| Author(s): | Corbin, T.E., Schwan, H. |
| Title: | Present Status of Work on the FK5 Extension |
| Source: | In: Reference Systems. Proc. IAU Colloq. 127, Virginia Beach, VA, USA, 14-20 October 1990; J.A. Hughes, C.A. Smith, G.H. Kaplan (eds.), U.S. Naval Observatory, Washington, DC, USA, p. 238-241 |
| Year: | 1991 |
| Abstract: | The FK5 Extension, consisting of 3117 new fundamental stars selected from the FK4 Sup catalogue and the IRS list, will extend the FK5 system to about 9.5th visual magnitude. The construction of the FK5 Extension is briefly described and the main characteristics are given. |
| Preprint issued: | |
| Remarks: |
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