SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 313 NAXIS2 = 313 OBJECT = 'NGC 4731 ' BSCALE = 1.000000E+00 BZERO = 0.000000E+00 EXPOSURE= 6.000000E+02 RA = '12:50:28.7' DEC = '-06:19:38 ' TIME = '09:14:17 ' AIRMASS = 1.500000E+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 = 'R ' FILENAME= 'n4731_lR.fits' OBSTAPE = 'Tape_5 ' SKY = 9.334469E+02 SKYSIG = 1.325170E+01 IMAGE = 'n4731r.00 ' DISKDIR = 'Tape_5/02apr' DECORDER= F CRVAL1 = 1.926167E+02 CRVAL2 = -6.327222E+00 CRPIX1 = 1.040000E+02 CRPIX2 = 1.570000E+02 CDELT1 = -3.750000E-04 CDELT2 = 3.750000E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 2.531000E+03 DATAMIN = 2.260000E+02 CCDNUM = 1 XOFFSET = 22 YOFFSET = 148 G_CENT_X= 103 G_CENT_Y= 156 SATURAT = 1 DNAT0_ST= 0.000000E+00 DNAT0_BV= 6.920262E+10 B_RC3 = 1.190000E+01 B-V_RC3 = 4.300000E-01 PSF_FWHM= 3.702178E+00 PA_RC3 = 9.500000E+01 SIZE_RC3= 1.820000E+00 BOA_RC3 = 3.100000E-01 VELO_RC3= 1.495900E+03 TYPE_RC3= '.SBS6.. ' DATE-OBS= '03/04/89 ' END