Second Cat of Fundamental Stars (SPF2)

The Catalogue SPF2 was obtained from observations of the fundamental FK4 stars as a reference stars for SRS, BS and DS star. Observations were made by Pulkovo observers in the...SPF2星表源自以FK4基本星作为SRS、BS及DS星参考星的观测数据。该观测工作由普尔科沃的观测人员于……完成。