TY - BOOK AU - Pruthvi, Hemanth AU - Dr. K. B. Ramesh TI - Design and development of chromospheric vector magnetograph for sunspot studies: : a thesis submitted for the degree of doctor of philosophy (technology) to the department of applied optics and photonics, University college of technology, University of Calcutta PY - 2019/// CY - Bangalore PB - Indian Institute of Astrophysics KW - Solar atmosphere KW - Sunspot KW - Chromospheric magnetic field ER -