Header for Sky Plate Intensity
SIMPLE = T / STANDARD FITS FORMAT
BITPIX = 32 / 4 BYTE TWOS COMPL INTEGER
NAXIS = 3 / NUMBER OF AXES
NAXIS1 = nn / # SAMPLES PER LINE (FASTEST VARY INDEX)
NAXIS2 = mm / # LINES OF DATA IN IMAGE FILE
NAXIS3 = 1 / # WAVELENGTHS
BSCALE = S.ssssssE-ee / TRUE=TAPE*SCALE+BZERO
BZERO = 0.0 /
BUNIT = 'JY/SR' / INTENSITY
BLANK = -2000000000 / TAPE VALUE FOR EMPTY PIXEL
CRVAL1 = DD.dd / RA AT ORIGIN (DEGREES)
CRPIX1 = xxx. / SAMPLE AXIS ORIGIN (PIXEL)
CTYPE1 = 'RA--TAN' / DECREASES IN VALUE AS SAMPLE INDEX
COMMENT INCREASES (GNOMONIC PROJECTION
CDELT1 = -3.333333E-02 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON SAMPLE AXIS
CRVAL2 = DD.dd / DEC AT ORIGIN (DEGREES)
CRPIX = yyy. / LINE AXIS ORIGIN (PIXEL)
CTYPE2 = 'DEC--TAN' / DECREASES IN VALUE AS LINE INDEX
COMMENT INCREASES (GNOMONIC PRJECTION)
CDELTA2 = -3.333333E-02 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON LINE AXIS
CRVAL3 = zzzE-6 / WAVELENGTH IN METERS
CRPIX3 = 1.
CTYPE3 = 'LAMBDA '
CDELT3 = 0.
DATAMIX = D.ddddddE ee / JY/SR (TRUE VALUE)
DATAMIN = D.ddddddE ee / JY/SR (TRUE VALUE)
EPOCH = 1950. / EME.50
DATE-MAP = '01/11/84' / MAP RELEASE DATE
DATE = 'DD/MM/YY' / DATE THIS TAPE WRITTEN
ORIGIN = 'JPL-IRAS' / INSTITUTION
TELESCOP = 'IRAS'
INSTRUME = 'SKYPLATE' / IRAS SKY PLATE
OBJECT = 'PLnnn Hn' / PLATE NUMBER/ HCON
PROJTYE = 'GNOMONIC' / PROJECTION TYPE
COMMENT MINSOP = MMM; MAXSOP = NNN
COMMENT LOGTAG = VSFLOG(7.6)
COMMENT GEOMTAG = GEOM(7.5)
COMMENT
COMMENT PROJECTION FORMULAE:
COMMENT FORWARD FORMULA; RA0 AND DEC0 ARE THE PLATE CENTER
COMMENT R2D = 45./ ATAN(1.)
COMMENT PIX = 30.
COMMENT A = COS(DEC) * COS(RA0 - RA)
COMMENT F = PIX * R2D/(SIN(DEC0) * SIN(DEC) + A * COS(DEC0))
COMMENT SAMPLE = -F * COS(DEC) * SIN(RA-RA0)
COMMENT XLINE = -F * (COS(DEC0) * SIN(DEC) - A * SIN(DEC0))
COMMENT
COMMENT INVERSE FORMULA; REQUIRES ARCSINE
X-5l
COMMENT X = SAMPLE/ (PIX * R2D)
COMMENT Y = LINE/ (PIX * R2D)
COMMENT DELTA = ATAN(SQRT(X*X + Y*Y))
COMMENT BETA = ATAN2(-X,Y)
COMMENT DEC = ASIN(SIN(DEC0)*COS(DELTA)-COS(DEC0)*SIN(DELTA)*COS(BETA))
COMMENT XX = SIN(DEC0)*SIN(DELTA)*COS(BETA)+COS(DEC0)*COS(DELTA)
COMMENT YY = SIN(DELTA)*SIN(BETA)
COMMENT RA = RA0 + ATAN2(YY,XX)
COMMENT REFERENCES:
COMMENT IRAS SDAS SOFTWARE INTERFACE SPECIFICATION(SIS) #623-94/NO.SF05
COMMENT ASTRON. ASTROPHYS. SUPPL. SER. 44,(1981) 363-370 (RE:FITS)
COMMENT RECONCILIATION OF FITS PARMS W/SIS SF05 PARMS:
COMMENT NAXIS1 = (ES - SS + 1); NAXIS2 = (EL - SL + 1);
COMMENT CRPIX1 = (1 - SS); CRPIX2 = (1 - SL)
END
Header for 16.5 deg Image Weight
SIMPLE = T / STANDARD FITS FORMAT
BITPIX = 16 / 2 BYTE TWOS COMPL INTEGER
NAXIS = 3 / NUMBER Of AXES
NAXIS1 = nn / # SAMPLES PER LINE (FASTEST VARY INDEX
NAXIS2 = mm / # LINES OF DATA IN IMAGE FILE
NAXIS3 = 1 / # WAVELENGTHS
BSCALE = 1. / TRUE=TAPE*SCALE+BZERO
BZERO = 0.0 /
BUNIT = ' ' / STATISTICAL WEIGHT
BLANK = 0 / TAPE VALUE FOR EMPTY PIXEL
CRVAL1 = DD.dd / RA AT ORIGIN (DEGREES)
CRPIX1 = xxx. / SAMPLE AXIS ORIGIN (PIXEL)
CTYPE1 = 'RA--TAN' / DECREASES IN VALUE AS SAMPLE INDEX
COMMENT INCREASES (GNOMONIC PROJECTION)
CDELT1 0= -3.333333E-02 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON SAMPLE AXIS
CRVAL2 = DD.dd / DEC AT ORIGIN (DEGREES)
CRPIX2 = ny. / LINE AXIS ORIGIN (PIXEL)
CTYPE2 = 'DEC--TAN' / DECREASES IN VALUE AS LINE INDEX
COMMENT INCREASES (GNOMONIC PROJECTION)
CDELTA2 = -3.333333E-02 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON LINE AXIS
CRVAL3 = z.zzE-6 / WAVELENGTH IN METERS
CRPIX3 = 1.
CTYPE3 = 'LAMBDA '
CDELT3 = 0.
DATAMAX = D.ddddddE ee / DIMENSIONLESS
DATAMIN = D.ddddddE ee / DIMENSIONLESS
EPOCH = 1950. / EME50O
DATE-MAP = '01/11/84' / MAP RELEASE DATE
DATE = 'DD/MM/YY' / DATE THIS TAPE WRITTEN
ORIGIN = 'JPL-IRAS' / INSTITUTION
TELESCOPE = 'IRAS '
INSTRUME = 'SKYPLATE' / IRAS SKY PLATE
OBJECT = 'PLnnn Hn' / PLATE NUMBER/ HCON
PROJTYPE = 'GNOMONIC' / PROJECTION TYPE
COMMENT MINSOP = MMM; MAXSOP = NN
COMMENT LOGTAG = VSFLOG(7.8)
COMMENT GEOMTAG = GEOM (7.5)
COMMENT
COMMENT PROJECTION FORMULAE:
COMMENT FORWARD FORMULA; RAO AND DEC0 ARE THE PLATE CENTER
COMMENT R2D = 45. / ATAN(l.)
COMMENT PIX = 30.
COMMENT A = COS(DEC) * COS(RA0 - RA)
COMMENT F = PIX * R2D/ (SM(DEC0) * SIN(DEC) + A * COS(DEC0))
COMMENT SAMPLE = -F * COS(DEC) * SIN(RA-RA0)
COMMENT XLINE = -F * (COS(DEC0) - SIN(DEC), A * SIN(DEC0))
COMMENT
COMMENT INVERSE FORMULA; REQUIRES ARCSINE
COMMENT X = SAMPLE/ (PIX * R2D)
COMMENT Y = LINE/ (PIX * R2D)
COMMENT DELTA = ATAN(SQRT(X*X + Y*Y))
X-53
COMMENT BETA = ATAN2(-X,Y)
COMMENT DEC = ASIN(SIN(DEC0)*COS(DELTA)-COS(DEC0)*SIN(DELTA)*COS(BETA))
COMMENT XX = SIN(DEC0)*SIN(DELTA)*COS(BETA)+COS(DEC0)*COS(DELTA)
COMMENT YY = SIN(DELTA)*SIN(BETA)
COMMENT RA = RA0 + ATAN2(YY,XX)
COMMENT REFERENCES:
COMMENT IRAS SDAS SOFTWARE INTERFACE SPECIFICATION(SIS) #623-94/NO. SF05
COMMENT ASTRON. ASTROPHYS. SUPPL. SER. 44,(1981) 363-370 (RE:FITS)
COMMENT RECONCILIATION OF FITS PARMS W/SIS SFO5 PARMS:
COMMENT NAXIS1 = (ES - SS + 1); NAXIS2 = (EL - SL + 1);
COMMENT CRPIX1 = (1 - SS); CRPIX2 = (1 - SL)
END
X-54
Header for Galactic Plane Fields
SIMPLE = T / STAMDARD FITS FORMAT
BITPIX = 32 / 4 BYTE TWOS COMPL INTEGER
NAXIS = 3 / NUMBER OF AXES
NAXIS1 = nn / # SAMPLES PER LINE (FASTEST VARY INDEX)
NAXIS2 = mm / # LINES OF DATA IN IMAGE FILE
NAXIS3 = 1 / # WAVELENGTHS
BSCALE = S.SSSSSSEee / TRUE=TAPE*SCALE+BZERO
BZERO = 0.0 /
BUNIT = 'JY/SR' / INTENSITY
BLANK = - 2000000000 / TAPE VALUE FOR EMPTY PIXEL
CRVAL1 = DD.dd / GALACTIC LONGITUDE AT ORIGIN (DEGREES)
CRPIX1 = xxx. / SAMPLE AXIS ORIGIN (PIXEL)
CTYPE1 = 'GLON ' / DECREASES IN VALUE AS SAMPLE INDEX
COMMENT INCREASES (LAMBERT EQUIVALENT)
COMMENT CYLINDRICAL PROJECTION)
CDELT1 = -3.333333E-02 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON SAMPLE AXIS
CRVAL2 = 0.0 / GALACTIC LATITUDE AT ORIGIN (DEGREES)
CRPIX2 = yyy. / LINE AXIS ORIGIN (PIXEL)
CTYPE2 = 'GLAT-SIN' / DECREASES IN VALUE AS LINE INDEX
COMMENT INCREASES (LAMBERT EQUIVALENT
COMMENT CYLINDRICAL PROJECTION
CDELTA2 = -3.333333E-02 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON LINE AXIS
CRVAL3 = zzzE-6 / WAVELENGTH IN METERS
CRPIX3 = 1.
CTYPE3 = 'LAMBDA '
CDELT3 = 0.
DATAMAX = D.ddddddE ee / JY/SR (TRUE VALUE)
DATAMIN = D.ddddddE ee / JY/SR (TRUE VALUE)
EPOCH = 1950. / EME5O
DATE-MAP = '01/11/84' / MAP RELEASE DATE
DATE = 'DD/MM/YY' / DATE THIS TAPE WRITTEN
ORIGIN = 'JPL-IRAS' / INSTITUTION
TELESCOP = 'IRAS '
INSTRUME = 'GALPLANE' / IRAS GALACTIC PLANE
OBJECT = 'GPLnn Hn' / GALACTIC PLANE PLATE NUMBER/ HCON
PROJTYPE = 'LAMBECYL' / PROJECTION TYPE
COMMENT
COMMENT PROJECTION FORMULAE:
COMMENT FORWARD FORMULA; XLONG IS THE LONGITUDE OF PLATE CENTER
COMMENT R2D = 45./ ATAN(1.)
COMMENT PIX = 30.
COMMENT XLINE = -SIN(XLAT) * PIX * R2D
COMMENT SAMPLE = (XLON - XLON0) * PIX
COMMENT
COMMENT INVERSE FORMULA; ARCSINE IS REQUIRED
COMMENT XLON = XLON0 - SAMPLE / PIX
COMMENT XLAT = -ASIN(XLINE / (PIX * R2D))
COMMENT REFERENCES:
COMMENT IRAS SDAS SOFTWARE INTERFACE SPECIFICATION(SIS) #623-94/N0. SFO5
COMMENT ASTRON. ASTROPHYS. SUPPL. SER. 44,(1981) 363-370 (RE:FITS)
X-55
COMMENT RECONCILIATION OF FITS PARMS W/ SIS SFO5 PARMS:
COMMENT NAXIS1 = (ES - SS + 1); NAXIS2 = (EL - SL + 1);
COMMENT CRPIX1 = (1 - SS) CRPIX2 = ( 1 - SL)
X-56
Header fOr Low-Resolution All-Sky Image (Galactic Center)
SIMPLE = T / STANDARD FITS FORMAT
BITPIX = 32 / 4 BYTE TWOS COMPL INTEGERS
NAXIS = 3 / NUMBER OF AXES
NAXIS1 = nn / # SAMPLES PER LINE (FASTEST VARY NDEX)
NAXIS2 = mm / # LINES OE DATA IN IMAGE FILE
NAXIS3 = 1 / # WAVELENGTHS
BSCALE = S.ssssssE-ee / TRUE=TAPE*SCALE+BZERO
BZERO = 0.0 /
BUNIT = 'JY/SR' / INTENSITY
BLANK = -2000000000 / TAPE VALUE FOR EMPTY PIXEL
CRVAL1l = DD.dd / GALACTIC LONGITUDE AT ORIGIN (DEGREES)
CRPIX1 = xxx. / SAMPLE AXIS ORIGIN (PIXEL)
CTYPE1 = 'LON-AFT' / DECREASES IN VALUE AS SAMPLE INDEX
COMMENT INCREASES (AITOFF PROJECTION)
CDELTA1 = 'LON-AFT ' 0.5 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON SAMPLE AXIS
CRVAL2 = 0.0 / GALACTIC LATITUDE AT ORIGIN (DEGREES)
CRPIX2 = yyy. / LINE AXIS ORIGIN (PIXEL)
CTYPE2 = 'LAT-ATF' / DECREASES IN VALUE AS LINE INDEX
COMMENT INCREASES (AITOFF PROJECTION)
CDELT2 = 'LAT-AFT' -0.5 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON LINE AXIS
CRVAL3 = z.zzE-6 / WAVELENGTH IN METERS
CRPIX3 = 1.
CTYPE3 = 'LAMBDA '
CDELT3 = 0.
DATAMAX = D.ddddddE ee / JY/SR (TRUE VALUE)
DATAMIN = D.ddddddE ee / JY/SR (TRUE VALUE)
EPOCH = 1950. / EME5O
DATE-MAP = 'O1/11/84' / MAP RELEASE DATE
DATE = 'DD/MM/YY' / DATE THIS TAPE WRITTEN
ORIGIN = 'JPL-IRAS' / INSTITUTION
INSTRUME = 'ALL SKY' / IRAS LOW RES ALL-SKY
OBJECT = 'CENTER n' / ALLLSKY GALACTIC CENTER/ HCON
PROJTYPE = 'AITOFF ' / PROJECTION TYPE
COMMENT MINSOP = MMM; MAXSOP = NNN
COMMENT
COMMENT PROJECTION FORMULAE:
COMMENT FORWARD FORMULA; XLONO IS THE CENTER LONGITUDE OF THE
COMMENT MAP. ARC-SINE AND ARC-COSINE FUNCTIONS ARE REQUIRED.
COMMENT R2D = 45. / ATAN(1.)
COMMENT PIX = 2.
COMMENT RHO = ACOS( COS(XLAT) * COS((XLON-XLON0)2.))
COMMENT THEATA = ASIN( COS(XLAT) * SIN((XLON-XLON0)/2.)/ SIN(RHO))
COMMENT F = 2. * PIX * R2D * SIN(RHO/2.)
COMMENT SAMPLE = -2. * F * SIN(THETA)
COMMENT XLINE = -F * COS(THETA)
COMMENT IF(XLAT.LT. 0.) XLINE = -XLINE
COMMENT
COMMENT REVERSE FORMULA; XLON0 IS THE CENTER LONGITUDE OF THE MAP.
COMMENT ARC-SINE AND ARC-COSINE FUNCTIONS NEEDED.
COMMENT R2D = 45./ ATAN(1.)
X-57
COMMENT PIX = 2.
COMMENT Y = -XLINE/ (PIX * 2. * R2D)
COMMENT X = -SAMPLE/ (PIX * 2. * R2D)
COMMENT A = SQRT(4.-X*X-4.*Y*Y)
COMMENT XLAT = R2D * ASIN(A*Y)
COMMENT XLON = XLON0 + 2. * R2D * ASIN(A*X/(2.*COS(XLAT)))
COMMENT
COMMENT REFERENCES:
COMMENT IRAS SDAS SOFTWARE INTERFACE SPECIFICATION(SIS) #623-94N0. SF05
COMMENT ASTRON. ASTROPHYS. SUPPL. SER. 44,(1981) 363-370 (RE:FITS)
COMMENT RECONCILIATION OF FITS PARMS W/ SIS Ff05 PARMS:
COMMENT NAXIS1 = (ES - SS + 1); NAXIS2 = (EJ - SL + 1);
COMMENT CRPIX1 = (1 - SS); CRPIX2 = (1 - SL)
END
X-58
Header for Low-Resolution All-Sky Intensity Galactic Antit-Center
SIMPLE = T / STANDARD FITS FORMAT
BITPIX = 32 / 4 BYTE TWOS COMPL INTEGER
NAXIS = 3 / NUMBER OF AXES
NAXIS1 = nn / # SAMPLES PER LINE (FASTEST VARY NDEX
NAXIS2 = mm / # LINES Of DATA IN IMAGE FILE
NAXIS3 = 1 / # WAVELENGTHS
BSCALE = S.ssssssE-ee / TRUE=TAPE*SCALE+BZERO
BZERO = 0.0 /
BUNIT = 'JY/SR' / INTENSITY
BLANK = -2000000000 / TAPE VALUE FOR EMPTY PIXEL
CRVAL1 = 150.0 / GALACTIC LONGITUDE AT ORIGIN (DEGREES)
CRPIX1 = xxx. / SAMPLE AXIS ORIGIN (PIXEL)
CTYPE1 = 'LON-ATF' / DECREASES IN VALUE AS SAMPLE INDEX
COMMENT INCREASES (AITOF PROJECTION)
CDELT1 = -0.5 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON SAMPLE AXIS
CRVAL2 = 0.0 / GALACTIC LATITUDE AT ORIGIN (DEGREES)
CRPIX2 = yyy. / LINE AXIS ORIGIN (PIXEL)
CTYPE2 = 'LAT-ATF' / DECREASES IN VALUE AS LINE INDEX
COMMENT INCREASES (AITOFF PROJECTION)
CDELLT2 = -0.5 / COORD VALUE INCREMENT DEG/PIXEL
COMMENT AT ORIGIN ON LINE AXIS
CRVAL3 = z.zzE-6 / WAVELENGTH IN METERS
CRPIX3 = 1.
CTYPE3 = 'LAMBDA '
CDELT3 = 0.
DATAMAX = D.ddddddE ee / JY/SR (TRUE VALUE)
DATAMIN = D.ddddddE ee / JY/SR (TRUE VALUE)
EPOCH = 1950. / EME50
DATE-MAP = '01/11/84' / MAP RELEASE DATE
DATE = 'DD/MM/YY' / DATE THISS TAPE WRITTEN
ORIGIN = 'JPL-IRAS' / INSTITUTION
TELESCOP = 'IRAS '
INSTRUME = 'ALL SKY' / IRAS LOW RES ALL-SKY
OBJECT = 'ACENTERN' / ALL-SKY GALACTIC ANTI-CENTER/ HCON
PROJTYPE = 'AITOFF' / PROJECTION TYPE
COMMENT MINSOP = MMM; MAXSOP = NNN
COMMENT
COMMENT PROJECTION FORMULAE:
COMMENT FORWARD FORMULA; XLON0 IS THE CENTER LONGITUDE OF THE
COMMENT MAP. ARC-SINE AND ARC-COSINE FUNCTIONS ARE REQUIRED.
COMMENT R2D = 45./ ATAN(1.)
COMMENT PIX = 2.
COMMENT RHO = ACOS COS(XLAT) * COS((XLON-XLON0)/2.))
COMMENT THETA = ASIN( COS(XLAT) * SIN((XLON-XLON0)/2.)/ SIN(RHO))
COMMENT F = 2. * PIX * R2D * SIN(RHO/2.)
COMMENT SAMPLE = -2. * F * SIN(THETA)
COMMENT XLINE; = -F * COS(THETA)
COMMENT IF(XLAT .LT. 0.) XLINE = -XLINE
COMMENT
COMMENT REVERSE FORMULAA; XLON0 IS THE CENTER LONGITUDE OF THE MAP.
COMMENT ARC-SINE AND ARC-COSINE FUCTIONS NEEDED.
X-59
COMMENT R2D = 45./ ATAN(1.)
COMMENT PIX = 2.
COMMENT Y = -XLINE/ (PIX * 2. * R2D)
COMMENT X = -SAMPLE/ (P(X * 2. * R2D)
COMMENT A = SQRT(4.-X*X-4.*YY)
COMMENT XLAT = R2D * ASIN(A*Y)
COMMENT XLON = XLON0 + 2. * R2D * ASIN(A*X/(2.*COS(XLAT)))
COMMENT
COMMENT REFERENCES:
COMMENT IRAS SDAS SOFTWARE: INTERFACE SPECIFICATION(SIS) #623-94/NO. SF05
COMMENT ASTRON. ASTROPHYS. SUPPL. SER. 44,(1981) 363-370 (RE:FITS)
COMMENT RECONCILIATION OF FITS PARMS W/ SIS SFO5 PARMS:
COMMENT NAXIS1 = (ES - SS + 1); NAXIS2 = (EL - SL + 1);
COMMENT CRPIXl = (1 - SS); CRPIX2 = (1 - SL)
END