SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 313 NAXIS2 = 313 OBJECT = 'NGC 4636 ' BSCALE = 1.000000E+00 BZERO = 0.000000E+00 EXPOSURE= 3.000000E+02 RA = '12:42:12.8' DEC = '+02:44:48 ' TIME = '07:09:42 ' AIRMASS = 1.190000E+00 HISTORY 'Flat-fielded, star-subtracted, calibrated, header-corrected ' TELESCOP= 'Lowell 1.1' INSTRUME= 'RCA CCD 320' OBSERVER= 'J. A. Tyson' AUTHOR = 'Z. Frei et al. ' REFERENC= 'AJ, 1995, in press ' DATE = '12/07/95 ' EQUINOX = 1.950000E+03 BUNIT = 'COUNTS ' FILTER1 = 'J ' FILENAME= 'n4636_lJ.fits' OBSTAPE = 'Tape_3 ' SKY = 1.955031E+02 SKYSIG = 1.027010E+01 IMAGE = 'n4636j.01 ' DISKDIR = 'Tape_3/30mar' DECORDER= F CRVAL1 = 1.905500E+02 CRVAL2 = 2.746667E+00 CRPIX1 = 1.330000E+02 CRPIX2 = 1.570000E+02 CDELT1 = -3.750000E-04 CDELT2 = 3.750000E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 5.875000E+03 DATAMIN = 5.100000E+01 CCDNUM = 1 XOFFSET = 22 YOFFSET = 106 G_CENT_X= 132 G_CENT_Y= 156 SATURAT = 1 DNAT0_ST= 0.000000E+00 DNAT0_BV= 4.437681E+10 B_RC3 = 1.043000E+01 B-V_RC3 = 9.399999E-01 PSF_FWHM= 3.426645E+00 PA_RC3 = 1.500000E+02 SIZE_RC3= 1.780000E+00 BOA_RC3 = 1.100000E-01 VELO_RC3= 1.018807E+03 TYPE_RC3= '.E.0+.. ' DATE-OBS= '31/03/89 ' END