Raghunathan Srianand (born February 1, 1969) is an Indian cosmologist, astrophysicist and a scientist at the

Inter-University Centre for Astronomy and Astrophysics The Inter-University Centre for Astronomy and Astrophysics (IUCAA) is an autonomous institution set up by the University Grants Commission of India to promote nucleation and growth of active groups in astronomy and astrophysics in Indian unive ...

(IUCAA). Known for his research on redshift evolution on the cosmic microwave background radiation, Srianand is a member of the

International Astronomical Union The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...

and the

Perimeter Institute for Theoretical Physics Perimeter Institute for Theoretical Physics (PI, Perimeter, PITP) is an independent research centre in foundational theoretical physics located in Waterloo, Ontario, Canada. It was founded in 1999. The institute's founding and major benefactor i ...

. Focusing his work on observational and theoretical astrophysics, he is known to have assisted in widening the understanding of the ''bounds on the variation of fundamental constants using the absorption line spectra of quasars''. High-z proto-galaxies, time and space variation of fundamental constants,

redshift In physics, a redshift is an increase in the wavelength, and corresponding decrease in the frequency and photon energy, of electromagnetic radiation (such as light). The opposite change, a decrease in wavelength and increase in frequency and e ...

evolution of the CMB temperature and formation and evolution of IGM have been some of the areas of his research. His studies have been documented by way of a number of articles and

Google Scholar Google Scholar is a freely accessible web search engine that indexes the full text or metadata of Academic publishing, scholarly literature across an array of publishing formats and disciplines. Released in Beta release, beta in November 2004, th ...

, an online article repository of scientific articles, has listed 306 of them. The

Council of Scientific and Industrial Research The Council of Scientific and Industrial Research (CSIR; IAST: ''vaigyanik tathā audyogik anusandhāna pariṣada'') is a research and development (R&D) organisation in India to promote scientific, industrial and economic growth. Headquarter ...

, the apex agency of the Government of India for scientific research, awarded him the Shanti Swarup Bhatnagar Prize for Science and Technology, one of the highest Indian science awards, for his contributions to physical sciences in 2008.

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* {{DEFAULTSORT:Srianand, Raghunathan Recipients of the Shanti Swarup Bhatnagar Award in Physical Science Academic staff of Savitribai Phule Pune University 1969 births Living people Indian astrophysicists Indian cosmologists 21st-century Indian physicists

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