NRAO: National Radio Astronomy Observatory

About this Image

Supergiant stars such as Betelgeuse have very extended atmospheres, the properties of which are poorly understood.

Investigator(s):  Jeremy Lim, Chris L. Carilli, Stephen M. White, Anthony J. Beasley, Ralph G. Marson

Alternate Resolutions

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This image is available in the following downloadable versions:

• 565 x 576 color JPEG
• 900 x 917 color JPEG
• 1800 x 1833 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 Stars
• For unfamiliar terms, visit the NRAO Radio Astronomy Glossary

Technical Data

Telescope	VLA
Date of Observation	1996-12-21
Type of Observation	Continuum Observations
Center of Image	RA: 05:55:10.31, Dec: 07:24:25.40 (J2000)
Field of View	0.0001 x 0.0001 degrees
Technical Caption	We observed Betelgeuse for 11 hours on 21 December 1996 with the Very Large Array (VLA) in its highest-resolution (A) configuration. At a wavelength of 7 mm, the angular resolution achieved (40 mas) is sufficient to have resolved Betelgeuse's atmostphere.



Astronomical database entries for Betelgeuse
• Query SIMBAD for more Betelgeuse data

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