Solar and astrophysical dynamos and magnetic activity: proc. of the 294th Symp. of the Intern. astron. union held in Beijing, China, Aug. 27-31, 2012 / ed. by A.G.Kosovichev et al. - Cambridge: Cambridge university press/International astronomical union, 2013. - xvi, 599 p.: ill. - (IAU symposium proceedings series; N 294). - Incl. bibl. ref. - Auth. ind.: p.597-599. - ISBN 978-1-107-03383-2; ISSN 1743-9213 Шифр: (И/В6-S70) 02  Место хранения:   02 | Отделение ГПНТБ СО РАН | Новосибирск

Оглавление / Contents

Preface ...................................................... xiii Organizing committee .......................................... xvi I. SOLAR DYNAMO AND ACTIVITY CYCLES: OBSERVATIONS, THEORIES AND SIMULATIONS Helioseismic measurements of differential rotation and meridional flow ................................................. 3 J. Zhao Observations of magnetic and kinetic helicity proxies .......... 13 H. Zhang How much more can sunspots tell us about the solar dynamo? ..... 25 A.A. Norton, E.H. Jones, Y. Liu, K. Hayashi, J.T. Hoeksema & J. Schou Flux-transport and mean-field dynamo theories of solar cycles ......................................................... 37 A.R. Choudhuri Solar-cycle precursors and predictions ......................... 49 J. Jiang Phase relationship between polar faculae and sunspot numbers ........................................................ 61 L.H. Deng Digitization of Spörer's sunspot drawings ...................... 63 A. Diercke, R. Arlt & C. Denker Comparison of solar activity during last two minima on turn of Activity Cycles 22/23 and 23/24 ............................. 65 M. Gryciuk, S. Gburek, M. Siarkowski, P. Podgorski, J. Sylwester & F. Farnik Modeling the solar cycles 12-20 with a Babcock-Leighton flux transport dynamo ............................................... 67 J. Jiang On the extended 23rd solar cycle ............................... 69 V.N. Krivodubskij Dependence of solar cycles duration on the magnitude of the annual module of the sunspots magnetic field ................... 71 V.N. Krivodubskij & N.I. Lozitska Solar cycle and quasï-biennial variations in helioseismic frequencies .................................................... 73 S.C. Tripathy, K. Jain, R. Simoniello, F. Hill & S. Turck-Chièze On the role of asymmetries in the reversal of the solar magnetic field ................................................. 75 A.S. Brun, M.L. Derosa & J.T. Hoeksema Peculiar behavior of solar polar fields during solar cycles 21-23: Correlation with meridional flow speed .................. 81 S.K. Bisoi & P. Janardhan Interplanetary scintillation signatures in the inner heliosphere of the deepest solar minimum in the past 100 years .......................................................... 83 S.K. Bisoi & P. Janardhan Asymmetry in the periodicities of solar photospheric fields: A probe to the unusual solar minimum prior to cycle 24 ......... 85 S.K. Bisoi & P. Janardhan Model of poleward magnetic field streams from sunspot butterflies .................................................... 87 N.V. Zolotova & D.I. Ponyavin II. LOCAL DYNAMO: UBIQUITOUS SMALL-SCALE MAGNETIC FIELDS AND "HIDDEN MAGNETISM" Solar magneto-convection ...................................... 95 M. Schüssler Spectropolarimetric diagnostics of unresolved magnetic fields in the quiet solar photosphere ......................... 107 N.G. Shchukina & J.T. Buerw Nature of the solar dynamo at small scales .................... 119 O. Stenflo Magnetic network elements in solar cycle 23 ................... 131 C. Jin & J. Wang Convective mechanism of amplification and structuring of magnetic fields ............................................... 137 A.V. Getting, V.V. Kolmychkov & O.S. Mazhorova Origin of quiet-Sun magnetic fields revealed with Hinode ...... 143 R. Ishikawa Solar cycle variation of helicity characteristics indicated by SP/Hinode .................................................. 149 J. Hao & M. Zhang The variations of solar magnetic networks over the solar cycle 23 ...................................................... 151 C. Huang, Y. Yan & Y. Deng The escape of trapped electrons in the decay phase of solar flare ......................................................... 153 J. Huang Evolution of magnetic field corresponding to X-ray brightening events in coronal holes and quiet Sun ............. 155 Z. Huang, M. Madjarska, G. Doyle & D. Lamb Large scale magnetic helicity fluxes estimated from MDI magnetic synoptic charts ...................................... 157 S. Yang & H. Zhang Self-cancellation of solar ephemeral regions observed by SDO ........................................................... 159 S. Yang, J. Zhang, T. Li & Y. Liu III. STELLAR AND PLANETARY DYNAMOS Mechanisms of planetary and stellar dynamos ................... 163 E. Dormy, L. Petitdemange & M. Schrinner Role of longitudinal activity complexes for solar and stellar dynamos ............................................... 175 M.J. Mantere, P.J. Käpylä & J. Pelt Magnetic field in accretion disk of close binary star ......... 187 D.V. Bisikalo & A.G. Zhilkin The gap of differential rotation in early F-type stars ........ 193 M. Ammler-von Eiff & A. Reiners On the behavior of stellar rotation in the solar neighbourhood ................................................. 195 D.B. de Freitas & J.R. De Medeiros A nonextensive approach for the angular momentum loss rate in low-mass stars ............................................. 197 D.B. de Freitas & J.R. De Medeiros CoRot observation of a young Sun-like star .................... 199 P. Gondoin, D. Gandolfi, M. Fridlund, E.W. Guenther & A. Hatzes Effect of magnetic fields on Lithium depletion of solar-type stars .............................................. 201 T. Li & S. Bi Fundamental properties and seismological analysis of three Kepler stars .................................................. 203 K. Liu & S.L. Bi Magnetic activity and solar-like pulsations of X-ray sources in the Kepler field of view ........................... 205 J. Molenda-Zakowicz, A. Frasca & H.-E. Fröhlich Chemical composition of photospheres in RS CVn stars .......... 207 G. Tautvaišienė, G. Barisevicius, S. Berdyugina, I. Ilyin & Y. Chorniy Chromospheric activity of late-type stars based on Guoshoujing Telescope ......................................... 209 L. Zhang, J. Shi, J. Zhao, A. Luo, G. Zhang, Q. Pi, the Guoshoujing Telescope Collaboration IV. INTERSTELLAR AND GALACTIC DYNAMOS Magnetic fields in our Milky Way Galaxy and nearby galaxies ...................................................... 213 J.L. Han Interstellar and intergalactic dynamos ........................ 225 M. Hanasz, D. Woltanski & K. Kowalik Small-scale dynamo action in primordial halos ................. 237 J. Schober, D. R. G. Schleicher, R. S. Klessen, C. Federrath, S. Bovino, S. Glover & R. Banerjee Galactic spiral patterns and dynamo action .................... 249 L. Chamandy, K. Subramanian & A. Shukurov Growth rate of magnetic field during starburst phase in a galaxy ...................................................... 251 C.-M. Ко NIR polarimetry as a probe of the large-scale structure of the galactic magnetic field ................................... 253 M.D. Pavel V. MAGNETIC SELF-ORGANIZATION OF SOLAR/STELLAR PLASMA Starspot detection and properties ............................. 257 I.S. Savanov Mechanisms of formation of solar pores and sunspots ........... 269 I.N. Kitiashvili Flux concentrations in turbulent convection ................... 283 P.J. Käpylä, A. Brandenburg, N. Kleeorin, M.J. Mantere & I. Rogachevskii Fractal multi-scale nature of solar/stellar magnetic fields ... 289 V.I. Abramenko Magnetic helicity as a probe of magnetic flux-tube dynamics in the solar interior ................................ 301 T. Sakurai, Y. Gao & K. Kuzanyan Solar-like differential rotation and equatorward migration in a convective dynamo with a coronal envelope ................ 307 J. Warnecke, P.J. Käpylä, M.J. Mantere & A. Brandenburg Current helicity constraints in solar dynamo models ........... 313 D. Sokoloff, H. Zhang, D. Moss, N. Kleeorin, K. Kuzanyan, I. Rogachevski, Y. Gao & H. Xu Magnetic helicity transported by flux emergence and shuffling motions ............................................. 319 Y. Zhang, R. Kitai & K. Takizawa Statistical characteristics of horizontal proper motions in the vicinity of pores ......................................... 321 M. Verma & C. Denker VI. CRITICAL PHYSICAL INGREDIENTS FOR DYNAMOS: TURBULENCE AND INSTABILITIES Astrophysical MHD turbulence: confluence of observations, simulations, and theory ....................................... 325 B. Burkhart & A. Lazarian Turbulence and dynamo interlinks .............................. 337 E.M. de Gouveia Dal Pino, R. Santos-Lima, G. Kowal & D. Falceta-Gongalve On magnetohydrodynamic turbulence and angular momentum transport in accretion disk boundary layers ................... 349 C.-K. Chan & M.E. Pessah Topological constraints on magnetic field relaxation .......... 353 S. Candelaresi & A. Brandenburg The flow helicity in quasi-ordered cellular convection ........ 359 A.V. Getling Toward understanding the multiscale spatial spectrum of solar convection .............................................. 361 A.V. Getling, O.S. Mazhorova & О.V. Shcheritsa Saturation of the magnetorotational instability by stable magnetoacoustic modes ......................................... 365 E. Liverts, Y. Shtemler, M. Mond, О.M. Umurhan & D.V. Bisikalo Helicity-vorticity turbulent pumping of magnetic fields in the solar dynamo .............................................. 367 V.V. Pipin Knotty invariants: structure and evolution of magnetized fluids ........................................................ 369 I. Roth On the magnetic flux conservation in the partially ionized plasma ........................................................ 371 Y. Tsap VII. ADVANCES IN DYNAMO THEORIES, SIMULATIONS AND EXPERIMENTS Advances in mean-field dynamo theories ........................ 375 V.V. Pipin Non-linear and chaotic dynamo regimes ......................... 387 A. Brandenburg Theory of differential rotation and meridional circulation .... 399 L.L. Kitchatinov Experimental realization of dynamo action: present status and prospects ................................................. 411 A. Giesecke, F. Stefani, T. Gundrum, G. Gerbeth, C. Nore & J. Leorat Solar differential rotation: hints to reproduce a near-surface shear layer in global simulations .............. 417 G. Guerrero, P. Smolarkiewicz, A.G. Kosovichev & N. Mansour Flux transport dynamo coupled with a fast tachocline scenario ...................................................... 427 B.В. Karak & K. Petrovay Solar dynamo model with nonlocal alpha-effect and diamagnetic pumping ........................................... 429 L.L. Kitchatinov & S.V. Olemskoy Modelling stellar activity cycles using deep-seated dynamos and surface flux transport .................................... 431 E. Işik, D. Schmitt & M. Schüssler Modelling grand minima of solar activity using a flux transport dynamo model ........................................ 433 В.B. Karak & A.R. Choudhuri Forecasting the solar activity cycle: new insights ............ 439 D. Nandy & В.B. Karak VIII. CURRENT AND NEW OBSERVING PROGRAMS FROM THE GROUND AND SPACE Observational methods for stellar magnetism: from detection to cartography ................................................ 447 K.G. Strassmeier, T.A. Carroll, I. Ilyin & S. Järvinen Prospect on intergalactic magnetic field measurements with gamma-ray instruments .................................... 459 H. Sol, A. Zech, C. Boisson, H. Krawczynski, L. Fallon, E. de Gouveia Dal Pino, J. Hinton, S. Inoue, A. Neronov & R. White How the planetary research helps to the stellar dynamo understanding ................................................. 471 I. Boisse, M. Oshagh, C. Lovis, N.C. Santos, X. Dumusque, X. Bonfils, M. Montalto & G. Boue CrH molecule: New diagnostic tool for measuring magnetic fields of cool dwarfs ......................................... 477 O. Kuzmychov & S.V. Berdyugina Solar initiative at Oukaimeden Observatory .................... 479 Z. Benkaldoun, J.J. Makela & J.W. Meriwether Development and first year of results from the Heliometer of Observatório Nacional ...................................... 481 A.H. Andrei, V.A. D'Ávila, E. Reis Neto, J.L. Penna, S.C. Boscardin, A. Coletti, L.C. Oliveira & C. Sigismondi Geometrical information on the solar shape: high precision results with SDO/HMI .......................................... 483 X. Wang & C. Sigismondi Venus transit, aureole and solar diameter ..................... 485 W. Xie, C. Sigismondi, X. Wang & P. Tanga Observations of interplanetary scintillation in China ......... 487 L.-J. Liu & B. Peng Radio imaging-spectroscopy observations of the Sun in decimetric and centimetric wavelengths ........................ 489 Y. Yan, W. Wang, F. Liu, L. Geng, Z. Chen & J. Zhang Calibration and data analysis for Chinese Spectral Radioheliograph ............................................... 495 W. Wang, Y.H. Yan, D.H. Liu, Z.J. Chen, F. Liu, L.H. Geng, L.J. Chen & C. Su Five-element Digital Corrector Receiver for the Chinese Spectral Radioheliograph ...................................... 497 A. Zhao, Y. Yan, W. Wang, L. Chen, J. Zhang & F. Liu Microwave observations of the Chinese Solar Broadband Radio Spectrometer at Huairou ....................................... 499 C. Tan, B. Tan, Y. Yan & Y. Liu A simulation of imaging capabilities for the Chinese Spectral Radioheliograph ............................................... 501 J. Du, Y. Yan & W. Wang An intelligent method for solar flare observation ............. 503 J.B. Lin, J. Guo & Y.Y. Deng IX. MAGNETIC FIELDS AND CORONAL ACTIVITY Helicity transport from solar convection zone to interplanetary space .......................................... 507 M. Zhang Magnetic helicity ejections and coronal activity .............. 519 A. Nindos Connections between photospheric current helicity, flares and solar subsurface kinetic helicity ......................... 531 Y. Gao, J. Zhao & H. Zhang Space environment during Solar Minimum of SC-23 ............... 533 A.A. Hady Helicity, induced electric field and Poynting flux of AR 11158 and their relationship with the X-class flare ........... 535 J. Liu, J. Su & H. Zhang Magnetic helicity injection in NOAA 11261 associated with flares ........................................................ 537 H. Xu, H. Z, J. Su, G. Ruan & J. Liu Probing the solar origin of energy build-up and release in solar energetic particles ..................................... 539 A.K. Awasthi, R. Jain & N.J. Bhatt Generalization of the Neupert effect over the solar flare plasma cooling ................................................ 541 A.K. Awasthi & R. Jain Observations of a geomagnetic SI+ - SI- pair and associated solar wind fluctuations ....................................... 543 S.K. Bisoi & P. Janardhan Radiative hydrodynamic simulations of He I 10830 Å ............ 545 J.X. Cheng, M.D. Ding & С. Fang Coordinate flares observed by TRACE ........................... 547 D. Kong, X. Yan & Z. Xue Polar jet kinetics and energetics analysed from STEREO/COR data .......................................................... 549 L. Feng & W. Q. Can A statistical study on solar soft X-ray flare and the sources ....................................................... 551 J. Guo Tests and applications of nonlinear force-free field extrapolations in spherical geometry .......................... 553 Y. Guo & M.D. Ding A small-scale EUV jet in the quiet Sun region ................. 555 J. Hong, Y. Jiang, R. Zheng & Y. Bi Changing photospheric vector magnetic fields associated with a B4.2-class solar flare ...................................... 561 J. Su, Y. Liu & Y. Shen Observational evidence of unwinding and chirality changing in penumbral filaments by Hinode .............................. 565 J. Su & Y. Liu SDO/AIA and Hinode/EIS observations of interaction between an EUV wave and active region loops ........................... 567 L. Yang, J. Zhang, T. Li & W. Liu Accuracy analysis and application of extrapolation of force-free fields in solar active and quiet regions ........... 569 S. Liu, H. Zhang, J. Su & M. Song Solar flares observed simultaneously with SphinX, GOES and RHESSI ........................................................ 571 T. Mrozek, S. Gburek, M. Siarkowski, B. Sylwester, J. Sylwester, A. Kepa & M. Gryciuk Flares and non-potentiality of AR 11158 ....................... 573 Q. Song, J. Zhang, S. Yang & Y. Liu Numerical simulations of the CME on 2010 April 8 .............. 575 Y. Su, B. Kliem, A. van Ballegooijen & E. Deluca Peculiar microwave quasi-periodic pulsations with zigzag pattern in a CME-related flare on 2005-01-15 .................. 577 B. Tan Nonlinear force-free magnetic field extrapolation in AR 11158 by GPU-DBIE ................................................... 579 R. Wang & Y. Yan Frequency and time properties of decimeter narrowband spikes in solar flares ............................................... 581 S. Wang Simulation of a CME-driven shock by anisotropic scattering angular distributions ......................................... 583 X. Wang & Y. Yan Study of ribbon separation and magnetic reconnection rates .... 585 W. Xie, H. Zhang, J. Lin & H. Wang A statistical study on photospheric active-region magnetic nonpotentiality and associated flares during solar cycles 22 - 23 ....................................................... 587 X. Yang, H. Zhang, G. Lin, Y. Gao & J. Guo Relaxation of magnetic field relative to plasma density during solar flares ........................................... 589 S. Yu, Y. Yan & B. Tan Reflection and refraction of an extreme ultraviolet wave at boundary of coronal hole ...................................... 591 Z. Xue, Z. Qu, X. Yan & L. Zhao Formation and disappearance of a filament ..................... 593 G.P. Zhou, J.X. Wang & S. Tsuneta Waldmeier relations and the solar cycle dynamics by the mean- field dynamos ................................................. 595 V.V. Pipin, D.D. Sokoloff & I.G. Usoskin Author index .................................................. 597