radio sources

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• Third Cambridge Catalogue of Radio Sources — Infobox Astronomical survey name = 3C caption = organization = Radio Astronomy Group, University of Cambridge alt names = wavelength = 159 MHz radio source = Mullard Radio Astronomy Observatory goals = First detailed survey of radio sources… …   Wikipedia

• Sixth Cambridge Survey of radio sources — Infobox Astronomical survey name = 6C caption = organization = Radio Astronomy Group, University of Cambridge alt names = wavelength = 151 MHz radio source = CLFST, Mullard Radio Astronomy Observatory goals = Deep survey of radio sources products …   Wikipedia

• Fifth Cambridge Survey of Radio Sources — Infobox Astronomical survey name = 5C caption = organization = Radio Astronomy Group, University of Cambridge alt names = wavelength = 408 MHz and 1407 MHz radio source = One Mile Telescope, Mullard Radio Astronomy Observatory goals = Deep survey …   Wikipedia

• Second Cambridge Catalogue of Radio Sources — Infobox Astronomical survey name = 2C caption = organization = Radio Astronomy Group, University of Cambridge alt names = wavelength = 81.5 MHz radio source = Cambridge Interferometer goals = products = 2C Catalogue website = The Second Cambridge …   Wikipedia

• First Cambridge Catalogue of Radio Sources — Infobox Astronomical survey name = 1C caption = organization = Radio Astronomy Group, University of Cambridge alt names = wavelength = 3.7 m radio source = goals = products = 1C Catalogue in journal (MNRAS) website = The First Cambridge Catalogue …   Wikipedia

• Molonglo Reference Catalogue of Radio Sources — (MRC) is an astronomical catalog containing 12 141 discrete sources from a 408 MHz survey with the Molonglo Radio Telescope.[1] References ^ ADC/CDS Standard Document for Catalog . Astronomical Data Center …   Wikipedia

• Radio galaxy — Radio galaxies and their relatives, radio loud quasars and blazars, are types of active galaxy that are very luminous at radio wavelengths (up to 1038 W between 10 MHz and 100 GHz). The radio emission is due to the synchrotron process. The… …   Wikipedia

• 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 navigation — or radionavigation is the application of radio frequencies to determining a position on the Earth. Like radiolocation, it is a type of radiodetermination.RDF / ADF / NDBThe first system of radio navigation was the Radio Direction Finder, or RDF.… …   Wikipedia

• radio source — Astron. a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves. [1945 50] * * * ▪ astronomy       in astronomy, any of various objects in the universe that emit …   Universalium

• Radio clock — A radio clock is a clock that is synchronized by a time code bit stream transmitted by a radio transmitter connected to a time standard such as an atomic clock. Such a clock may be synchronized to the time sent by a single transmitter, such as… …   Wikipedia