The Joint Discussion will be organized in three sessions. Contributions will include 20 and 30 minutes Invited Talks (IT), followed by 10 minutes Oral Contributions. All three sessions will end with a discussion.
Invited speakers:
Monday, 3th August | |||||
Session 1 - Pushing the limit of instrument capabilities | |||||
11:00-11:30 | IT 1 | Overview on CP stars | |||
W. Weiss | |||||
11:30-12:00 | IT 2 | Current ground-based observations of CP stars | |||
G. Mathys | |||||
12:00-12:30 | IT 3 | CP stars observed from space | |||
J. Matthews | |||||
12:30-14:00 | Lunch | ||||
14:00-14:30 | IT 4 | GAIA impact on CP star research | |||
D. Shulyak | |||||
14:30-14:40 | OC | Microvariability of line profiles in spectra of OB stars and their magnetic fields | |||
A. Kholtygin | |||||
14:40-14:50 | OC | Continuous and Coherent radio emission from the magnetospheres of MCP stars | |||
C. Trigilio | |||||
14:50-15:00 | OC | The Ap star and the ESA Gaia mission | |||
L. Eyer | |||||
15:00-15:30 | | Discussion - To what degree may complementary techniques contribute to the understanding of the CP phenomenon? | |||
Chair: L. Eyer | |||||
15:30-16:00 | Coffee break | ||||
Session 2 – A 3-D look into the atmosphere? | |||||
16:00-16:30 | IT 1 | Magnetic fields and chemical inhomogeneities in the upper layers of hot stars | |||
G. Wade | |||||
16:30-17:00 | IT 2 | Spectral Synthesis / atmospheric models | |||
L. Mashonkina | |||||
17:00-17:30 | IT 3 | Pulsations in the atmospheres of Ap stars / inversions | |||
T. Ryabchikova | |||||
Tuesday, 4th August | |||||
Session 2 (cont.) | |||||
11:00-11:10 | OC | The nature of the light variability of the silicon star HR 7224 | |||
J. Krticka | |||||
11:10-11:20 | OC | Next Generation mapping of the magnetic fields and chemical spots of Ap stars | |||
J. Silvester | |||||
11:20-11:30 | OC | Three-dimensional mapping of chemical spots in the magnetic Ap star theta Aur | |||
O. Kochukhov | |||||
11:30-11:40 | OC | Understanding radial velocity pulsations observed in oscillating magnetic stars | |||
J. C. Sousa | |||||
11:40-11:50 | OC | Numerical simulation of line profile variation in roAp stars | |||
H. Shibahashi | |||||
11:50-12:00 | OC | Analysis of the spectrum transition star HR 3383 | |||
G. M. Wahlgren | |||||
12:00-12:30 | | Discussion - Atomic data: what do we need as input? How confidently can we derive Global parameters of CP stars? | |||
Chair: G. M. Wahlgren | |||||
12:30 | Lunch | ||||
Wednesday, 5th August | |||||
Session 3 - CP and related phenomena in the context of Stellar Evolution | |||||
11:00-11:30 | IT 1 | The very interesting lives of intermediate mass stars | |||
J. Landstreet | |||||
11:30-12:00 | IT 2 | The origin and evolution of stellar magnetic fields | |||
J. Braithwaite | |||||
12:00-12:10 | OC | Magnetic fields of O and B stars: measurements, statistics and evolution | |||
A. Kholtygin | |||||
12:10-12:20 | OC | Stable magnetic equilibria in upper-main-sequence and degenerate stars | |||
A. Reisenegger | |||||
12:20-12:30 | OC | Pulsational crossover in Ap stars | |||
G. Mathys | |||||
12:30-14:00 | Lunch | ||||
14:00-14:10 | OC | CP Stars , Diamagnetic Effects (DME) and Dielectronic Recombinations (DER) | |||
Portnoy | |||||
14:10-14:40 | IT 3 | Stellar evolutionary models: effects of diffusion | |||
G. Michaud | |||||
14:40-15:10 | IT 4 | Dynamical processes in the radiation zones of rotating stars | |||
S. Mathis | |||||
15:10-15:20 | OC | Magnetism and rotation of Herbig Ae/Be stars | |||
E. Alecian | |||||
15:20-15:30 | OC | Strontium diffusion in atmospheres of CP stars | |||
G. Alecian | |||||
15:30-16:00 | Coffee break | ||||
16:00-17:00 | | Discussion - What is the key to the diversity of CP phenomena? The roles of magnetic fields, rotation, diffusion, birth environment, and binarity. | |||
Chair: tbc | |||||
17:00-17:30 | | Final Discussion – Upcoming Challenges of CP star research | |||
17:30 | End of the meeting |