SF2A 2011G. Alecian, K. Belkacem, R. Samadi and D. Valls-Gabaud (eds)

Proceedings of the annual meetingof the French Society of Astronomy & Astrophysics

Paris, June 20-23, 2011

Credit: S. Cnudde

© Société Francaise d’Astronomie et d’Astrophysique (SF2A) 2011

ii SF2A 2011

Contents i

Table of contents i

Participant list x

SF2A — Joint session (S00) 1

Orbital characterization of β Pictoris bH. Beust, G. Chauvin, and A.-M. Lagrange 3

Retrieving cosmological signal using cosmic flowsV. Bouillot, and J.-M. Alimi 9

Planetary migration and accretionA. Crida 15

Planck SZ clustersM. Douspis 21

R&D activities for astronomy and astrophysics in FranceP. Kern 27

Properties of unusual void LSBDs versus cosmological simulations predictionsJ.-M. Martin, S. A. Pustilnik, and A. Y. Kniazev 37

Particles acceleration at relativistic shocks and high energy astrophysicsG. Pelletier, and M. Lemoine 39

Stellar physics with GaiaB. Plez 47

Large extragalactic and cosmological surveys (S01) 53

Results from the first three years of operation of the Supernova Legacy Survey (SNLS)C. Balland, and the SNLS collaboration 55

A Bayesian approach to gravitational lens model selectionI. Balmès, and P.-S. Corasaniti 59

Coincident searches between gravitational waves and high-energy neutrinos with the ANTARES andLIGO/Virgo detectorsB. Bouhou, the ANTARES Collaboration, the LIGO Scientific Collaboration, and the Virgo Collabora-tion 63

Galaxies and cosmology with the projects Physics of the Accelerating Universe (PAU) and Dark EnergySurvey (DES)F. J. Castander, on behalf of the PAU, and DES collaborations 69

Constraining type Ia supernova models with SNLS spectraF. Cellier-Holzem, and C. Balland 73

A reionisation scenario from HII regions mergers historiesJ. Chardin, and D. Aubert 77

The influence of the environment in compact galaxy groups: an infrared perspectiveV. Charmandaris, and T. Bitsakis 81

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The star formation rate density and dust attenuation evolution over 12 Gyr with the VVDS surveysO. Cucciati, L. Tresse, O. Ilbert, and O. Le Fèvre 85

Querying for heavily obscured AGN via high 9.7µm optical depths: results from the 12µm, GOODS, andFLS Spitzer spectroscopic samplesK. M. Dasyra, I. Georgantopoulos, A. Pope, and M. Rovilos 91

LBGs properties from z∼3 to z∼6S. de Barros, D. Schaerer, and D. P. Stark 95

A panchromatic study of two pairs of galaxy clustersF. Durret, T. F. Laganá, M. Haider, C. Adami, and E. Bertin 101

A project for an infrared synoptic survey from Antarctica with the Polar Large Telescope (PLT)N. Epchtein, L. Abe, W. Ansorge, M. Langlois, I. Vauglin, S. Argentini, I. Esau, C. David, I. Bryson, G.Dalton, and et al 107

Non-thermal physics of galaxy clustersC. Ferrari 111

Evolution as a confounding parameter in scaling relations for galaxiesD. Fraix-Burnet 115

Mapping the dust properties of nearby galaxies with Herschel and LABOCAM. Galametz, M. Albrecht, R. Kennicutt, F. Bertoldi, F. Walter, A. Weiss, D. Dale, B. Draine, G.Aniano, C. Engelbracht, and et al 119

The DAFT/FADA Survey status and latest resultsL. Guennou 125

Prospects for the cosmological application of polarized Lyman-alpha radiationM. Hayes, and C. Scarlata 129

The formation of large galactic disks: revival or survival?F. Hammer, M. Puech, H. Flores, E. Athanassoula, Y. B. Yang, J. L. Wang, M. Rodrigues, and S.Fouquet 135

High-z galaxies behind the lensing cluster A2667N. Laporte, R. Pelló, D. Schaerer, J. Richard, F. Boone, J.-P. Kneib, and E. Egami 141

The baryon fraction in five galaxy groupsN. Martinet, F. Durret, T. F. Laganá, and G. B. Lima Neto 147

The Next Generation Virgo Cluster Survey: status and first resultsS. Mei, L. Ferrarese, A. Boselli, S. Boissier, F. Bournaud, J. C. Cuillandre, P.-A. Duc, E. Ferrière, R.Gavazzi, S. D. J. Gwyn, and et al 153

Bulge Formation Patterns in APM-SPH simulations: Questions to Be Answered by Future MissionsA. Obreja, R. Domínguez-Tenreiro, M. Doménech-Moral, F. J. Martínez-Serrano, and A. Serna 157

Extragalactic science with EMIR-GTCR. Pelló, F. Garzón, M. Balcells, F. Boone, N. Cardiel, J. G. Cuby, J. Gallego, R. Guzmán, M. Hayes,P. Hudelot, and et al 161

Galaxies and cosmology with ALMAP. Planesas 169

Contents iii

Early-type galaxies: mass-size relation at z ∼ 1.3 for different environmentsA. Raichoor, S. Mei, S. A. Stanford, B. P. Holden, F. Nakata, P. Rosati, F. Shankar, M. Tanaka, H.Ford, M. Huertas-Company, and et al 175

Local host galaxy properties of type Ia supernovae from the Nearby SuperNovae FactoryM. Rigault, Y. Copin, G. Aldering, P. Antilogus, C. Aragon, C. Baltay, S. Bongard, C. Buton, A. Canto,M. Childress, and et al 179

Morphological classification of galaxy clustersF. Rostagni, C. Benoist, and S. Maurogordato 185

Instrumental calibration of wide field imagersF. Villa, and the SNDice collaboration 191

Lyman horizons in the early phases of the epoch of reionizationP. Vonlanthen, and B. Semelin 197

Helio- and astero-seismology, advances and perspectives in the context of newspace missions and ground-based instruments (S02) 201

The helium shells of HeI and HeII at solar minimum: New results from eclipse flash spectra of 2008- 2010C. Bazin, S. Koutchmy, and P. Lamy 203

Calibrating 15 years of GOLF dataG. R. Davies, and R. A. García 207

Seismic inference on the core of the subgiant HD 49385 via mixed modesS. Deheuvels 211

Nonlinear simulations of the convection-pulsation couplingT. Gastine, and B. Dintrans 215

Seismic analysis of two solar-type stars observed by KeplerS. Mathur 221

Red giants unveiledB. Mosser 225

Pulsation modes detected by CoRoT in the hot Be star HD51452C. Neiner, M. Floquet, and the CoRoT Be team 231

Surface convection: from the Sun to red giant starsL. Piau, P. Kervella, S. Dib, and P. Hauschildt 235

Photospheric motions from an observational point of view: HINODE and SDO satellite observationsT. Roudier 241

Stellar activity cycles and asteroseismologyD. Salabert 245

Rotation on the oscillation spectrum of solar-like starsJ. C. Suárez, M.-J. Goupil, D. R. Reese, R. Samadi, F. Lignières, M. Rieutord, and J. Lochard 249

Diffusion-induced iron accumulations and thermohaline convection in A type stars : asteroseismic implica-tionsS. Théado, S. Vauclair, G. Alecian, and F. LeBlanc 253

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Main lessons from GOLF/SOHO instrument on dynamics of the radiative zone, fundamental physics andenergeticsS. Turck-Chièze, R. A. García, L. Piau, and S. Couvidat 257

Stellar and interstellar physics for the modelling of the galaxy and its compo-nents (S03) 261

Orbit of potentially hazardous asteroids using Gaia and ground-based observationsD. Bancelin, D. Hestroffer, and W. Thuillot 263

The Hα Balmer line as an effective temperature criterionR. Cayrel, C. Van’t Veer-Menneret, N. F. Allard, and C. Stehlé 267

Calibration of the Gaia RVS from ground-based observations of candidate standard starsL. Chemin, C. Soubiran, F. Crifo, G. Jasniewicz, D. Katz, D. Hestroffer, and S. Udry 271

The dependence of the galactic star formation laws on metallicityS. Dib, L. Piau, S. Mohanty, and J. Braine 275

Collision rates and the determination of atmospheric parametersA. Spielfiedel, N. Feautrier, M. Guitou, and A. K. Belyaev 283

Kinematic imprints from the bar and spiral structures in the galatic diskF. Figueras, T. Antoja, O. Valenzuela, M. Romero-Gómez, B. Pichardo, and E. Moreno 287

Dust mass in simulations of galaxiesN. Gaudin, and H. Wozniak 291

Determination of the ages of stars from their position in the HR diagramC. Guédé, Y. Lebreton, and G. Dréan 295

The Milky Way stellar populations in CFHTLS fieldsM. Guittet, M. Haywood, and M. Schultheis 299

New SB2 binaries for accurate stellar masses with GaiaJ.-L. Halbwachs, F. Arenou, B. Famaey, P. Guillout, Y. Lebreton, and D. Pourbaix 303

Chemical abundances of A-type dwarfs in the young open cluster M6T. Kılıçoğlu, R. Monier, and L. Fossati 307

Probing the thick disc formation scenarios outside the solar neighbourhoodG. Kordopatis, A. Recio-Blanco, P. de Laverny, G. Gilmore, V. Hill, R. F. G. Wyse, A. Helmi, A. Bijaoui,C. Ordenovic, M. Zoccali, and et al 311

Gaia: luminosity calibrations and distances in the Galaxy and Local GroupX. Luri, and C. Turon 315

Carbon-enhanced metal-poor stars: witnesses of the first generation of starsT. Masseron 321

Spitzer characterization of dust in the ionized medium of the Large Magellanic CloudD. Paradis, R. Paladini, A. Noriega-Crespo, G. Lagache, A. Kawamura, T. Onishi, and Y. Fukui 325

Galactic dust propertiesD. Paradis, and the Hi-GAL team 329

Contents v

SPADES: a Stellar PArameters DEtermination SoftwareH. Posbic, D. Katz, E. Caffau, P. Bonifacio, L. Sbordone, A. Gomez, and F. Arenou 333

The physical parameters of the low-mass multiple system LHS1070 from Spectral synthesis analysisA. S. Rajpurohit, C. Reylé, M. Schultheis, C. Leinert, and F. Allard 339

Simulating the Galaxy and applications to the preparation of the Gaia missionA. C. Robin, C. Reylé, CU2, and Gaia-DPAC consortium 345

Evolution of our galaxy and others with the high-resolution version of the code PÉGASEB. Rocca-Volmerange, A. Sourie, A. Karampelas, M. Kontizas, and P. Tsalmantza 349

Preliminary determination of the Non-LTE Calcium abundance in a sample of extremely metal-poor stars*M. Spite, F. Spite, P. Bonifacio, E. Caffau, S. Andrievsky, S. Korotin, R. Cayrel, and P. François 353

A.S. Gaia: 2007-2011 and perspectivesC. Turon, F. Arenou, and M. Haywood 357

Atmosphere-Ionosphere coupling: atmospheric electricity (TLEs, TGFs, light-ning) and the upper atmosphere physics and chemistry (S04) 361

Natural lightning flashes: from observation to modelingE. Defer, T. Farges, C. Barthe, C. Bovalo, J.-P. Pinty, M. Chong, S. Soula, and P. Ortéga 363

Solar-terrestrial relations and space weather (S05) 367

SOHO observations of oscillatory motions in an eruptive filament: Intensity and velocity variationsK. Bocchialini, S. Koutchmy, and J. Solomon 369

Automated detection and tracking of solar and heliospheric features in the frame of the European projectHELIOX. Bonnin, J. Aboudarham, N. Fuller, C. Renie, D. Perez-Suarez, P. Gallagher, P. Higgins, L. Krista, A.Csillaghy, and R. Bentley 373

Compressible turbulence in astrophysicsS. Galtier, and S. Banerjee 379

The early Earth as a planet in the making (S06) 381

Ghosts in Saturn’s ringsK. Baillié, J.E. Colwell, and L.W. Esposito 383

Solar physics at the advent of the European Solar Telescope (S07) 387

Reconstruction of the solar coronal magnetic field, from active region to large scaleT. Amari, A. Canou, F. Delyon, J. J. Aly, P. Frey, F. Alauzet, and SDO/HMI Team 389

Adaptive optics system performances and large field of view spectropolarimetric observationsG. Aulanier, and G. Molodij 395

Magnetohydrodynamics turbulence: waves or eddies?S. Galtier, and B. Bigot 399

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Scattering polarization of molecular lines at the solar limbI. Milić, and M. Faurobert 401

Simulations of the solar atmosphere and solar limbsL. Piau, R. F. Stein, S. Melo, S. Turck-Chièze, G. Thuillier, and A. Hauchecorne 407

Circumstellar matter with ALMA and HERSCHEL (S08) 411

Observational studies of intermediate-mass protostars with PdBI, 30m, and HerschelT. Alonso-Albi, and A. Fuente 413

An H i 21-cm line survey of evolved starsE. Gérard, T. Le Bertre, and Y. Libert 419

Molecular emission in chemically active protostellar outflowsB. Lefloch 423

Stripping a debris disk by gravitational interaction with an inner planetE. Morey, and J.-F. Lestrade 429

Stellar physics (PNPS) (S10) 433

Theoretical analysis of the He2 line at 585 ÅN. F. Allard, F. X. Gadéa, A. Monari, and B. Deguilhem 435

Absorption profiles of the potassium 4s− 4p and 4p− 5s lines perturbed by heliumN. F. Allard 439

Critical layers for internal waves in stellar radiation zonesL. Alvan, and S. Mathis 443

Characterisation of SPH noise in simulations of protoplanetary discsS. E. Arena, J.-F. Gonzalez, and E. Crespe 449

Planetary migration in weakly magnetized turbulent discsC. Baruteau, S. Fromang, R. P. Nelson, and F. Masset 455

Planets formed by gravitational instability should rapidly migrate inwardC. Baruteau, F. Meru, and S.-J. Paardekooper 459

Numerical modelling of the accretion column in magnetic cataclysmic variablesC. Busschaert, C. Michaut, E. Falize, B. Loupias, A. Ravasio, A. Dizière, H. C. Nguyen, and M. Koenig 463

The Rossby wave instability in 2D viscous protoplanetary discsE. Crespe, J.-F. Gonzalez, and S. E. Arena 469

Numerical simulations of magnetic relaxation in rotating stellar radiation zonesV. Duez 475

Infrared excess and extended emission around CepheidsA. Gallenne, P. Kervella, and A. Mérand 479

SPEC3D: a three-dimensional radiative transfer code for astrophysical and laboratory applicationsL. Ibgui, I. Hubeny, T. Lanz, and C. Stehlé 485

Contents vii

Angular momentum transport in stellar interiorsS. Mathis 491

Long-term magnetic monitoring of 19 Sun-like starsA. Morgenthaler, P. Petit, J. Morin, M. Aurière, and B. Dintrans 497

Evidence for dynamo bistability among very low mass starsJ. Morin, X. Delfosse, J.-F. Donati, E. Dormy, T. Forveille, M. M. Jardine, P. Petit, and M. Schrinner 503

Progress on Magnetism in Massive Stars (MiMeS)C. Neiner, E. Alecian, S. Mathis, and the MiMeS collaboration 509

The fluid equilibrium tide in stars and giant planetsF. Remus, S. Mathis, and J.-P. Zahn 515

The equilibrium tide in viscoelastic parts of planetsF. Remus, S. Mathis, J.-P. Zahn, and V. Lainey 519

High energy and cosmic phenomena (PCHE) (S12) 523

Ultra fast variability monitoring with CTAJ. Biteau, and B. Giebels 525

Search for lorentz invariance violation with AGNs: a prospect for CTAJ. Bolmont, and A. Jacholkowska 529

Data analysis method for the search of point sources of gamma rays with the HAGAR telescope arrayR. J. Britto, B. S. Acharya, G. C. Anupama, P. Bhattacharjee, V. R. Chitnis, R. Cowsik, N. Dorji, S. K.Duhan, K. S. Gothe, P. U. Kamath, and et al 535

Status of the Himalayan Gamma-Ray Observatory (HIGRO) and observaton with HAGAR at very highenergiesR. J. Britto, B. S. Acharya, G. C. Anupama, N. Bhatt, P. Bhattacharjee, S. Bhattacharya, V. R. Chitnis,R. Cowsik, N. Dorji, S. K. Duhan, and et al 539

The W49 region as seen by H.E.S.S.F. Brun, M. de Naurois, W. Hofmann, S. Carrigan, A. Djannati-Ataï, S. Ohm, and H.E.S.S. Collaboration

545

Prospects for dark matter searches with CTAP. Brun 549

Lepto-hadronic modelling of blazar emissionM. Cerruti, A. Zech, C. Boisson, and S. Inoue 555

Collective excitations in the neutron star inner crustL. Di Gallo, M. Oertel, and M. Urban 559

Self-consistent spectra from GRMHD simulations with radiative cooling: A link to reality for Sgr AS. Drappeau, S. Dibi, J. Dexter, S. Markoff, and P. C. Fragile 563

Detection of a relativistic iron line in MXB 1728–34 with XMM-NewtonE. Egron, T. Di Salvo, L. Burderi, A. Papitto, L. Barragán, T. Dauser, J. Wilms, A. D’Aì, A. Riggio,R. Iaria, and et al 567

Thermal evolution of neutron stars and constraints on their internal propertiesM. Fortin, J. L. Zdunik, P. Haensel, and J. Margueron 573

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Accurate black hole mass measurements for thermal AGNs and the origin of the correlations between blackhole mass and bulge propertiesC. M. Gaskell 577

Modeling X-ray polarimetry while flying around the misaligned outflow of NGC 1068R. W. Goosmann, and G. Matt 583

Fermi Large Area Telescope observations of gamma-ray pulsarsL. Guillemot, the Fermi LAT Collaboration, the LAT Pulsar Timing Consortium, and the LAT PulsarSearch Consortium 587

Do Fermi-LAT observations really imply very large Lorentz factors in GRB outflows ?R. Hascoët, F. Daigne, R. Mochkovitch, and V. Vennin 593

Modeling the polarization of radio-quiet AGN: from the optical to the X-ray bandF. Marin, and R. W. Goosmann 597

Neutrino transport in gravitationnal supernovÆ simulations : a simplified treatment via a leakage schemeB. Peres, J. Novak, and M. Oertel 601

Particle transport at relativistic shocksI. Plotnikov 605

Some recent results of the Codalema ExperimentA. Rebai, and the CODALEMA collaboration 609

Optical follow-up of high energy neutrinos detected by the ANTARES telescopeM. Vecchi, M. Ageron, C. Akerlof, I. Al Samarai, S. Basa, V. Bertin, M. Boer, J. Brunner, J. Busto, D.Dornic, and et al 615

The galactic center region viewed by H.E.S.S..A. Viana 621

Gravitation, reference, astronomy, and metrology (AS-GRAM) (S15) 627

Updated orbit of Apophis with recent observationsD. Bancelin, F. Colas, W. Thuillot, D. Hestroffer, and M. Assafin 629

Relativistic astrometry and time transfer functionsS. Bertone, and C. Le Poncin-Lafitte 635

Statistical analysis on the uncertainty of asteroid ephemeridesJ. Desmars, D. Bancelin, D. Hestroffer, and W. Thuillot 639

Analytical expression of the potential generated by a massive inhomogeneous straight segmentN.-E. Najid, and E. Elourabi 643

In-flight calibration of the MICROSCOPE space mission instrument: development of the simulatorE. Hardy, A. Levy, G. Métris, A. Robert, M. Rodrigues, and P. Touboul 647

Testing gravitation in the Solar System with radio science experimentsA. Hees, P. Wolf, B. Lamine, S. Reynaud, M. T. Jaekel, C. Le Poncin-Lafitte, V. Lainey, and V. Dehant

653

The first measurement of the Galactic aberration by the VLBIS. B. Lambert 659

Contents ix

Measuring the absolute non-gravitational acceleration of a spacecraft: goals, devices, methods, performancesB. Lenoir, B. Christophe, and S. Reynaud 663

GETEMME: a mission to explore the martian satellitesC. Le Poncin-Lafitte, and the GETEMME core team 669

Development of techniques to study the dynamic of highly elliptical orbitsG. Lion, and G. Métris 673

ACES-PHARAO : Microwave link data processingF. Meynadier, P. Delva, C. Le Poncin-Lafitte, P. Laurent, and P. Wolf 679

The gravitational potential of axially symmetric bodies from a regularized green kernelA. Trova, J.-M. Huré, and F. Hersant 685

Towards constraining the central black hole’s properties by studying its infrared flares with the GRAVITYinstrumentF. H. Vincent, T. Paumard, G. Perrin, E. Gourgoulhon, F. Eisenhauer, and S. Gillessen 689

Discussions EJSM JGO after Decadal Survey US - towards a new mission sce-nario? (S16) 695

Quantifying the measurement requirements needed to understand the origin of the Galilean satellite systemO. Mousis, J. H. Waite, and J. I. Lunine 697

Author Index 701

Contents