Astra Source and Spectrum Flags

Astra has numerous flag columns, associated with the SDSS-V target selection, with the astronomical sources, with the spectrum, and with the individual pipelines:

  • The target selection flags are in the sdss5_target_flags column, and you should interpret them with the semaphore package.
  • The source, APOGEE Spectrum, and BOSS Spectrum flags are inherited from the targeting catalogs and the APOGEE and BOSS Data Reduction Pipelines. They are propagated to many of the Astra output files, and are described below.
  • The individual pipelines within Astra also produce their own flags, which are described in the documentation for the individual pipelines.

Some of the flags are bitmasks (with many flags contained within a single variable) and others are individual boolean flags (just one flag per variable). The naming convention in Astra is to name a bitmask column in the form of  [something]_flags  and define individual boolean flags as flag_[some_descriptive_name].

Source flags

Field Name Bit Flag Name Flag Description
sdss4_apogee_target1_flags 0 SDSS4_APOGEE_FAINT Star selected in faint bin of its cohort
sdss4_apogee_target1_flags 1 SDSS4_APOGEE_MEDIUM Star selected in medium bin of its cohort
sdss4_apogee_target1_flags 2 SDSS4_APOGEE_BRIGHT Star selected in bright bin of its cohort
sdss4_apogee_target1_flags 3 SDSS4_APOGEE_IRAC_DERED Selected w/ RJCE-IRAC dereddening
sdss4_apogee_target1_flags 4 SDSS4_APOGEE_WISE_DERED Selected w/ RJCE-WISE dereddening
sdss4_apogee_target1_flags 5 SDSS4_APOGEE_SFD_DERED Selected w/ SFD dereddening
sdss4_apogee_target1_flags 6 SDSS4_APOGEE_NO_DERED Selected w/ no dereddening
sdss4_apogee_target1_flags 7 SDSS4_APOGEE_WASH_GIANT Selected as giant using Washington photometry
sdss4_apogee_target1_flags 8 SDSS4_APOGEE_WASH_DWARF Selected as dwarf using Washington photometry
sdss4_apogee_target1_flags 9 SDSS4_APOGEE_SCI_CLUSTER Selected as probable cluster member
sdss4_apogee_target1_flags 10 SDSS4_APOGEE_EXTENDED Extended object
sdss4_apogee_target1_flags 11 SDSS4_APOGEE_SHORT Selected as ‘short’ (~3 visit) cohort target (includes 1-visit samples)
sdss4_apogee_target1_flags 12 SDSS4_APOGEE_INTERMEDIATE Selected as ‘intermediate’ cohort (~6-visit) target
sdss4_apogee_target1_flags 13 SDSS4_APOGEE_LONG Selected as ‘long’ cohort (~12- or 24-visit) target
sdss4_apogee_target1_flags 14 SDSS4_APOGEE_DO_NOT_OBSERVE Do not observe (again) — undesired dwarf, galaxy, etc
sdss4_apogee_target1_flags 15 SDSS4_APOGEE_SERENDIPITOUS Serendipitous interesting target to be re-observed
sdss4_apogee_target1_flags 16 SDSS4_APOGEE_FIRST_LIGHT First Light plate target
sdss4_apogee_target1_flags 17 SDSS4_APOGEE_ANCILLARY Ancillary target
sdss4_apogee_target1_flags 18 SDSS4_APOGEE_M31_CLUSTER M31 Clusters (Allende Prieto, Schiavon, Bizyaev, OConnell, Shetrone)
sdss4_apogee_target1_flags 19 SDSS4_APOGEE_MDWARF RVs of M Dwarfs (Blake, Mahadevan, Hearty, Deshpande, Nidever, Bender, Crepp, Carlberg, Terrien, Schneider) — both original list and second-round extension
sdss4_apogee_target1_flags 20 SDSS4_APOGEE_HIRES Stars with Optical Hi-Res Spectra (Fabbian, Allende Prieto, Smith, Cunha)
sdss4_apogee_target1_flags 21 SDSS4_APOGEE_OLD_STAR Oldest Stars in Galaxy (Harding, Johnson)
sdss4_apogee_target1_flags 22 SDSS4_APOGEE_DISK_RED_GIANT Ages/Compositions? of Disk Red Giants (Johnson, Epstein, Pinsonneault, Lai, Bird, Schonrich, Chiappini)
sdss4_apogee_target1_flags 23 SDSS4_APOGEE_KEPLER_EB Kepler EBs (Mahadevan, Fleming, Bender, Deshpande, Hearty, Nidever, Terrien)
sdss4_apogee_target1_flags 24 SDSS4_APOGEE_GC_PAL1 Globular Cluster Pops in the MW (Simmerer, Ivans, Shetrone)
sdss4_apogee_target1_flags 25 SDSS4_APOGEE_MASSIVE_STAR Massive Stars in the MW (Herrero, Garcia-Garcia, Ramirez-Alegria)
sdss4_apogee_target1_flags 26 SDSS4_APOGEE_SGR_DSPH Sgr (dSph) member
sdss4_apogee_target1_flags 27 SDSS4_APOGEE_KEPLER_SEISMO Kepler asteroseismology program target (Epstein)
sdss4_apogee_target1_flags 28 SDSS4_APOGEE_KEPLER_HOST Planet-host program target (Epstein)
sdss4_apogee_target1_flags 29 SDSS4_APOGEE_FAINT_EXTRA Faint’ target in low-target-density fields
sdss4_apogee_target1_flags 30 SDSS4_APOGEE_SEGUE_OVERLAP SEGUE overlap
sdss4_apogee_target2_flags 0 SDSS4_APOGEE_LIGHT_TRAP Light trap
sdss4_apogee_target2_flags 1 SDSS4_APOGEE_FLUX_STANDARD Flux standard
sdss4_apogee_target2_flags 2 SDSS4_APOGEE_STANDARD_STAR Stellar abundance/parameters standard
sdss4_apogee_target2_flags 3 SDSS4_APOGEE_RV_STANDARD RV standard
sdss4_apogee_target2_flags 4 SDSS4_APOGEE_SKY Sky
sdss4_apogee_target2_flags 5 SDSS4_APOGEE_SKY_BAD Selected as sky but IDed as bad (via visual examination or observation)
sdss4_apogee_target2_flags 6 SDSS4_APOGEE_GUIDE_STAR Guide star
sdss4_apogee_target2_flags 7 SDSS4_APOGEE_BUNDLE_HOLE Bundle hole
sdss4_apogee_target2_flags 8 SDSS4_APOGEE_TELLURIC_BAD Selected as telluric std but IDed as too red (via SIMBAD or observation)
sdss4_apogee_target2_flags 10 SDSS4_APOGEE_CALIB_CLUSTER Known calibration cluster member
sdss4_apogee_target2_flags 11 SDSS4_APOGEE_BULGE_GIANT Selected as probable giant in bulge
sdss4_apogee_target2_flags 12 SDSS4_APOGEE_BULGE_SUPER_GIANT Selected as probable supergiant in bulge
sdss4_apogee_target2_flags 13 SDSS4_APOGEE_EMBEDDED_CLUSTER_STAR Young nebulous clusters (Covey, Tan)
sdss4_apogee_target2_flags 14 SDSS4_APOGEE_LONG_BAR Milky Way Long Bar (Zasowski)
sdss4_apogee_target2_flags 15 SDSS4_APOGEE_EMISSION_STAR Be Emission Line Stars (Chojnowski, Whelan)
sdss4_apogee_target2_flags 16 SDSS4_APOGEE_KEPLER_COOL_DWARF Kepler Cool Dwarfs (van Saders)
sdss4_apogee_target2_flags 17 SDSS4_APOGEE_MIR_CLUSTER_STAR Outer Disk MIR Clusters (Beaton)
sdss4_apogee_target2_flags 18 SDSS4_APOGEE_RV_MONITOR_IC348 RV Variability in IC348 (Nidever, Covey)
sdss4_apogee_target2_flags 19 SDSS4_APOGEE_RV_MONITOR_KEPLER RV Variability for Kepler Planet Hosts and Binaries (Deshpande, Fleming, Mahadevan)
sdss4_apogee_target2_flags 20 SDSS4_APOGEE_GES_CALIBRATE Gaia-ESO calibration targets
sdss4_apogee_target2_flags 21 SDSS4_APOGEE_BULGE_RV_VERIFY RV Verification (Nidever)
sdss4_apogee_target2_flags 22 SDSS4_APOGEE_1M_TARGET Selected as a 1-m target (Holtzman)
sdss4_apogee_extra_target_flags 0 SDSS4_APOGEE_NOT_MAIN Not a main sample target
sdss4_apogee_extra_target_flags 1 SDSS4_APOGEE_COMMISSIONING Commissioning observation
sdss4_apogee_extra_target_flags 2 SDSS4_APOGEE_TELLURIC Targeted as telluric
sdss4_apogee_extra_target_flags 3 SDSS4_APOGEE_APO1M APO/NMSU 1M observation
sdss4_apogee_extra_target_flags 4 SDSS4_APOGEE_DUPLICATE Non-primary (not highest S/N) duplicate, excluding SDSS-5
sdss4_apogee2_target1_flags 0 SDSS4_APOGEE2_ONEBIT_GT_0_5 Selected in single (J-Ks)o > 0.5 color bin
sdss4_apogee2_target1_flags 1 SDSS4_APOGEE2_TWOBIT_0_5_TO_0_8 Selected in ‘blue’ 0.5 < (J-Ks)o < 0.8 color bin
sdss4_apogee2_target1_flags 2 SDSS4_APOGEE2_TWOBIT_GT_0_8 Selected in ‘red’ (J-Ks)o > 0.8 color bin
sdss4_apogee2_target1_flags 3 SDSS4_APOGEE2_IRAC_DERED Selected with RJCE-IRAC dereddening
sdss4_apogee2_target1_flags 4 SDSS4_APOGEE2_WISE_DERED Selected with RJCE-WISE dereddening
sdss4_apogee2_target1_flags 5 SDSS4_APOGEE2_SFD_DERED Selected with SFD_EBV dereddening
sdss4_apogee2_target1_flags 6 SDSS4_APOGEE2_NO_DERED Selected with no dereddening
sdss4_apogee2_target1_flags 7 SDSS4_APOGEE2_WASH_GIANT Selected as Wash+DDO51 photometric giant
sdss4_apogee2_target1_flags 8 SDSS4_APOGEE2_WASH_DWARF Selected as Wash+DDO51 photometric dwarf
sdss4_apogee2_target1_flags 9 SDSS4_APOGEE2_SCI_CLUSTER Science cluster candidate member
sdss4_apogee2_target1_flags 10 SDSS4_APOGEE2_CLUSTER_CANDIDATE Selected as globular cluster candidate
sdss4_apogee2_target1_flags 11 SDSS4_APOGEE2_SHORT Selected as part of a short cohort
sdss4_apogee2_target1_flags 12 SDSS4_APOGEE2_MEDIUM Selected as part of a medium cohort
sdss4_apogee2_target1_flags 13 SDSS4_APOGEE2_LONG Selected as part of a long cohort
sdss4_apogee2_target1_flags 14 SDSS4_APOGEE2_NORMAL_SAMPLE Selected as part of the random sample
sdss4_apogee2_target1_flags 15 SDSS4_APOGEE2_MANGA_LED Star on a shared MaNGA-led design
sdss4_apogee2_target1_flags 16 SDSS4_APOGEE2_ONEBIN_GT_0_3 Selected in single (J-Ks)o > 0.3 color bin
sdss4_apogee2_target1_flags 17 SDSS4_APOGEE2_WASH_NOCLASS Selected because it has no W+D classification
sdss4_apogee2_target1_flags 18 SDSS4_APOGEE2_STREAM_MEMBER Selected as confirmed halo tidal stream member
sdss4_apogee2_target1_flags 19 SDSS4_APOGEE2_STREAM_CANDIDATE Selected as potential halo tidal stream member (based on photometry)
sdss4_apogee2_target1_flags 20 SDSS4_APOGEE2_DSPH_MEMBER Selected as confirmed dSph member (non Sgr)
sdss4_apogee2_target1_flags 21 SDSS4_APOGEE2_DSPH_CANDIDATE Selected as potential dSph member (non Sgr) (based on photometry)
sdss4_apogee2_target1_flags 22 SDSS4_APOGEE2_MAGCLOUD_MEMBER Selected as confirmed Mag Cloud member
sdss4_apogee2_target1_flags 23 SDSS4_APOGEE2_MAGCLOUD_CANDIDATE Selected as potential Mag Cloud member (based on photometry)
sdss4_apogee2_target1_flags 24 SDSS4_APOGEE2_RRLYR Selected as an RR Lyrae star
sdss4_apogee2_target1_flags 25 SDSS4_APOGEE2_BULGE_RC Selected as a bulge candidate RC star
sdss4_apogee2_target1_flags 26 SDSS4_APOGEE2_SGR_DSPH Selected as confirmed Sgr core/stream member
sdss4_apogee2_target1_flags 27 SDSS4_APOGEE2_APOKASC_GIANT Selected as part of APOKASC ‘giant’ sample
sdss4_apogee2_target1_flags 28 SDSS4_APOGEE2_APOKASC_DWARF Selected as part of APOKASC ‘dwarf’ sample
sdss4_apogee2_target1_flags 29 SDSS4_APOGEE2_FAINT_EXTRA Faint’ star (fainter than cohort limit; not required to reach survey S/N requirement)
sdss4_apogee2_target1_flags 30 SDSS4_APOGEE2_APOKASC Selected as part of the APOKASC program (incl. seismic/gyro targets and others, both the Cygnus field and K2)
sdss4_apogee2_target2_flags 0 SDSS4_APOGEE2_K2_GAP K2 Galactic Archeology Program Star
sdss4_apogee2_target2_flags 1 SDSS4_APOGEE2_CCLOUD_AS4 California Cloud target
sdss4_apogee2_target2_flags 2 SDSS4_APOGEE2_STANDARD_STAR Stellar parameters/abundance standard
sdss4_apogee2_target2_flags 3 SDSS4_APOGEE2_RV_STANDARD Stellar RV standard
sdss4_apogee2_target2_flags 4 SDSS4_APOGEE2_SKY Sky fiber
sdss4_apogee2_target2_flags 5 SDSS4_APOGEE2_EXTERNAL_CALIB External survey calibration target (generic flag; others below dedicated to specific surveys)
sdss4_apogee2_target2_flags 6 SDSS4_APOGEE2_INTERNAL_CALIB Internal survey calibration target (observed in at least 2 of: APOGEE-1, -2N, -2S)
sdss4_apogee2_target2_flags 7 SDSS4_APOGEE2_DISK_SUBSTRUCTURE_MEMBER Bright time extension: outer disk substructure (Triand, GASS, and A13) members
sdss4_apogee2_target2_flags 8 SDSS4_APOGEE2_DISK_SUBSTRUCTURE_CANDIDATE Bright time extension: outer disk substructure (Triand, GASS, and A13) candidates
sdss4_apogee2_target2_flags 9 SDSS4_APOGEE2_TELLURIC Telluric standard
sdss4_apogee2_target2_flags 10 SDSS4_APOGEE2_CALIB_CLUSTER Selected as calibration cluster member
sdss4_apogee2_target2_flags 11 SDSS4_APOGEE2_K2_PLANET_HOST Planet host in the K2 field
sdss4_apogee2_target2_flags 12 SDSS4_APOGEE2_TIDAL_BINARY Ancillary KOI Program (Simonian)
sdss4_apogee2_target2_flags 13 SDSS4_APOGEE2_LITERATURE_CALIB Overlap with high-resolution literature studies
sdss4_apogee2_target2_flags 14 SDSS4_APOGEE2_GES_OVERLAP Overlap with Gaia-ESO
sdss4_apogee2_target2_flags 15 SDSS4_APOGEE2_ARGOS_OVERLAP Overlap with ARGOS
sdss4_apogee2_target2_flags 16 SDSS4_APOGEE2_GAIA_OVERLAP Overlap with Gaia
sdss4_apogee2_target2_flags 17 SDSS4_APOGEE2_GALAH_OVERLAP Overlap with GALAH
sdss4_apogee2_target2_flags 18 SDSS4_APOGEE2_RAVE_OVERLAP Overlap with RAVE
sdss4_apogee2_target2_flags 19 SDSS4_APOGEE2_COMMIS_SOUTH_SPEC Commissioning special targets for APOGEE2S
sdss4_apogee2_target2_flags 20 SDSS4_APOGEE2_HALO_MEMBER Halo Member
sdss4_apogee2_target2_flags 21 SDSS4_APOGEE2_HALO_CANDIDATE Halo Candidate
sdss4_apogee2_target2_flags 22 SDSS4_APOGEE2_1M_TARGET Selected as a 1-m target
sdss4_apogee2_target2_flags 23 SDSS4_APOGEE2_MOD_BRIGHT_LIMIT Selected in a cohort with H>10 rather than H>7
sdss4_apogee2_target2_flags 24 SDSS4_APOGEE2_CIS Carnegie program target
sdss4_apogee2_target2_flags 25 SDSS4_APOGEE2_CNTAC Chilean community target
sdss4_apogee2_target2_flags 26 SDSS4_APOGEE2_EXTERNAL Proprietary external target
sdss4_apogee2_target2_flags 27 SDSS4_APOGEE2_CVZ_AS4_OBAF OBAF stars selected for multi-epoc observations Andrew T.
sdss4_apogee2_target2_flags 28 SDSS4_APOGEE2_CVZ_AS4_GI Submitted program to be on CVZ plate (Known Planets, ATL, Tayar-Subgiant, Canas-Cool-dwarf)
sdss4_apogee2_target2_flags 29 SDSS4_APOGEE2_CVZ_AS4_CTL Filler CTL star selected from the TESS Input Catalog
sdss4_apogee2_target2_flags 30 SDSS4_APOGEE2_CVZ_AS4_GIANT Filler Giant selected with RPMJ
sdss4_apogee2_target3_flags 0 SDSS4_APOGEE2_KOI Selected as part of the long cadence KOI study
sdss4_apogee2_target3_flags 1 SDSS4_APOGEE2_EB Selected as part of the EB program
sdss4_apogee2_target3_flags 2 SDSS4_APOGEE2_KOI_CONTROL Selected as part of the long cadence KOI ‘control sample’
sdss4_apogee2_target3_flags 3 SDSS4_APOGEE2_MDWARF Selected as part of the M dwarf study
sdss4_apogee2_target3_flags 4 SDSS4_APOGEE2_SUBSTELLAR_COMPANIONS Selected as part of the substellar companion search
sdss4_apogee2_target3_flags 5 SDSS4_APOGEE2_YOUNG_CLUSTER Selected as part of the young cluster study (IN-SYNC)
sdss4_apogee2_target3_flags 6 SDSS4_APOGEE2_K2 Selected as part of the K2 program (BTX and Main Survey)
sdss4_apogee2_target3_flags 7 SDSS4_APOGEE2_OBJECT This object is an APOGEE-2 target
sdss4_apogee2_target3_flags 8 SDSS4_APOGEE2_ANCILLARY Selected as an ancillary target
sdss4_apogee2_target3_flags 9 SDSS4_APOGEE2_MASSIVE_STAR Selected as part of the Massive Star program
sdss4_apogee2_target3_flags 10 SDSS4_APOGEE2_QSO Ancillary QSO pilot program (Albareti)
sdss4_apogee2_target3_flags 11 SDSS4_APOGEE2_CEPHEID Ancillary Cepheid sparse targets (Beaton)
sdss4_apogee2_target3_flags 12 SDSS4_APOGEE2_LOW_AV_WINDOWS Ancillary Deep Disk sample (Bovy)
sdss4_apogee2_target3_flags 13 SDSS4_APOGEE2_BE_STAR Ancillary ASHELS sample (Chojnowski)
sdss4_apogee2_target3_flags 14 SDSS4_APOGEE2_YOUNG_MOVING_GROUP Ancillary young moving group members (Downes)
sdss4_apogee2_target3_flags 15 SDSS4_APOGEE2_NGC6791 Ancillary NGC 6791 star (Geisler)
sdss4_apogee2_target3_flags 16 SDSS4_APOGEE2_LABEL_STAR Ancillary Cannon calibrator Sample (Ness)
sdss4_apogee2_target3_flags 17 SDSS4_APOGEE2_FAINT_KEPLER_GIANTS Ancillary APOKASC faint giants (Pinsonneault)
sdss4_apogee2_target3_flags 18 SDSS4_APOGEE2_W345 Ancillary W3/4/5 star forming complex (Roman-Lopes)
sdss4_apogee2_target3_flags 19 SDSS4_APOGEE2_MASSIVE_EVOLVED Ancillary massive/evolved star targets (Stringfellow)
sdss4_apogee2_target3_flags 20 SDSS4_APOGEE2_EXTINCTION Ancillary extinction targets (Schlafly)
sdss4_apogee2_target3_flags 21 SDSS4_APOGEE2_KEPLER_MDWARF_KOI Ancillary M dwarf targets (Smith)
sdss4_apogee2_target3_flags 22 SDSS4_APOGEE2_AGB Ancillary AGB sample (Zamora)
sdss4_apogee2_target3_flags 23 SDSS4_APOGEE2_M33 Ancillary M33 Program (Anguiano)
sdss4_apogee2_target3_flags 24 SDSS4_APOGEE2_ULTRACOOL Ancillary Ultracool Dwarfs Program (Burgasser)
sdss4_apogee2_target3_flags 25 SDSS4_APOGEE2_DISTANT_SEGUE_GIANTS Ancillary Distant SEGUE Giants program (Harding)
sdss4_apogee2_target3_flags 26 SDSS4_APOGEE2_CEPHEID_MAPPING Ancillary Cepheid Mapping Program (Inno)
sdss4_apogee2_target3_flags 27 SDSS4_APOGEE2_SA57 Ancillary SA57 Kapteyn Field Program (Majewski)
sdss4_apogee2_target3_flags 28 SDSS4_APOGEE2_K2_MDWARF Ancillary K2 M dwarf Program (Smith)
sdss4_apogee2_target3_flags 29 SDSS4_APOGEE2_RVVAR Ancillary RV Variables Program (Troup)
sdss4_apogee2_target3_flags 30 SDSS4_APOGEE2_M31 Ancillary M31 Program (Zasowski)
sdss4_apogee_member_flags 0 SDSS4_APOGEE_MEMBER_M92 Likely member of M92
sdss4_apogee_member_flags 1 SDSS4_APOGEE_MEMBER_M15 Likely member of M15
sdss4_apogee_member_flags 2 SDSS4_APOGEE_MEMBER_M53 Likely member of M53
sdss4_apogee_member_flags 3 SDSS4_APOGEE_MEMBER_NGC_5466 Likely member of NGC 5466
sdss4_apogee_member_flags 4 SDSS4_APOGEE_MEMBER_NGC_4147 Likely member of NGC 4147
sdss4_apogee_member_flags 5 SDSS4_APOGEE_MEMBER_M2 Likely member of M2
sdss4_apogee_member_flags 6 SDSS4_APOGEE_MEMBER_M13 Likely member of M13
sdss4_apogee_member_flags 7 SDSS4_APOGEE_MEMBER_M3 Likely member of M3
sdss4_apogee_member_flags 8 SDSS4_APOGEE_MEMBER_M5 Likely member of M5
sdss4_apogee_member_flags 9 SDSS4_APOGEE_MEMBER_M12 Likely member of M12
sdss4_apogee_member_flags 10 SDSS4_APOGEE_MEMBER_M107 Likely member of M107
sdss4_apogee_member_flags 11 SDSS4_APOGEE_MEMBER_M71 Likely member of M71
sdss4_apogee_member_flags 12 SDSS4_APOGEE_MEMBER_NGC_2243 Likely member of NGC 2243
sdss4_apogee_member_flags 13 SDSS4_APOGEE_MEMBER_BE29 Likely member of Be29
sdss4_apogee_member_flags 14 SDSS4_APOGEE_MEMBER_NGC_2158 Likely member of NGC 2158
sdss4_apogee_member_flags 15 SDSS4_APOGEE_MEMBER_M35 Likely member of M35
sdss4_apogee_member_flags 16 SDSS4_APOGEE_MEMBER_NGC_2420 Likely member of NGC 2420
sdss4_apogee_member_flags 17 SDSS4_APOGEE_MEMBER_NGC_188 Likely member of NGC 188
sdss4_apogee_member_flags 18 SDSS4_APOGEE_MEMBER_M67 Likely member of M67
sdss4_apogee_member_flags 19 SDSS4_APOGEE_MEMBER_NGC_7789 Likely member of NGC 7789
sdss4_apogee_member_flags 20 SDSS4_APOGEE_MEMBER_PLEIADES Likely member of Pleiades
sdss4_apogee_member_flags 21 SDSS4_APOGEE_MEMBER_NGC_6819 Likely member of NGC 6819
sdss4_apogee_member_flags 22 SDSS4_APOGEE_MEMBER_COMA_BERENICES Likely member of Coma Berenices
sdss4_apogee_member_flags 23 SDSS4_APOGEE_MEMBER_NGC_6791 Likely member of NGC 6791
sdss4_apogee_member_flags 24 SDSS4_APOGEE_MEMBER_NGC_5053 Likely member of NGC 5053
sdss4_apogee_member_flags 25 SDSS4_APOGEE_MEMBER_M68 Likely member of M68
sdss4_apogee_member_flags 26 SDSS4_APOGEE_MEMBER_NGC_6397 Likely member of NGC 6397
sdss4_apogee_member_flags 27 SDSS4_APOGEE_MEMBER_M55 Likely member of M55
sdss4_apogee_member_flags 28 SDSS4_APOGEE_MEMBER_NGC_5634 Likely member of NGC 5634
sdss4_apogee_member_flags 29 SDSS4_APOGEE_MEMBER_M22 Likely member of M22
sdss4_apogee_member_flags 30 SDSS4_APOGEE_MEMBER_M79 Likely member of M79
sdss4_apogee_member_flags 31 SDSS4_APOGEE_MEMBER_NGC_3201 Likely member of NGC 3201
sdss4_apogee_member_flags 32 SDSS4_APOGEE_MEMBER_M10 Likely member of M10
sdss4_apogee_member_flags 33 SDSS4_APOGEE_MEMBER_NGC_6752 Likely member of NGC 6752
sdss4_apogee_member_flags 34 SDSS4_APOGEE_MEMBER_OMEGA_CENTAURI Likely member of Omega Centauri
sdss4_apogee_member_flags 35 SDSS4_APOGEE_MEMBER_M54 Likely member of M54
sdss4_apogee_member_flags 36 SDSS4_APOGEE_MEMBER_NGC_6229 Likely member of NGC 6229
sdss4_apogee_member_flags 37 SDSS4_APOGEE_MEMBER_PAL5 Likely member of Pal5
sdss4_apogee_member_flags 38 SDSS4_APOGEE_MEMBER_NGC_6544 Likely member of NGC 6544
sdss4_apogee_member_flags 39 SDSS4_APOGEE_MEMBER_NGC_6522 Likely member of NGC 6522
sdss4_apogee_member_flags 40 SDSS4_APOGEE_MEMBER_NGC_288 Likely member of NGC 288
sdss4_apogee_member_flags 41 SDSS4_APOGEE_MEMBER_NGC_362 Likely member of NGC 362
sdss4_apogee_member_flags 42 SDSS4_APOGEE_MEMBER_NGC_1851 Likely member of NGC 1851
sdss4_apogee_member_flags 43 SDSS4_APOGEE_MEMBER_M4 Likely member of M4
sdss4_apogee_member_flags 44 SDSS4_APOGEE_MEMBER_NGC_2808 Likely member of NGC 2808
sdss4_apogee_member_flags 45 SDSS4_APOGEE_MEMBER_PAL6 Likely member of Pal6
sdss4_apogee_member_flags 46 SDSS4_APOGEE_MEMBER_47TUC Likely member of 47 Tucane
sdss4_apogee_member_flags 47 SDSS4_APOGEE_MEMBER_PAL1 Likely member of Pal1
sdss4_apogee_member_flags 48 SDSS4_APOGEE_MEMBER_NGC_6539 Likely member of NGC 6539
sdss4_apogee_member_flags 49 SDSS4_APOGEE_MEMBER_NGC_6388 Likely member of NGC 6388
sdss4_apogee_member_flags 50 SDSS4_APOGEE_MEMBER_NGC_6441 Likely member of NGC 6441
sdss4_apogee_member_flags 51 SDSS4_APOGEE_MEMBER_NGC_6316 Likely member of NGC 6316
sdss4_apogee_member_flags 52 SDSS4_APOGEE_MEMBER_NGC_6760 Likely member of NGC 6760
sdss4_apogee_member_flags 53 SDSS4_APOGEE_MEMBER_NGC_6553 Likely member of NGC 6553
sdss4_apogee_member_flags 54 SDSS4_APOGEE_MEMBER_NGC_6528 Likely member of NGC 6528
sdss4_apogee_member_flags 55 SDSS4_APOGEE_MEMBER_DRACO Likely member of Draco
sdss4_apogee_member_flags 56 SDSS4_APOGEE_MEMBER_URMINOR Likely member of Ursa Minor
sdss4_apogee_member_flags 57 SDSS4_APOGEE_MEMBER_BOOTES1 Likely member of Bootes 1
sdss4_apogee_member_flags 58 SDSS4_APOGEE_MEMBER_SEXANS Likely member of Sextans
sdss4_apogee_member_flags 59 SDSS4_APOGEE_MEMBER_FORNAX Likely member of Fornax
sdss4_apogee_member_flags 60 SDSS4_APOGEE_MEMBER_SCULPTOR Likely member of Sculptor
sdss4_apogee_member_flags 61 SDSS4_APOGEE_MEMBER_CARINA Likely member of Carina
w1uflags 0 UNWISE_W1_IN_CORE_OR_WINGS In core or wings
w1uflags 1 UNWISE_W1_IN_DIFFRACTION_SPIKE In diffraction spike
w1uflags 2 UNWISE_W1_IN_GHOST In ghost
w1uflags 3 UNWISE_W1_IN_FIRST_LATENT In first latent
w1uflags 4 UNWISE_W1_IN_SECOND_LATENT In second latent
w1uflags 5 UNWISE_W1_IN_CIRCULAR_HALO In circular halo
w1uflags 6 UNWISE_W1_SATURATED Saturated
w1uflags 7 UNWISE_W1_IN_GEOMETRIC_DIFFRACTION_SPIKE In geometric diffraction spike
w2uflags 0 UNWISE_W2_IN_CORE_OR_WINGS In core or wings
w2uflags 1 UNWISE_W2_IN_DIFFRACTION_SPIKE In diffraction spike
w2uflags 2 UNWISE_W2_IN_GHOST In ghost
w2uflags 3 UNWISE_W2_IN_FIRST_LATENT In first latent
w2uflags 4 UNWISE_W2_IN_SECOND_LATENT In second latent
w2uflags 5 UNWISE_W2_IN_CIRCULAR_HALO In circular halo
w2uflags 6 UNWISE_W2_SATURATED Saturated
w2uflags 7 UNWISE_W2_IN_GEOMETRIC_DIFFRACTION_SPIKE In geometric diffraction spike
w1aflags 0 UNWISE_W1_IN_BRIGHT_STAR_PSF In PSF of bright star falling off coadd
w1aflags 1 UNWISE_W1_IN_HYPERLEDA_GALAXY In HyperLeda large galaxy
w1aflags 2 UNWISE_W1_IN_BIG_OBJECT In “big object” (e.g., a Magellanic cloud)
w1aflags 3 UNWISE_W1_PIXEL_IN_VERY_BRIGHT_STAR_CENTROID Pixel may contain the centroid of a very bright star
w1aflags 4 UNWISE_W1_CROWDSOURCE_SATURATION crowdsource considers this pixel potentially affected by saturation
w1aflags 5 UNWISE_W1_POSSIBLE_NEBULOSITY Pixel may contain nebulosity
w1aflags 6 UNWISE_W1_NO_AGGRESSIVE_DEBLEND Sources in this pixel will not be aggressively deblended
w1aflags 7 UNWISE_W1_CANDIDATE_SOURCES_MUST_BE_SHARP Candidate sources in this pixel must be “sharp” to be optimized
w2aflags 0 UNWISE_W2_IN_BRIGHT_STAR_PSF In PSF of bright star falling off coadd
w2aflags 1 UNWISE_W2_IN_HYPERLEDA_GALAXY In HyperLeda large galaxy
w2aflags 2 UNWISE_W2_IN_BIG_OBJECT In “big object” (e.g., a Magellanic cloud)
w2aflags 3 UNWISE_W2_PIXEL_IN_VERY_BRIGHT_STAR_CENTROID Pixel may contain the centroid of a very bright star
w2aflags 4 UNWISE_W2_CROWDSOURCE_SATURATION crowdsource considers this pixel potentially affected by saturation
w2aflags 5 UNWISE_W2_POSSIBLE_NEBULOSITY Pixel may contain nebulosity
w2aflags 6 UNWISE_W2_NO_AGGRESSIVE_DEBLEND Sources in this pixel will not be aggressively deblended
w2aflags 7 UNWISE_W2_CANDIDATE_SOURCES_MUST_BE_SHARP Candidate sources in this pixel must be “sharp” to be optimized
sqf_4_5 0 GLIMPSE_POOR_DARK_PIXEL_CURRENT Poor pixels in dark current
sqf_4_5 1 GLIMPSE_FLAT_FIELD_QUESTIONABLE Flat field applied using questionable value
sqf_4_5 2 GLIMPSE_LATENT_IMAGE Latent image
sqf_4_5 3 GLIMPSE_SATURATED_STAR_CORRECTION Sat star correction
sqf_4_5 6 GLIMPSE_MUXBLEED_CORRECTION_APPLIED Muxbleed correction applied
sqf_4_5 7 GLIMPSE_HOT_OR_DEAD_PIXELS Hot, dead or otherwise unacceptable pixel
sqf_4_5 8 GLIMPSE_MUXBLEED_SIGNIFICANT Muxbleed > 3-sigma above the background
sqf_4_5 9 GLIMPSE_ALLSTAR_TWEAK_POSITIVE Allstar tweak positive
sqf_4_5 10 GLIMPSE_ALLSTAR_TWEAK_NEGATIVE Allstar tweak negative
sqf_4_5 12 GLIMPSE_CONFUSION_IN_BAND_MERGE Confusion in in-band merge
sqf_4_5 13 GLIMPSE_CONFUSION_IN_CROSS_BAND_MERGE Confusion in cross-band merge
sqf_4_5 14 GLIMPSE_COLUMN_PULLDOWN_CORRECTION Column pulldown correction
sqf_4_5 15 GLIMPSE_BANDING_CORRECTION Banding correction
sqf_4_5 16 GLIMPSE_STRAY_LIGHT Stray light
sqf_4_5 18 GLIMPSE_NO_NONLINEAR_CORRECTION Nonlinear correction not applied
sqf_4_5 19 GLIMPSE_SATURATED_STAR_WING_REGION Saturated star wing region
sqf_4_5 20 GLIMPSE_PRE_LUMPING_IN_BAND_MERGE Pre-lumping in in-band merge
sqf_4_5 21 GLIMPSE_POST_LUMPING_IN_CROSS_BAND_MERGE Post-lumping in cross-band merge
sqf_4_5 29 GLIMPSE_EDGE_OF_FRAME Edge of frame (within 3 pixels of edge)
sqf_4_5 30 GLIMPSE_TRUTH_LIST Truth list (for simulated data)
csf 0 GLIMPSE_NO_SOURCE_WITHIN_3_ARCSECOND No GLIMPSE sources within 3″ of this source
csf 1 GLIMPSE_1_SOURCE_WITHIN_2P5_AND_3_ARCSECOND 1 source in GLIMPSE between 2.5″ and 3″ of this source
csf 2 GLIMPSE_2_SOURCES_WITHIN_2_AND_2P5_ARCSECOND 2 sources in GLIMPSE within 2″ and 2.5″ of this source
csf 3 GLIMPSE_3_SOURCES_WITHIN_1P5_AND_2_ARCSECOND 3 sources in GLIMPSE within 1.5″ and 2″ of this source
csf 4 GLIMPSE_4_SOURCES_WITHIN_1_AND_1P5_ARCSECOND 4 sources in GLIMPSE within 1″ and 1.5″ of this source
csf 5 GLIMPSE_5_SOURCES_WITHIN_0P5_AND_1_ARCSECOND 5 sources in GLIMPSE within 0.5″ and 1.0″ of this source
csf 6 GLIMPSE_6_SOURCES_WITHIN_0P5_ARCSECOND 6 sources in GLIMPSE within 0.5″ of this source
ebv_flags 0 EBV_FROM_ZHANG_2023 E(B-V) from Zhang et al. (2023)
ebv_flags 1 EBV_FROM_EDENHOFER_2023 E(B-V) from Edenhofer et al. (2023)
ebv_flags 2 EBV_FROM_SFD E(B-V) from SFD
ebv_flags 3 EBV_FROM_RJCE_GLIMPSE E(B-V) from RJCE GLIMPSE
ebv_flags 4 EBV_FROM_RJCE_ALLWISE E(B-V) from RJCE AllWISE
ebv_flags 5 EBV_UPPER_LIMIT E(B-V) is an upper limit

APOGEE Spectrum Flags

Field Name Bit Flag Name Flag Description
spectrum_flags 0 BAD_PIXELS Spectrum has many bad pixels (>20%).
spectrum_flags 1 COMMISSIONING Commissioning data (MJD <55761); non-standard configuration; poor LSF.
spectrum_flags 2 BRIGHT_NEIGHBOR Star has neighbor more than 10 times brighter.
spectrum_flags 3 VERY_BRIGHT_NEIGHBOR Star has neighbor more than 100 times brighter.
spectrum_flags 4 LOW_SNR Spectrum has low S/N (<5).
spectrum_flags 9 PERSIST_HIGH Spectrum has at least 20% of pixels in high persistence region.
spectrum_flags 10 PERSIST_MED Spectrum has at least 20% of pixels in medium persistence region.
spectrum_flags 11 PERSIST_LOW Spectrum has at least 20% of pixels in low persistence region.
spectrum_flags 12 PERSIST_JUMP_POS Spectrum has obvious positive jump in blue chip.
spectrum_flags 13 PERSIST_JUMP_NEG Spectrum has obvious negative jump in blue chip.
spectrum_flags 16 SUSPECT_RV_COMBINATION RVs from synthetic template differ significantly (~2 km/s) from those from combined template.
spectrum_flags 17 SUSPECT_BROAD_LINES Cross-correlation peak with template significantly broader than autocorrelation of template.
spectrum_flags 18 BAD_RV_COMBINATION RVs from synthetic template differ very significantly (~10 km/s) from those from combined template.
spectrum_flags 19 RV_REJECT Rejected visit because cross-correlation RV differs significantly from least squares RV.
spectrum_flags 20 RV_SUSPECT Suspect visit (but used!) because cross-correlation RV differs slightly from least squares RV.
spectrum_flags 21 MULTIPLE_SUSPECT Suspect multiple components from Gaussian decomposition of cross-correlation.
spectrum_flags 22 RV_FAILURE RV failure.
spectrum_flags 23 SUSPECT_ROTATION Suspect rotation: cross-correlation peak with template significantly broader than autocorretion of template
spectrum_flags 24 MTPFLUX_LT_75 Spectrum falls on fiber in MTP block with relative flux < 0.75
spectrum_flags 25 MTPFLUX_LT_50 Spectrum falls on fiber in MTP block with relative flux < 0.5

BOSS Spectrum Flags

Field Name Bit Flag Name Flag Description
gri_gaia_transform_flags 0 U_GAIA_TRANSFORMED u photometry provided for plate design is transformed from Gaia mags.
gri_gaia_transform_flags 1 U_GAIA_OUTSIDE u photometry cannot be calculated from Gaia photometry as it lies outside range of colors for which transforms are defined
gri_gaia_transform_flags 2 U_GAIA_NONE u photometry cannot be calculated for this source
gri_gaia_transform_flags 3 G_GAIA_TRANSFORMED g photometry provided for plate design is transformed from Gaia mags.
gri_gaia_transform_flags 4 G_GAIA_OUTSIDE g photometry cannot be calculated from Gaia photometry as it lies outside range of colors for which transforms are defined
gri_gaia_transform_flags 5 G_GAIA_NONE g photometry cannot be calculated for this source
gri_gaia_transform_flags 6 R_GAIA_TRANSFORMED r photometry provided for plate design is transformed from Gaia mags.
gri_gaia_transform_flags 7 R_GAIA_OUTSIDE r photometry cannot be calculated from Gaia photometry as it lies outside range of colors for which transforms are defined
gri_gaia_transform_flags 8 R_GAIA_NONE r photometry cannot be calculated for this source
gri_gaia_transform_flags 9 I_GAIA_TRANSFORMED i photometry provided for plate design is transformed from Gaia mags.
gri_gaia_transform_flags 10 I_GAIA_OUTSIDE i photometry cannot be calculated from Gaia photometry as it lies outside range of colors for which transforms are defined
gri_gaia_transform_flags 11 I_GAIA_NONE i photometry cannot be calculated for this source
gri_gaia_transform_flags 12 Z_GAIA_TRANSFORMED z photometry provided for plate design is transformed from Gaia mags.
gri_gaia_transform_flags 13 Z_GAIA_OUTSIDE z photometry cannot be calculated from Gaia photometry as it lies outside range of colors for which transforms are defined
gri_gaia_transform_flags 14 Z_GAIA_NONE z photometry cannot be calculated for this source
gri_gaia_transform_flags 15 GAIA_NEIGHBOR bright gaia neighbor close to the star
gri_gaia_transform_flags 16 G_PANSTARRS g photometry provided by PanSTARRS
gri_gaia_transform_flags 17 R_PANSTARRS r photometry provided by PanSTARRS
gri_gaia_transform_flags 18 I_PANSTARRS i photometry provided by PanSTARRS
gri_gaia_transform_flags 19 Z_PANSTARRS z photometry provided by PanSTARRS
gri_gaia_transform_flags 20 POSITION_OFFSET position shifted with respect to center of star (catalogid corresponds to GAIA id)
zwarning_flags 0 SKY_FIBER Sky fiber
zwarning_flags 1 LITTLE_WAVELENGTH_COVERAGE Too little wavelength coverage (WCOVERAGE < 0.18)
zwarning_flags 2 SMALL_DELTA_CHI2 Chi-squared of best fit is too close to that of second best (< 0.01 in reduced chi-squared)
zwarning_flags 3 NEGATIVE_MODEL Synthetic spectrum is negative (only set for stars and QSOs)
zwarning_flags 4 MANY_OUTLIERS Fraction of points more than 5 sigma away from best model is too large (> 0.05)
zwarning_flags 5 Z_FIT_LIMIT Chi-squared minimum at edge of the redshift fitting range (Z_ERR set to -1)
zwarning_flags 6 NEGATIVE_EMISSION A QSO line exhibits negative emission, triggered only in QSO spectra, if C_IV, C_III, Mg_II, H_beta, or H_alpha has LINEAREA + 3 * LINEAREA_ERR < 0
zwarning_flags 7 UNPLUGGED The fiber was unplugged or damaged, and the location of any spectrum is unknown
zwarning_flags 8 BAD_TARGET Catastrophically bad targeting data (e.g. bad astrometry)
zwarning_flags 9 NO_DATA No data for this fiber, e.g. because spectrograph was broken during this exposure (ivar=0 for all pixels)
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