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  • 1:51 PM, Tuesday, 21 Sep 2021

Course Postgraduate
Semester Electives
Subject Code ESA666
Subject Title Advanced Astronomical Imaging


Imaging and detector basics - resolution, sensitivi ty, noise, dynamic range, efficiency, linearity - image formation at focal plane - Fourier transform - Deconvolution and Image reconstruction - Photography, CCD -- Large optical / IR telescopes a nd their designs - thin lens - segmented mirrors - Active optics - Designs of few upcoming l arge telescopes (eg. EVLT, TMT) -- Techniques to overcome atmopsheric turbulence - Fri ed parameter - Isophase patches and speckles - Adaptive optics - Lucky imaging - Speckl e imaging -- Interferometry - Basic principles - Michelson stellar interferometer - Aperture synth esis - VLBI - New and Upcoming missions - eVLA, ALMA, SKA -- Non focussing methods - Tubular and modulation collimators, Coded masks, Fresnel zone-plates -- Astrotomographic tech niques - Lunar occultation, eclipse mapping, doppler tomography, echo mapping

Text Books

same as Reference


1. Electronic Imaging in Astronomy: Detectors and I nstrumentation - Ian S. McLean, Springer, 2008

2. Adaptive Optics for Astronomical Telescopes - Jo hn W. Hardy, Oxford Series in Optical & Imaging Sciences, 1998

3. Astrotomography: Indirect Imaging Methods in Obs ervational Astronomy, Editors: H.M.J. Boffin, D. Steeghs, J. Cuypers, Springer Lecture se ries, 2001

4. Interferometry and Synthesis in Radio Astronomy - Thompson, Moran & Swenson, Wiley, 2001

5. Lucky Exposures:: Diffraction Limited Astronomic al Imaging through the Atmosphere - Robert Tubbs, VDM Verlag Dr. Müller, 2010

6. Astronomical Image and Data Analysis - J.-L. Sta rck, F. Murtagh, Astronomy and Astrophysics Library, 2006