| Table 1. Sample FITS header |
| |
| SIMPLE |
= |
T |
|
/ |
STANDARD FITS FORMAT |
| BITPIX |
= |
16 |
|
/ |
2 BYTE TWOS-COMPL INTEGERS |
| NAXIS |
= |
3 |
|
/ |
NUMBER OF AXES |
| NAXIS1 |
= |
1584 |
|
/ |
NZ = Z GRID DIMENSION |
| NAXIS2 |
= |
1584 |
|
/ |
NY = Y GRID DIMENSION |
| NAXIS3 |
= |
1 |
|
/ |
# WAVELENGTHS |
| BLOCKED |
= |
T |
|
/ |
TAPE MAY BE BLOCKED |
| COMMENT |
|
********************* |
| COMMENT |
|
*** FLUX DENSITY ** |
| COMMENT |
|
********************* |
| BSCALE |
= |
1.471550E-03 |
|
/ |
TRUE=TAPE*BSCALE + BZERO |
| BZERO |
= |
0.0 |
|
| BUNIT |
= |
'JY ' |
|
/ |
FLUX DENSITY |
| BLANK |
= |
-32768 |
|
/ |
TAPE VALUE FOR EMPTY CELL |
| CRVAL1 |
= |
2.999998E+01 |
|
/ |
RA AT ORIGIN (DEGREES) |
| CRPIX1 |
= |
793. |
|
/ |
Z-AXIS ORIGIN (CELL) = (NZ/2)+1 |
| CTYPE1 |
= |
'RA---SIN' |
|
/ |
DECREASES IN VALUE AS SAMPLE INDEX |
| COMMENT |
INCREASES (ORTHOGRAPHIC PROJECTION) |
| CDELT1 |
= |
-4.166666E-03 |
|
/ |
Z-GRID CELL WIDTH (DEGREES) |
| CROTA1 |
= |
0.0 |
|
/ |
TWIST ANGLE UNDEFINED FOR Z-AXIS |
| CRVAL2 |
= |
-4.999991E+00 |
|
/ |
DEC AT ORIGIN (DEGREES) |
| CRPIX2 |
= |
793. |
|
/ |
Y-AXIS ORIGIN (CELL)= (NY/2)+1 |
| CTYPE2 |
= |
'DEC--SIN' |
|
/ |
INCREASES IN VALUE AS LINE INDEX |
| COMMENT |
INCREASES (ORTHOGRAPHIC PROJECTION) |
| CDELT2 |
= |
4.166666E-03 |
|
/ |
Y-GRID CELL WIDTH (DEGREES) |
| CROTA2 |
= |
0.0 |
|
/ |
ROTATES +NAXIS2 INTO +DEC AXIS (ANGLE |
| COMMENT |
MEASURED POSITIVE CCW FROM +NAXIS2 TO |
| COMMENT |
+DEC) (DEGREES) |
| CRVAL3 |
= |
1.2E-05 |
|
/ |
WAVELENGTH IN METERS |
| CRPIX3 |
= |
1. |
|
| CTYPE3 |
= |
'LAMBDA ' |
|
| CDELT3 |
= |
0. |
|
| CROTA3 |
= |
0. |
|
| DATAMAX |
= |
1.366922E+01 |
|
/ |
JY (TRUE VALUE) |
| DATAMIN |
= |
-2.913668E-01 |
|
/ |
JY (TRUE VALUE) |
| COMMENT |
|
NO. OF EMPTY CELLS = 0 |
| NCF |
= |
9.965854E-01 |
|
/ |
NOISE CORRECTION FACTOR |
| EPOCH |
= |
1950. |
|
/ |
EME50 |
| DATE-OBS |
= |
' 0/ 0/83' |
|
/ |
DATE OF OBSERVATION (DD/MM/YY) |
| DATE |
= |
' 4/10/88' |
|
/ |
DATE THIS TAPE WRITTEN (DD/MM/YY) |
| ORIGIN |
= |
'IPAC ' |
|
/ |
INSTITUTION:INFRARED PROCESSING AND |
| COMMENT |
ANALYSIS CENTER; |
| COMMENT |
MAIL CODE:100-22 CALTECH |
| TELESCOP |
= |
'IRAS ' |
|
| INSTRUME |
= |
'FSS ' |
|
| COMMENT |
FSSID = FSPP |
| FSSPLATE |
= |
757. |
|
/ |
FSS PLATE NO. |
| DATE-CR |
= |
'73290756' |
|
/ |
FSS PLATE FILE CREATION DATE(YDDDHHMM) |
| PLTNOISE |
= |
2.943097E-02 |
|
/ |
EST. PLATE MEDIAN NOISE (JY) |
| HISTORY |
CALFAC USED = 0.995 * 7.418E+12 |
| COMMENT |
GRID TWIST = 1.800000E+02 (DEG) MEAS-COMMENT |
| |
URED FROM SOUTH TO +Y, CW IS POSITIVE. |
| COMMENT |
GAIN NORM. USED = 1.400000E+00 |
| COMMENT |
MFILT = 23 |
| COMMENT |
KFILT = -1 |
| OBJECT |
= |
'MD4F10 ' |
|
/ |
PLATE LABEL |
| COMMENT |
CMOON= 5.898375E+01 DEG.; MIN. CONE |
| COMMENT |
ANGLE OF MOON. |
| COMMENT |
CJUP = 1.372079E+02 DEG.; MIN. CONE |
| COMMENT |
ANGLE OF JUPITER. |
| COMMENT |
CSAT = 1.611698E+02 DEG.; MIN. CONE |
| COMMENT |
ANGLE OF SATURN. |
| COMMENT |
CMARS= 7.435899E+01 DEG.; MIN. CONE |
| COMMENT |
ANGLE OF MARS. |
| COMMENT |
MAX/MIN UNCERTAINTIES ON IN-SCAN |
| COMMENT |
BORESIGHT POSITION = |
| COMMENT |
5.839935E+01/ 1.968169E+00 ARC SEC. |
| COMMENT |
|
| COMMENT |
MAX/MIN UNCERTAINTIES ON CROSS-SCAN |
| COMMENT |
BORESIGHT POSITION = |
| COMMENT |
2.695137E+01/ 8.007517E+00 ARC SEC. |
| COMMENT |
|
| COMMENT |
PROGRAM VERSION AND COMPILATION DATE |
| COMMENT |
(MM/DD/YY): M-P0.99 11/02/87. |
| COMMENT |
NUMBER OF IN-TOLERANCE FRAMES = 8902. |
| COMMENT |
REFERENCES: |
| COMMENT |
IRAS SDAS SOFTWARE INTERFACE SPECIFICATION(SIS) #623-94/NO. FS01 |
| COMMENT |
EXPLANATORY SUPPLEMENT TO THE IRAS FAINT SOURCE SURVEY (NOV.1988) |
| COMMENT |
ASTRON. ASTROPHYS. SUPPL. SER. 44,(1981) 363-370(RE:FITS) |
| END |
