Title: Physics and Evolution of Magnetic and Related Stars
Volume: 494 Year: 2015 View Volume 494 on ADS
Editors: Kudryavtsev, D. O.; Balega, Yu. Yu.; Romanyuk, I. I.
Physics and Evolution of Magnetic and Related Stars

Nizhny Arkhyz, Russia
25–31 August 2014

Magnetic fields play a key role in the complex process of star formation and evolution. They cause flares, outbursts, and other instabilities in many types of stars. Recent results in the studies of magnetic fields of chemically peculiar and related stars were discussed at the conference. These stars show very strong large-scale magnetic fields, though they generally do not differ from normal stars in other physical characteristics. To determine how strong magnetic fields form, a well-defined sample of stars was observed and the results compared with theoretical predictions.

The findings of the recently-completed long-term MiMeS survey of magnetic fields in O and B-type stars are presented in this volume. A fundamental result has been obtained: 7% of those stars have magnetic fields. Fresh data on the magnetic fields of open cluster members is also presented in this book. For example, the unique magnetic star HD34736 was discovered in the Orion OB1 stellar association. Up-to-date information on the physical parameters and magnetic properties of stars at different stages of evolution is given herein.

We also present new details about proposed programs and instruments in this volume. A new observational and data reduction technique will allow astronomers to achieve a measurement accuracy of 1 Gauss for stars of any type in the very near future. New high-accuracy magnetic field measurements will allow us to determine what makes stars with strong magnetic fields unique.

ISBN: 978-1-58381-872-5 eISBN: 978-1-58381-873-2
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Paper Title Page Authors
Book Cover
Front Matter   
Front Matter 1 Kudryavtsev, D. O.; Balega, Yu. Yu.; Romanyuk, I. I.
Part I. Magnetic Field of OBA Stars   
(Very) Slow Rotation of Magnetic Ap Stars 3 Mathys, G.
Magnetic Stars in Young Clusters and Associations 15 Romanyuk, I. I.; Semenko, E. A.; Yakunin, I. A.
Review: Magnetic Fields of O-Type Stars 30 Wade, G. A.; MiMeS Collaboration
Enigma of the Star HD 34736 51 Semenko, E.; Romanyuk, I.; Kudryavtsev, D.; Yakunin, I.
Physical Properties of the Massive Magnetic Binary θ1 Ori C Components 57 Balega, Yu. Yu.; Chentsov, E. L.; Rzaev, A. Kh.; Weigelt, G.
Comprehensive and Critical Reanalysis of FORS Spectropolarimetric Observations: the Case of HD 92207 63 Fossati, L.; Bagnulo, S.; Landstreet, J. D.; Kochukhov, O.
Expected Optical Magnetic-Field Manifestations in the Supergiant of the X-ray Binary Cyg X-1 76 Karitskaya, E. A.; Bochkarev, N. G.
The B Fields in OB Stars (BOB) Survey 79 Kholtygin, A. F.; Castro, N.; Fossati, L.; Hubrig, S.; Langer, N.; Morel, T.; Przybilla, N.; Schöller, M.; Carroll, T.; Ilyin, I.; Irrgang, A.; Oskinova, L.; Schneider, F. R. N.; Díaz, S. S.; Briquet, M.; González, J. F.; Kharchenko, N.; Nieva, M.-F.; Scholz, R.-D.; de Koter, A.; Hamann, W.-R.; Herrero, A.; Apellániz, J. M.; Sana, H.; Arlt, R.; Barbá, R.; Dufton, P.; Mathys, G.; Piskunov, A.; Reisenegger, A.; Spruit, H.; Yoon, S.-C.
Magnetic Field Measurements of Late B-Type Stars 86 Yakunin, I.; Semenko, E.; Romanyuk, I.; Sachkov, M.
No Detection of Magnetic Field Rapid Variations in γ Equ 94 Chuntonov, G. A.
Magnetic and Color Variability of the Ap Star GY And 97 Metlova, N. V.; Bychkov, V. D.; Bychkova, L. V.; Madej, J.
On the Periods of Magnetic Field Variations in the Ap Star γ Equ 100 Bychkov, V. D.; Bychkova, L. V.; Madej, J.
Part II. Magnetic Field in Dwarf Stars and Compact Objects   
White Dwarf Magnetic Fields: a Brief Historical Review and New Results 107 Valyavin, G.
Magnetic Fields of Compact Objects in Close X-ray Binary Systems 114 Piotrovich, M. Y.; Gnedin, Y. N.; Buliga, S. D.; Natsvlishvili, T. M.; Silant'ev, N. A.; Nikitenko, A. I.
Local and Global Magnetic Fields of Late-Type Dwarfs OT Ser and YZ CMi 120 Bychkov, V. D.; Bychkova, L. V.; Madej, J.; Panferov, A. A.
Magnetic Fields in Low-Mass Stars from High-Resolution Infrared Spectroscopy 123 Shulyak, D.
Part III. Physics and Evolution of Chemically Peculiar and Related Stars   
The Evolution Project 139 Landstreet, J. D.
Early Stage of Chemically Peculiar Stars 148 Netopil, M.; Fossati, L.; Zwintz, K.; Paunzen, E.; Bagnulo, S.; Pintado, O. I.
Pre-Main-Sequence Stars and the Power of Asteroseismology 157 Zwintz, K.; Fossati, L.; Ryabchikova, T.
Pulsation in Chemically Peculiar Stars 165 Sachkov, M.
Probing the Structure of the Accretion Region in a Sample of Magnetic Herbig Ae/Be Stars 175 Pogodin, M. A.; Cahuasqui, J. A.; Drake, N. A.; Hubrig, S.; Schöller, M.; Petr-Gotzens, M.; Franco, G. A. P.; Lopes, D. F.; Kozlova, O. V.; Wolff, B.; González, J. F.; Carroll, T. A.; Mysore, S.
Lithium and Isotopic Ratio Li6/Li7 in Magnetic roAp Stars as an Indicator of Active Processes 184 Polosukhina, N.; Shavrina, A.; Lyashko, D.; Nesvacil, N.; Drake, N.; Smirnova, M.
Preliminary Study of the Moderately Cool Chemically Peculiar Star BS Circini 189 Mikulášek, Z.; Jan'ik, J.; Krtička, J.; Zejda, M.; Jagelka, M.
Is σ Sculptoris Really a Chemically Peculiar Star? 197 Janík, J.; Krtička, J.; Mikulášek, Z.
Observations of X-ray Flares on π1 UMa 203 Pandey, J. C.
Photometric and Spectroscopic Analysis of CP Stars Under Indo-Russian Collaboration 210 Joshi, S.; Semenko, E.; Moiseeva, A.; Joshi, G. C.; Joshi, Y. C.; Sachkov, M.
Massive Stars: Line Profile Variations and Magnetic Fields 221 Kholtygin, A. F.; Hubrig, S.; Valyavin, G. G.; Fabrika, S. N.; Chuntonov, G. A.; Dushin, V. V.; Milanova, Yu. V.
Light Variations of Magnetic Chemically Peculiar Stars 230 Jagelka, M.; Mikulášek, Z.
Fast Microvariations in Spectra of Early-Type Stars 239 Kholtygin, A. F.; Hubrig, S.; Schöller, M.
Analysis of the DE CVn Photometry 247 Kolbin, A. I.
Massive Stars and Black Holes 255 Kholtygin, A. F.
Part IV. Theory and Exoplanets   
Rydberg States of Atoms and Molecules in the Atmospheres of Very Cool Stars with Magnetic Fields 261 Gnedin, Yu. N.; Piotrovich, M. Yu.; Klyucharev, A. N.
Rayleigh Scattering in the Atmospheres of Hot Stars 273 Fišák, J.; Krtička, J.; Kubát, J.
Modeling the Distribution Function of Magnetic Fields in Massive Stars 280 Medvedev, A.; Kholtygin, A.
Magnetic Fields in Stars 287 Leushin, V. V.
A Method for Spectral Studies of Albedos of Hot Jupiter Planets 289 Grauzhanina, A.; Valyavin, G.; Gadelshin, D.; Zhuchkov, R.; Galazutdinov, G.; Burlakova, T.; Mkrtichian, D.
Planet Formation Processes in AB Aur 293 Ismailov, N. Z.; Khalilov, O. V.; Bahaddinova, G. R.; Mamedxanova, G. B.
Part V. Methods and Instrumentation   
High-Resolution Fiber-Fed Echelle Spectrograph for the SAO 6-m Telescope 305 Valyavin, G. G.; Bychkov, V. D.; Yushkin, M. V.; Galazutdinov, G. A.; Drabek, S. V.; Shergin, V. S.; Sarkisyan, A. N.; Semenko, E. A.; Perkov, A. V.; Sazonenko, D. A.; Kukushkin, D. E.; Bakholdin, A. V.; Burlakova, T. E.; Kravchenko, V. M.; Kudryavtsev, D. O.; Pritychenko, A. M.; Kryukov, P. G.; Semjonov, S. L.; Musaev, F. A.; Fabrika, S. N.
On the Accuracy of Atmospheric Parameter Determination in BAFGK Stars 308 Ryabchikova, T.; Piskunov, N.; Shulyak, D.
New Tools for Finding and Testing Weak Periodic Variability 320 Mikulášek, Z.; Paunzen, E.; Netopil, M.; Zejda, M.
New Methods of Magnetic Field Measurements 331 Kholtygin, A. F.
High-Resolution Spectrograph for Moderate-Diameter Telescopes 334 Panchuk, V.; Yushkin, M.; Klochkova, V.; Verich, Yu.; Yakopov, G.
Spectrophotometric Support of Spectral Observations with the BTA Telescope 337 Panchuk, V.; Verich, Y.; Klochkova, V.; Yushkin, M.; Yakopov, G.; Sergeev, D.
Optical Schemes of Spectral Instruments with Nonclassical Gratings 340 Muslimov, E. R.; Pavlycheva, N. K.
Back Matter   
Author Index 357 Kudryavtsev, D. O.; Balega, Yu. Yu.; Romanyuk, I. I.
Back Matter 359