Description of the SWAN FITS Files Headers

SWAN data are stored in FITS files. Example of a file header:
SIMPLE = T /Written by IDL: 13-Apr-2000 20:16:14.00
BITPIX = 8 /
NAXIS = 0 /
EXTEND = T /File contains extensions
INSTRUME= 'SWAN ' /
DETECTOR= 'BOTH ' /
OBJECT = 'Full Sky' /
OBJ_ID = 'Full Sky' /
OBS_TYPE= 'Scan ' /
DATE_OBS= ' 4-1-2000 21:02:06' /
DATE_END= ' 5-1-2000 22:38:54' /
DATE = 'Thu Apr 13 20:16:10 2000' /
LEVEL = 'Level 1 ' /
FILENAME= 'fsky000104.fits' /
STUDY_ID= 1 /
STUDY_NA= 'Full Sky' /
CMP_NO = 0 /
CMP_NAME= 'None ' /
COORDSYS= 'Ecliptic Coordinate' /
COORDUNI= 'Degrees ' /
XCEN = 178.603 /
YCEN = 34.0915 /
IXWIDTH = 355.874 /
IYWIDTH = 99.5984 /
WAVELENG= 121.560 /
EXPTIME = 13.0000 /
EXPCOUNT= 1 /
SW_CDSEQ= 0 /Level Zero CD-ROm Sequence Number
SW_CDVOL= 0 /Level Zero CD-ROM Volume Number
SW_LZ_FI= 'RAW SC FILE not found ' /Level Zero FileName
SW_OBSVA= 1 /Swan Observation Valid 0-no 1-yes
SW_NPACK= 4192 /Number of packets in the file
SW_O_ST1= 2000 /Swan Outer motor start SU+Z
SW_O_E1 = 9600 /Swan Outer motor End SU+Z
SW_O_SP1= 100 /Swan Outer motor Step SU+Z
SW_I_ST1= 2400 /Swan Inner motor start SU+Z
SW_I_E1 = 9600 /Swan Inner motor End SU+Z
SW_I_SP1= 100 /Swan Inner motor step SU+Z
SW_O_ST2= 2400 /Swan Outer motor start SU-Z
SW_O_E2 = 9600 /Swan Outer motor End SU-Z
SW_O_SP2= 100 /Swan Outer motor Step SU-Z
SW_I_ST2= 2400 /Swan Inner motor start SU-Z
SW_I_E2 = 9600 /Swan Inner motor End SU-Z
SW_I_SP2= 100 /Swan Inner motor Step SU-Z
SW_HV_L1= 110 /Swan High Voltage Level SU+Z
SW_HV_L2= 140 /Swan High Voltage Level SU-Z
SW_HC_L1= 0 /Swan Hydrogen Cellul Level SU+Z
SW_HC_L2= 0 /Swan Hydrogen Cellul Level SU-Z

Last updated on Wed, Sep 14, 2005 SF