Proposal code
v099
Proposal title
Spectral Imaging of 4C39.25 and 4C73.18
The |
Investigators and their |
Affiliations |
| P.I. |
A.P.~Lobanov |
NRAO, USA |
Proposal Abstract
We propose to obtain high-dynamic range images of 4C39.25 and 4C73.18
at 1.6 and 5 GHz for the purpose of mapping the turnover frequency
distribution in these sources. The matching data at 8.4, 15, and
22 GHz will be obtained from supporting ground-based observations
with the VLBA. The turnover frequency maps will be used for measuring
and studying fine spectral variations along and across the jet. In
these maps, we expect to be able to localize the regions of shocked
emission, and search for possible presence of a thermal plasma
surrounding a relativistic channel in the jet. Such data will provide
useful constraints for the models applied to these sources.
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Note that many proposals were reduced in extent by the Scientific Review Committee
(e.g. by reducing the number of experiments), however the Cover Sheets contain
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Also note that AO1 proposals were submitted in November 1995, and information such
as affiliations and contact details has changed for some proposers since that time.
The Cover Sheets (and the details on this page, which were derived from the Cover Sheets)
may therefore have changed.