STRUCT       SecFilt_PS1_V2
EXTNAME      DVO_SECFILT_PS1_V2
TYPE         BINTABLE
SIZE         24
DESCRIPTION  DVO SecFilt : Secondary Filter Data 

# elements of data structure / FITS table
FIELD  M,     MAG,      float,                average mag in this band, mags
FIELD  dM,    MAG_ERR,  float,                error on average mag,     mags
FIELD  Xm,    MAG_CHI,  float,                chisq on average mag,     [100*log(value)]
FIELD  flags, FLAGS,    uint32_t,             photometry flags
FIELD  Ncode, NCODE,    short,                number of detections in band
FIELD  Nused, NUSED,    short,                number of detections used in average
FIELD  M_20,  MAG_20,   short,                lower 20percent mag,      millimags
FIELD  M_80,  MAG_80,   short,                upper 20percent mag,      millimags
