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Preprints

Elstner D., Gressel O.: The role of star formation for the galactic dynamo

 

2016

Käpylä, P. J., Käpylä, M. J., Olspert, N., Warnecke, J. & Brandenburg, A. 2017, "Convection-driven spherical shell dynamos at varying Prandtl numbers", A&A, DOI: 10.1051/0004-6361/201628973

Warnecke, J., Käpylä, P. J., Käpylä, M. J. & Brandenburg, A. 2016, "Influence of a coronal envelope as a free boundary to global convective dynamo simulations", A&A, 596, A115

F. Spada, M. Gellert, R. Arlt, S. Deheuvels: Angular momentum transport efficiency in post-main sequence low-mass stars, Astronomy & Astrophysics, Volume 589, id.A23 (2016)

M. Gellert, G. Rüdiger, M. Schultz, A. Guseva, R. Hollerbach: Nonaxisymmetric MHD instabilities of Chandrasekhar states in Taylor-Couette geometry, The Astrophysical Journal, Volume 823, Issue 2, article id. 99 (2016)


A. Paredes, M. Gellert, G. Rüdiger:Mixing of a passive scalar by the instability of a differentially rotating axial

pinch, Astronomy & Astrophysics, Volume 588, id.A147 (2016)

G. Rüdiger, M. Schultz, M. Gellert, F. Stefani: Subcritical excitation of the current-driven Tayler instability by super-rotation, Physics of Fluids, Volume 28, Issue 1, id.014105 (2016)

Senthamizh Pavai, V.; Arlt, R.; Diercke, A.; Denker, C.; Vaquero, J. M.: Sunspot group tilt angle measurements from historical observations, Advances in Space Research, Volume 58, Issue 8, p. 1468-1474 (2016)

Leussu, Raisa; Usoskin, Ilya G.; Arlt, Rainer; Mursula, Kalevi: Properties of sunspot cycles and hemispheric wings since the 19th century, Astronomy & Astrophysics, Volume 592, id.A160, 8 pp.

Lefèvre, Laure; Vennerstrøm, Susanne; Dumbović, Mateja; Vršnak, Bojan; Sudar, Davor; Arlt, Rainer; Clette, Frédéric; Crosby, Norma: Detailed Analysis of Solar Data Related to Historical Extreme Geomagnetic Storms: 1868 - 2010, Solar Physics, Volume 291, Issue 5, pp.1483-1531 (2016)


 

2015

V. Senthamizh Pavai, R. Arlt, M. Dasi-Espuig, N. Krivova, S. Solanki: Sunspot areas and tilt angles for solar cycles 7-10, Astronomy & Astrophysics, Volume 584, id.A73, 13 pp. (2015)

Neuhäuser , R.; Arlt, R.; Pfitzner, E.; Richter, S: Newly found sunspot observations by Peter Becker from Rostock for 1708, 1709, and 1710, Astronomische Nachrichten, Vol.336, Issue 7, p.623 (2015)

Usoskin, Ilya G.; Arlt, Rainer; Asvestari, Eleanna; Hawkins, Ed; Käpylä, Maarit; Kovaltsov, Gennady A.; Krivova, Natalie; Lockwood, Michael; Mursula, Kalevi; O'Reilly, Jezebel; Owens, Matthew; Scott, Chris J.; Sokoloff, Dmitry D.; Solanki, Sami K.; Soon, Willie; Vaquero, José M.: The Maunder minimum (1645-1715) was indeed a grand minimum: A reassessment of multiple datasets, Astronomy & Astrophysics, Volume 581, id.A95, 19 pp. (2015)

Reinhold, Timo; Arlt, Rainer: Discriminating solar and antisolar differential rotation in high-precision light curves, Astronomy & Astrophysics, Volume 576, id.A15, 8 pp. (2015)

F. Feudel, L. Tuckerman, M. Gellert, N. Seehafer: Bifurcations of rotating waves in rotating spherical shell convection, Physical Review E, Volume 92, Issue 5, id.053015 (2015)

Diercke, A., Arlt, R., Denker, C.: Digitization of sunspot drawings by Spörer made in 1861-1894, AN, 336, 53, 2015

Paunzen, E., Fröhlich, H.-E., Netopil, M., Weiss, W.W., and Lüftinger, T.: "The CoRoT chemical peculiar target star HD49310", A&A, 574, A57, 2015

Stasyszyn, F., Elstner, D.: A vector potential implementation for smoothed particle magnetohydrodynamics, J. Co. Ph. 282, 148, 2015

Järvinen, S.P., Arlt, R., Hackman, T., Marsden, S.C., Küker, M., Ilyin, I., Berdyugina, S.V., Strassmeier,  K.G., Waite, I.A.: Doppler images and the underlying dynamo. The case of AF Leporis, A&A 574, A25, 2015

Rüdiger, G., Gellert, M., Spada,  F., Tereshin, I.: The angular momentum transport by unstable toroidal magnetic fields, A&A 573, A80, 2015

Gellert M., Rüdiger, G.: Axisymmetry vs. nonaxisymmetry of a Taylor-Couette flow with azimuthal magnetic fields, AN 336, 61, 2015

 


2014

Arlt, R., Weiss, N.: Solar activity in the past and the chaotic behavior of the dynamo, SSRv 186, 525, 2014

Arlt, R.: Generation and evolution of stable stellar magnetic fields in young A-type stars, in Putting A Stars into Context: Evolution, Environment, and Related Stars, Proceedings of the international conference held on June 3-7, 2013 at Moscow M.V. Lomonosov State University in Moscow, Russia. Eds.: G. Mathys, E. Griffin, O. Kochukhov, R. Monier, G. Wahlgren, Moscow: Publishing house "Pero", 2014, p. 93-101,

Elstner, D., Beck, R., Gressel, O.: Do magnetic fields influence gas rotation in galaxies?, A&A 568, A104, 2014

Rüdiger G., Küker M., Tereshin I.: The existence of the Λ effect in the solar convection zone indicated by SDO observations, A&A 572, L7, 2014

Bonanno, A., Fröhlich, H.-E., Karoff, C., Lund, M. N., Corsaro, E., Frasca, : Magnetic activity, differential rotation, and dynamo action in the pulsating F9IV star KIC 5955122, 2014A&A...569A.113B

Arlt, R.: Sunspots from the past, treasures for today. Astron. Geophys. 55, 3.24

Wei X, Arlt R., Tilgner A.: A simplified model of collision-driven dynamo action in small bodies, PEPI 231, 30

Seilmayer, M.; Galindo, V.; Gerbeth, G.; Gundrum, Th.; Stefani, F.; Gellert, M.; Rüdiger, G.; Schultz, M.; Hollerbach, R.: Experimental Evidence for Nonaxisymmetric Magnetorotational Instability in a Rotating Liquid Metal Exposed to an Azimuthal Magnetic Field, Phys. Rev. Lett., 113

Rüdiger, G.; Brandenburg, A.: α effect in a turbulent liquid-metal plane Couette flow, Phys. Rev. E, 89

Rüdiger, G.; Gellert, M.; Schultz, M.; Hollerbach, R.; Stefani, F.: Astrophysical and experimental implications from the magnetorotational instability of toroidal fields,
Mon. Not. R Astron. Soc., 438, 271



2013

Arlt, R.; Leussu, R.; Giese, N.; Mursula, K.; Usoskin, I. G.: Sunspot positions and sizes for 1825-1867 from the observations by Samuel Heinrich Schwabe, MNRAS, 433, 3165, 2013

Johansson, E.P.G., Ziegler, U.: Interaction of Shocks with Interstellar Clouds as a Pre-stage to Star Formation, Numerical Modeling of Space Plasma Flows (ASTRONUM2012). Proceedings of a 7th International Conference held at Big Island, Hawaii, USA June 25-29, 2012. Edited by N.V. Pogorelov, E. Audit and G.P. Zank. San Francisco: Astronomical Society of the Pacific, 2013., p.72, 2013

Gressel, O., Nelson, R.P., Turner, N.J., Ziegler, U.: Adaptive-mesh MHD simulations of a jet emerging from a circumplanetary disc embedded in a protosolar nebula, European Planetary Science Congress 2013, held 8-13 September in London, UK, 2013

Gressel, O., Nelson, R.P., Turner, N.J., Ziegler, U.: Global Hydromagnetic Simulations of a Planet Embedded in a Dead Zone: Gap Opening, Gas Accretion, and Formation of a Protoplanetary Jet, ApJ 779, 59, 2013

Gressel, O., Elstner, D., Ziegler, U.: Towards a hybrid dynamo model for the Milky Way,, A&A 560, 93, 2013

Rüdiger, Günther; Kitchatinov, Leonid L.; Hollerbach, Rainer: Magnetic Processes in Astrophysics: theory,simulations, experiments, Wiley-VCH ISBN 978-3-527-41034-7

Arlt R.: Magnetic fields in hot stars and what we can learn for cool star, Astron. Nachr. 334, 109

Corsaro E., Fröhlich H.-E., Bonanno A., Huber D., Bedding T.R., Benomar O., De Ridder J., Stello D.: A Bayesian approach to scaling relations for amplitudes of solar-like oscillations in Kepler stars, Mon. Not. R. Astron. Soc. 430, 2313

Czesla S., Arlt R., Bonanno A., Strassmeier K.G., Huber K.F.: Stellar differential rotation in theory and observation, Astron. Nachr. 334, 89

Diercke A., Arlt R., Denker C.: Digitization of Spörer's sunspot drawings, Proc. of IAU Symp. 294: Solar and Astrophysical Dynamos and Magnetic Activity, A.G. Kosovichev, E.M. de Gouveia Dal Pino & Y. Yan, eds., p. 63

Gressel O., Bendre A., Elstner D.: On the magnetic quenching of mean-field effects in supersonic interstellar turbulence, Mon. Not. R. Astron. Soc. 429, 967

Johansson E.P.G., Ziegler U.: Radiative interaction of shocks with small interstellar clouds as a pre-stage to star formation, Astrophys. J.  766,  45

Krause M., Fierlinger K., Diehl R., Burkert A., Voss R., Ziegler U.: Feedback by massive stars and the emergence of superbubbles I. Energy efficiency & Vishniac instabilities, Astron. Astrophys. 550, A49

Szklarski J., Arlt R.: Nonlinear simulations explaining Ap star magnetic fields by instability remnants, Astron. Astrophys. 550, A94


2012

Arlt R., Fröhlich H.-E.: The solar differential rotation in the 18th century, Astron. Astrophys. 543, A7

Fröhlich H.-E., Frasca A., Catanzaro G., Bonanno A., Corsaro E., Molenda-Zakowicz J., Klutsch A., Montes D.: Magnetic activity and differential rotation in the young Sun-like stars KIC 7985370 and KIC 7765135, Astron. Astrophys. 543, A146

Gellert M., Rüdiger G., Schultz M.: Angular momentum transport by standard MRI in cylindric Taylor-Couette flows, Astron. Astrophys.  541, A124

Hubrig S., Gonzalez J.F., Ilyin I., Korhonen H., Schöller M., Savanov I., Arlt R. et al.: Magnetic fields of HgMn stars, Astron. Astrophys.  547, A90

Kondic T., Rüdiger G., Arlt R.: Linear stability analysis of the Hall-MRI in a spherical domain, Astron. Nachr. 333, 202

Küker M., Rüdiger G.: Differential rotation and meridional flow of K giants: predicitons from mean field theory, Astron. Nachr. 333, 1028

Mei Z., Ziegler U., Lin J.: Numerical experiments of disturbance to the solar atmosphere caused by eruptions, SCIENCE CHINA Physics, Mechanics & Astronomy 55, 1316

Ni L., Ziegler U., Huang Y.-M., Lin J., Mei Z.: Effects of plasma beta on the plasmoid instability, Physics of Plasmas 19, 072902

Ni L., Roussev I.I., Lin J., Ziegler U.: Impact of temperature-dependent resistivity and thermal conduction on plasmoid instabilities in current sheets in the solar corona,  Astrophys. J. 758,  20

Rüdiger G., Gellert M., Schultz M., Strassmeier K.G., Stefani F., Gundrum T., Seilmayer M., Gerbeth G.: Critical fields and growth rates of the Tayler instability as probed by a columnar gallium experiment, Astrophys. J.  755, 181

Rüdiger G., Kitchatinov, L.L., Schultz, M.: Suppression of the large-scale Lorentz force by turbulence, Astron. Nachr. 333, 84

Rüdiger G., Kitchatinov. L.L., Elstner, D.: Helicity and dynamo action in magnetized stellar radiation zones, Mon. Not. R. Astron. Soc.  425, 2267

Rüdiger G., Küker M., Schnerr R.: The cross-helicity at the solar surface by simulations and observations, Astron. Astrophys. 546, A23

Seilmayer M., Stefani F., Gundrum T., Weier T.,   Gerbeth G., Gellert M., Rüdiger G.: Experimental evidence for a transient Tayler instability in a cylindrical liquid-metal column, Phys. Rev. Lett. 108, id. 244501

Ziegler U.: Block-structured adaptive mesh refinement on curvilinear-orthogonal grids, SIAM J. Sci. Comput. 34, C102



2011

Arlt R.: The sunspot observations by Samuel Heinrich Schwabe, Astron. Nachr. 332, 805

Arlt R.: Global MHD phenomena and their importance for stellar surfaces, Proc. of IAU Symp. 273: Physics of Sun and Star Spots, D.P. Choudhary, K.G. Strassmeier, eds., p. 141

Arlt R., Abdolvand A.: First solar butterfly diagram from Schwabe's observations in 1825-1867, Proc. of IAU Symp. 273: Physics of Sun and Star Spots, D.P. Choudhary, K.G. Strassmeier, eds., p. 286

Arlt R., Rüdiger G.: Amplification and stability of magnetic fields and dynamo effect in young A stars, Mon. Not. R. Astron. Soc. 412, 107

Arlt R., Rüdiger G.: Magnetic fields of Ap stars as a result of Tayler instability, Astron. Nachr. 332, 70

Feudel F., Bergemann K., Tuckerman L.S., Egbers C., Futterer B., Gellert M., Hollerbach R.: Convection patterns in a spherical fluid shell, Phys. Rev. E 83,  id. 046304

Frasca A., Fröhlich H.-E., Bonanno A., Catanzaro G., Biazzo K., Molenda-Zakowicz J.: Magnetic activity and differential rotation in the very young star KIC 8429280, Astron. Astrophys. 532, A81

Gellert M., Rüdiger G., Hollerbach R.: Helicity and alpha-effect by current-driven instabilities of helical magnetic fields, Mon. Not. R. Astron. Soc. 414, 2696

Gressel O., Ziegler U., Elstner D.: Magnetic field amplification by SN-driven interstellar turbulence, EAS Publ. 44, 73

Illarionov E., Sokoloff D., Arlt R., Khlystova A.: Cluster analysis for pattern recognition in solar butterfly diagrams, Astron. Nachr. 332, 590

Kondic T., Rüdiger G., Hollerbach R.: The shear-Hall instability in newborn neutron stars, Astron. Astrophys. 535, L2

Korhonen H., Elstner D.: Investigating the variation of latitudinal stellar spot rotation and its relation to the real stellar surface rotation, Astron. Astrophys. 532, A106

Küker M., Rüdiger G.: Cross helicity in stellar magnetoconvection, Proc. of IAU Symp. 274, Advances in Plasma Astrophysics, A. Bonanno, E. de Gouveia dal Pino, eds.,  p. 143

Küker M., Rüdiger G.: Differential rotation and meridional flow of Arcturus, Astron. Nachr. 332, 83

Küker M., Rüdiger G.: Differential rotation and meridional flow on the lower zero-age main sequence: Reynolds stress versus baroclinit flow, Astron. Nachr. 332, 933

Küker M., Rüdiger G., Kitchatinov L.L.: The differential rotation of G dwarfs, Astron. Astrophys. 530, A48

Rüdiger G., Gellert M., Arlt R.: On radiation-zone dynamos, Proc. IAU Symp. 274: Advances in Plasma Astrophysics, A. Bonanno, E. de Gouveia dal Pino, A. Kosovichev, eds.,  p. 110

Rüdiger G., Kitchatinov L.L., Brandenburg A.: Cross helicity and turbulent magnetic diffusivity in the solar convection zone, Solar Phys. 269, 3

Rüdiger G., Schultz M., Elstner D.: The pinch-type instability of helical magnetic fields, Astron. Astrophys. 530, A55

Rüdiger G., Schultz M., Gellert M.: The Tayler instability of toroidal magnetic fields in a columnar gallium experiment, Astron. Nachr. 332, 17

Ziegler U.: A semi-discrete central scheme for magnetohydrodynamics on orthogonal-curvilinear grids, J. Computat. Phys. 230, 1035

 

2010

Cohen O., Drake J.J., Kashyap V.L., Korhonen H., Elstner D., Gombosi T.I.: Magnetic structure of rapidly rotating FK Comae-type coronae, Astrophys. J. 719, 299

Hollerbach R., Teeluck V., Rüdiger G.: Nonaxisymmetric magnetorotational instabilities in cylindrical Taylor-Couette flow, Phys. Rev. Lett. 104, 044502

Hubrig S., Schöller M., Savanov I., Gonzalez J.F., Cowley C.R., Schütz O., Arlt R., Rüdiger G.: The exceptional Herbig Ae star HD 101412: The first detection of resolved magnetically split lines and the presence of chemical spots in a Herbig star, Astron. Nachr. 331, 361

Kitchatinov L.L., Rüdiger G.: Nonaxisymmetric modes of MRI in dissipative Keplerian disks, Astron. Astrophys. 513, L1

Lüftinger T., Fröhlich H.-E., Weiss W.W., et al.: Surface structure of the CoRoT CP2 target star HD 50773, Astron. Astrophys. 509, A43

Rüdiger G., Gellert M., Schultz M., Hollerbach R.: Dissipative Taylor-Couette flows under the influence of helical magnetic fields, Phys. Rev. E 82, 016319

Rüdiger G., Kitchatinov L.L.: The kink-type instability of toroidal stellar magnetic fields with thermal diffusion, Geophys. Astrophys. Fluid Dyn. 104, 273

Rüdiger G., Schultz M.: Tayler instability of toroidal magnetic fields in MHD Taylor-Couette flows, Astron. Nachr. 331, 121

Shtemler Yu. M., Mond M., Rüdiger G., Regev O., Umurhan O.M.: Non-exponential hydrodynamical growth in density-stratified thin Keplerian discs, Mon. Not. R. Astron. Soc. 406, 517

Sokoloff D., Arlt R., Moss D., et al.: Sunspot cycles and Grand Minima, Proc. of IAU Symp. 264, Solar and stellar variability: Impact on Earth and planets,A.G. Kosovichev, A.H. Andrei & J.-P. Rozelot, eds., p. 111

Strassmeier K.G., Granzer T., Kopf M., Weber M., Küker M., et al.: Rotation and magnetic activity of the Hertzsprung-gap giant 31 Comae, Astron. Astrophys. 520, A52

Zolotova N.V., Ponyavin D.I., Arlt R., Tuominen I.: Secular variation of hemispheric phase differences in the solar cycle, Astron. Nachr. 331, 765

 

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