| Date: | 2011-07-15 15:32:06 | |
| Sender: | Gerard Petit <gpetit@bipm.org> | |
| Subject: | [SLR-Mail] No.2003: Updates to the IERS Conventions (2010) | |
| Author: | G | |
| Content: | ******************************************************************************** SLR Electronic Mail 2011-07-18 13:11:08 UTC Message No. 2003 ******************************************************************************** Author: Gérard Petit (IERS Conventions Center) Information on the updates to the IERS Conventions The IERS Conventions Center would like to inform its users that the process of updates to the IERS Conventions (2010) has started. The updated electronic version will be found at http://tai.bipm.org/iers/convupdt/ and at http://maia.usno.navy.mil/conv2010/convupdt.html . Changes are recorded with respect to the version of the IERS Conventions (2010) as published at http://www.iers.org/IERS/EN/Publications/TechnicalNotes/tn36.html . The history of past changes between the Conventions (2003) and the Conventions (2010) may be found at http://tai.bipm.org/iers/conv2010/convupdt . Chapter 5 ”Transformation between the International Terrestrial Reference System and Geocentric Celestial Reference System” has been updated on 13 July 2011, see http://tai.bipm.org/iers/convupdt/convupdt_c5.html . The main changes are the following: * Correct Tables 5.3a and 5.3b: Column headers misplaced in the ”paper” version; One typo in the electronic version. * Report an error in the version of Table 5.3b that was published with the Conventions (2003). * Correct in Table 5.2f the formula for the polynomial part of Y_IAU 2006 - Y_IAU2000A. * Clarify the text describing the implementation of the IAU 2000A nutation model by the SOFA (Software Of Fundamental Astronomy) service. * Report the yearly update fcnnut110701 to the Free Core Nutation model. * Correct several typos or improper wordings. Gérard Petit and Brian Luzum IERS Conventions Center ---------------------------------------- Gérard Petit Time department, BIPM Address: Pavillon de Breteuil         92312 Sèvres FRANCE Phone: (33)1-45077067 FAX: (33)1-45077059 E-mail: gpetit@bipm.org ******************************************************************************** |