The Command ubv

The command ubv manipulate the UBV photoelectric data corresponding to the data type ubv. The UBV data are contained in the file ubv.peo. The command ubv presents options common to all commands and offers additional options to get mean value, references and perform selections.

The similar commands pgh, ccd, cam, sit manipulate the other related data types.

The various possibilities offered by the command ubv are: