SP-538 January 2004

Second Eddington Workshop

Stellar Structure and Habitable Planet Finding

9-11 April 2003 Palermo, Italy

SUB Gottingen 7 212 196 901

Organised by European Space Agency and INAF — Osservatorio Astronomico di Palermo

European Spate Agenty Agente spatiale europeenne CONTENTS

Preface ix

Oral Papers

The Eddington baseline mission, F. Favata 3

Models of stellar structure for asteroseismology, F. D'Antona, J. Montalban, I. Mazz- itelli 13

Eddington and the internal constitution of the stars, I. W. Roxburgh 23

Science requirements and their translation into instrumental design, C. Catala, A. Aricha, 0. Boulade, E. Diaz, G. Epstein, F. Favata, K. Home, H. Kjeldsen, D. Lumb, M. Mas-Hesse,

1. Roxburgh 39

CCD selection for Eddington, D. Lumb 47

Laboratory tests of Eddington photometry, D. M. Walton, G. Ramsay, A. Smith 51

The Eddington CCD data simulator, T. Arentoft, H. Kjeldsen, J. De Ridder, D. Stello 59

The Eddington light curve simulator, J. De Ridder, H. Kjeldsen, T. Arentoft, A. Claret 67

Choosing the proper transit detection algorithm for Eddington, B. Tingley 71 The nature of OGLE transiting planet candidates, J. Eisloffel, M. Kiirster, A. P. Hatzes, E. Guenther 81 Asteroseismology and extrasolar planets of K Giants, A. P. Hatzes, J. Setiawan, L. Pasquini,

L. da Silva 87

The Sun as a reference for Eddington, S. Turck-Chieze 95

Pulsating pre-main sequence stars as possible Eddington targets, K. Zwintz, W. W. Weiss 105 Mode extraction from time series: from the challenges of COROT to those of Edding- ton,T. Appourchaux, O. Moreira, G. Berthomieu, T. Toutain 109

Colour information in asteroseismology, R. Garrido 117

P Cep stars as (asteroseismo)logical targets for Eddington, G. Handler 127

Inferring information about rotation from stellar oscillations, M. J. Goupil, R. Samadi, J. Lochard, W. A. Dziembowski, A. Pamyatnykh 133 Asteroseismology of white dwarfs and subdwarf B stars, R. Silvotti 141

Eddington and stellar-rotation studies: light curve analysis tools and ground-based follow-up spectroscopy, K. G. Strassmeier, K. Olah 149

Search for an optimal Eddington planet finding field, M. Barbieri, G. Piotto, R. U. Claudi, G. Crescenzio, S. Desidera, A. Baruffolo, L. R. Bedin, G. Bertelli, R. Gratton, F. Marzari, M. Montalto, S. Ortolani 163

The Kepler mission: a technical overview, W. Borucki, D. Koch, A. Boss, E. Dunham, A. Dupree, J. Geary, R. Gilliland, S. Howell, J. Jenkins, Y. Kondo, D. Latham, J. Lissauer, H. Reitsema 177

Calibration strategy for the COROT photometry, J.-T. Buey, M. Auvergne, V. Lapeyrere, P. Boumier 183

Performance of the COROT CCD for high-accuracy photometry, P. Bernardi, V. Lapeyrere, J.-T. Buey, J. Parisot, R. Schmidt, B. LeRuyet, D. Tiphene, O. Gilard, G. Rolland 191

Solar-like oscillations: lessons from ground-based observations, T. R. Bedding, H. Kjeld- sen 197

Recent results from the Berlin Exoplanet Search Telescope, H. Rauer, H. Voss, A. Erikson,

A. P. Hatzes, J. Eisloffel, E. Guenther 201

The performance of a high-precision photometry mission in space, D. L. Buzasi 205

Impact of stellar micro-variability on Eddington's planet-finding capability, S. Aigrain,

F. Favata, G. Gilmore 215

Darwin - the scientific constraints, C. V. M. Fridlund 225

Should Eddington concentrate on M stars?, H. J. Deeg 231 Ground-based characterization of the Eddington Planet Finding Field, G. Piotto, S. Desi- dera, R. U. Claudi, M. Barbieri, A. Baruffolo, L. R. Bedin, G. Bertelli, G. Crescenzio, R. Gratton, F. Marzari, Y. Momany, M. Montalto, S. Ortolani 239

Poster Papers

ENEAS: the European Network of Excellence in AsteroSeismology, C. Aerts, A. Baglin, J. Christensen-Dalsgaard, M.-J. Goupil, G. Houdek, H. Kjeldsen, Z. Kollath, D. Kurtz, Y. Lebreton, C. Maceroni, A. Noels, A. Schwarzenberg-Czerny, P. Skoda, E. Solano, M. J. Thompson . 247

Characterisation of the Eddington planet finding field using VST + OmegaCAM, J.M. Al- cala, R. Silvotti, A. Grado, M. Pavlov, E. Covino, D. de Martino, V. Ripepi 251

Strategies to recognize false alarms in transit experiments: experiences from the STARE project, R. Alonso, H. J. Deeg, T. M. Brown, J. A. Belmonte 255

Wide field astronomy with small size telescopes, M. Badiali, A. Carusi, A. M. Di Lellis, M. Frutti, C. D. La Padula, G. R. Lemaitre, P. Montiel, D. Nanni, A. Vignato, G. B. Valsec- chi, R. F. Viotti 261

Extraction of the convective zone extension from solar-like stars., J. Ballot, R. A. Garcia, S. Turck-Chieze 265

The stellar population in the field of the a Persei Cluster, D. Barrado y Navascues 269

Determining the helium abundance of stellar envelopes, S. Basu, H. M. Antia, P. Demar- que 273

Pulsating subdwarf B stars: late stages of stellar evolution, M. Billeres, B. Green,

G. Fontaine 277

Microlensing of a non-radially pulsating star, A. Bonanno, M. Sereno 281

Use of Eddington data in revealing small amplitude effects in multiple-body systems, T. Bor- kovits, V. Konyves, T. Hegediis 285

Non-radial pulsations in Be stars, D. Briot 289

The ASIAGO exo-planet transits search, R. U. Claudi, S. Desidera, R. Gratton, P. Bruno 293 The SARG search for planets: first results, R. U. Claudi, M. Barbieri, G. Bonanno, E. Car- retta, R. Cosentino, S. Desidera, M. Endl, R. Gratton, S. Lucatello, F. Marzari, S. Scud- eri 297

CHEOPS: a second generation VLT instrument for the direct detection of exo-planets, R. U. Claudi, J. Costa, M. Feldt, R. Gratton, A. Amorim, Th. Henning, S. Hippler, R. Neuhauser, C. Pernechele, M. Turatto, H. M. Schmid, R. Waters, H. Zinnecker 301

The role of Eddington in variability studies of accreting white dwarfs, D. de Martino, R. Silvotti 305

An approach to Eddington science using OMC INTEGRAL data, R. M. Dommguez, C. Regulo, T. Roca Cortes 309

Eddington mission payload ACS jitter analysis and light distribution study, R. Drummond,

F. Favata, H. Kjeldsen, C. Catala 313

Dynamical simulations of planetary systems, A. Erikson, H. Rauer 317

A system engineering study of the Eddington onboard science data processing chain, R. A. Gowen, D. Walton, P. Guttridge 321 Small frequency separations as seen in the autocorrelation function of the whole-disk mea- surements, Sh. S. Kholikov, I.W. Roxburgh, S.V. Vorontsov 331

Colour correlated noise: can it improve the S/N of the Eddington data?, H. Kjeldsen, B. Tingley 335

Hydrodynamic escape of exo-planetary atmospheres, H. Lammer, F. Selsis, I. Ribas, E. F. Guinan, S. J. Bauer, W. W. Weiss 339

Modelling the rotational modulation of the total solar irradiance as observed by VIRGO on SoHO, A. F. Lanza, M. Rodono, I. Pagano, P. Barge, A. Llebaria 343

Summer 2002 multisite campaign: photometric observations of the open cluster NGC 6633, S. Martin, R. Alonso, E. Rodriguez, M. Ashley, M. Hidas, S.-L. Kim, Y.-B. Jeon, C. Akan, E. Poretti, M. Irwin, A. de Ugarte, M. Bossi, F. M. Zerbi, J. C. Suarez, E. G. Hintz 349

7 Doradus stars as Eddington targets: a spectroscopic study, P. Mathias, E. Chapellier, J.-M. Le Contel, S. Jankov, J.-P. Sareyan, R. Garrido, E. Rodriguez, E. Poretti, M. Al- varez, A. Arellano Ferro, L. Parrao, J. Peha, L. Eyer, C. Aerts, P. De Cat, W. W. Weiss, A. Zhou 355 REM (Rapid Eye Mount) robotic observations to investigate spot-induced against planetary transit-induced brightness variations, S. Messina, G. Cutispoto, M. Rodono 359

Non-adiabatic pulsations in 5 Scuti stars, A. Moya, R. Garrido, M. A. Dupret 365

Seismology of Be stars, C. Neiner, A.-M. Hubert, M. Floquet 369

Global fitting of power spectra of solar-like stars, C. Neiner, T. Appourchaux 373

A possible method for detecting a convective core, P. A. P. Nghiem, J. Ballot, L. Piau,

S. Turck-Chieze 377

Future status of single sites in asteroseismology, M. Paparo 381

On the detection of oscillations in pre-main sequence low mass stars, F. J.G. Pinheiro, M. J. P. F. G. Monteiro, D. F. M. Folha 385 Error propagation for multi-periodic least-squares fits - Phase lag based mode identification for Eddington, P. Reegen 389

Testing the identification of p-mode frequencies in solar-like stars, C. Regulo, F. Perez Hernandez, T. Roca Cortes 393

Pre-main sequence stars as candidates for Eddington, V. Ripepi, M. Marconi 397

The scattering of acoustic waves by a stellar core as seen in the small frequency separations,

I. W. Roxburgh, S.V. Vorontsov 403

Multi-planet system detection with Eddington, J. Schneider 407

SOHO MDI CCD performance, J. Schou 411 The prompt particle background and micrometeoroid environment at L2 and its implications for Eddington, D. R. Smith, R. M. Ambrosi, A. D. Holland, I. B. Hutchinson, A. Wells 417

The GAUDI system: a data server for the COROT ground-based asteroseismology pro- gramme and its application to Eddington, E. Solano, R. Gutierrez, C. Catala (on be- half of the COROT Seismology Ground-Based Observation Working Group) 421

Characterization of the field population in the Pleiades cluster region for Eddington, A. Stankov, F. Favata 425 Preliminary numerical effects of shellular rotation on adiabatic frequencies, J. C. Suarez, M.-J. Goupil, E. Michel, W. Dziembowski, Y. Lebreton, P. Morel 431

Additional science potential for COROT, W. W. Weiss, C. Aerts, S. Aigrain, G. Ale- cian, E. Antonello, A. Baglin, M. Bazot, A. Collier-Cameron, S. Charpinet, A. Gamarova, G. Handler, A. Hatzes, A.-M. Hubert, H. Lammer, T. Lebzelter, C. Maceroni, M. Marconi, D. de Martino, E. Janot-Pacheco, I. Pagano, E. Paunzen, F.J.G. Pinheiro, E. Poretti, I. Ribas, V. Ripepi, F. Roques, R. Silvotti, J. Surdej, G. Vauclair, S. Vauclair, K. Zwintz 435

Author Index 449

List of participants 455