extension_header.header 5.7 KB
Newer Older
Xin Zhang's avatar
Xin Zhang committed
1
XTENSION= 'IMAGE   '           / Image extension                                BITPIX  =                   16 / array data type                                NAXIS   =                    2 / number of array dimensions                     NAXIS1  =                 9216 / length of first array axis                     NAXIS2  =                 9232 / length of second array axis                    PCOUNT  =                    0                                                  GCOUNT  =                    1                                                  EXTNAME = 'SCI     '                                                            EXTVER  =                    1                                                  BSCALE  =                    1                                                  BZERO   =                32768                                                  BUNIT   = 'ADU     '                                                            COMMENT ==================================================================      COMMENT CCD chip information                                                    COMMENT ==================================================================      NCHAN   =                   16 / Number of readout channels                     NCHAN1  =                    8 / Number of horizintal channels                  NCHAN2  =                    2 / Number of virtical channels                    DETSIZE = '[1:9216:9232]'      / detector size                                  BIASSEC = '[9216:9217,9232:9234]' / bias section                                CCDCHIP =                    6 / CCD chip ID                                    CCDLABEL= 'y-1     '           / CCD chip label                                 PSCAN1  =                   27 / horizontal prescan width                       PSCAN2  =                    8 / virtical prescan height                        OSCAN1  =                   16 / horizontal overscan width                      OSCAN2  =                    8 / virtical overscan height                       FILTER  = 'y       '           / filter name                                    COMMENT ==================================================================      COMMENT WORLD COORDINATE SYSTEM AND RELATED PARAMETERS                          COMMENT ==================================================================      WCSDIM  =                    2 / Number of World Coordinate System axes         EQUINOX =               2000.0 / Epoch (year)                                   CRPIX1  =             -10017.0 / Coordinate reference pixel of x                CRPIX2  =              24876.0 / Coordinate reference pixel of y                CRVAL1  =            62.228226 / Coordinate reference value of x                CRVAL2  =           -42.316932 / Coordinate reference value of y                CTYPE1  = 'RA---TAN'           / the coordinate type                            CTYPE2  = 'DEC--TAN'           / the coordinate type                            CD1_1   = 1.88602083707394E-05 / partial of first axis coordinate of x          CD2_1   = -8.1745583617600E-06 / partial of first axis coordinate of y          CD1_2   = 8.17455836176000E-06 / partial of second axis coordinate of x         CD2_2   = 1.88602083707394E-05 / partial of second axis coordinate of y         POS_ANG =                 30.0 / Positon angle of detector array                COMMENT ==================================================================      COMMENT Readout information                                                     COMMENT ==================================================================      GAIN1   =                  1.1 / CCD gain                                       RDNOISE1=                  5.0 / read noise                                     READTIME=                 40.0 / read time (sec)                                RDSPEED =                 10.0 / read speed (in MHz)                            CHIPTEMP=               -100.0 / chip temperature (in K)                        COMMENT ==================================================================      COMMENT Other information                                                       COMMENT ==================================================================      CHECKSUM= '''abcde'''          / SHA256 checksum of global headers              END