An astronomical radio source is an object in outer space that emits strong radio waves. Radio emission comes from a wide variety of sources. Such objects...
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A radio telescope is a specialized antenna and radio receiver used to detect radio waves from astronomical radio sources in the sky. Radio telescopes are...
24 KB (2,639 words) - 21:59, 28 June 2025
"Models of extragalactic radio sources with a continuous energy supply from a central object". Monthly Notices of the Royal Astronomical Society. 166 (3): 513–528...
26 KB (3,412 words) - 01:53, 15 July 2025
Radio source may refer to: An astronomical radio source A radio transmitter The Radio Open Source podcast and blog Radio noise source, a device that emits...
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The Third Cambridge Catalogue of Radio Sources (3C) is an astronomical catalogue of celestial radio sources detected originally at 159 MHz, and subsequently...
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SHGb02+14a (redirect from Radio source SHGb02 plus 14a)
SHGb02+14a is an astronomical radio source and a candidate in the Search for Extra-Terrestrial Intelligence (SETI), discovered in March 2003 by SETI@home...
4 KB (507 words) - 20:05, 13 October 2023
Milky Way in the 1930s, physicists speculated that radio waves could be observed from astronomical sources. In the 1860s, James Clerk Maxwell's equations...
37 KB (3,862 words) - 10:57, 19 July 2025
Parkes Catalogue of Radio Sources, also known as the Parkes Southern Radio Source Catalog, consists of 8264 astronomical radio sources, mostly south of declination...
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Sagittarius A* (category Astronomical radio sources)
and Lambda Scorpii. Sagittarius A* is a bright and very compact astronomical radio source. In May 2022, astronomers released the first image of the accretion...
75 KB (7,882 words) - 02:22, 5 July 2025
Astrophysical maser (redirect from Astronomical maser)
masers are known to exist in these conditions. Astronomical masers remain an active field of research in radio astronomy and laboratory astrophysics due,...
31 KB (3,815 words) - 16:31, 5 July 2025
The 6C Survey of Radio Sources (6C) is an astronomical catalogue of celestial radio sources as measured at 151-MHz. It was published between 1985 and 1993...
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Hercules A (category Radio galaxies)
a bright astronomical radio source in the constellation Hercules corresponding to the galaxy 3C 348. During a survey of bright radio sources in the mid-20th...
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Thomson, JH (1955). "A survey of radio sources between declinations −38° and +83°". Memoirs of the Royal Astronomical Society. 67: 106. Bibcode:1955MmRAS...
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The 5C Survey of Radio Sources (5C) is an astronomical catalogue of celestial radio sources as measured at 408 MHz and 1407 MHz. It was published in a...
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temperatures. Radio portal Astronomical radio source Atmospheric noise Cosmic noise Electromagnetic interference Jupiter radio source Johnson–Nyquist...
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Astrophysical X-ray sources are astronomical objects with physical properties which result in the emission of X-rays. Several types of astrophysical objects...
77 KB (8,346 words) - 05:47, 12 June 2025
Axis of evil (cosmology) (category Astronomical radio sources)
"CMB anisotropy science: A review". Proceedings of the International Astronomical Union. 8: 42–52. arXiv:1210.6008. Bibcode:2013IAUS..288...42C. doi:10...
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Sagittarius A (category Astronomical radio sources)
Sagittarius A (Sgr A) is a complex radio source at the center of the Milky Way, which contains a supermassive black hole. It is located between Scorpius...
18 KB (1,900 words) - 23:56, 10 June 2025
Very-long-baseline interferometry (category Astronomical imaging)
interferometry (VLBI) is a type of astronomical interferometry used in radio astronomy. In VLBI a signal from an astronomical radio source, such as a quasar, is collected...
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Porphyrion is a Fanaroff–Riley class II radio galaxy located 7.5 billion light years away from Earth, with host galaxy J152932.16+601534.4. It is located...
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Natural sources of radio waves include radio noise produced by lightning and other natural processes in the Earth's atmosphere, and astronomical radio sources...
38 KB (4,084 words) - 03:02, 17 July 2025
GLEAM-X J162759.5−523504.3 (category Radio astronomy)
transient astronomical radio source, found in 2020, in archival data recorded in 2018 by the Murchison Widefield Array. The source was active in radio for about...
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Alcyoneus (galaxy) (redirect from Alcyoneus (radio galaxy))
generating giant radio sources. It is currently unknown how Alcyoneus's radio emissions grew so large. One explanation proposes that the radio galaxy's cosmic...
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Phoenix Cluster (category Astronomical radio sources)
42 member galaxies were identified and currently listed in the SIMBAD Astronomical Database, though the real number may be as high as 1,000 galaxies. The...
17 KB (1,730 words) - 13:52, 1 August 2025
"SUMSS: a wide-field radio imaging survey of the southern sky - II. The source catalogue". Monthly Notices of the Royal Astronomical Society. 342 (4): 1117–1130...
17 KB (2,002 words) - 21:38, 18 May 2025
ASKAP J173608.2–321635 (category Astronomical radio sources)
ASKAP J173608.2–321635 is an unidentified astronomical radio source that sends "radio signals ... from the direction of the Centre galaxy". It is nicknamed...
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History of the telescope (category Articles with Russian-language sources (ru))
era of radio telescopes (along with radio astronomy) was born with Karl Guthe Jansky's serendipitous discovery of an astronomical radio source in 1931...
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receive and study the radio waves from astronomical radio sources. Since astronomical radio sources are so far away, the radio waves from them are extremely...
162 KB (16,211 words) - 14:39, 18 July 2025
Jansky (category Radio astronomy)
electromagnetic energy, especially in the context of radio astronomy. The brightest astronomical radio sources have flux densities of the order of 1–100 janskys...
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The Hat Creek Radio Observatory (HCRO) is operated by the SETI Institute in the Western United States. The observatory is home to the Allen Telescope...
4 KB (372 words) - 04:52, 31 July 2025