SIMPLE = T / FITS STANDARD BITPIX = -32 / FITS BITS/PIXEL (FLOATING POINT) NAXIS = 2 / NUMBER OF AXES NAXIS1 = 871 / X AXIS NO. PIX NAXIS2 = 871 / Y AXIS NO. PIX BLANK = 0.00000000 / ARRAY NULL VALUE (NATURAL 0.0 SET TO 1.E-10) HISTORY Created by tiftofits version 1 on 2006-02-11 at 02:58:25 HISTORY 1-3 pixel sized dust and emulsion pits removed by Laplacian filter HISTORY Derived from above by CAFITIMAGE on 2006-10-12 at 05:32:40 HISTORY Image: Canonical limb darkening imposed on a flat image. HISTORY Background: Residuals, H & D'ed original data - off-image fit. HISTORY HISTORY HISTORY BSCALE = 1.0000000 / REAL = DATA*BSCALE + BZERO BZERO = 0.0000000 / BUNIT = 'INTENSITY' / ARBITRARY UNITS ORIGIN = 'MT. WILSON' / TELESCOP= '60 FT' / OBJECT = 'SUN' / DATA-TYP= 'CA SPECTROHELIOGRM' / DATE-OBS= '1981-07-18' / YEAR-MO-DA TAVG-UT = 26.1333332 / AVERAGE TIME, U.T. LAMBDA = 3933.6818848 / WAVELENGTH (ANGSTROMS) OBS_B0 = 4.733336 / SUN TILT OBS_CR = 1710.8715 / CARRINGTON ROTATION OBS_L0 = 46.2882 / LONGITUDE OF THE CENTRAL MERIDIAN XSCALE = 2.87493 / ARCSEC PER X PIXEL YSCALE = 2.87493 / ARCSEC PER Y PIXEL SCALPIX1= Infinity / X PIXELS PER INCH SCALPIX2= Infinity / Y PIXELS PER INCH CRPIX1 = 441.7567444 / Ref point1. CRPIX2 = 439.9494324 / Ref point2. CDELT1 = 0.00304447 / Solar Scale Axis 1. CDELT2 = 0.00301068 / Solar Scale Axis 2. RX-RY = -3.68664551 / Radius x minus Radius y. GRADXP = 122.28282928 / Average Slope X plus. GRADXM = 59.69696808 / Average Slope X minus. GRADYP = 114.01833344 / Average Slope Y plus. GRADYM = 106.87833405 / Average Slope Y minus. SCSLOPXP= 18.62500000 / Scattered Light Slope X plus. SCSLOPXM= 1.25000000 / Scattered Light Slope X minus. SCSLOPYP= 22.31250000 / Scattered Light Slope Y plus. SCSLOPYM= 32.68750000 / Scattered Light Slope Y minus. YEAR = 1981 / Year MONTH = 7 / Month DAY = 18 / Day IMAGE_NO= 35 / Image_No SCANID = '20060208-5' / ScanId PLATE_NO= 'CB5194' / plate_no PLTYPECD= 3 / PlateTypeCode OBSTYPE = 'K2-NS' / ObsType TIME = '18:08:00' / time IMAGQUAL= 2 / Image_Qual LGBOOKPG= '810715_0728' / Logbook_Page CORANGLE= 97.8 / Correction_angle LGCOMMNT= 'NIL' / LogComments TGCOMMNT= 'NIL' / TagComments EXTRES = 1 / ExtRes EXTQUAL = 0.9939360999406094 / ExtQual FILENAME= 'K19810718-35-20060208-5'/ FileName IMAGWDTH= 3757 / ImageWidth IMAGLNGT= 3757 / ImageLength EXSUBSAM= 1 / ExtSubSample SCRESUNI= 2 / ScanResUnit SCANXRES= 849.8333129882812 / ScanXres SCANYRES= 849.8853759765625 / ScanYres POSINSCN= 2 / PosInScan HORPOSNM= 1 / HorPosNum HORPOS = 'A' / HorPos PLXOFFST= 0 / PlateXoffset PLYOFFST= 3909 / PlateYoffset IMXOFFST= 141 / ImageXoffset IMYOFFST= 3288 / ImageYoffset BACKGRND= 0.756252266845079 / Bgmean BKGSTDEV= 0.1117401424893836 / Bgstddev LGDTDATE= '2/6/2006 11:03:30' / LogDataEntryDate LGSERIAL= NIL / LogSerial TGDTDATE= '2/10/2006 11:56:15'/ TagDataEntryDate TGSERIAL= 17125 / TagSerial EXFILLOC= '/1981/7/' / ExtFileLoc SCFILLOC= '/2006/02/08/' / ScanFileLoc SCFRAME = 3 / ScanFrame EXTDATE = 'Fri Feb 10 21:07:47 2006'/ ExtDate SERIAL = 282 / Serial NPIXDUST= 50179 / Number of dust and pit pixels replaced. RADIUS_X= 328.46 / X-direction Radius RADIUS_Y= 332.15 / Y-direction Radius AVE_INTS= 12089.0468750 / Average Intensity Value AVE_IRMS= 207.2237549 / Ave. RMS Intensity Variation over 5x5 Arrays SUNEAR_F= 0.9837714 / Sun-Earth Distance Factor RADSCORE= 1 / Radius Solution Demerits, < 6 is good COMMENT Minimum and maximum allowed fit values: DRKMN_1 = 6369.417 / MINIMUM VALUE FOR OFF-IMAGE SIDES. DRKMX_1 = 8009.267 / MAXIMUM VALUE FOR OFF-IMAGE SIDES. DRKMN_2 = 6329.420 / MINIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM. DRKMX_2 = 9539.126 / MAXIMUM VALUE FOR OFF-IMAGE TOP & BOTTOM. DRKMN_3 = -939.757 / MINIMUM VALUE FOR IMAGE. DRKMX_3 = 614.514 / MAXIMUM VALUE FOR IMAGE. HISTORY Fitting function for the off-image area or the image. HISTORY C1 - C15 are fit coefficients, R is the center-to HISTORY limb angle at point for the image fit; for the background, HISTORY R is the radius at point. A is the angle-around-the-image, HISTORY starting at (CRPIX1+min(RADIUS_X,RADIUS_Y),CRPIX2). HISTORY V is the evaluated fit value. HISTORY V = C1 + C2*R**2 + C3*R**3 + C4*SIN(A)*R + C5*COS(A)*R + HISTORY C6*SIN(A)*R**2 + C7*COS(A)*R**2 + C8*SIN(A)*R**3 + HISTORY C9*COS(A)*R**3 + C10*SIN(2A)*R**2 + C11*COS(2A)*R**2 + HISTORY C12*SIN(2A)*R**3 + C13*COS(2A)*R**3 + C14*SIN(3A)*R**3 + HISTORY C15*COS(3A)*R**3 COMMENT Background fit coefficients: COFB_01 = 0.14807380105885E+00 / Background COFB_02 =-0.13747855474854E-05 / Background COFB_03 = 0.16878733604339E-08 / Background COFB_04 = 0.41537618241414E-03 / Background COFB_05 =-0.24403973976194E-04 / Background COFB_06 =-0.18855985653551E-05 / Background COFB_07 = 0.38938915481567E-06 / Background COFB_08 = 0.23184437330084E-08 / Background COFB_09 =-0.73707456172713E-09 / Background COFB_10 = 0.95329640478370E-07 / Background COFB_11 =-0.13076360724130E-05 / Background COFB_12 =-0.19839702969099E-09 / Background COFB_13 = 0.29479451673620E-08 / Background COFB_14 =-0.10397324319661E-09 / Background COFB_15 =-0.90642992666702E-10 / Background COMMENT Image fit coefficients: COFA_01 = 0.18378479407830E+00 / Image COFA_02 =-0.79518971468119E-01 / Image COFA_03 = 0.16765392418465E-01 / Image COFA_04 = 0.34261434829027E-01 / Image COFA_05 =-0.21035025697099E-01 / Image COFA_06 =-0.67438870326621E-01 / Image COFA_07 = 0.93123473797925E-01 / Image COFA_08 = 0.31244115950427E-01 / Image COFA_09 =-0.49292696634681E-01 / Image COFA_10 = 0.21200421221784E-01 / Image COFA_11 = 0.40147619271287E-02 / Image COFA_12 =-0.98238371927393E-02 / Image COFA_13 =-0.14435272554938E-01 / Image COFA_14 =-0.12215438937125E-02 / Image COFA_15 =-0.23032209122699E-02 / Image COMMENT Canonical limb darkening coefficients: COMMENT V = 1.0 - 0.2187436*X - 0.2759476*X**2 - 0.4847618*X**10 CANCAK_1= 1.0 / X = 1. - COS(RHO) CANCAK_2= 0.2187436 / RHO=Center-to-limb angle CANCAK_3= 0.2759476 / CANCAK_4= 0.4847618 / HISTORY Linearized according to the characteristic stepwedge curve, COMMENT V is the linearized intensity: COMMENT TIN = input scanner value, higher value = more light COMMENT TINL = TIN/(32767. - TIN) COMMENT TBIA = ABS(TINL - YMIN) COMMENT V = (TBIA/ALPHA)**(1./GAMMA) COMMENT If TINL-YMIN is negative, V = -V ALPHA = 1.11787391 / H & D calibration parameter GAMMA = 0.87098777 / H & D calibration parameter YMIN = 0.22550742 / H & D calibration parameter END ?BG?2>5>'=8B?WJ>k>?=>o8>)?(:>O>>?T>?$>?*s>ĸ?|>?D>/>9>g6y?X? >>?R3?C>I5>H>h>.>>c>l1>:b$>7l>B>a>Dpo>|T'>qY>>kk>\>ZE>d'>]X>|}>f )>k>iǚ?9]?e>>`?3 >>By>p1%t>A?>vgl~#<&<3>>۳}>b>z>1?<=?>j>> OF%t(иP)<"=u=9Ɋ>,=VM=L>~>H ==h===>i>t,>>f%>>^>> >к?k?>{Y?m?f>>$?G?t? k@?>N> >>>eO=3G>vu>y>6> =`_=^O>Š=#(><*;l_=(=cR>?#Ǩ?`>*C>Br>0=rC>d>>q>bL=ʸ_=>$s>Z>?&^>]n> [>3>jb>˄`>?ר>?>h0>? ? ?t? $0??]??f'? >a?? ^>>K>+R>MZ>~T???j?z? >>s>>ҋ>:?7>X>>؅>">C?>>4>,L>S@>zS??t~?!?$??A?A??>u>c>>т>>Y!>}>>">v=>=>>>o>>>>G>@S=ˬ=^>7X>mq? 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