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ia21b3ecq_flt_hlet.fits 8.4 KB
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  1. SIMPLE = T / conforms to FITS standard BITPIX = 8 / array data type NAXIS = 0 / number of array dimensions EXTEND = T DESTIM = 'ia21b3ecq' / Destination observation root name HDRNAME = 'ia21b3ecq_flt_hlet.fits' / Headerlet name DATE = '2025-08-07T13:07:05' / Date FITS file was generated WCSNAME = 'IDC_w3m18525i-FIT_REL_GSC242' / Coordinate system title DISTNAME= 'ia21b3ecq_w3m18525i-NOMODEL-NOMODEL' / Distortion model name SIPNAME = 'ia21b3ecq_w3m18525i' / origin of SIP polynomial distortion model NPOLFILE= 'N/A ' / origin of non-polynmial distortion model D2IMFILE= 'N/A ' / origin of detector to image correction IDCTAB = 'iref$w3m18525i_idc.fits' / origin of Polynomial Distortion AUTHOR = 'OPUS ' / headerlet created by this user DESCRIP = 'undistorted a posteriori solution relatively aligned to GSC242' / ShoRMS_RA = 2.6677734921704E-05 / RMS in RA at ref pix of headerlet solution RMS_DEC = 2.13992854764854E-05 / RMS in Dec at ref pix of headerlet solution NMATCH = 0 / Number of sources used for headerlet solution CATALOG = '' / Astrometric catalog used for headerlet solution UPWCSVER= '1.7.5 ' / Version of STWCS used to update the WCS PYWCSVER= '7.0.1 ' / Version of PYWCS used to update the WCS END XTENSION= 'IMAGE ' / Image extension BITPIX = 8 / array data type NAXIS = 0 / number of array dimensions PCOUNT = 0 / number of parameters GCOUNT = 1 / number of groups WCSAXES = 2 / Number of coordinate axes CRPIX1 = 507.0 / Pixel coordinate of reference point CRPIX2 = 507.0 / Pixel coordinate of reference point CUNIT1 = 'deg' / Units of coordinate increment and value CUNIT2 = 'deg' / Units of coordinate increment and value CTYPE1 = 'RA---TAN-SIP' / TAN (gnomonic) projection + SIP distortions CTYPE2 = 'DEC--TAN-SIP' / TAN (gnomonic) projection + SIP distortions CRVAL1 = 210.66405965754 / [deg] Coordinate value at reference point CRVAL2 = 32.169336859796 / [deg] Coordinate value at reference point CRDER1 = 2.6677734921704E-05 / [deg] Random error in coordinate CRDER2 = 2.1399285476485E-05 / [deg] Random error in coordinate WCSNAME = 'IDC_w3m18525i-FIT_REL_GSC242' / Coordinate system title MJDREF = 0.0 / [d] MJD of fiducial time RADESYS = 'ICRS' / Equatorial coordinate system A_ORDER = 4 / SIP polynomial order, axis 0, detector to sky A_0_2 = 5.33092691853019E-08 / SIP distortion coefficient A_0_3 = 3.73753772880087E-11 / SIP distortion coefficient A_0_4 = -2.0211147283637E-13 / SIP distortion coefficient A_1_1 = 2.44084308174762E-05 / SIP distortion coefficient A_1_2 = 2.81394789152228E-11 / SIP distortion coefficient A_1_3 = 5.17856894659408E-13 / SIP distortion coefficient A_2_0 = -2.4133465663211E-07 / SIP distortion coefficient A_2_1 = 1.29289254704036E-10 / SIP distortion coefficient A_2_2 = 2.35753629384072E-14 / SIP distortion coefficient A_3_0 = -2.371620072818E-10 / SIP distortion coefficient A_3_1 = 5.43714947358335E-13 / SIP distortion coefficient A_4_0 = -2.8102976693048E-13 / SIP distortion coefficient B_ORDER = 4 / SIP polynomial order, axis 1, detector to sky B_0_2 = 2.99270373714981E-05 / SIP distortion coefficient B_0_3 = -2.3813607426051E-10 / SIP distortion coefficient B_0_4 = 7.23205168173609E-13 / SIP distortion coefficient B_1_1 = -1.7107385824843E-07 / SIP distortion coefficient B_1_2 = 6.31243430776636E-11 / SIP distortion coefficient B_1_3 = -5.1674434652779E-14 / SIP distortion coefficient B_2_0 = 6.95458963321812E-06 / SIP distortion coefficient B_2_1 = -3.0827896112996E-10 / SIP distortion coefficient B_2_2 = -1.7580091715687E-13 / SIP distortion coefficient B_3_0 = 3.51974158902385E-11 / SIP distortion coefficient B_3_1 = 5.60993015610249E-14 / SIP distortion coefficient B_4_0 = -5.9243852454034E-13 / SIP distortion coefficient ORIENTAT= 109.30081335698357 / positions angle of image y axis (deg. e of n) TG_ENAME= 'SCI ' / Target science data extname TG_EVER = 1 / Target science data extver CD1_1 = 1.2560081195855E-05 / partial of first axis coordinate w.r.t. x CD1_2 = 3.1725105249819E-05 / partial of first axis coordinate w.r.t. y CD2_1 = 3.5476291957349E-05 / partial of second axis coordinate w.r.t. x CD2_2 = -1.1110479449173E-05 / partial of second axis coordinate w.r.t. y OCX10 = 0.000778564193751663 / original linear term from IDCTAB OCX11 = 0.135431244969368 / original linear term from IDCTAB OCY10 = 0.1209636405110359 / original linear term from IDCTAB OCY11 = -0.00041851671994663 / original linear term from IDCTAB IDCSCALE= 0.1282500028610229 / pixel scale from the IDCTAB reference file EXTNAME = 'SIPWCS ' / extension name EXTVER = 1 / extension value END
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