National Large Solar Telescope

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National Large Solar Telescope
AltitudeP2044
WavelengthP3738–P3737
DiameterP2386
Secondary diameterP2386
Tertiary diameterP2386
Illuminated diameterP2386
LengthP2043
WidthP2049
MassP2067
Collecting areaP2046
Illuminated areaP2046
Focal lengthP2151

The National Large Solar Telescope (NLST) is a Gregorian multi-purpose open telescope[1] proposed to be built in Merak village in Ladakh in India and aims to study the sun's microscopic structure.[2]

The Indian Institute of Astrophysics is the nodal agency charged with various scientific bodies like the Indian Space Research Organisation (ISRO), Aryabhatta Research Institute of Observational-Sciences, Tata Institute of Fundamental Research (TIFR) and Inter-University Centre for Astronomy and Astrophysics (IUCAA) also participating.[3]

Location[edit]

The proposed site for the location of the telescope is Merak Village in Ladakh, India. The village is near Pangong Lake.[3]

Telescope[edit]

NLST is proposed to be on-axis alt-azimuth Gregorian multi-purpose open telescope with the provision of carrying out night time stellar observations using a spectrograph.[1] It hopes to resolve features on the Sun of the size of about 0.1 arcsec. The focal plane instruments are to include a high resolution polarimeteric package to measure polarization with an accuracy of 0.01 per cent; a high spectral resolution spectrograph to obtain spectra in 5 widely separated absorption lines simultaneously and high spatial resolution narrow band imagers in various lines.[4]

See also[edit]

References[edit]

  1. 1.0 1.1 Hasan, S. S. The Indian National Large Solar Telescope Solar and Stellar Variability: Impact on Earth and Planets, Proceedings of the International Astronomical Union, IAU Symposium, Volume 264, p. 499-504
  2. "India To Build World's Largest Solar Telescope". Spacedaily.com. Archived from the original on 5 September 2010. Retrieved 23 December 2010.
  3. 3.0 3.1 IANS (2 September 2010). "India to build world's largest solar telescope | Deccan Chronicle | 2010-09-02". Deccan Chronicle. Retrieved 23 December 2010.
  4. Singh, J. Proposed National Solar Telescope Journal of Astrophysics & Astronomy, Vol. 29, No. 1 - 2, pp. 345 - 351

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