SIMPLE = T BITPIX = 16 NAXIS = 2 NAXIS1 = 561 NAXIS2 = 561 OBJECT = 'NGC 4501 ' FILTER = 'GC1 (4805/75)'/ 3 inch filter RA = '12:29:27.90' DEC = '+14:41:43.5' AIRMASS = 1.152228E+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 = '-01:41:50.4' / Hour Angle LST = ' 14:13:25.6' / Sidereal Time TIME = '07:10:12.3' FILENUM = 80 DECORDER= F BSCALE = 1.000000E+00 BZERO = 0.000000E+00 CRVAL1 = 1.873625E+02 CRVAL2 = 1.469528E+01 CRPIX1 = 2.810000E+02 CRPIX2 = 2.810000E+02 CDELT1 = -3.305555E-04 CDELT2 = 3.305555E-04 CTYPE1 = 'RA---TAN ' CTYPE2 = 'DEC--TAN ' DATAMAX = 2.796300E+04 DATAMIN = 9.700000E+01 CCDNUM = 1 EXPOSURE= 6.000000E+01 FILENAME= 'n4501_pg.fits' FILTER1 = 'g ' SKY = 7.791981E+02 SKYSIG = 2.989771E+01 XOFFSET = 137 YOFFSET = 140 G_CENT_X= 280 G_CENT_Y= 280 SATURAT = 1 DNAT0_ST= 1.449306E+11 DNAT0_BV= 1.377604E+11 B_RC3 = 1.036000E+01 B-V_RC3 = 7.300000E-01 PSF_FWHM= 2.211307E+00 PA_RC3 = 1.400000E+02 BOA_RC3 = 2.700000E-01 SIZE_RC3= 1.840000E+00 VELO_RC3= 2.278835E+03 TYPE_RC3= '.SAT3.. ' DATE-OBS= '05/05/91 ' END