Proposal code
v085
Proposal title
A morphological and spectral study of GPS galaxies and quasars.
The |
Investigators and their |
Affiliations |
| P.I. |
Schilizzi R.T. |
J.I.V.E., The Netherlands |
| |
de Bruyn A.G. |
N.F.R.A., The Netherlands |
| |
Snellen I.A.G. |
Leiden, The Netherlands |
| |
Miley G.K. |
Leiden, The Netherlands |
| |
Röttgering H.J.A. |
Leiden, The Netherlands |
| |
van Langevelde H.J. |
J.I.V.E., The Netherlands |
| |
C. Fanti |
I.R.A., Bologna, Italy |
| |
R. Fanti |
I.R.A., Bologna, Italy |
Proposal Abstract
Gigahertz Peaked Spectrum (GPS) sources are a very luminous class of
compact radio
sources. At low resolution many show a compact double morphology.
Only recently, it has been
shown that some of the larger GPS sources peaking at low frequencies have a
weak flat spectrum component situated in between the two dominant mini-lobes.
We propose VSOP observations at 1.6 and 5 GHz (below and at the spectral peak)
of a sample of 11 GPS sources peaking at about 5 GHz in frequency. The data
will be combined with groundbased, matched-beam, images at 5 and 15 GHz in
order to: (i) make a morphological classification, (ii) locate the core, if
any (iii) determine spectra of optically thin and thick components (iv)
derive the magnetic field strength and compare its value with the
equipartition strength and (v) address the issue of GPS-galaxy /
GPS-quasar unification. We propose this investigation as a Key Project
in AGN.
The full Cover Sheets (compressed post-script, typically 50kbytes)
can be retrieved.
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
the full proposal as submitted.
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.