| 1 | |
| 2 | |
| 4 | Stellar parameters/abundance standard (APOGEE2_STANDARD_STAR) |
| 8 | Stellar RV standard (APOGEE2_RV_STANDARD) |
| 16 | Sky fiber (APOGEE2_SKY) |
| 32 | External survey calibration target (APOGEE2_EXTERNAL_CALIB) |
| 64 | Internal survey calibration target (APOGEE2_INTERNAL_CALIB) |
| 128 | |
| 256 | |
| 512 | Telluric calibrator target (APOGEE2_TELLURIC) |
| 1024 | Selected as calibration cluster member (APOGEE2_CALIB_CLUSTER) |
| 2048 | |
| 4096 | |
| 8192 | Overlap with high-resolution literature studies (APOGEE2_LITERATURE_CALIB) |
| 16384 | Overlap with Gaia-ESO (APOGEE2_GES_OVERLAP) |
| 32768 | Overlap with ARGOS (APOGEE2_ARGOS_OVERLAP) |
| 65536 | Overlap with Gaia (APOGEE2_GAIA_OVERLAP) |
| 131072 | Overlap with GALAH (APOGEE2_GALAH_OVERLAP) |
| 262144 | Overlap with RAVE (APOGEE2_RAVE_OVERLAP) |
| 524288 | Commissioning special targets for APOGEE-2S (APOGEE2_COMMIS_SOUTH_SPEC) |
| 1048576 | |
| 2097152 | |
| 4194304 | Selected as a 1-m target (APOGEE2_1M_TARGET) |
| 8388608 | Selected in a cohort with H>10 rather than H>7 (APOGEE2_MOD_BRIGHT_LIMIT) |
| 16777216 | Carnegie program target (APOGEE2_CIS) |
| 33554432 | Chilean community target (APOGEE2_CNTAC) |
| 67108864 | Proprietary external target (APOGEE2_EXTERNAL) |
| 134217728 | |
| 268435456 | |
| 536870912 | |
| 1073741824 | An APOGEE-2 object (APOGEE2_OBJECT) |
| 2147483648 |