Magnetic Fields Throughout Stellar Evolution

Sun. 25

Mon. 26

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Fri. 30

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Cocktail

19:00 - 21:30 (2h30)

Cocktail

Welcome address

9:00 - 9:05 (05min)

Welcome address

Pascal Petit

General Introduction

9:05 - 9:45 (40min)

General Introduction

› Magnetic Fields in Stars: Origin and Impact - Norbert Langer, Argelander Institute for Astronomy 09:05-09:45 (40min)

Session 1 - Magnetized stellar formation

9:45 - 10:35 (50min)

Session 1 - Magnetized stellar formation

Chair: Gregg Wade

› The role of magnetic fields in star formation - Ralph Pudritz, Dept. of Physics and Astronomy, McMaster University 09:45-10:15 (30min)

› Magnetic field dispersion in the neighbourhood of Bok globules - Claudia Rodrigues, Instituto Nacional de Pesquisas Espaciais 10:15-10:35 (20min)

Coffee break

10:35 - 11:05 (30min)

Coffee break

Session 1 - Magnetized stellar formation

11:05 - 12:15 (1h10)

Session 1 - Magnetized stellar formation

Chair: Gregg Wade

› The role of magnetic fields in pre-main sequence stars - Gaitee Hussain, European Southern Observatory 11:05-11:35 (30min)

› Can we predict the global magnetic topology of a pre-main sequence star from its position in the Hertzsprung-Russell diagram? - Scott Gregory, University of St. Andrews 11:35-11:55 (20min)

› Analysis of Star-Disk Interaction in Young Stellar Systems - Nathalia Fonseca, Universidade Federal de Minas Gerais 11:55-12:15 (20min)

Lunch

12:15 - 14:15 (2h)

Lunch

Session 1 - Magnetized stellar formation

14:15 - 15:55 (1h40)

Session 1 - Magnetized stellar formation

Chair: Corinne Charbonnel

› Magnetospheric accretions and outflows in young stellar objects - Ryuichi Kurosawa, Max-Planck-Institute for Radio Astronomy 14:15-14:45 (30min)

› 3D YSO accretion shock simulations: a study of the magnetic, chromospheric and stochastic flow effects and their observational relevance - Titos Matsakos, Laboratoire AIM, CEA/DSM - CNRS - Université Paris Diderot, IRFU/Service d'Astrophysique, CEA Saclay, CEA, IRAMIS, Service Photons, Atomes et Molécules 14:45-15:05 (20min)

› Magnetic higher-mass stars in the early stages of their evolution - Jason Grunhut, European Southern Observatory 15:05-15:35 (30min)

› What do weak magnetic fields mean for magnetospheric accretion in Herbig AeBe star+disk systems? - Alicia Aarnio, University of Michigan 15:35-15:55 (20min)

Coffee break

15:55 - 16:25 (30min)

Coffee break

Session 1 - Magnetized stellar formation

16:25 - 17:55 (1h30)

Session 1 - Magnetized stellar formation

Chair: Corinne Charbonnel

› Chemical peculiarities in magnetic and non-magnetic pre-main sequence A and B stars - Colin Folsom, Institut de recherche en astrophysique et planétologie 16:25-16:45 (20min)

› Angular momentum evolution of young stars - Stuart Littlefair, University of Sheffield 16:45-17:15 (30min)

› Activity and Rotation in the young cluster h Per - Costanza Argiroffi, Dip. di Fisica e Chimica, Universita' di Palermo 17:15-17:35 (20min)

› X-ray emission regimes and rotation sequences in the M34 open cluster - Philippe Gondoin, European Space and Technology Centre 17:35-17:55 (20min)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

17:55 - 18:15 (20min)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

Chair: Corinne Charbonnel

› Do Magnetic Fields Actually Inflate Low-Mass Stars? - Gregory Feiden, Department of Physics and Astronomy, Dartmouth College, Department of Physics and Astronomy, Uppsala University 17:55-18:15 (20min)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

9:30 - 10:10 (40min)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

Chair: Stéphane Mathis

› Probing the structure of local magnetic field of solar features with helioseismology - Khalil Daiffallah, Observatory of Algiers 09:30-09:50 (20min)

› Combining Models of Coronal Mass Ejections and Solar Dynamos - Joern Warnecke, Nordic Institute for Theoretical Physics, Department of Astronomy, Stockholm University 09:50-10:10 (20min)

Coffee break

10:10 - 10:40 (30min)

Coffee break

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

10:40 - 12:10 (1h30)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

Chair: Stéphane Mathis

› Hanle and Zeeman effects: From solar to stellar diagnostics - Arturo LOPEZ ARISTE, Télescope héliographique pour l'étude du magnétisme et des instabilites solaires 10:40-11:00 (20min)

› The Solar-Stellar Connection - Allan Sacha BRUN, Astrophysique Interactions Multi-échelles 11:00-11:30 (30min)

› Strong linear polarization detected in the cool active star II Peg - Lisa Rosén, Uppsala University 11:30-11:50 (20min)

› A Bcool spectropolarimetric survey of over 150 solar-type stars - Stephen Marsden, University of Southern Queensland 11:50-12:10 (20min)

Lunch

12:10 - 14:10 (2h)

Lunch

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

14:10 - 16:10 (2h)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

Chair: Moira Jardine

› Magnetic fields in low-mass stars - Ansgar reiners, Institute for Astrophysics Goettingen 14:10-14:40 (30min)

› What controls the large-scale magnetic fields of M dwarfs? - Thomas Gastine, Max Planck Institute for Solar System Research 14:40-15:00 (20min)

› Magnetic fields in M-dwarf from high-resolution infrared spectroscopy - Denis Shulyak, Goettingen University 15:00-15:20 (20min)

› An Empirical Age-Activity-Rotation Relationship for Mid and Late-Type M Dwarfs - Andrew West, Boston University 15:20-15:40 (20min)

› Magnetic topologies and magnetic cycles of solar-type stars - Rim Fares, School of Physics and Astronomy, University of St Andrews 15:40-16:10 (30min)

Coffee break

16:10 - 16:40 (30min)

Coffee break

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

16:40 - 17:20 (40min)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

Chair: Moira Jardine

› Stellar Magnetic Dynamos and Activity Cycles - Nicholas Wright, University of Hertfordshire 16:40-17:00 (20min)

› Magnetic flux emergence from the solar case to giants. - Yori Fournier, Leibniz Institute for Astrophysics 17:00-17:20 (20min)

Poster presentation

17:20 - 18:20 (1h)

Poster presentation

30 sec / 1 slide per poster

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

9:00 - 10:10 (1h10)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

Chair: Gaitee Hussain

› Modeling exoplanet transit and magnetic spots for interferometric study - Roxanne Ligi, Laboratoire Lagrange, Observatoire de la Cote d'Azur 09:00-09:20 (20min)

› A New Age of Spotted Star Research with Kepler and CHARA - Rachael Roettenbacher, University of Michigan 09:20-09:40 (20min)

› Stellar Magnetism in the Era of Space-Based Precision Photometry - Lucianne Walkowicz, Princeton University 09:40-10:10 (30min)

Coffee break

10:10 - 10:40 (30min)

Coffee break

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

10:40 - 12:10 (1h30)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

Chair: Gaitee Hussain

› Rotation and Differential Rotation of the active Kepler stars - Timo Reinhold, Institute for Astrophysics Goettingen 10:40-11:00 (20min)

› Finding activity cycles in Kepler data - Krisztián Vida, Konkoly Observatory 11:00-11:20 (20min)

› The Evolution of Sun-Like Stars, as Revealed Through Kepler Light Curves - Fabienne Bastien, Vanderbilt University 11:20-11:40 (20min)

› The effects of stellar winds and magnetic fields on exoplanets - Aline Vidotto, School of Physics and Astronomy, University of St Andrews 11:40-12:10 (30min)

Optional Tour

14:00 - 18:00 (4h)

Optional Tour

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

9:00 - 10:00 (1h)

Session 2 - Magnetic activity in the Sun and main-sequence stars with convective outer layers

Chair: José-Dias do Nascimento

› Planets spinning up their host stars: A twist on the age-activity relationship - Katja Poppenhaeger, Harvard-Smithsonian Center for Astrophysics 09:00-09:20 (20min)

› On the effects of stellar winds on exoplanetary magnetospheres - Victor See, University of St Andrews 09:20-09:40 (20min)

› Stellar Magnetism and the effects on exoplanet environments - Conrad Vilela-Lewandowski, Keele University 09:40-10:00 (20min)

Coffee break

10:00 - 10:30 (30min)

Coffee break

Session 3 - Origin and impact of magnetic fields in higher-mass stars with radiative outer layers

10:30 - 12:00 (1h30)

Session 3 - Origin and impact of magnetic fields in higher-mass stars with radiative outer layers

Chair: José-Dias do Nascimento

› The origin of magnetic fields in massive and intermediate-mass stars - Jonathan Braithwaite, University of Bonn 10:30-11:00 (30min)

› Multiple transient corotating magnetic loop model applied to the O supergiant lambda Cephei - Huib Henrichs, University of Amsterdam 11:00-11:20 (20min)

› The magnetic properties of Galactic OB stars from the Magnetism in Massive Stars project - Gregg Wade, Royal Military College of Canada 11:20-11:40 (20min)

› Bp stars in the Orion OB1 association - Iosif Romanyuk, Special Astrophysical Observatory of Russian Academy of Sciences 11:40-12:00 (20min)

Lunch

12:00 - 14:00 (2h)

Lunch

Session 3 - Origin and impact of magnetic fields in higher-mass stars with radiative outer layers

14:00 - 16:00 (2h)

Session 3 - Origin and impact of magnetic fields in higher-mass stars with radiative outer layers

Chair: Stephen Marsden

› Modelling surface magnetic fields in stars with radiative envelopes - Oleg Kochukhov, Uppsala University 14:00-14:30 (30min)

› Partial Paschen-Back splitting of SiII and SiIII lines in magnetic CP stars - Viktor Khalack, Université de Moncton 14:30-14:50 (20min)

› Wind channeling, magnetospheres, and spindown of magnetic massive stars - Stanley Owocki 14:50-15:20 (30min)

› Investigating the origin of cyclical spectral variations in the ultraviolet resonance lines of hot, massive stars - Alexandre David-Uraz, Royal Military College of Canada 15:20-15:40 (20min)

› X-rays from magnetic massive OB stars - Véronique Petit, University of Delaware 15:40-16:00 (20min)

Coffee break

16:00 - 16:30 (30min)

Coffee break

Session 3 - Origin and impact of magnetic fields in higher-mass stars with radiative outer layers

16:30 - 17:00 (30min)

Session 3 - Origin and impact of magnetic fields in higher-mass stars with radiative outer layers

Chair: Stephen Marsden

› The dichotomy between strong and ultra-weak magnetic fields among intermediate-mass stars - François Lignières, Institut de Recherche en Astrophysique et Planétologie 16:30-17:00 (30min)

Session 4 - Magnetic fields in the ultimate stages of stellar evolution

17:00 - 17:50 (50min)

Session 4 - Magnetic fields in the ultimate stages of stellar evolution

Chair: Stephen Marsden

› Surface magnetism of cool giant and supergiant stars - Heidi Korhonen, Finnish Centre for Astronomy with ESO 17:00-17:30 (30min)

› Pollux: a stable weak dipolar magnetic field but no planet ? - Michel Aurière, Institute of Research in Astrophysics and Planetology 17:30-17:50 (20min)

Banquet

20:00 - 23:00 (3h)

Banquet

Session 4 - Magnetic fields in the ultimate stages of stellar evolution

9:00 - 10:10 (1h10)

Session 4 - Magnetic fields in the ultimate stages of stellar evolution

Chair: Aline Vidotto

› Magnetic field in late-type single giants in the Solar vicinity: how common is magnetic activity on the giant branches? - Renada Konstantinova-Antova, Institute of Astronomy and NAO, BAS 09:00-09:20 (20min)

› Magnetic fields around AGB stars and Planetary Nebulae - Wouter Vlemmings, Chalmers University of Technology, Onsala Space Observatory 09:20-09:50 (30min)

› Search for Surface Magnetic Fields in Mira Stars - Agnès Lèbre, Laboratoire Univers et Particules de Montpellier 09:50-10:10 (20min)

Coffee break

10:10 - 10:40 (30min)

Coffee break

Session 4 - Magnetic fields in the ultimate stages of stellar evolution

10:40 - 12:10 (1h30)

Session 4 - Magnetic fields in the ultimate stages of stellar evolution

Chair: Aline Vidotto

› Magnetic fields of neutron stars - Andreas Reisenegger, Pontificia Universidad Católica de Chile 10:40-11:10 (30min)

› Hall Effect in Neutron Star Crusts - Konstantinos Gourgouliatos, McGill University 11:10-11:30 (20min)

› Magnetohydrodynamic equilibria in barotropic stars - Cristóbal Armaza, Pontificia Universidad Católica de Chile 11:30-11:50 (20min)

› Search for Stable Magnetohydrodynamic Equilibria in Barotropic Stars. - Joe Mitchell, Pontificia Universidad Católica de Chile, Argelander Institute for Astronomy 11:50-12:10 (20min)

Lunch

12:10 - 14:10 (2h)

Lunch

Session 4 - Magnetic fields in the ultimate stages of stellar evolution

14:10 - 15:20 (1h10)

Session 4 - Magnetic fields in the ultimate stages of stellar evolution

Chair: Henk Spruit

› Magnetars: the explosive character of a small class of strongly magnetized neutron stars - Nanda Rea, Institute of Space Sciences 14:10-14:40 (30min)

› Magnetic fields in neutron stars and models of thermal emission from magnetic neutron stars - Wynn Ho, University of Southampton (Southampton, UK) 14:40-15:00 (20min)

› Magnetic field structures inside magnetars with strong toroidal field. - Kotaro Fujisawa, Univerisy of Tokyo 15:00-15:20 (20min)

Concluding remarks

15:20 - 15:30 (10min)

Concluding remarks

Henk Spruit

Coffee break

15:30 - 16:00 (30min)

Coffee break