VOLUME 13: THE ATLAS OF IDENTIFICATION CHARTS D. M'egevand, P. Bartholdi, L. Weber

Abstract

The process of editing a large atlas of charts is presented. The different steps include the extraction processes of the interesting information out of the GSC and DSS CD-ROMs, the elimination of noise, the technical aspects to produce the different charts (Parts D and G) and the difficulties linked to the number and the size of the files produced. Key words: star charts; L A T E X. 1. INTRODUCTION A significant number of the stars measured by the Hipparcos satellite are uneasy to identify. They represent one tenth of the sample of about 120 thousand stars. To ensure a correct identification and to help people making additional measurements of these stars, an atlas of identification charts has been prepared. The original idea (M'egevand 1991), used for the Hipparcos Input Catalogue Annex 2 (Grenon et al. 1992) was to prepare the charts with the Guide Star Catalog `GSC' (Lasker et al. 1990). In some situations however, it was impossible to get a correct chart from the GSC, the field ..