Somak Raychaudhury
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Somak Raychaudhury () is an Indian astrophysicist. He is the Vice-Chancellor at Ashoka University and was the Director of 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), Pune. He is on leave from
Presidency University, Kolkata Presidency University, formerly Presidency College, is a public state university located in College Street, Kolkata. Established in 1817 as the ''Hindoo College'', it was later renamed ''Presidency College'' in 1855 and functioned as a leadi ...
,
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
, where he is a Professor of Physics, and is also affiliated to the
University of Birmingham The University of Birmingham (informally Birmingham University) is a Public university, public research university in Birmingham, England. It received its royal charter in 1900 as a successor to Queen's College, Birmingham (founded in 1825 as ...
, United Kingdom. He is known for his work on stellar mass black holes and
supermassive black hole A supermassive black hole (SMBH or sometimes SBH) is the largest type of black hole, with its mass being on the order of hundreds of thousands, or millions to billions, of times the mass of the Sun (). Black holes are a class of astronomical ...
s. His significant contributions include those in the fields of
gravitational lensing A gravitational lens is matter, such as a galaxy cluster, cluster of galaxies or a point particle, that bends light from a distant source as it travels toward an observer. The amount of gravitational lensing is described by Albert Einstein's Ge ...
, galaxy dynamics and large-scale motions in the Universe, including the
Great Attractor The Great Attractor is a region of gravitational attraction in intergalactic space and the apparent central gravitational point of the Laniakea Supercluster of galaxies that includes the Milky Way galaxy, as well as about 100,000 other galaxi ...
.


Education

Somak Raychaudhury was born in Kolkata (then Calcutta), India. He attended
St Xavier's Collegiate School St. Xavier's Collegiate School (informally SXCS) is a private Catholic primary and secondary school for boys, located in Kolkata, West Bengal, India. The school was founded in 1860 by the Jesuits under the supervision of Fr. Henri Depelchin S.J. ...
, Kolkata, from which he ranked second in the
Madhyamik Madhyamik Pariksha or simply Madhyamik is a centralized examination conducted by the West Bengal Board of Secondary Education in West Bengal, India, at the end of the 10th year of school education. Similarly, one examination is also conducted at ...
examination of the West Bengal Board of Secondary Education, 1977. He then studied at St Xavier's College, Kolkata, from which he placed second in the state in the Higher Secondary Examination of the West Bengal Council of Higher Secondary Education. He attended
Presidency College, Calcutta Presidency University, formerly Presidency College, is a public state university located in College Street, Kolkata. Established in 1817 as the ''Hindoo College'', it was later renamed ''Presidency College'' in 1855 and functioned as a leadi ...
, where he completed his BSc degree in Physics in 1983. He then went to complete a BA degree in Physics at
Trinity College, Oxford Trinity College (full name: The College of the Holy and Undivided Trinity in the University of Oxford, of the foundation of Sir Thomas Pope (Knight)) is a Colleges of the University of Oxford, constituent college of the University of Oxford in E ...
,
University of Oxford The University of Oxford is a collegiate university, collegiate research university in Oxford, England. There is evidence of teaching as early as 1096, making it the oldest university in the English-speaking world and the List of oldest un ...
, supported by an Inlaks Scholarship from the Inlaks Shivdasani Foundation, where he won a Douglas Sladen Essay prize. He then proceeded to obtain a PhD in Astrophysics from the
University of Cambridge The University of Cambridge is a Public university, public collegiate university, collegiate research university in Cambridge, England. Founded in 1209, the University of Cambridge is the List of oldest universities in continuous operation, wo ...
, United Kingdom, as a member of
Churchill College, Cambridge Churchill College is a Colleges of the University of Cambridge, constituent college of the University of Cambridge in Cambridge, England. It has a primary focus on science, engineering and technology, but retains a strong interest in the arts ...
, in 1990, supported by an Isaac Newton Studentship. Here, he was a recipient of a
Smith's Prize Smith's Prize was the name of each of two prizes awarded annually to two research students in mathematics and theoretical physics at the University of Cambridge from 1769. Following the reorganization in 1998, they are now awarded under the names ...
(J.T. Knight Prize) in 1988. The subject of his doctoral thesis, supervised by
Donald Lynden-Bell Donald Lynden-Bell CBE FRS (5 April 1935 – 6 February 2018) was a British theoretical astrophysicist. He was the first to determine that galaxies contain supermassive black holes at their centres, and that such black holes power quasars. ...
, FRS, was "Gravity, Galaxies and the 'Great Attractor' Survey".


Career

Somak Raychaudhury became the fourth Director of 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), Pune India, in September 2015. He was Professor and Head of Physics at
Presidency University, Kolkata Presidency University, formerly Presidency College, is a public state university located in College Street, Kolkata. Established in 1817 as the ''Hindoo College'', it was later renamed ''Presidency College'' in 1855 and functioned as a leadi ...
, where he was also the Dean of the Faculty of Natural and Mathematical Sciences till August 2015. He remains affiliated to the Astrophysics and Space Research group, School of Physics and Astronomy, University of Birmingham, where he used to be the director of the Wast Hills Observatory for the period 2003–2012. Prior to this, he was a member of the faculty 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 ...
,
Pune Pune ( ; , ISO 15919, ISO: ), previously spelled in English as Poona (List of renamed Indian cities and states#Maharashtra, the official name until 1978), is a city in the state of Maharashtra in the Deccan Plateau, Deccan plateau in Western ...
, India. He was a staff member at the Center for Astrophysics Harvard & Smithsonian, in
Cambridge, Massachusetts Cambridge ( ) is a city in Middlesex County, Massachusetts, United States. It is a suburb in the Greater Boston metropolitan area, located directly across the Charles River from Boston. The city's population as of the 2020 United States census, ...
, working for the
Chandra X-ray Observatory The Chandra X-ray Observatory (CXO), previously known as the Advanced X-ray Astrophysics Facility (AXAF), is a Flagship-class space telescope launched aboard the during STS-93 by NASA on July 23, 1999. Chandra is sensitive to X-ray sources ...
. Before this, He was a Smithsonian postdoctoral fellow at the Center for Astrophysics Harvard & Smithsonian, and a tutor at
Lowell House Lowell House is one of twelve undergraduate Harvard House system, residential Houses at Harvard University, located at 10 Holyoke Place facing Mount Auburn Street between Harvard Yard and the Charles River. Officially, it is named for the Lowel ...
,
Harvard University Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...
. Following his PhD, he was a SERC Research Fellow at the Institute of Astronomy, at the University of Cambridge,
Cambridge Cambridge ( ) is a List of cities in the United Kingdom, city and non-metropolitan district in the county of Cambridgeshire, England. It is the county town of Cambridgeshire and is located on the River Cam, north of London. As of the 2021 Unit ...
, and a resident Junior Research fellow at St. Edmund's College, University of Cambridge. Raychaudhury's research interests lie in the study of the evolution of galaxies in groups and clusters, and on the
supercluster A supercluster is a large group of smaller galaxy clusters or galaxy groups; they are among the largest known structures in the universe. The Milky Way is part of the Local Group galaxy group (which contains more than 54 galaxies), which in tu ...
filaments of the cosmic web. He has used optical, X-ray, radio, infrared and ultraviolet observations to understand how the transformations of galaxies are related to their local and global environment. He is involved in developing machine learning algorithms for Astronomical
data mining Data mining is the process of extracting and finding patterns in massive data sets involving methods at the intersection of machine learning, statistics, and database systems. Data mining is an interdisciplinary subfield of computer science and ...
. He has published over 80 research papers in peer-reviewed scientific journals on these themes. In addition, he leads a substantial outreach programme involving school students, teachers and the general public. He was one of the key people to start the Indian Astronomy Olympiad, and selected and coached the Indian Olympiad team to top results at the
International Astronomy Olympiad Eurasian Astronomical Society (EAAS, ) is a scientific society, comprising professional astronomers from various countries. It was founded in 1990 as a USSR Astronomical Society. The governing bodies are located in Moscow at the Sternberg Astronom ...
in 1999 and 2000 . His outreach activities include numerous programmes on radio, television and collaboration with performing artists. He 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 ...
, a Fellow of the
Royal Astronomical Society The Royal Astronomical Society (RAS) is a learned society and charitable organisation, charity that encourages and promotes the study of astronomy, planetary science, solar-system science, geophysics and closely related branches of science. Its ...
, and a Fellow of the
European Astronomical Society The European Astronomical Society (EAS) is a learned society, founded under the Swiss Civil Code in 1990, as an association to contribute and promote the advancement of astronomy in Europe, and to deal with astronomical matters at a European lev ...
. He is a Life Member of the
Astronomical Society of India The Astronomical Society of India (ASI) is an Indian society of professional astronomers and other professionals from related disciplines. It was founded in 1972, with Vainu Bappu being the founder president of the society, and as of 2010 has a m ...
, and was an elected member of its Executive Council during 1998–2000.


Selected publications

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References


External links


Somak Raychaudhury's webpage at Presidency University, KolkataSomak Raychaudhury's homepage at the University of BirminghamSomak Raychaudhury's Publications listed
on the NASA
Astrophysics Data System The SAO/NASA Astrophysics Data System (ADS) is a digital library portal for researchers on astronomy and physics, operated for NASA by the Smithsonian Astrophysical Observatory. ADS maintains three bibliographic collections containing over 15 ...

Somak Raychaudhury at Google Scholar citationsSomak Raychaudhury: Author Search
on
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, the Computer Science bibliography website
Website
of
University of Birmingham The University of Birmingham (informally Birmingham University) is a Public university, public research university in Birmingham, England. It received its royal charter in 1900 as a successor to Queen's College, Birmingham (founded in 1825 as ...
, Wast Hills Observatory {{DEFAULTSORT:Raychaudhury, Somak Scientists from Kolkata Indian astrophysicists Living people University of Calcutta alumni Presidency University, Kolkata alumni Alumni of Trinity College, Oxford Alumni of Churchill College, Cambridge Academic staff of Presidency University, Kolkata Fellows of St Edmund's College, Cambridge 20th-century Indian physicists Fellows of the Royal Astronomical Society Academics of the University of Birmingham Year of birth missing (living people)