45-49 F5.1 mas Stand. 51-55 F5.1 mas Stand. Flags are provided to give additional data to users. All are from the Tycho Catalogue.
Brief meaning is given below.
For more detailed description, consult SP 1200 Volume 1. No investigation of duplicity was performed Format of the CD-ROM Due to the different storage capacities of computers, the data are on this CD twice. One set is divided into 4 files, each about 40 Mbytes in size. The other set contains 48 files, each approximately 5 Mbytes. The data contained within are exactly the same.