IIAP Ph.D. Theses: Recent submissions

  • Rathna Kumar, S (Indian Institute of Astrophysics, 2014-04)
    Cosmology is the study of the universe as a whole, in particular its physical origin and evolution. According to the current understanding, the universe came into existence some 13.7 billion years ago in a Big Bang (a ...
  • Sasikumar Raja, K (Indian Institute of Astrophysics, 2014-10)
    The radio telescopes that are presently in operation specifically to study the Sun are limited. We have: (1) the Nobeyama radioheliograph in Japan operating at 17 and 34 GHz; (2) the Nan¸cay radioheliograph in France ...
  • Drisya, K (Indian Institute of Astrophysics, 2015-03)
    Chemical composition of metal-poor stars are crucial to develop an understanding of the nature of the earliest stars formed in the universe, the nucleosynthesis events associated with them, as well as, to redefine the ...
  • Sowmya, K (Indian Institute of Astrophysics, 2016-03)
    The Sun is a unique physical laboratory in which the various domains of physics inaccessible to laboratories on earth can be studied in great detail. Its proximity allows us to understand it in great depths. George Ellery ...
  • Supriya, H. D (Indian Institute of Astrophysics, 2016-03)
    The discovery of Zeeman effect opened a new window to observe the Sun. It enabled to understand the magnetic field which is one of the basic features that govern different physical processes on the Sun. These magnetic ...
  • Sangeetha, C. R (Indian Institute of Astrophysics, 2017-01)
    Sun has complex magnetic features like sunspots, magnetic bright points, plages, network fields, filaments, etc. These complex magnetic features are found to be associated with various observed dynamical phenomenons like ...
  • Samanta, T (Indian Institute of Astrophysics, 2017-01)
    The thesis is focused on the study of the small-scale transients and waves as seen in the different layers of the solar atmosphere and the coupling between the different layers. The unique high resolution data obtained ...
  • Ambily, S (Indian Institute of Astrophysics, 2018-11)
    We are developing compact astronomical payloads for ultraviolet (UV) observations from CubeSats and high altitude balloons. It is important to have a highly sensitive, low noise detector in the UV region where the ...
  • Reddy, A. B. S (Indian Institute of Astrophysics, 2014-06)
    We have initiated a program to explore the presence of chemical inhomogeneities in the Galactic disk using the open clusters (OCs) as ideal probes. We have obtained high S/N - ratio and high- dispersion echelle spectra ...
  • Ramya, P (Indian Institute of Astrophysics, 2014-02)
    Our Galaxy, also called the Milky Way, is a spiral galaxy consisting of three major distinct components: bulge, disc and halo. They differ from each other in their structural as well as kinematical and chemical properties. ...
  • Gurumath, S. R (Vellore Institute of Technology and Indian Institute of Astrophysics, 2019-05)
    By employing exoplanetary physical and orbital characteristics, aim of this study is to understand the genesis, dynamics, chemical abundance and magnetic field structure of Sun-like G stars and relationship with their ...
  • Smitha, H. N (Indian Institute of Astrophysics, 2014-06)
    One of the primary causes for the occurrence of observed features on the Sun is its magnetic field. The traditional way of measuring the solar magnetic fields is through the Zeeman effect. Over the decades, as the precision ...
  • Athiray, P. S (Indian Institute of Astrophysics, 2015-05)
    The study of origin and evolution of the Moon have generated scientific curiosity for a long time. With the improved technology, with larger telescopes and better scientific instruments the lunar surface got revealed and ...
  • Hema, B. P (Indian Institute of Astrophysics, 2014-04)
    The group of hydrogen-deficient (H-deficient) and carbon rich supergiants spanning a range in their effective temperatures are: hydrogen deficient carbon (HdC) stars, R Coronae Borealis (RCB) stars, and extreme helium ...
  • Sreejith, A. G (Indian Institute of Astrophysics, 2017-03)
    "We are conducting high-altitude balloon experiments at Indian Institute of Astrophysics using small scientific payloads for atmospheric and astronomical studies. The ultraviolet (UV) window has been largely unexplored ...
  • Pant, V (Indian Institute of Astrophysics, 2017-10)
    The thesis is focused on the study of the coronal transients at different spatial and tem- poral scales seen in different layers of the solar atmosphere using space-based imaging and spectroscopic instruments. The first ...
  • Hariharan, K (Indian Institute of Astrophysics, 2017-04)
    Ground-based radio observations of the solar corona at low frequencies (< 100 MHz) provide useful information in the height range ≈ 1−2 R☉ above the photosphere which is presently difficult to observe at other regions ...
  • Vidhya, G (Indian Institute of Astrophysics, 2017-07)
    Cosmic Microwave Background (CMB) is a relic from the early Universe. It was generated due to the physical processes in the early Universe during an epoch known as the recombination or decoupling epoch. The CMB has highly ...
  • Srinivasa Prasannaa, V (Indian Institute of Astrophysics, 2017-06)
    The electric dipole moment of the electron (eEDM) could arise due to the simultaneous violations of parity (P) and time reversal (T) symmetries. If observed, it would be an intrinsic property of the electron, like its ...
  • Gurugubelli, Uday Kumar (Indian Institute of Astrophysics, 2010-11)
    The discovery of several bright supernovae (SNe) in recent years has evoked a great deal of interest in these objects. The study of these objects are of importance not only as probes to the end stages of stellar evolution, ...

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