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The weighting-function method in the computation of solar and stellar spectra
Affiliation:1. Sustainable Energy and Power System Research Centre, Research Institute for Science and Engineering, University of Sharjah, United Arab Emirates;2. Mechanical Power Engineering Department, Faculty of Energy Engineering, Aswan University, Aswan 81528, Egypt;3. Electrical Engineering Department, Faculty of Energy Engineering, Aswan University, Aswan 81528, Egypt;4. Department of Sustainable and Renewable Energy Engineering, College of Engineering, University of Sharjah, Sharjah, PO Box 27272, United Arab Emirates;5. Department of Electrical Engineering, College of Engineering, University of Sharjah, Sharjah, United Arab Emirates;6. Faculty of Technological Industry and Energy, Thebes Technological University, Thebes, 85863, Luxor, Egypt;7. School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China;1. Department of Mechanical Engineering, Panimalar Engineering College, Chennai, India;2. Department of Mechanical Engineering, R.M.K. College of Engineering and Technology, Puduvoyal, Chennai, India;3. Department of Mechanical Engineering, R.M.D. Engineering College, Chennai, India;4. Department of Mechanical Engineering, KCG College of Technology, Chennai, India;1. Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran;2. Department of Mechanical Engineering, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran;3. Environmental Quality, Atmospheric Science and Climate Change Research Group, Ton Duc Thang University, Ho Chi Minh City, Viet Nam;4. Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam;5. Department of Industrial Management, Faculty of Management and Accounting, Allameh Tabataba’i University, Tehran, Iran;6. Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran;7. Department of Architecture, Sepehr Institute of Higher Educational, Isfahan, Iran;8. Department of Architecture, Najafabad Branch, Islamic Azad University, Najafabad, Iran;9. Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam;1. The University of Western Australia, School of Electrical, Electronic, and Computer Engineering, Perth Australia;2. The University of Western Australia, School of Physics, Mathematics and Computing, Perth, Australia;3. Military Institute of Science and Technology, Department of Mechanical Engineering, Dhaka, Bangladesh
Abstract:Accurate expressions for the computation of absorption lines, both in solar and stellar spectra, can only be obtained with the help of differential weighting functions. For arbitrary absorption in the stellar flux, the integrated weighting function is only approximately applicable. Approximate formulae for the weighting functions are not required.
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