This dataset contains the assembly level files for the SOFIA Telescope Assembly subsystem 1200 Secondary Mirror Assembly (SMA). Refer to subsystem datasets in the dataverse collection 1200 Secondary Mirror Assembly for subsystem level files. The SMA component is organized according to the SOFIA TA Hardware Breakdown Structure (HBS) as described in the SOFIA TA Technology and Operations Archive Manual and contains subsystems as listed in to the following tree structure:

0000 SOFIA Telescope Assembly/1000 Optical Assembly/1200 Secondary Mirror Assembly ├── 1201 SMA Mass Dummy ├── 1202 Secondary Mirror Mechanism Upgrade ├── 1210 Secondary Mirror (SiC) ├── 1220 Tilt Chopping Mechanism │   └── 1222 Tilt Chopping Mechanism Upgrade ├── 1230 Focus Centering Mechanism │   └── 1232 Focus Centering Mechanism Upgrade ├── 1240 SMA Control System │   ├── 1241 Junction Box │   ├── 1242.2 SMCU Secondary Mirror Control Unit Upgrade2 │   ├── 1243.1 TCMU Tilt Chopping Mechanism Unit Upgrade │   └── 1245.0 CIU Cavity Interface Unit ├── 1250 SM Container ├── 1260 SM Reference Mirror SMRM ├── 1270 SM Protective Handling SMHT └── 1280 SM Button Assembly └── 1281 Scattercone

For a guide how to use the archive, see the SOFIA TA Technology and Operations Archive Manual