Abstract Details
| Name: AK Srivastava Affiliation: IIT(BHU), Varanasi Conference ID: ASI2019_507 Title : On the New Heating Candidates for the Atmosphere of The Magnetic Sun Authors and Co-Authors : A.K. Srivastava Abstract Type : Poster Abstract Category : Sun and the Solar System Abstract : In this focused review talk, first I will describe briefly the scientific developments about possible coronal heating mechanisms, broadly the role of magnetic reconnection, and magnetohydrodynamic (MHD) waves. Although with the advent of the high-resolution spectrographs and imaging telescopes commissioned both in space and ground (e.g., instruments onboard SoHO, TRACE, Hinode, SDO, IRIS, etc; and SST, ROSA etc), there were remarkable developments in the understanding of the solar atmospheric heating since last two decades. However, still over all scenario remains a mystery that how various candidates impart energy to the corona, and in what ways they are evolved in the complex solar atmosphere. The concept of uniform solar atmospheric heating is an old concept now, and the scenario of the localized heating is now much appropriate in the current state-of-art. The most recent developments are the discoveries of new heating candidates (e.g., high frequency torsional waves, see: https://www.nature.com/articles/srep43147; Pseudoshocks, see: https://www.nature.com/articles/s41550-018-0590-1). These new candidates have supported the concept that the Sun's coronal heating is basically enforced from the lower solar atmosphere (i.e, photosphere and/or chromosphere), and that the chromospheric heating is linked with the coronal heating in a very significant manner. Such recent scientific developments are going to provide new detailed scenario about the chromospheric/coronal heating along with the advent of the next generation high resolution observatories both in ground and space (e.g., 4m- DKIST; 4m-EST; 2m-NLST; Parker's Probe; Solar Orbiter, Aditya-L1 etc.). |