input: [Name] component_ids [Offset] 3 [Size] 1 [Description] This is an index to an array of catalogue number suffixes. The list is read from the stars_hip_component_ids.cat file. The value of this field turns out to be the line number in the file - 1 [Type] 
output: unsigned char
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