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Astronomy: Computer Simulations of Astronomical Objects seen by the Next Generation Optical Space Telescopes

 

Computer Simulations of Astronomical Objects seen by the Next Generation Optical Space Telescopes

A.T.Mohammed 
Department of Astronomy, College of Science, University of Baghdad. Baghdad-Iraq

Abstract

Computer simulations are carried out 10 quantify the quality of astronomical objects as seen by the Next Generation Space Telescope (NGST). These simulations are studied in terms of the modulation transfer function, MTF, of a reference star, and the power spectrum of a binary star. The results of these simulations are compared with the simulated results for the same astronomical objects as seen via Hubble Space Telescope (HST), and a 4 m Ground-Based Optical Telescope (GBT) in the absence and presence of atmospheric turbulence. This study is also extended to examine the percentage frequency recovery of these telescopes from a binary star of separation is just within the full extent of Hubble's psf in the absence and presence of atmospheric turbulence.



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