Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/7213
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dc.contributor.authorSagar, R-
dc.date.accessioned2017-11-23T09:18:30Z-
dc.date.available2017-11-23T09:18:30Z-
dc.date.issued2017-03-
dc.identifier.citationProceedings of the National Academy of Sciences, India Section A: Physical Sciences, Vol. 87, No. 1, pp. 1-10en_US
dc.identifier.issn2250-1762-
dc.identifier.urihttp://hdl.handle.net/2248/7213-
dc.descriptionRestricted Accessen_US
dc.descriptionThe original publication is available at springerlink.com-
dc.description.abstractA review of modernization and growth of ground based optical and near-infrared astrophysical observational facilities in the globe attributed to the recent technological developments in opto-mechanical, electronics and computer science areas is presented. Hubble Space Telescope and speckle and adaptive ground based imaging have obtained images better than 0.1 arc sec angular resolution bringing the celestial objects closer to us at least by a factor of 10 during the last two decades. From the light gathering point of view, building of large size (>5 m aperture) ground based optical and near-infrared telescopes based on latest technology have become economical in recent years. Consequently, in the world, a few 8–10 m size ground-based optical and near-infrared telescopes are being used for observations of the celestial objects, three 25–40 m size are under design stage and making of a ~100 m size telescope is under planning stage. In India, the largest sized optical and near-infrared telescope is the modern 3.6-m located at Devasthal, Nainital. However, the existing Indian moderate size telescopes equipped with modern backend instruments have global importance due to their geographical location. Recently, the Government of India approved India’s participation in the thirty meter telescope project.en_US
dc.language.isoenen_US
dc.publisherSpringer Indiaen_US
dc.relation.urihttps://doi.org/10.1007/s40010-016-0287-8-
dc.rights© The National Academy of Sciences, India-
dc.subjectOptical and near-infrared telescopesen_US
dc.subjectMulti-wavelength astronomyen_US
dc.subjectObservational astronomyen_US
dc.subjectTechnological developmentsen_US
dc.titleA Global Prospective of the Indian Optical and Near-Infrared Observational Facilities in the Field of Astronomy and Astrophysics: A Reviewen_US
dc.typeArticleen_US
Appears in Collections:IIAP Publications

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