SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 561 NAXIS2 = 561 OBJECT = 'NGC 4216 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:13:20.90' DEC = '+13:25:22.8' AIRMASS = 1.083557E+00 HISTORY 'Flat-fielded, star-subtracted, calibrated, header-corrected ' TELESCOP= 'Palomar 1.5' INSTRUME= 'Wide field' OBSERVER= 'J. E. Gunn' AUTHOR = 'Z. Frei et al. ' REFERENC= 'AJ, 1995, in press ' DATE = '12/07/95 ' EQUINOX = 1.950000E+03 BUNIT = 'COUNTS ' HA = '-00:45:32.6' / Hour Angle LST = ' 13:01:01.8' / Sidereal Time TIME = '05:58:00.5' FILENUM = 52 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.833333E+02 CRVAL2 = 1.342278E+01 CRPIX1 = 2.810000E+02 CRPIX2 = 2.810000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 3.110700E+04 DATAMIN = 3.500000E+01 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4216_pg.fits' FILTER1 = 'g ' SKY = 7.476642E+02 SKYSIG = 2.991442E+01 XOFFSET = 127 YOFFSET = 145 G_CENT_X= 280 G_CENT_Y= 280 SATURAT = 1 DNAT0_ST= 1.488268E+11 DNAT0_BV= 1.384970E+11 B_RC3 = 1.099000E+01 B-V_RC3 = 9.800000E-01 PSF_FWHM= 3.372421E+00 PA_RC3 = 1.900000E+01 BOA_RC3 = 6.600000E-01 SIZE_RC3= 1.910000E+00 VELO_RC3= 1.292481E+02 TYPE_RC3= '.SXS3*. 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