%++++++++ %.IDENTIFICATION how.tex %.PURPOSE SPECIFICATIONS concerning NAMES, etc %.AUTHOR H.R. Dickel %.VERSION 1.0 01-Nov-1994 (H.R. Dickel) %.VERSION 1.1 01-Nov-1994 (HRD) %.VERSION 1.2 13-Dec-1994 (HRD) %.VERSION 1.3 23-Jan-1995 (HRD) %.VERSION 1.4 26-Jan-1995 (HRD) %.VERSION 09-Feb-1995 (HRD) -title change %.VERSION 24-Mar-1995 (HRD) -SIMBAD SPAN address fixed %.VERSION 1.5 05-Apr-1995 (HRD) -revised 1st sentence re Clearing House %.VERSION 1.6 20-Jan-1998 (FO) Removed obsolete items %.VERSION 1.7 29-Apr-1999 Paragraph on registring added. %.VERSION 1.8 25-Feb-2000 %.VERSION 1.81 31-Aug-2001: Addition of Clones %.VERSION 1.82 27-Jan-2003: Addition CFA Clone %.VERSION 1.83 08-Aug-2003: Working Group instead of Task Group... %.VERSION 1.84 24-Mar-2004: Chair %.VERSION 1.85 09-Oct-2006: Address %.VERSION 1.86 15-Dec-2017: (MB) Commission 5 replaced by Commission B2 + % Revision of the last section "Clearing House" % (renamed "Working Group Designations") %-------- \def\ifhtx{\iffalse} % Just ignore this line to convert to HTML \def\Version{25 February 2000} \ifhtx [***\else Badly Placed!] \topmargin -0.9in \textheight 9.3in \oddsidemargin -0.1in \textwidth 6.7in empty empty none =1ex 1em [***\fi Badly Placed!]

How to refer to a source or designate a new one
from the IAU Commission B2 Working Group on Designations
(for astronomical sources of radiation outside the solar system)
(current chair, Marion Schmitz)

(version \Version)

In general all source listings should always contain positional information and/or a second designation next to a principal designation in order to avoid ambiguities which can arise with a single designation.

Existing designations when used in listings, should never be altered and a bibliographical reference for the designation should be given.

When creating a new catalogue of sources. please consider registering for an acronym, preferably before your new objects become referenced (even informally).

When creating new designations, such as for newly discovered source(s), the following procedure is recommended:

  1. Think up an acronym of at least three characters and check the on–line Interactive Dictionary of Acronyms to be sure your acronym is unique.

  2. Think up a sequence numbering
    1. running number, or
    2. based on the position, e.g. a chain based on truncated 2000 coordinates preceded by the letter J (example: J1234+5612)

References

The IAU Recommendations for Nomenclature is also available on the World-Wide-Web via your favorite web browser at the URL address:
http://cdsweb.u-strasbg.fr/iau-spec.htx

World-Wide-Web access to the Interactive Dictionary of Acronyms is managed by the Centre de Données de Strasbourg (CDS) at the URL address:
http://cdsweb.u-strasbg.fr/cgi-bin/Dic; mirror installations are available at http://vizier.nao.ac.jp/viz-bin/Dic    http://vizier.cfa.harvard.edu/viz-bin/Dic

Latex and PDF versions of How to refer to a source or designate a new one and IAU Recommendations for Nomenclature are accessible by anonymous ftp at Internet node cdsarc.u-strasbg.fr.
(URL ftp://cdsarc.u-strasbg.fr/pub/iau)

Working Group Designations
Advice on specific problems may be obtained from members of the representatives of the Working Group on Astronomical Designations of IAU Commission B2 (current chair, Marion Schmitz), see the list at the end of the IAU Recommendations for Nomenclature.


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