Giant Metrewave Radio Telescope
The Giant Metrewave Radio Telescope (GMRT), located near Narayangaon, Pune in India, is an array of thirty fully steerable parabolic radio telescopes of 45 metre diameter, observing at metre wavelengths. It is the largest and most sensitive radio telescope array in the world at low frequencies. It is operated by the National Centre for Radio Astrophysics (NCRA), a part of the Tata Institute of Fundamental Research, Mumbai. It was conceived and built under the direction of Govind Swarup during 1984 to 1996. It is an interferometric array with baselines of up to 25 kilometres (16 mi). It was recently upgraded with new receivers, after which it is also known as the upgraded Giant Metrewave Radio Telescope (uGMRT).
| Alternative names | GMRT |
|---|---|
| Location(s) | Narayangaon, Pune district, Pune division, Maharashtra, India |
| Coordinates | 19°05′47″N 74°02′59″E |
| Organization | National Centre for Radio Astrophysics |
| Wavelength | 50, 1,500 MHz (6.00, 0.20 m) |
| First light | 1995 |
| Telescope style | radio interferometer |
| Number of telescopes | 30 |
| Diameter | 45 m (147 ft 8 in) |
| Collecting area | 47,713 m2 (513,580 sq ft) |
| Website | www |
Location of Giant Metrewave Radio Telescope | |
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