Abstract Details

Name: Sankarasubramanian Kasiviswanathan
Affiliation: UR Rao Satellite Centre
Conference ID: ASI2021_709
Title : Sun and Heliosphere: Remote Sensing with Aditya-L1
Authors and Co-Authors :
Abstract Type : Invited
Abstract Category : Plenary
Abstract : Aditya-L1 is India's first dedicated and approved observatory class mission for solar studies. The satellite will be placed at the Sun-Earth Lagrangian – L1 in order to observe the Sun uninterruptly. The main scientific objective of this mission is to study the solar coronal and chromospheric dynamics. This mission carries seven payloads with four remote sensing and three in-situ instruments. While the remote sensing payloads observe the chrmospheric and coronal dynamics, the in-situ payloads measures the particles and magnetic fields at L1 point which are modified by the activities originating from the Sun. In this presentation, the science capabilities of four remote sensing payloads will be discussed, especially the solar drivers for the heliosphere. As we know the heliospheric (between sun and Earth and beyond) conditions are governed by the solar drivers (Solar wind, Coronal Mass Ejections and Solar Flares). Solar wind will be studied using the in-situ experiments. The CMEs and Flares are the primary space weather drivers due to their shear size, volume, magnetic field, and density. The four remote sensing payloads on Aditya-L1 would provide data sets which can study both CMEs and Flares together in a single space mission which has not been done so far. Uniqueness of science which can be carried out with these remote sensing payloads will be listed out. The overall combined science aspects from observations with multiple remote sensing payloads (apart from the individual science cases of each payload) will be described. Finally, the enhanced science which can be carried out with data from this mission in combination with other ground- and space-based observatories will be explored. Contents of the Talk: (i) What is Aditya-L1 and Science Advantage of being at L1 (ii) Science goals of individual remote sensing payload and its capabilities (iii) Unique science compared to other missions from individual payloads (iv) Science cases by combining payloads on-board Aditya-L1 (v) Enhanced cience capabilities by combining data from Aditya-L1 and from other ground- and space-based observatories.