J.-P. Zahn: Effet de rotation et champ manetique sur le transport du moment angulaire: aspects theoriques (30 min) * A. Moya: Seismic tests of rotationally-induced transport mechanisms in star (20 min) * J. Renan de Medeiros & J. Dias do Nascimento: The Accepted AP: “Stellar angular momentum evolution with the Corot mission”: observational requirements, feasability, expectations (20 min) * J. Dias do Nascimento& J. Renan de Medeiros: The Accepted AP: “The Sun in Time: the history of the solar angular momentum”: observational requirements, feasability, expectations (20 min) 10h30–11h00:Coffee / Poster Break 11h00–12h30 * S. Aigrain: Modelling and simulating stellar micro-variability (30 min) * F. Baudin & R. Samadi: An improved light curve simulator for COROT (20 min) * S. Aigrain: The accepted AP: An unbiased study of rotation and stochastic variability and flaring”; “ Convection and short term activity”: observational requirements, feasability, expectations (20 min) * R. Samadi & F. Baudin: The accepted AP: “Characterization of stellar granulation and stellar activity” observational requirements, feasability, expectations (20 min) 13h00: Lunch and free afternoon Friday 4 th November Session 3: AcroCoRoT: Rotation/Activity (1st part) Chairperson: S. Vauclair 09h00–10h30 * M. Goupil: The AcroCoRoT objectives (10 min) * J.-P. Zahn: Effet de rotation et champ manetique sur le transport du moment angulaire: aspects theoriques (30 min) * A. Moya: Seismic tests of rotationally-induced transport mechanisms in star (20 min) * J. Renan de Medeiros & J. Dias do Nascimento: The Accepted AP: “Stellar angular momentum evolution with the Corot mission”: observational requirements, feasability, expectations (20 min) * J. Dias do Nascimento& J. Renan de Medeiros: The Accepted AP: “The Sun in Time: the history of the solar angular momentum”: observational requirements, feasability, expectations (20 min) 10h30–11h00:Coffee / Poster Break 11h00–12h30 * S. Aigrain: Modelling and simulating stellar micro-variability (30 min) * F. Baudin & R. Samadi: An improved light curve simulator for COROT (20 min) * S. Aigrain: The accepted AP: An unbiased study of rotation and stochastic variability and flaring”; “ Convection and short term activity”: observational requirements, feasability, expectations (20 min) * R. Samadi & F. Baudin: The accepted AP: “Characterization of stellar granulation and stellar activity” observational requirements, feasability, expectations (20 min) 13h00: Lunch and free afternoon

2nd CoRoT Brazil Workshop Ubatuba, November

8 Seismology Presented In this meeting