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...telescopes have only one receiver at the focus of the telescope, but radio-telescopes are now starting to be equipped with focal plane arrays, which are of three ...o wavelengths are large, the resulting feed arrays are amongst the largest radio-astronomy receivers ever built. Examples include the multi-beam arrays on t ...

...s with a radio interferometer, but it became widely used for long baseline radio interferometry only in 1974. A minimum of three antennas are required. This ...rding data at each of the telescopes in a VLBI array.gif|thumb|400px|Three radio telescope receivers.]] ...

{{Short description|Radio-astronomy observatory in Western Australia}} ...]], Australia's national science centre in 2009. It lies in a designated [[radio quiet zone]] located near [[Boolardy Station]] in the [[Murchison Shire]] o ...

...t and radio telescope located in a [[radio quiet zone]] at the [[Murchison Radio-astronomy Observatory]] in Western Australia. It is a collaboration between ...ize, sat on a {{convert|30|x|30|m|ft}} ground shield. It is coupled with a radio receiver, with a 100m cable run to a digital spectrometer.<ref name="MIT" / ...

{{Short description|Random fluctuations in radio waves of celestial origin}} ...ible spectrum|visible one]]. Interplanetary scintillation is the result of radio waves traveling through fluctuations in the density of the [[electron]] and ...

...erferometric]] array of 1024 6-[[meter]] (20[[Foot (unit)|ft]]) diameter [[radio telescope]]s, operating at 400-800[[megahertz|MHz]], that will be deployed {{Cite journal|author = L. Newburgh|title = HIRAX: A Probe of Dark Energy and Radio Transients ...

..., so named because they are smaller than the [[angular resolution]] of the telescopes. Some point sources detected by EGRET and ''Fermi'' were at the same locati ...d by the discovery of pulsations in the gamma-ray data or at [[radio waves|radio]] wavelengths.<ref name="Romani2012a">[[#Romani2012a|Romani (2012)]]</ref> ...

...Europe]] (the [[University of Manchester]], the [[Max Planck Institute for Radio Astronomy|Max-Planck-Institut für Radioastronomie Bonn]], the [[University ...s: 43&nbsp;[[GHz]] ([[Q band]]) and 95&nbsp;GHz ([[W band]]). It used four telescopes, three of which were purpose-built 2&nbsp;m types with the other being the ...

...us (constellation)|Taurus]]. It was discovered in 2007 with the [[National Radio Astronomy Observatory]]'s [[Robert C. Byrd Green Bank Telescope]] in a drif ...ef name="Antoniadis2013"/> This measurement was done with a combination of radio timing and precise [[Astronomical spectroscopy|spectroscopy]] of the white ...

...s. Additionally the [[Square Kilometer Array]] would significantly improve radio observations over the [[Arecibo Observatory]] and [[Green Bank Telescope]]. ...

...ferometric visibility|visibility]] function") of an astronomical object, a radio astronomer can thereby reconstruct the source's brightness distribution and ...em, Spatial Coherence, and Scattering. In: Interferometry and Synthesis in Radio Astronomy. Astronomy and Astrophysics Library |date=2017 |publisher=Springe ...

The '''Dark Ages Radio Explorer''' ('''DARE''') is a proposed [[NASA]] mission aimed at detecting ...g the first stars and black holes in the early Universe with the Dark Ages Radio Explorer (DARE) ...

...clouds in 1971 using [[millimeter wave]] and [[radio telescopes|microwave telescopes]].<ref name="Turner"/> Since then many higher weight cyanopolyynes such as ...r ranges of the [[electromagnetic spectrum]], usually in [[infrared]] or [[radio wave]]s.<ref>{{cite journal|last1=Arnau|first1=A.|last2=Tunon|first2=I.|las ...

...ge-scale structure of the universe]] by using the integrated [[radio waves|radio emission]] from unresolved gas clouds. ...ssion line is [[redshift]]ed by the expansion of the Universe, so by using radio receivers that cover a wide frequency band, one can detect this signal as a ...

...tenna]]s which work together as a single antenna, to transmit or receive [[radio wave]]s.<ref name="Carr">{{cite book ...ted in other directions. Similarly, when used for receiving, the separate radio frequency currents from the individual antennas combine in the receiver wit ...

...pulsar timing array program’ to observe three pulsars using the [[National Radio Astronomy Observatory]] 43 m telescope. ...pta/ Parkes Pulsar Timing Array] (PPTA) at the [[Parkes Observatory|Parkes radio-telescope]] has been collecting data since 2005. ...

PSR J0952–0607 was discovered by the [[Low-Frequency Array (LOFAR)]] [[radio telescope]] during a search for pulsars in 2016.<ref name="NASA2017"/> It i ...her LOFAR observations took place from January to February 2017, alongside radio observations by the [[Green Bank Telescope]] in [[Green Bank, West Virginia ...

| 2012 || 2012 || 2480 (1240)<!--Expanded to 5 telescopes for 2012--> ...lse tube cryocooler|pulse tube cooler]] to 4 K, and a [[focal-plane array (radio astronomy)|focal-plane array]] of 512 [[transition edge sensor]]s cooled to ...

...y,<ref name="James"/> it is used to synchronize the outputs of an array of telescopes. ...

...spectrum lacked any emission or absorption lines. Later it was shown to be radio-quiet as well. In 1970 [[Hyron Spinrad]] suggested that Maffei 1 is a nearb ...region of the galaxy.<ref name=Buta2003/> Later infrared observations from telescopes on the ground also found a population of bright globular cluster candidates ...