SIMPLE = T / Written by IDL: Tue Mar 11 14:45:51 2014 BITPIX = -64 / Number of bits per data pixel NAXIS = 2 / Number of data axes NAXIS1 = 50 / NAXIS2 = 50 / EXTEND = T /Extensions may be present DATE = '2014-03-11' / Creation UTC (CCCC-MM-DD) date of FITS header BSCALE = 1.00000 / Scaling of pixel values BZERO = 0.00000 / Zero offset BUNIT = 'mJy ' / Unit of image data COMMENT Flux calibration from Gauss 2D fit of STD star ORIGIN = 'MIRphot ' / Photometry package by D. Asmus COMMENT Reference: Asmus et al., 2014, MNRAS, 439, 1648 INSTRUME= 'VISIR ' / TELESCOP= 'ESO-VLT-U3' / PROGID = '075.B-0182(A)' / Programm identification OBS NAME= 'NGC253-blue-snconst-SIVc' / Name of the observation block (OB) OBJECT = 'NGC0253 ' / OB target name FILTER = 'SIV_1 ' / Imager filter name WAVELEN = 9.81999969482 / Filter central wavelength [micron] FHWIDTH = 0.180000007153 / Filter half-width [micron] EXPTIME = 1448.44812012 / Total on-source exposure time [s] PFOV = 0.127000004053 / Instrumental pixel scale [arcsec/px] CHOPMODE= 'PARALLEL' / Chopping mode CHOPTHRO= 30.0000000000 / Chopping throw [arcsec] CHOPANGL= 337.000000000 / Chopping angle [degrees] MJD-OBS = 53571.3045845 / Mean Julian day of observation DATE-OBS= '2005-07-20T07-18' / Date of start of observation AIRMASS = 1.16700005531 / Airmass at start of observation SEEING = 0.730000019073 / Optical seeing at zenith ["] SENSITIV= 70.0676727295 / Sensitivity from STD [mJy 10sigma/1h] NONDETEC= 'FALSE ' / No source detected? STDNAME = 'HD209688' / Calibrator star name STDDATE = '2005-07-20T06-57' / Calibrator star observation date STDMJD = 53571.2898169 / Mean Julian day of the calibrator star observat STDFLUX = 11426.0301590 / Calibrator flux [mJy] STD_MAJ = 0.515759354842 / Calibrator major axis FWHM of Gauss 2D fit ["] STD_MIN = 0.410242800333 / Calibrator major axis FWHM of Gauss 2D fit ["] STDPA = 30.4824703626 / Calibrator position angle from N to E [deg] MED_BG = 0.320748329163 / Median background value [ADU/s] SIG_BG = 14.2155838013 / STDDEV of the background [ADU/s] GLIMIT = 'TRUE ' / Gaussian fluxes are 3sigma upper limits? GCNT = 1439.64001786 / Gaussian nuclear count rate [ADU/s] GCNTERR = 168.785905543 / Gaussian nuclear count rate error [ADU/s] GCONV = 0.630828520066 / Gauss. flux convers. fac. from STD [mJy/ADU/s] GCONVERR= 0.0118755990043 / Gauss. flux convers. fac. error [mJy/ADU/s] GFLUX = 908.165981895 / Gaussian nuclear flux [mJy] GFLUXERR= 107.838819785 / Gaussian nuclear flux error [mJy] PMANSCAL= 1.00000000000 / PSF manual scaling factor PLIMIT = 'TRUE ' / PSF fluxes are 3sigma upper limits? PCNT = 304.608481937 / PSF nuclear count rate [ADU/s] PCNTERR = 168.785905543 / PSF nuclear count rate error [ADU/s] PFLUX = 192.155717860 / PSF nuclear flux [mJy] PFLUXERR= 106.536394665 / PSF nuclear flux error [mJy] FWHM_MAJ= 0.999999986417 / Major axis FWHM of Gauss 2D fit ["] EFWHM_MA= 0.00000000000 / Major axis FWHM error of Gauss 2D fit ["] FWHM_MIN= 0.999999986417 / Minor axis FWHM of Gauss 2D fit ["] EFWHM_MI= 0.00000000000 / Minor axis FWHM error of Gauss 2D fit ["] POSANG = 158.756819335 / Nuclear position angle in from N to E [deg] SIGNIFIC= 1.44155842176 / Estimated detection significane [sigma_BG] REDCHISQ= 0.946968056489 / Reduced Chi^2 of the Gauss 2D fitting APERDIA = 15.7480309935 / Aperture diameter [px] ACNT = 2245.50073242 / Aperture nuclear count rate [ADU/s] ACNTERR = 211.788299561 / Aperture nuclear count rate error [ADU/s] ACONV = 0.509726674950 / Aperture flux convers. fac. from STD [mJy/ADU/s ACONVERR= 0.00447818804790 / Aperture flux convers. fac. error [mJy/ADU/s] AFLUX = 1144.59162193 / Aperture nuclear flux [mJy] AFLUXERR= 108.421474725 / Aperture nuclear flux error [mJy] CTYPE1 = 'RA---TAN' / Coordinate Type CTYPE2 = 'DEC--TAN' / Coordinate Type EQUINOX = 2000.00 / Equinox of Ref. Coord. CD1_1 = -3.52777788066E-05 / Degrees / Pixel CD2_1 = 0.00000000000 / Degrees / Pixel CD1_2 = 0.00000000000 / Degrees / Pixel CD2_2 = 3.52777788066E-05 / Degrees / Pixel CRPIX1 = 25.5000 / Reference Pixel in X CRPIX2 = 25.5000 / Reference Pixel in Y CRVAL1 = 11.8879166667 / R.A. (degrees) of reference pixel CRVAL2 = -25.2883333333 / Declination of reference pixel HISTORY PUTAST: Mar 11 15:03:24 2014 World Coordinate System parameters written COMMENT WCS assigned using target position determined from other wavelengths. COMMENT Imprecision of the assignment itself is ~1px ~ 0.1". END |