% TEX version of NRAO Radio CD-ROM image submission form 
% Version 91/3/28    J. J. Condon

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\centerline{\bf NRAO CD-ROM IMAGE SUBMISSION FORM}

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\noindent Image Donor(s): E. B. Fomalont, K. A. Ebneter, W. J. M. van Breugel,
R. D. Ekers

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\noindent Contact donor: E. B. Fomalont

Mailing address: NRAO, 520 Edgemont Road, Charlottesville, VA 22903

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Telephone: 804 296-0232

E-mail address: efomalon@nrao.edu

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\noindent Source or Image Name: Fornax A

\noindent Alternate Names: NGC 1316

\noindent Description of Observation: (e.g., date of observation,
telescope(s) used, frequencies, polarization type, resolution, 
deconvolution method) 

VLA 1.5 GHz continuum, 14 arcsec resolution

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\noindent Description of Image: (e.g., type of source, scientific reason
for observing, notable source features)

The total-intensity image FORNAXI and the linearly polarized intensity
image FORNAXP (both with 14 arcsec resolution) cover the radio source
Fornax A (NGC 1316) at 1.51 GHz.  

FORNAXI: The maximum is 120 mJy
beam$^{-1}$ at the core, and the faintest features are about 1.0 mJy
beam$^{-1}$.  The rms noise in the center of each lobe is 0.15 mJy
beam$^{-1}$.  The core is slightly extended, and the lobes contain a
wealth of detail.  Other point sources are unrelated background sources,
and the goat-head shape of the bright source, upper right, is caused by
an instrumental artifact which occurs only at the edge of the image.

FORNAXP: The linearly polarized intensity in the western lobe is 40 
mJy beam$^{-1}$, and the faintest features are about 0.5 mJy
beam$^{-1}$.  The rms noise at the center of each lobe is 0.09 mJy
beam$^{-1}$.  The overall shape of the polarized emission is similar
to that of the total intensity.  However, there are several regions
of low polarization of various shapes not associated with total-intensity
features.  One is caused by Faraday depolarization through the
foreground Sc galaxy NGC 1310 (Schulman and Fomalont 1992).

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\noindent Publication Reference(s): 

Fomalont, E. B.,  Ebneter, K. A., van Breugel, W. J. M., and Ekers, R. D.
1989, ApJL, 346, L17

Schulman, E., and Fomalont, E. B. 1992, AJ, 103, 1138

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\noindent Permission is granted to NRAO/AUI to use, distribute, sell, reproduce
or authorize others to use, distribute, sell or reproduce the
images listed above without reservation or restriction.  The donor
whose signature appears below agrees to inform all co-authors of this
release.

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\noindent Signed:

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\noindent Date: 4/15/92

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