Physics of Sun and star spots: proc. of the 273th Symp. of the Intern. astron. union, Ventura, Calif., USA, Aug. 22-26, 2010 / ed. by D.P.Choudhary, K.G.Strassmeier. - Cambridge; New York: Cambridge univ. press, 2011. - xxii, 503 p.: ill. - (IAU symposium proceedings series; 273). - Пер. загл.: Физика Солнца и пятна на звездах. - ISBN 978-0-521-76062-1  Место хранения:   02 | Отделение ГПНТБ СО РАН | Новосибирск

Оглавление / Contents

Organizing Committee .......................................... xii Conference Photographs ....................................... xiii Participants ................................................... xx Organizing Committee Address ................................. xxii Oral Presentations Cosmic magnetic fields in the Sun: Current outstanding problems ........................................................ 1 Eric Priest 3D numerical MHD modeling of sunspots with radiation transport .. 8 Matthias Rempel Rapid changes of sunspot structure associated with solar eruptions ...................................................... 15 Haiman Wang & Chang Liu Helicity of the solar magnetic field ........................... 21 Sanjiv Kumar Tiwari Origin of solar magnetism ...................................... 28 Arnab Choudhuri Diagnostics for spectropolarimetry and magnetography ........... 37 Jose Carlos del Того Iniesta & Valentin Martinez Pillet Heating of coronal active regions .............................. 44 Daniel Gòmez Automated sunspot detection and the evolution of sunspot magnetic fields during solar cycle ............................. 51 Fraser Watson & Lyndsny Fletcher On the manifestation in the Sun-as-a-star magnetic field measurements of the quiet and active regions ................... 56 Mikhail Demidov Starspots, cycles and magnetic fields .......................... 61 Steven Saar The evolution of stellar surface activity and possible effects on exoplanets .......................................... 68 Mark Giampapa Rotational modulation, shear, and cyclic activity in HII 18 .... 83 Jacquelynne Milingo, Steven Saar, Laurence Marschall, & John Stauffer Rotational modulation, shear, and cyclic activity in HII 1883 .. 74 Jacquelynne Milingo, Steven Saar, Laurence Marschall, & John Stauffer Starspot variability and evolution from modeling Kepler photometry of active late-type stars ........................... 77 Alexander Brown, Heidi Korhonen, Svetlana Berdyugina, Barton Tofany, Thomas R. Ayres, Adam Kowalski, Suzanne Hawley, Graham Harper, & Nikolai Piskunov The negative magnetic pressure effect in stratified turbulence ..................................................... 83 Koen Kernel, Axel Brandenburg, Nathan Kleeorin, & Igor Rogachevskii Stellar activity, differential rotation, and exoplanets ........ 89 Antonio Lanza Study of stellar activity through transit mapping of starspots ...................................................... 96 Adrianna Valio Time series photometry and starspot properties ................ 104 Katalin Olah Exploring the deep convection and magnetism of A-type stars ... 110 Nicholas Featherstone, Matthew Browning, Allan Brun, & Juri Toomre Chemical spots and their dynamical evolution on HgMn stars .... 116 Heidi Korhonen, Swetlana Hubrig, Maryline Briquet, Federico González, & Igor Savanov Differential rotation of the young solar analogue V889 Herculis ...................................................... 121 Zsolt Kövári, Antonio Frasca, Katia Biazzo, Krisztián Vida, Ettore Marilli & Ömür Çakirli Long-term evolution of sunspot magnetic fields ................ 126 Matthew Penn & William Livingston The formation of a penumbra as observed with the German VTT and SoHO/MDI .................................................. 134 Rolf Schlichenmaier, Nazaret Bello González, & Reza Rezaei Global MHD phenomena and their importance for stellar surfaces ...................................................... 141 Rainer Arlt Solar subsurface flows of active regions: flux emergence and flare activity ................................................ 148 Rudolf Komm, Rachel Howe, Frank Hill, & Kiran Jain Twist and writhe of δ-island active regions ................... 153 Marcelo Lopez Fuentes, Cristina Mandrini, & Pascal Démoulin Magnetic field evolution of active regions and sunspots in connection with chromospheric and coronal activities .......... 157 Toshifumi Shimizu Solar activity due to magnetic complexity of active regions ... 164 Brigitte Schmieder, Cristina Mandrini, Ramesh Chandra, & Pascal Démoulin Nature of the unusually long solar cycles ..................... 169 Nadezhda Zolotova & Dmitri Ponyavin The zoo of starspots .......................................... 174 Klaus Strassmeier Exploring the magnetic topologies of cool stars ............... 181 J. Morin, J.-F. Donati, P. Petit, L. Albert, M. Aurire, R. Cabanac, C. Catala, X. Delfosse, B. Dintrans, R. Fares, T. Forveille, T. Gastine, M. Jardine, R. Konstantinova-Antova, J. Lanoux, F. Lignires, A. Morgenthaler, F. Paletou, J.С Ramirez Velez, S.K. Solanki, S. Thado, V. Van Grootel Spots on Betelgeuse, what are they? ........................... 188 Andrea Dupree The Butterfly Diagram leopard skin pattern .................... 195 Maurizio Ternullo Turbulence and magnetic spots at the surface of hot massive stars ......................................................... 200 Matteo Cantiello, Jonathan Braithwaite, Axel Brandenburg, Fabio Del Sordo, Petri Käpylä, & Norbert Longer Velocity fields in and around sunspots at the highest resolution .................................................... 204 Carsten Denker & Meetu Verma Evolution of twist-shear and dip-shear in flaring active region NOAA 10930 ............................................. 212 Sanjay Gosain & P. Venkatakrishnan What determines the penumbral size and evershed flow speed .... 216 Na Deng, Toshifumi Shimizu, Debi Choudhary, & Haiman Wang In-depth survey of sunspot and active region catalogs ......... 221 Laure Lefèvre, Frédéric Clette, & Tunde Baranyi The Sun at high-resolution: first results from the SUNRISE mission ....................................................... 226 S.K. Solanki, P. Barthol, S. Danilovic, A. Feller, A. Gandorfer, J. Hirzberger, A. Lagg, T.L. Riethmüller, M. Schussler, T. Wiegelmann, J.A. Bonet, V. Martinez Pillet, E. Khomenko, J.С. del Тоrо Iniesta, V. Domingo, J. Palacios, M. Knölker, N. Bello González, J.M. Borrero, T. Berkefeld, M. Franz, M. Roth, W. Schmidt, O. Steiner, & A.M. Title Coronal heating and flaring in QSLs ........................... 233 Guillame Aulanier Modelling stellar coronal magnetic fields ..................... 242 Moira Jardine, Jean-Francois Donati, Doris Arzoumanian, & Aline de Vidotto The spots on Ap stars ......................................... 249 Oleg Kochukhov Dynamo generated field emergence through recurrent plasmoid ejections ..................................................... 256 Jörn Warnecke & Axel Brandenburg An A star on an M star during a flare within a flare .......... 260 Adam Kowalski, Suzanne Hawley, Jon Holtzmann, John Wisniewski, John P. Wisniewski, & Eric J. Hilton Sunspots at centimeter wavelengths ............................ 265 Mukul Kundu & Jeongwoo Lee Global magnetic cycles in rapidly rotating younger suns ....... 272 Nicholas Nelson, Benjamin Brown, Matthew Browning, & Allan Sacha Brun, Mark S. Miesch & Juri Toomre Magnetohydrostatic equilibrium in starspots: dependences on color (Tff) and surface gravity (g) .......................... 276 Paul Rajaguru & Siraj Hasan Disentangling stellar activity and planetary signals .......... 281 Isabelle Boisse, Guillaume Hébrard, Xavier Bonfils, Nuno Santos & Sylvie Vauclair First solar butterfly diagram from Schwabe's observations in 1825-1867 .................................................. 286 Rainer Arlt & Anastasia Abdolvand The structure and evolution of global star magnetic fields .... 278 Duncan Mackay Poster Presentations Solar activity and differential rotation ...................... 298 Hari Оm Vats & Satish Chandra Flare induced penumbra formation in the sunspot of NOAA 10838 ......................................................... 303 Sreejith Padinhatteeri & Sankarasubramanian K. Dynamic responses of sunspots to their ambient magnetic configuration ................................................. 308 Somashekhar Bagare Numerical simulations of mechanisms of magnetic structures .... 315 Irina Kitiashvili, Alexander Kosovichev, Alan Wray, & Nagi Mansour Investigation of a sunspot complex by time-distance helioseismology ............................................... 320 Alexander Kosovichev & Thomas Duvall Jr Sunspot temperatures from red and blue photometry ............. 325 Gary Chapman, Angela Cookson, & Dora Preminger A filament supported by different magnetic field configurations ................................................ 328 Yang Guo, Bridgitte Schmieder, Pascal Dйmoulin, Thomas Wiegelmann, T. Török & V. Bommier Are the photospheric sunspots magnetically force-free in nature? ....................................................... 333 Sanjiv Kumar Tiwari Vector magnetic field and vector current density in and around the 5-spot NOAA 10808 observed with THEMIS ............. 338 Véronique Bommier, Egidio Landi Degl'Innocenti, Brigitte Schmieder, & Bernard Gelly Substructure of quiet sun bright points ....................... 339 Aleksandra Andic, Jongchul Chae, & Phillip Goode Two types of coronal bright points, their characteristics, and evolution ................................................. 343 Isroil Sattarov, Nina Karachik, Chori Sherdanov, Azlarxon Tillaboev & Alexei A. Pevtsov Distribution of magnetic shear angle in an emerging flux region ....................................................... 347 Sanjay Gosain Damping rates of p-modes by an ensemble of randomly distributed thin magnetic flux tubes .......................... 351 Andrew Gascoyne & Rekha Jain Subsurface flows associated with rotating sunspots ............ 356 Kiran Jain, Rudolf Komm, Irene Gonzalez Hernández, Sushant Tripathy, & F. Hill Studies of waves in sunspots using spectropolarimetric observations .................................................. 361 Gordon A. MacDonald & S.P. Rajaguru A theoretical model of torsional oscillations from a flux transport dynamo model ........................................ 366 Piyali Chatterjee, Sagar Chakraborty, & Arnab Rai Choudhuri The solar active region magnetic field and energetics ......... 369 Qiang Нu, Na Deng, Debi Choudhary, Brahama Dasgupta, & Jiangtao Su How reliable are observations of solar magnetic fields? Comparison of full-disk measurements in different spectral lines and calibration issues of space missions SOHO, Hinode, and SDO? ...................................................... 374 Mikhail Demidov Towards physics-based helioseismic inversions of subsurface sunspot structure ............................................. 379 Doug Braun, Aaron Birch, Ashley Crouch & Matthias Rempel Helioseismic probing of the subsurface structure of sunspots .. 384 Ashley Crouch, Aaron Birch, Doug Braun, & Christopher Clack Temporal changes in the frequencies of the solar p-mode oscillations during solar cycle 23 ............................ 389 Edward Rhodes, Jr Johann Reiter, Jesper Schou, Tim Larson, P. Scherrer, J. Brooks, P McFaddin, В Miller, J Rodriguez, & J Yoo Correlations of magnetic features and the torsional pattern ... 393 Judit Muraközy & András Ludmány Signature of collision of magnetic flux tubes in the quiet solar photosphere ............................................. 399 Aleksandra Andic Photospheric data programs at the Debrecen Observatory ........ 403 Lajos Győri, Tunde Baranyi, & Andrs Ludmбny Chromosphere above sunspots as seen at millimeter wavelengths . 408 Maria Loukitcheva, Sami Solanki, & Stephen White Study of sunspot motion and flow fields associated with solar flares ........................................................ 412 Shuo Wang, Chang Liu, & Haimin Wang Study of the change of surface magnetic field associated with flares ........................................................ 417 Yixuan Li, Ju Jing, Yuhong Fan, & Haimin Wang Comparison of numerical simulations and observations of helioseismic MHD waves in sunspots ............................ 422 Konstantin Parchevsky, Junwei Zhao, Alexander Kosovichev, & Matthias Rempel Are the umbral dots, penumbral grains, and G band bright points formed by the same type of magnetic flux tubes? ........ 426 Isroil Sattarov Possible explanations of the maunder minimum from a flux transport dynamo model ........................................ 430 Bidya Binay Karak & Arnab Rai Choudhuri Evidence for the return meridional flow in the convection zone from latitude motions of sunspots ........................ 434 Koduvayur Sivaraman, Harikumar Sivaraman, S.S. Gupta & Robert Howard Observations of density fluctuations in a quiescent prominence .................................................... 438 Ken Nakatsukasa Excitation of magneto-acoustic waves in network magnetic elements ...................................................... 442 Yoshiaki Kato, Oskar Steiner, Matthias Steffen, & Yoshinori Suematsu Solar flares forcasting using sunspot-groups classification and photospheric magnetic parameters .......................... 446 Yuan Yuan, Frank Shih, Ju Jing, & Haimin Wang Using SONG to probe rapid variability and evolution of starspots ..................................................... 451 James E. Neff, Jon Hakkila, Frank Hill, Jason Jackiewicz, Travis S. Metcalfe, Jørgen Christensen-Dalsgaard, Søren Prandsen, Frank Grundahl, Hans Kjeldsen, Ujfe Gråe Jørgensen, Per Kjærgaard Rasmussen, & Sheng-Hong Gu Optical polarimetry and photometry of young Sun-like star LO Peg ....................................................... 455 Jeewan Pandey, Biman Medhi, & Ram Sagar Surface evolution in stable magnetic fields: The case of the fully convective Dwarf V374Peg ................................ 460 Krisztin Vida, Katalin Oláh, & Zsolt Kővári A nonlinear model for rotating cool stars ..................... 465 Sydney Barnes The dependence of maximum starspot amplitude and the amplitude distribution on stellar properties .................. 469 Steven Saar, Michelle Dyke, Søren Meibom, & Sydney Barnes The effects of starspots on transit photometry ................ 474 John Hodgson II & Damian Christian Structure of sunspots observed with Hinode solar optical telescope ..................................................... 478 Debi Choudhary, Gordon MacDonald, Na Deng, & Shimizu Toshifumi Laboratory simulation of solar magnetic flux rope eruptions ... 483 S.K.P. Tripathi & W. Gekelman Microwave Depolarization above Sunspots ....................... 487 Jeongwoo Lee & Stephen M. White Damping and the period ratio P1/2P2 of non-adiabatic slow mode .......................................................... 491 Nagendra Kumar & Anil Kumar Pre-Eruption Magnetic Configurations in the Active-Region Solar Photosphere ............................................. 495 Manolis K. Georgoulis Author Index .................................................. 499 Subject Index ................................................. 502