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IERS Message No. 221                                   December 21, 2012
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Journees 2013 - First Announcement


The Journees 2013 "Systemes de reference spatio-temporels", with the
sub-title: "Scientific developments from highly accurate space-time
reference systems", will be organized at Paris Observatory (France),
from 16 to 18 September 2013 (Monday to Wednesday).


Scientific Organizing Committee
-------------------------------

A. Brzezinski, Poland; N. Capitaine, France (Chair); V. Dehant, Belgium;
A.Escapa, Spain; C. Hohenkerk, UK; Cheng-Li Huang, China; I. Kumkova,
Russian Federation; D.D. McCarthy, USA; M. Soffel, Germany; J. Souchay,
France; J. Vondrak, Czech R.; Ya. Yatskiv, Ukraine


Local Organizing Committee
--------------------------

P. Baudoin, O. Becker, C. Bizouard, N. Capitaine, P. Delva, N. Dimarcq
(Chair), D. Gambis, S. Lambert, M. Pailler, D. Souami, F. Taris


Scientific objectives
---------------------

The main purpose of these series of international meetings is to provide
a forum for advanced discussions in the fields of space and time
reference systems, Earth rotation, solar system ephemerides, astrometry
and time.

The Journees 2013 will be focused on the issues related to the
theoretical and practical aspects of space-time reference systems, the
realization of the next ICRF, atomic and pulsar-based time-scales, Earth
rotation, numerical standards, ephemerides and dynamical models for the
solar system, etc.

There will be presentations and discussions related to the IAU Working
Groups, such as "Numerical Standards for Fundamental Astronomy" (NSFA),
"ICRS", "Redefinition of UTC", "Pulsar-based Timescales", etc.


Practical information and submission of abstracts
-------------------------------------------------

The web page of the Journees 2013 is available at
http://syrte.obspm.fr/jsr/journees2013/

It contains a general description of the Journees, the addresses for
contact, the rationale of the Journees 2013 and links to the list of the
previous Journees and the Proceedings of the Journees 2003 to 2011.

The Journees 2013 web page will be updated regularly in order to contain
the up-to-date information regarding the programme, participants and
practical information.

On-line registration and instructions for submitting an abstract will be
posted shortly.


Preliminary Scientific programme
--------------------------------

The programme will include sessions on:

- Theoretical aspects of reference systems

- The Next ICRF - Progress and developments

- Atomic and pulsar-based timescales - Progress and developments

- Earth Rotation - Theory, modelling and observations

- Solar System Dynamics - Theory, modelling and numerical standards

Oral and poster presentations proposals are encouraged on all these
topics.


Contact
-------

Nicole Capitaine
SYRTE, Observatoire de Paris,
61, avenue de l'Observatoire, 75014, Paris, France;
phone: 33 1 40 51 22 31; fax: 33 1 40 51 22 91;
e-mail: n.capitaine [at] obspm.fr

or: e-mail: loc.journees2013 [at] obspm.fr

(For any e-mail related to the Journees 2013, please use the subject
"Journees 2013")

Nicole Capitaine
on behalf of the SOC of the Journees 2013


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