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Radio Sources

List of Radio Sources

Source

Type 

Season to Observe with

PARI 4.6-m Radio Telescope

RA 

Dec 

Orion.jpg Orion Nebula

 Molecular Cloud

 Fall/Winter/Spring

 5h 35m

 -5d 23m

Crab.jpg Crab Nebula

 Supernova Remnant

Fall/Winter/Spring

 5h 34m

 +22d 00m

W3.jpg W3

 Molecular Cloud

 Fall/Winter/Spring

 2h 27m

 +61d 52m

 CasA.jpg Cassiopea A

 Supernova Remnant

 Spring/Summer/Fall

 23h 23m

 +58d 49m

 CygA.jpg Cygnus A

 Radio Galaxy

 Spring/Summer/Fall

 19h 59m

 +40d 44m

 HerA.jpg Hercules A

 Radio Galaxy

 Spring/Summer/Fall

 16h 51m

 +4d 49m

 SgrA.jpg Sgr A

 Center of Milky Way

 Summer

 17h 45m

 -28d 43m

 VirA.jpg Virgo A

 Giant Elliptical Galaxy

 Spring/Summer/Fall

 12h 30m

 +12d 23m


The image below is a map of the entire sky at the radio wavelength of 21-cm (or 1420 MHz radio frequency).  The data is from the 21-cm maps presented by Dickey and Lockman in the Annual Review of Astronomy and Astrophyscs, 1990, Vol. 28, p215. The brightest radio sources are marked.  These are the sources that are easily detected with the SGRA 4.6-m radio telescope.  Click on a radio source to learn more about it.

If you are interested in other objects not shown here, we recommend going to the NASA service called SKYVIEW which accesses catalogs of astronomical sources across the electromagnetic spectrum.


nhmap.jpg Crab NebulaOrion NebulaW3Cassiopea ACygnus AHercules AGalactic CenterVirgo A

 

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