# AUTHOR: S. Zibetti
# SOURCE: QC
# DATE: 2014-09-17
# VERSION: 1.0
# COLAPRV: S. Zibetti
# PUBAPRV: None
# COLUMN1 : CALIFAID  ,  int ,  ,  CALIFA ID
# COLUMN2 : NAME  ,  string ,  ,  The name of the galaxy
# COLUMN3 : FLAG_OBS_SKYMAG, short, , Flag for critical sky surface brightness
# COLUMN4 : FLAG_OBS_EXT, short, , Flag for critical atmospheric extinction
# COLUMN5 : FLAG_OBS_AM, short, , Flag for critical airmass
# COLUMN6 : FLAG_OBS_STRAYLIGHT, short, , Flag for critical straylight
# COLUMN7 : FLAG_OBS_DISP, short, , Flag for critical spectral resolution
# COLUMN8 : FLAG_OBS_CDISP, short, , Flag for critical cross-dispersion
# COLUMN9 : FLAG_OBS_SKYLINES, short, , Flag for critical sky subtraction of 5577
# COLUMN10: FLAG_OBS_LIMSB, short, , Flag for critical limiting surface brightness sensitivity
# COLUMN11: FLAG_OBS_SPECPHOTO, short, , Flag for critical spectro-photometric calibration
# COLUMN12: FLAG_OBS_WL, short, , Flag for critical wavelength calibration stability
# COLUMN13: FLAG_OBS_IMA, short, , Flag for critical 2D reconstruction
# COLUMN14: FLAG_13CREG, short, , Flag indicating non-standard 2D registration (old pipeline v1.3c)
# COLUMN15: NOTES, string, , notes


Flag definitions:
-1 = undefined
 0 = OK
 1 = WARNING
 2 = BAD

  - Observing conditions:
     * FLAG_OBS_AM: Airmass 
       * Warning: OBS_AM_MEAN>1.7 OR OBS_AM_MAX>2.0 OR OBS_AM_RMS>0.15
       * Bad: OBS_AM_MEAN>2.0 OR OBS_AM_MAX>2.5
     * FLAG_OBS_SKYMAG: Sky brightness 
       * Warning: OBS_SKYMAG_MEAN <20.5 OR OBS_SKYMAG_RMS>0.1
       * Bad: OBS_SKYMAG_MEAN <19.5
     * FLAG_OBS_EXT: Atmospheric Extinction 
       * Warning: OBS_EXT_MEAN >0.3 OR OBS_EXT_MAX>0.35 OR OBS_EXT_RMS>0.1
       * Bad: never, extinction is not such a secure parameter
  - Instrument/reduction:
     * FLAG_RED_STRAYLIGHT: Straylight
       * Warning: RED_MEANSTRAYLIGHT_MAX >30 OR RED_MAXSTRAYLIGHT_MAX >50 OR RED_RMSSTRAYLIGHT_MAX>5
       * Bad: RED_MEANSTRAYLIGHT_MAX >50 OR RED_MAXSTRAYLIGHT_MAX >100 OR RED_RMSSTRAYLIGHT_MAX >10
     * FLAG_RED_DISP: Spectral Dispersion FWHM
       * Warning: RED_DISP_MEAN >5.5 OR RED_DISP_MAX >10 OR RED_DISP_RMS>0.5
       * Bad: RED_DISP_RMS >1
     * FLAG_RED_CDISP: Cross-dispersion FWHM
       * Warning: RED_CDISP_MEAN >3 OR RED_CDISP_MAX >=4 OR RED_CDISP_RMS>0.25
       * Bad: never
     * FLAG_RED_SKYLINES: Skyline residuals after sky subtraction 
       * Warning: RED_RES5577_MIN< -0.1 OR RED_RES5577_MAX>0.1 OR RED_RES5577_RMS>1
     * FLAG_RED_LIMSB: Limiting surface brightness 
       * Warning: RED_LIMSB <23.25 mag_V arcsec^-2
       * Bad: RED_LIMSB <22.50 mag_V arcsec^-2
  - Spectrophotometry: 
     * FLAG_CAL_SPECPHOTO: One flag combining mean flux ratio, g-ratio, r-ratio and visual checks on the SED
       * Warning: CAL_QFLUX_G > 0.06dex OR CAL_QFLUX_G < -0.06dex OR CAL_QFLUX_R > 0.06dex OR CAL_QFLUX_R < -0.06dex OR CAL_QFLUX_RMS >0.1 OR any warning from the F_S_SHAPE or F_S_PHOT_* flags in the QCVC according to the second-to-worst classification
       * Bad: CAL_QFLUX_G > 0.097dex OR CAL_QFLUX_G < -0.097dex OR CAL_QFLUX_R > 0.097dex OR CAL_QFLUX_R < -0.097dex OR CAL_QFLUX_RMS >0.2 OR any "bad" from the F_S_SHAPE or F_S_PHOT_SDSS_G or F_S_PHOT_SDSS_R flags in the QCVC according to the second-to-worst classification
  - Wavelength calibration: 
    * FLAG_CAL_WL
      * Warning: CAL_RMSVELMEAN > 2
      * Bad: CAL_RMSVELMEAN > 5
  - Image reconstruction and registration:
     * FLAG_CAL_IMA: flag combining registration chi2 and visual checks
       * Warning: CAL_CHI2REG_MAX > 10 OR any warning from QCVC concerning overall registration or image quality, according to the median classification
       * Bad: bad from QCVC concerning overall registration or image quality, according to the median classification
  - FLAG_13CRED: 1 if the old registration procedure (pipe v1.3c) has been adopted instead of the new one (pipe>=v1.4), otherwise 0