SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 561 NAXIS2 = 561 OBJECT = 'NGC 4548 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:32:55.10' DEC = '+14:46:22.8' AIRMASS = 1.203922E+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 = '-02:04:28.0' / Hour Angle LST = ' 14:39:30.1' / Sidereal Time TIME = '07:36:12.6' FILENUM = 91 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.882292E+02 CRVAL2 = 1.477278E+01 CRPIX1 = 2.810000E+02 CRPIX2 = 2.810000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 1.789100E+04 DATAMIN = 1.100000E+02 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4548_pg.fits' FILTER1 = 'g ' SKY = 7.889166E+02 SKYSIG = 3.043714E+01 XOFFSET = 130 YOFFSET = 133 G_CENT_X= 280 G_CENT_Y= 280 SATURAT = 1 DNAT0_ST= 1.411176E+11 DNAT0_BV= 1.282591E+11 B_RC3 = 1.096000E+01 B-V_RC3 = 8.100001E-01 PSF_FWHM= 2.291580E+00 PA_RC3 = 1.500000E+02 BOA_RC3 = 1.000000E-01 SIZE_RC3= 1.730000E+00 VELO_RC3= 4.857081E+02 TYPE_RC3= '.SBT3.. ' DATE-OBS= '05/05/91 ' END