Definition of the characteristic flags

Option: (0=show all flags, x=hexadecimal)

1 K2 Galactic Archeology Program Star (APOGEE2_K2_GAP)
2 California Cloud target (APOGEE2_CCLOUD_AS4)
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 - generic flag; others below dedicated to specific surveys (APOGEE2_EXTERNAL_CALIB)
64 Internal survey calibration target - observed in at least 2 of: APOGEE-1, -2N, -2S (APOGEE2_INTERNAL_CALIB)
128 Bright time extension: outer disk substructure (Triand, GASS, and A13) members (APOGEE2_DISK_SUBSTRUCTURE_MEMBER)
256 Bright time extension: outer disk substructure (Triand, GASS, and A13) candidates (APOGEE2_DISK_SUBSTRUCTURE_CANDIDATE)
512 Telluric calibrator target (APOGEE2_TELLURIC)
1024 Selected as calibration cluster member (APOGEE2_CALIB_CLUSTER)
2048 Planet host in the K2 field (APOGEE2_K2_PLANETHOST)
4096 Ancillary KOI Program; Simonian (APOGEE2_TIDAL_BINARY)
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 Halo Member (APOGEE2_HALO_MEMBER)
2097152 Halo Candidate (APOGEE2_HALO_CANDIDATE)
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 OBAF stars selected for multi-epoc observations Andrew T. (APOGEE2_CVZ_AS4_OBAF)
268435456 Submitted program to be on CVZ plate; Known Planets, ATL, Tayar-Subgiant, Canas-Cool-dwarf (APOGEE2_CVZ_AS4_GI)
536870912 Filler CTL star selected from the TESS Input Catalog (APOGEE2_CVZ_AS4_CTL)
1073741824 Filler Giant selected with RPMJ (APOGEE2_CVZ_AS4_GIANT)