NRAO: National Radio Astronomy Observatory

About this Image

This is a VLA 20 cm continuum image showing the central ~60 pc of the Galactic Center with the most prominent extended radio features shown: the linear, magnetic filaments in the Radio Arc, Northern and Southern Threads and G359.8+0.2, and the thermal Arched Filaments HII regions. The position of the extraordinary stellar cluster, the Arches cluster, is also noted and is thought to be responsible for the ionization of the Arched Filaments HII regions.

Investigator(s):  Cornelia Lang, Mark Morris, Luis Echvarria

Alternate Resolutions

Help

This image is available in the following downloadable versions:

• 561 x 463 color JPEG
• 877 x 723 color JPEG
• 1745 x 1445 color TIFF

If you would like to obtain a higher resolution version of this image, please contact Pat Smiley.

For More Information

• Read the Journal article
• Up one level for more info on Galactic_Center
• For unfamiliar terms, visit the NRAO Radio Astronomy Glossary

Technical Data

Telescope	VLA
Date of Observation	1986-00-00
Type of Observation	Continuum Observations
Band	L
Wavelength	20 cm
Frequency	1.4 GHz
Center of Image	RA: 17:44:40.50, Dec: -28:51:14.00 (J2000)
Field of View	0.5000 x 0.4167 degrees
Technical Caption	VLA DnC, CnB, BnA from Morris and Yusef Zadeh (1985-1987), supplemented with additional CnB data from 1989 reprocessed together, re-imaged using imagr in 1986. FOV: 25' x 30' or ~60 x 75 pc at the Galactic Center distance (8.0 kpc)



Astronomical database entries for Sgr A
• Query SIMBAD for more Sgr A data

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