Tiwari, S. K.; van Noort, M.; Solanki, S. K.; Lagg, A.: Depth-dependent global properties of a sunspot observed by Hinode using the Solar Optical Telescope/Spectropolarimeter. Astronomy and Astrophysics 583, A119 (2015)
Thalmann, J. K.; Tiwari, S. K.; Wiegelmann, T.: Force-free Field Modeling of Twist and Braiding-induced Magnetic Energy in an Active-region Corona. Astrophysical Journal 780 (1), 102 (2014)
Thalmann, J. K.; Tiwari, S. K.; Wiegelmann, T.: Comparison of force-free coronal magnetic field modeling using vector fields from Hinode and Solar Dynamics Observatory. Astrophysical Journal 769, pp. 59 - 68 (2013)
Tiwari, S. K.: Erratum ``On the Force-Free Nature of Photospheric Sunspot Magnetic Fields as Observed from Hinode (SOT/SP)'' (vol 744, pg 65, 2012). Astrophysical Journal 759 (2), 148 (2012)
Joshi, B.; Veronig, A. M.; Lee, J.; Bong, S.-C.; Tiwari, S. K.; Cho, K.-S.: Pre-Flare Activity and Magnetic Reconnection during the Evolutionary Stages of Energy Release in a Solar Eruptive Flare. Astrophysical Journal 743 (2), 195 (2011)
Kumar, B.; Venkatakrishnan, P.; Mathur, S.; Tiwari, S. K.; Garcia, R. A.: On the Flare-Induced Seismicity in the Active Region Noaa 10930 and Related Enhancement of Global Waves in the Sun. Astrophysical Journal 743 (1), 29 (2011)
Ravindra, B.; Venkatakrishnan, P.; Tiwari, S. K.; Bhattacharyya, R.: Evolution of Currents of Opposite Signs in the Flare-productive Solar Active Region NOAA 10930. Astrophysical Journal 740, 19 (2011)
First Light! The spectro-polarimeter of the world's largest solar telescope in Hawaii looks at the Sun for the first time. The instrument was developed in Germany.
Dr. Theodosios Chatzistergos receives award by the European Space Weather and Space Climate Association for his research findings on the historical activity of the Sun.
The Zdenĕk Švetska Senior Prize of the Solar Physics Division of the European Physical Society (EPS) recognizes Solanki’s pioneering contributions to solar research.
The magnetic field in the solar atmosphere exceeds the geomagnetic field strength by four orders of magnitude. It greatly influences the processes of energy transport within the solar atmosphere, and dominates the morphology of the solar chromosphere and corona. Kinetic energy from convective motions in the Sun can be efficiently stored in magnetic fields and subsequently released - to heat the solar corona to several million degrees or to blast off coronal mass ejections.
Application deadline 1 October 2024. PhD projects in planetary science, solar and stellar physics, solar magnetism, heliophysics, helioseismology, asteroseismology, ...