Some important radio telescopes

Some important radio telescopes

Table
Some important radio telescopes
name diameter of dish
(metres) short wavelength
limit (cm) location
Filled-aperture telescopes
Arecibo Observatory 305 6 Arecibo, P.R.
Green Bank Telescope 110 x 100 0.3 Green Bank, W.Va., U.S.
Effelsberg Radio Telescope 100 1 Effelsberg, Ger.
Lovell Telescope 76 6 Jodrell Bank, Cheshire, Eng.
Parkes Observatory 64 1 Parkes, N.S.W., Austl.
IRAM Pico Veleta Observatory 30 0.1 Pico Veleta, Spain
Haystack Radio Telescope 37 0.3 Westford, Mass., U.S.
RATAN-600 576 1 Zelenchukskaya, Russia
Nobeyama Radio Observatory 45-m Telescope 45 0.1 Nobeyama, Japan
Caltech Submillimeter Observatory 10 0.05 Mauna Kea, Hawaii, U.S.
James Clerk Maxwell Telescope 15 0.04 Mauna Kea, Hawaii, U.S.
Heinrich Hertz Submillimeter Telescope 10 0.06 Mount Graham, Ariz., U.S.
name size of array (km) number of dishes diameter of dish (metres) short wavelength limit (cm) location
Arrays
Very Large Array 36 27 25 0.7 Socorro, N.M., U.S.
Westerbork Synthesis Radio Telescope 3.2 14 25 6 Westerbork, Neth.
Australia Telescope Compact Array 3 6 22 0.3 Narrabari, N.S.W., Austl.
Very Long Baseline Array 8,000 10 25 0.3 U.S. Virgin Islands to Hawaii
Combined Array for Research in Millimeter-wave Astronomy 2 16 6 x 10 m,
10 x 6 m 0.1 Big Pine, Calif., U.S.
Submillimeter Array 0.5 8 6 0.03 Mauna Kea, Hawaii, U.S.
Giant Metrewave Wavelength Telescope 25 30 45 21 Pune, India
Multi-Element Radio Linked Interferometer Network 217 7 1 x 76 m,
1 x 32 m,
1 x (32 x 25) m,
4 x 25 m 1.3 southern England
IRAM Plateau de Bure Interferometer 0.4 6 15 0.1 Plateau de Bure, France
Nobeyama Millimeter Array 0.6 6* 10 0.1 Nobeyama, Japan
*Sometimes the Nobeyama 45-metre filled-aperture telescope is used as a seventh dish of this array.
See as table:

* * *


Universalium. 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • radio telescope — Astron. a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus. [1925 30] * * * Combination of radio receiver and antenna, used for… …   Universalium

  • radio and radar astronomy — Study of celestial bodies by measuring the energy they emit or reflect at radio wavelengths. It began in 1931 with Karl Jansky s discovery of radio waves from an extraterrestrial source. After 1945, huge dish antennas, improved receivers and data …   Universalium

  • Radio astronomy — is a subfield of astronomy that studies celestial objects at radio frequencies. The field originated from the discovery that many astronomical objects emit radiation in the radio wavelengths as well as optical ones. The great advances in radio… …   Wikipedia

  • Radio art — refers to the use of radio for art. Radio Art implies that the artist who works in, and with, radio is not necessarily a trained DJ, programmer, producer, engineer, or personality, but one who uses sound to make art and seeks ways to transit it… …   Wikipedia

  • telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …   Universalium

  • Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

  • astronomy — /euh stron euh mee/, n. the science that deals with the material universe beyond the earth s atmosphere. [1175 1225; ME astronomie ( < AF) < L astronomia < Gk. See ASTRO , NOMY] * * * I Science dealing with the origin, evolution, composition,… …   Universalium

  • cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

  • galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …   Universalium

  • star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”