SIMPLE = T / Fits standard BITPIX = 32 / Bits per pixel NAXIS = 2 / Number of axes NAXIS1 = 9015 / Axis length NAXIS2 = 9205 / 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 J1428+3456 Bootes R-band' FIELDNAM= 'NDWFS J1428+3456' / NOAO Deep Wide-Field Survey sub-field or cutout OBJNAME = 'NDWFS J1428+3456' / OBJTYPE = 'MASK field' / Indicates whether survey sub-field or cutout RA = '14:28:51.913' / Approximate RA of image center (hr) DEC = '+34:57:27.605' / Approximate DEC of image center (deg) EQUINOX = 2000. / Equinox of coordinate system RADECSYS= 'ICRS' / Default coordinate system DATE-OBS= '1998-04-07' / 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 = 66.20 / 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 = -4728.0 / Coordinate reference value CRPIX2 = -4893.0 / 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= 10 / Number of exposures included in final stack PROCID = 'kp4m.980407.051043V1' PROCID01= 'kp4m.980407.051043' PROCID02= 'kp4m.980407.053456' PROCID03= 'kp4m.980407.054703' PROCID04= 'kp4m.980407.055910' PROCID05= 'kp4m.980407.061234' PROCID06= 'kp4m.980405.110552' PROCID07= 'kp4m.980405.111849' PROCID08= 'kp4m.980405.113055' PROCID09= 'kp4m.980405.114315' PROCID10= 'kp4m.980405.115636' IMCMB001= 'mos041z' IMCMB002= 'mos043z' IMCMB003= 'mos044z' IMCMB004= 'mos045z' IMCMB005= 'mos046z' IMCMB006= 'mos087z' IMCMB007= 'mos088z' IMCMB008= 'mos089z' IMCMB009= 'mos090z' IMCMB010= 'mos091z' BPM = 'NDWFSJ1428p3456_R_02_bpm.pl' / Bad pixel mask EXPMASK = 'NDWFSJ1428p3456_R_02_exp.pl' / Exposure mask REJMASK = 'NDWFSJ1428p3456_R_02_rej.pl' / Bad pixel masks of input images NREJMASK= 'NDWFSJ1428p3456_R_02_nrej.pl' / Number of rejected pixels MAGZERO = 30.567 / 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 NDWFSJ1428p3456_R_02.fits was constructed from 10 individual COMMENT exposures each of 600 seconds in duration. Total exposure time COMMENT (open shutter time) 6000 seconds. Five images were obtained on COMMENT 1998/04/05 UT and five on 1999/04/07 UT. Both nights were COMMENT photometric. COMMENT The stellar FWHM in the final stack is approximately 1.26". 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. END