input: [Name] sp_int [Offset] 11 [Size] 2 [Description] This is the index in an array of spectral type descriptions which is taken from the file stars_hip_sp.cat, the index corresponds to the line number in the file - 1 [Type] 
output: unsigned short int
options: i n t
options: u n s i g n e d c h a r
options: u n s i g n e d s h o r t i n t