SIMPLE  =                    T / Fits standard                                  BITPIX  =                   32 / Bits per pixel                                 NAXIS   =                    2 / Number of axes                                 NAXIS1  =                 8601 / Axis length                                    NAXIS2  =                 8927 / Axis length                                    EXTEND  =                    F / File may contain extensions                    ORIGIN  = 'NOAO-IRAF FITS Image Kernel July 1999' / FITS file originator        DATE    = '2001-02-28T01:09:40'                                                 IRAF-TLM= '21:44:57 (10/05/2002)'                                               OBJECT  = 'MASK NDWFS J1426+3456 Bootes R-band'                                 FIELDNAM= 'NDWFS J1426+3456'   / NOAO Deep Wide-Field Survey sub-field or cutout                                                                                OBJNAME = 'NDWFS J1426+3456'   /                                                OBJTYPE = 'MASK field'         / Indicates whether survey sub-field or cutout   RA      = '14:26:01.652'       / Approximate RA of image center (hr)            DEC     = '+34:56:56.569'      / Approximate DEC of image center (deg)          EQUINOX =                2000. / Equinox of coordinate system                   RADECSYS= 'ICRS'               / Default coordinate system                      DATE-OBS= '1998-05-04'         / UT Date of Earliest Obs. Used In Combined Image                                                                                OBSERVAT= 'KPNO'               / Observatory                                    TELESCOP= 'KPNO 4.0 meter telescope' / Telescope                                DETECTOR= 'Mosaic1'       / Detector                                            CONTROLR= 'Mosaic Arcon'       / Controller identification                      EFFGAIN =                46.10 / Conversion estimate ADU to observed            PIXSCAL1=                0.258 / Pixel scale for axis 1 (arcsec/pixel)          PIXSCAL2=                0.258 / Pixel scale for axis 2 (arcsec/pixel)          FILTER  = 'R Harris k1004'     / Filter name(s)                                 PROPOSAL= 'NOAO Deep Wide-Field Survey' / Proposal title                        CTYPE1  = 'RA---TAN'           / Coordinate type                                CTYPE2  = 'DEC--TAN'           / Coordinate type                                CRVAL1  =            218.02380 / Coordinate type                                CRVAL2  =             34.27986 / Coordinate type                                CRPIX1  =             -13052.0 / Coordinate reference value                     CRPIX2  =              -5006.0 / Coordinate reference value                     CD1_1   =   -0.000071666669101 / Coordinate matrix                              CD2_1   =    0.000000000000000 / Coordinate matrix                              CD1_2   =    0.000000000000000 / Coordinate matrix                              CD2_2   =    0.000071666669101 / Coordinate matrix                              NCOMBINE=                    7 / Number of exposures included in final stack    PROCID  = 'kp4m.980405.081933V1'                                                PROCID01= 'kp4m.980405.081933'                                                  PROCID02= 'kp4m.980405.083201'                                                  PROCID03= 'kp4m.980405.084434'                                                  PROCID04= 'kp4m.980405.090424'                                                  PROCID05= 'kp4m.980405.093156'                                                  PROCID06= 'kp4m.980405.103858'                                                  PROCID07= 'kp4m.980405.105239'                                                  IMCMB001= 'mos075z'                                                             IMCMB002= 'mos076z'                                                             IMCMB003= 'mos077z'                                                             IMCMB004= 'mos079z'                                                             IMCMB005= 'mos080z'                                                             IMCMB006= 'mos085z'                                                             IMCMB007= 'mos086z'                                                             BPM     = 'NDWFSJ1426p3456_R_02_bpm.pl' / Bad pixel mask                        EXPMASK = 'NDWFSJ1426p3456_R_02_exp.pl' / Exposure mask                         REJMASK = 'NDWFSJ1426p3456_R_02_rej.pl' / Bad pixel masks of input images       NREJMASK= 'NDWFSJ1426p3456_R_02_nrej.pl' / Number of rejected pixels            MAGZERO =               30.701 / R Kron-Cousins Magnitude of one ADU in image   HDRVER  = '2.0 2001-03-15'     / Header data revision                           PIXVER  = '2.0 2001-03-15'     / Pixel data revision                            COMMENT                                                                         COMMENT Image Copyright Association of Universities for Research in             COMMENT Astronomy inc. (AURA), all rights reserved.                             COMMENT The NOAO Deep Wide-Field Survey: Permission is granted for publication  COMMENT and reproduction of this material for scholarly, educational, and       COMMENT private non-commercial use. Inquires for potential commercial uses      COMMENT should be addressed to:                                                 COMMENT       Arjun Dey and Buell Jannuzi                                       COMMENT       NOAO                                                              COMMENT       950 N. Cherry Ave.                                                COMMENT       Tucson, AZ, USA                                                   COMMENT       85719                                                             COMMENT                                                                         COMMENT The NDWFS is a deep optical and IR imaging survey of the sky.           COMMENT Information about the survey can be found at                            COMMENT http://www.noao.edu/noao/noaodeep/, or                                  COMMENT http://archive.noao.edu/ndwfs/ and links off of those pages.            COMMENT                                                                         COMMENT If you use these images, catalogues (when they are                      COMMENT available), or other data products in your research or                  COMMENT publications, please include the following acknowledgement.             COMMENT                                                                         COMMENT "This work made use of images and/or data products                      COMMENT provided by the NOAO Deep Wide-Field Survey (Jannuzi and Dey            COMMENT 1999), which is supported by the National Optical Astronomy             COMMENT Observatory (NOAO).  NOAO is opperated by AURA, Inc., under             COMMENT a cooperative agreement with the National Science Foundation."          COMMENT                                                                         COMMENT The Jannuzi and Dey 1999 reference is the following:                    COMMENT Jannuzi, B. T. & Dey, A., 1999, in Photometric Redshifts and            COMMENT the Detection of High Redshift Galaxies, ASP Conference Series,         COMMENT Vol. 191, Edited by R. Weymann, L. Storrie-Lombardi, M. Sawicki,        COMMENT and R. Brunner. ISBN: 158381-017-X, p. 111                              COMMENT                                                                         COMMENT For a given pixel in the combined image, the value of NCOMBINE          COMMENT minus the value of the associated pixel in the NREJ mask                COMMENT indicates the number images that contributed to the value of            COMMENT that pixel in the combined image.                                       COMMENT                                                                         COMMENT EFFGAIN = Effective Gain = A crude estimate for approximate             COMMENT conversion of image ADU to observed electrons.                          COMMENT                                                                         COMMENT The photometry in this image has been referenced to Kron-Cousins        COMMENT R-band, based on observations of Landolt standards on 1998/04/04UT.     COMMENT The photometric solution is Rmag = m_inst + MAGZERO + 0.068(R-I).       COMMENT                                                                         COMMENT NDWFSJ1426p3456_R_02.fits was constructed from 7 individual             COMMENT exposures each of 600 seconds in duration. Total exposure time          COMMENT (open shutter time) 4200 seconds. All images were obtained on           COMMENT 1998/04/05 UT. The night of 1998/04/05UT was photometric.               COMMENT The stellar FWHM in the final stack is                                  COMMENT approximately 1.16".                                                    COMMENT                                                                         COMMENT v02 - Prepared March 2001. Difference from v01 release                  COMMENT is addition of net exposure masks (in separate files) and the           COMMENT generation of these stacked frames using an exposure time weighting     COMMENT of the individual input images resulting in an approximate              COMMENT 1/variance weighting.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   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