Instrument: HIGH SPEED PHOTOMETER Revised: 25-AUG-93
File Type: SCIENCE DATA HEADER
SIMPLE = F image conforms to the fits standard L1
BITPIX = 32 bits per data value I2
DATATYPE= REAL*4 datatype of the array C10
NAXIS = 1 number of data axes I2
NAXIS1 = length of 1st data axis I4
GROUPS = T image is in group format L1
GCOUNT = 1 number of groups I2
PCOUNT = 10 number of group parameters I2
PSIZE = 448 bits in the group parameter block I2
/ GROUP PARAMETERS: OSS
PTYPE1 = CRVAL1 time at reference pixel-first packet time C08
PDTYPE1 = REAL*8 (Modified Julian Date) C18
PSIZE1 = 64 I2
PTYPE2 = CRPIX1 pixel number of reference pixel C08
PDTYPE2 = REAL*4 C18
PSIZE2 = 32 I2
PTYPE3 = CD1_1 time increment between pixels (seconds) C08
PDTYPE3 = REAL*4 C18
PSIZE3 = 32 I2
PTYPE4 = DATAMIN minimum data value in the group C08
PDTYPE4 = REAL*4 C18
PSIZE4 = 32 I2
PTYPE5 = DATAMAX maximum data value in the group C08
PDTYPE5 = REAL*4 C18
PSIZE5 = 32 I2
PTYPE6 = FILLCNT number of segments containing fill C08
PDTYPE6 = INTEGER*4 C18
PSIZE6 = 32 I2
PTYPE7 = ERRCNT number of segments containing errors C08
PDTYPE7 = INTEGER*4 C18
PSIZE7 = 32 I2
PTYPE8 = FPKTTIME the time of the first packet C08
PDTYPE8 = REAL*8 (Modified Julian Date) C18
PSIZE8 = 64 I2
PTYPE9 = LPKTTIME the time of the last packet C08
PDTYPE9 = REAL*8 (Modified Julian Date) C18
PSIZE9 = 64 I2
PTYPE10 = CTYPE1 the first coordinate type C08
PDTYPE10= CHARACTER*8 C18
PSIZE10 = 64 I2
/ HSP DATA DESCRIPTOR KEYWORDS
INSTRUME= HSP instrument in use C04 exp
ROOTNAME= rootname of the observation set C12 master
FILETYPE= shp, udl, dst, dsk, ast, ask, asd, asa C03
BUNIT = COUNTS brightness units: COUNTS or DN (analog data) C18
/ CALIBRATION FLAGS AND INDICATORS
MODE = instrument mode SCP, SSP, ARS C03 master
DETECTOB= detector in use (0-5) - object data I2 master
DETECTSK= detector in use (0-5) - sky data I2 master
PTSRCFLG= point source flag (P=point, E=extended) C01
APERTOBJ= aperture in use - object data C10 master
APERTSKY= aperture in use - sky data C10 master
/ CALIBRATION SWITCHES: perform,omit,complete
DET_CHR = retrieve detector characteristics C08
DEADTIME= deadtime correction C08
TRUE_CNT= compute the true count rates C08
TRUE_PHC= compute the true photocurrents C08
/ CALIBRATION KEYWORDS
DATA_TYP= data type: digital, analog C07 master
DATA_SRC= data source: star, sky, area scan C09 master
DATA_FMT= data format: byte, word, lwrd, alog, all C04 master
WORDS = number of HSP samples in a line I2
LINES = number of lines in a group I4
INT_TIME= time of integration (in 1/1.024 microseconds) I4
TIMEBIAS= instrument time bias (in 1/1.024 microseconds) I4
SAMPTIME= time of integration (in seconds) R4 master
DELAY = delay between integrations (seconds) R4 master
DETECTOR= detector used for this file I2
APERTURE= name of the aperture used for this file C10
PA_APER = position ang of aperture used with target (deg) R4
APERAREA= aperature area R4
BDEXPFLG= bus director expander flag I2 master
PT_EFFIC= scaled point source cathode efficiency R4
EX_EFFIC= scaled extended source cathode efficiency R4
DARKRATE= scaled cathode dark rate R4
PRE_AMP = scaled tube pre-amp contribution R4
HIGHVOLT= scaled high voltage factor R4
TUBEGAIN= scaled tube gain factor R4
DEADTM = deadtime R4
CVCOFSET= scaled CVC offset R4
VGAIND = gain setting I2 master
/ CALIBRATION TABLE NAMES
CCP0 = aperture area table name C18 master
CCP1 = high voltage factor table name C18 master
CCP2 = gain factor table name C18 master
CCP3 = pre-amplifier noise table name C18 master
CCP4 = relative sensitivity table name C18 master
CCP5 = dark signal table name C18 master
CCP7 = CVC offset table name C18 master
CCP8 = dead time table name C18 master
CCP9 = dark aperture translation table name C18 master
/ PHOTOMETRY KEYWORDS
GRAPHTAB= the HST graph table C18
COMPTAB = the HST components table C18
PHOTMODE= Photometric Mode C08
PHOTFLAM= 0.0 Inverse Sensitivity R4
PHOTZPT = 0.0 Zero Point R4
PHOTPLAM= 0.0 Pivot Wavelength R4
PHOTBW = 0.0 RMS Bandwidth of the Filter R4
/ STATISTICAL KEYWORDS
DATE = date this file was written (dd/mm/yy) C08
PODPSFF = 0=(no podps fill); 1=(podps fill present) I2
STDCFFF = 0=(no st dcf fill); 1=(st dcf fill present) I2
STDCFFP = st dcf fill pattern (hex) C04
/ APERTURE POSITION
RA_APER = right ascension of the aperture (deg) R8 master
DEC_APER= declination of the aperture (deg) R8 master
/ EXPOSURE INFORMATION
EQUINOX = J2000 equinox of the celestial coordinate system C08 exp
SUNANGLE= angle between sun and V1 axis (deg) R4 exp
MOONANGL= angle between moon and V1 axis (deg) R4 exp
SUN_ALT = altitude of the sun above Earth's limb (deg) R4 exp
FGSLOCK = commanded FGS lock (FINE,COARSE,GYROS,UNKNOWN) C07 exp
DATE-OBS= UT date of start of observation (dd/mm/yy) C08 exp
TIME-OBS= UT time of start of observation (hh:mm:ss) C08 exp
EXPSTART= exposure start time (Modified Julian Date) R8 exp+ma
EXPEND = exposure end time (Modified Julian Date) R8 exp
EXPTIME = exposure duration (seconds)--calculated R4 exp+ma
EXPFLAG = Exposure interruption indicator C13 exp
/ TARGET & PROPOSAL ID
TARGNAME= proposer's target name C30 exp
RA_TARG = right ascension of the target (deg) (J2000) R8 exp
DEC_TARG= declination of the target (deg) (J2000) R8 exp
PROPOSID= PEP proposal identifier I4 all
PEP_EXPO= PEP exposure identifier including sequence C15 all
LINENUM = PEP proposal line number C15 exp
SEQLINE = PEP line number of defined sequence C15 exp
SEQNAME = PEP define/use sequence name C15 exp
END
