NRAO: National Radio Astronomy Observatory

About this Image

MOJAVE (Monitoring of Jets in AGN with VLBA Experiments) is a program to regularly image the changing structures of the brightest 133 active galactic nuclei (AGN) in the northern sky with the VLBA. The smallest details in this montage have angular scales of just under 1 milliarcsecond (several hundred times finer resolution than the Hubble space telescope). The false-color scheme corresponds to radio brightness at a wavelength of 2 cm, with yellow being the strongest, and blue being the weakest. Each image shows the synchrotron emission from a relativistic, jetted outflow that is launched in the vicinity of a supermassive black hole. The jets in the MOJAVE sample are located at distances ranging from 50 million to 5 billion light years, and are among the most powerful known phenomena in the Universe. The name of each object is given at the top left corner of each panel, and the date of the observation is given in the lower right-hand corner.

Investigator(s):  Matthew Lister

Alternate Resolutions

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This image is available in the following downloadable versions:

• 700 x 467 color JPEG
• 1500 x 1000 color JPEG
• 3000 x 2000 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
• Visit related website http://www.physics.purdue.edu/astro/MOJAVE/
• Up one level for more info on Quasars
• For unfamiliar terms, visit the NRAO Radio Astronomy Glossary

Technical Data

Telescope	VLBA
Type of Observation	Continuum Observations
Band	U
Wavelength	2.0 cm
Frequency	15 GHz
Center of Image	RA: 01:01:1.00, Dec: 01:01:1.00 (J2000)
Technical Caption	The MOJAVE sample consists of all AGN with J2000 declination > -20 deg., galactic latitude |b| > 2.5 deg. and 2 cm correlated VLBA flux > 1.5 Jy (or 2 Jy, for sources with dec < 0 deg.) at any epoch between 1994-2003. The 2 cm total intensity images shown here were obtained using all 10 antennas of the VLBA in continuum, full polarization mode with 32 MHz total bandwidth. The ticks on each panel are drawn at intervals of 1 milliarcsecond. The total integration time on each source was approximately 60 minutes, spread out in several scans over a wide range of hour angle. Each panel is labelled with the B1950 name of the radio source and the observation epoch. For further details on the observations see Lister M. L., and Homan, D.C., 2005, AJ, (in press).



Astronomical database entries for MOJAVE Poster
• Query NED for images of MOJAVE Poster
• Query SIMBAD for more MOJAVE Poster data

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