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单词 ASTROSAT
释义
ASTROSAT

Astronomy
  • An Indian satellite for X-ray and ultraviolet astronomy, launched in 2015 September. It carries an Ultraviolet Imaging Telescope (UVIT) with two 0.38-m mirrors for imaging at far ultraviolet (130–180 nm), near ultraviolet (180–300 nm), and optical wavelengths; three Large-Area Xenon Proportional Counters (LAXPC) for timing and low-resolution spectrometry at X-ray energies 3–80 keV; a coded-mask camera with Cadmium-Zinc-Telluride detector array (CZTI) for higher spectral resolution in the range 10–150 keV; a Soft X-ray Imaging Telescope (SXT) for energies 0.3–8 keV; and a Scanning X-ray Sky Monitor (SSM) for monitoring X-ray transients and other variable sources at 2–10 keV.

    http://astrosat.iucaa.in/ Official mission website.


Space Exploration
  • India’s first multi-wavelength astronomy satellite. Launched on 28 September 2015 by a Polar Satellite Launch Vehicle from Satish Dhawan Space Centre, and placed in Earth orbit 650 km above the Earth’s surface. Seen as a smaller version of the Hubble Space Telescope, ASTROSAT will take spectra and measure brightness variations of galactic and extra-galactic sources at optical, ultraviolet, and X-ray wavelengths simultaneously.


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