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FIRST ANNOUNCEMENT

The Third Workshop on Compact Steep Spectrum and GHz-Peaked Spectrum Radio Sources
Kerastari, Greece May 28-31, 2002

Scientific Organizing Committee

Geoff Bicknell, Wim De Vries, Carla Fanti, Roberto Fanti, Anton Koekemoer,
Chris O'Dea (chair), Richard Schilizzi, Ignas Snellen, Tasso Tzioumis

Scientific Rationale

Recent work has identified the GHz Peaked Spectrum (GPS) and Compact Steep Spectrum
(CSS) radio sources as the most likely candidates for the progenitors of the
large scale radio sources. The GPS and CSS sources are powerful but compact radio
sources whose spectra are generally simple and convex with peaks near 1 GHz and
100 MHz respectively. The GPS sources are entirely contained within the extent
of the narrow line region (< 1 kpc) while the CSS sources are contained
entirely within the host galaxy (< 15 kpc).

Current models for the evolution of powerful radio galaxies suggest that these
sources propagate from the 10 pc to Mpc scales at roughly constant velocity through
an ambient medium which declines in density while the sources decline in radio
luminosity. The observed number densities of powerful radio sources as a function
of linear size (from tens of parsecs to hundreds of kpc) are consistent with such
a scenario. Thus, the GPS and CSS sources provide (1) probes of the ISM of
the host galaxy and (2) constraints on the physics of radio galaxy evolution.

Rapid progress has been made in our understanding of GPS and CSS sources though
the combination of high resolution radio and optical imaging as well as IR
and X-ray observations. This workshop will bring together observers from across
the spectrum with theorists for an informal and stimulating exchange of ideas and
results.


List of Topics

radio properties
host galaxies
X-rays
Infrared Emission
the environments - RM, HI, emission line gas
the turn-over: synchrotron vs free-free
proper motions
constraints on evolution
new samples
polarimetry
high frequency peakers
spectral ages
theoretical modeling
variability

Local Organizing Committee

Antonis Polatidis, John Seiradakis, Tasso Tzioumis (chair)

Location

This workshop is the third in a series following the 1990 meeting in Dwingeloo
and the 1996 meeting in Leiden. However, here we break with tradition by holding
the workshop outside of The Netherlands.

The workshop will be held in the Greek village of Kerastari, the birthplace of
the LOC chair, Tasso Tzioumis. It is a tiny picturesque village, nestled in the
mountains of ancient Arcadia near the town of Tripolis, in the Peloponese, the
southern most part of Greece.

The venue is the village hall which can accommodate a limited number of
people. Workshop participation will be limited to about 50-60 persons.

Participation

Following the tradition of the previous workshops, participation will be by
invitation only to researchers actively involved in this field. On behalf of the
Scientific Organizing Committee, I would like to invite you to participate
in the Workshop.

If you feel that there are other researchers in this area that we may have
missed, please let us know asap.

How to Pre-Register

Full registration, abstract submission and hotel bookings will be made in
early March 2002. However, we do need to have a good estimate of likely
attendance to allow us to book hotels and other facilities. Please, fill in the
pre-registration form attached below (also available via the www) and email to
gpscss3@atnf.csiro.au.

Contact info

Much more detailed information is available on the www on
web page: http://www.atnf.csiro.au/people/atzioumi/gps_css/

For pre-registration or any queries please email: gpscss3@atnf.csiro.au

Fax: +61 2 9372 4350

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PRE-REGISTRATION FORM
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The Third Workshop on
Compact Steep Spectrum and GHz-Peaked Spectrum Radio Sources
============================================================

Kerastari, Greece May 28-31, 2002
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** Please consult http://www.atnf.csiro.au/people/atzioumi/gps_css
for details of the workshop organization.


Name: ..........................................

Affiliation: ....................................

Address: ........................................

Email: ..........................................


ATTENDANCE: Please select one of the following:
* Definitely will attend ..........
* Likely to attend ................
* Possible but uncertain ...........
* Unlikely but keep me informed ....
* Not attending and remove from list


PRESENTATION: Do you intend to make a presentation? Please select:
* Oral presentation ................
* Poster presentation ..............
* No presentation ..................

* Provisional Topic of presentation: ..................
.....................................................

PROCEEDINGS: Do you have a preference for the type of publication?
(see web page for details). Select:
* In-house hardcopy ...............
* Electronic-only refereed journal (PASA) ....
* Hardcopy journal (ASP) ...........


POST-CONFERENCE EXCURSION(S): (see web)
Are you interested in an organized 1-day bus excursion?
If so, do you have a preference? Select:
* Olympia .........................
* Mycenae/Epidaurus ................
* Sparta/Mystras ..................
* Other (specify): .....................................


COMMENTS: Please send us any other comments you have about the workshop.
........................................................




RETURN the completed form via email to: gpscss3@atnf.csiro.au (preferred)
or fax to: +61 2 9372 4310

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