IERS ICRS Centre
The IERS ICRS Center is responsible for the maintenance of the International Celestial Reference System (ICRS) and the International Celestial Reference Frame (ICRF).
Web site:
Main products:
Primary Scientist:
Ralph A. Gaume 
Jean Souchay
Jean Souchay
Current representative to the IERS Directing Board:
Ralph A. Gaume
Contacts:
IERS ICRS Centre
Jean Souchay
Observatoire de Paris
61, Avenue de l`Observatoire 75014 Paris
France
phone: ++33-1-4051-2322
fax: ++33-1-4051-2291
e-mail:
IERS ICRS Centre
Ralph A. Gaume
U.S. Naval Observatory (USNO)
Earth Orientation Department
3450 Massachusetts Avenue, NW
Washington, DC 20392-5420
USA
phone: ++1-202-762-1519
fax: ++1-202-72-1514
e-mail:
Jean Souchay
Observatoire de Paris
61, Avenue de l`Observatoire 75014 Paris
France
phone: ++33-1-4051-2322
fax: ++33-1-4051-2291
e-mail:
IERS ICRS Centre
Ralph A. Gaume
U.S. Naval Observatory (USNO)
Earth Orientation Department
3450 Massachusetts Avenue, NW
Washington, DC 20392-5420
USA
phone: ++1-202-762-1519
fax: ++1-202-72-1514
e-mail:
see also for more information:
Annual Report 2001 (pdf file)
Annual Report 2002 (pdf file)
Annual Report 2003 (pdf file)
Annual Report 2004 (pdf file)
Annual Report 2005 (pdf file)
Annual Report 2006 (pdf file)
Annual Report 2002 (pdf file)
Annual Report 2003 (pdf file)
Annual Report 2004 (pdf file)
Annual Report 2005 (pdf file)
Annual Report 2006 (pdf file)
For more details about the tasks, please consult the Terms of Reference and the Call for Participation in the new IERS.
