SIMPLE = T / Fits standard BITPIX = -32 / Bits per pixel NAXIS = 2 / Number of axes NAXIS1 = 99 / Axis length NAXIS2 = 99 / Axis length EXTEND = F / File may contain extensions BSCALE = 1. / True_value = BSCALE * FITS_value + BZERO BZERO = 0. / True_value = BSCALE * FITS_value + BZERO DATE = '2004-08-24T23:46:26' / file creation date (YYYY-MM-DDThh:mm:ss UT) ORIGIN = 'MGC ' / Source of the data OBJECT = 'MGC28756' / Object name OBSERVAT= 'La Palma' / Name of observatory LATITUDE= -28.762 / Telescope latitude in deg LONGITUD= -17.87764 / Telescope longitude in deg HEIGHT = 2348 / Telescope height above sea level in m TELESCOP= 'INT ' / 2.5m Isaac Newton Telescope INSTRUME= 'WFC ' / INT Wide Field Camera SECPPIX = 0.333 / Pixel size in arcsec RDNOISE = 3.9 / Readout noise in e- GAIN = 2.8 / Readout gain in e-/ADU DATE-OBS= '2000-03-29 ' / UT date of start of observation UT = '01:11:05.9 ' / UT of start of observation MJD = 51632.0537089 / Modified Julian Date of midtime of observation LST = ' 12:26:33.5' / Local sidereal time at start of observation AZIMUTH = 193.813 / Mean azimuth of observation in deg ALT = 60.41738 / Mean altitude of observation in deg AIRMASS = 1.148 / Effective mean airmass EXPTIME = 749.260 / Exposure time in s WCSDIM = 2 / Number of WCS coordinates CTYPE1 = 'DEC--ZPX' / Type of coordinate on axis 1 CTYPE2 = 'RA---ZPX' / Type of coordinate on axis 2 CRPIX1 = -723.3 / WCS reference point CRPIX2 = 246.1 / WCS reference point CRVAL1 = -0.066773333 / WCS reference value CRVAL2 = 181.40625 / WCS reference value CD1_1 = 1.22631790000000E-6 / WCS transformation matrix element CD1_2 = 9.24426790000000E-5 / WCS transformation matrix element CD2_1 = -9.2450122000000E-5 / WCS transformation matrix element CD2_2 = 1.24733740000000E-6 / WCS transformation matrix element WAT0_001= 'system=image' WAT1_001= 'wtype=zpx axtype=dec projp1=1.0 projp3=220.0' WAT2_001= 'wtype=zpx axtype=ra projp1=1.0 projp3=220.0' LTV1 = -3754. / Physical coordinate system (PCS) offset LTV2 = 2027. / PCS offset LTM1_1 = 0. / PCS transformation matrix element LTM1_2 = -1. / PCS transformation matrix element LTM2_1 = 1. / PCS transformation matrix element LTM2_2 = 0. / PCS transformation matrix element ZP = 31.6031 / Magnitude zero point SKY = 21.67 / Approximate sky brightness in mag/arcsec^2 SKYNOISE= 25.95 / Approximate sky noise in mag/arcsec^2 SEEING = 1.4 / FWHM of seeing in arcsec ID = 28756 / MGC object ID/serial number MGCFN = 64 / MGC field number CCD = 4 / CCD number X_IMAGE = 1977.48 / Object x position in PCS Y_IMAGE = 3804.07 / Object y position in PCS A_IMAGE = 4.62 / Flux rms along major axis in pixel B_IMAGE = 3.49 / Flux rms along minor axis in pixel ELLIPT = 0.245 / 1 - B_IMAGE/A_IMAGE THETA = -35.7 / Position angle wrt x axis of PCS in deg FWHM = 7.84 / FWHM assuming a gaussian core in pixel HLRADIUS= 4.93 / Semi-major axis of half-light ellipse in pixel RA = 181.33453 / Object right ascension in deg (J2000) DEC = -0.08399 / Object declination in deg (J2000) RAB1950 = 180.69389 / Object right ascension in deg (B1950) DECB1950= 0.19436 / Object declination in deg (B1950) BACKGRND= 1031.5 / Background at object position in counts THRESH = 18.98 / Detection threshold above background in counts ISOAREA = 463 / Isophotal area above analysis threshold in pixe MAG_ISO = 19.167 / Isophotal magnitude MAG_ISOC= 19.136 / Gaussian corrected isophotal magnitude MAG_AUTO= 19.158 / Kron-like elliptical aperture magnitude B_MGC = 19.158 / Best of MAG_AUTO and MAG_ISOC MAG_ERR = 0.006 / Error on B_MGC EXTINC = 0.1 / Galactic extinction correction in mag B_MGC_DC= 19.058 / B_MGC corrected for extinction QUALITY = 1 / Quality class (1=good, 3=bad, 0=unclassified) FLAGS = 2 / Extraction flags STEL = 0.03 / Stellaricity CLASS = 1 / Classification parameter INEXR = F / Object is in exclusion region