Contents

• List of Tables
• List of Figures
• Introduction
  • Radio Astronomy
    • Early Days of Radio Astronomy
    • The Electromagnetic Spectrum
    • Radio Emission Mechanisms
  • Radio Telescopes
    • Resolution of a Radio Telescope
  • What does a Radio Telescope measure?
    • Measurable Quantities
    • Flux Density/Surface Brightness measured by a Radio Telescope
    • Emission Mechanisms at Low Radio Frequencies
    • Radio Frequency Interference
  • This Project - Motivations
  • Thesis Outline
  
  
• Radio Astronomy, Aperture Synthesis and the GMRT
  • Radio Astronomy and Aperture Synthesis
    • The Radio Sky
    • Radio Interferometry
    • Aperture Synthesis
  • The Giant Meterwave Radio Telescope
    • Introduction
    • The GMRT Array
    • Antennas and Feeds
    • Receiver System
    • Correlator
    • Software
  
  
• Observations and Data Reduction
  • Very Large Array
    • Introduction
    • VLA Calibrator Manual
    • Calibration
  • GMRT Observations
    • Introduction
    • Sample Selection
    • Observations
  • Data Reduction
    • Data Editing and Calibration in AIPS
    • Imaging - Concepts
    • Imaging in AIPS
    • Primary Beam Correction
  
  
• Observational Results
  • 610 MHz Results
    • Plots - Distance
    • Radio Images
  • 235 MHz Results
    • Plots - Distance
    • Radio Images
  • GMRT Calibrators
    • Calibrator Quality - Our Criteria
    • Calibrators, their Identifications
  
  
• Study of Emission Mechanism at Low Radio Frequencies
  • Synchrotron Emission Mechanism
  • Modifications of the Power Law Spectrum
    • Radiation Transfer
    • Thermal Absorption
    • Synchrotron Self Absorption
    • Tsytovitch-Razin Effect
  • Radio Spectra
    • Information in Radio Spectra
    • Classification of Spectra
  
  
• Conclusion and Future Plans
  • Conclusion
  • Future plans
  
  
• Results summarized at 610 MHz
• Results summarized at 235 MHz
• Bibliography