SIMPLE = T / Written by IDL: Tue Mar 11 14:55:48 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 = '077.B-0060(B)' / Programm identification OBS NAME= 'NGC4945_imaging' / Name of the observation block (OB) OBJECT = 'NGC4945 ' / OB target name FILTER = 'PAH1 ' / Imager filter name WAVELEN = 8.59000015259 / Filter central wavelength [micron] FHWIDTH = 0.419999986887 / Filter half-width [micron] EXPTIME = 345.000000000 / Total on-source exposure time [s] PFOV = 0.127000004053 / Instrumental pixel scale [arcsec/px] CHOPMODE= 'PARALLEL' / Chopping mode CHOPTHRO= 15.0000000000 / Chopping throw [arcsec] CHOPANGL= 133.199996948 / Chopping angle [degrees] MJD-OBS = 53843.0140673 / Mean Julian day of observation DATE-OBS= '2006-04-18T00-20' / Date of start of observation AIRMASS = 1.53600001335 / Airmass at start of observation SEEING = 0.689999997616 / Optical seeing at zenith ["] SENSITIV= 5.17775058746 / Sensitivity from STD [mJy 10sigma/1h] NONDETEC= 'FALSE ' / No source detected? STDNAME = 'HD75691 ' / Calibrator star name STDDATE = '2006-04-17T23-35' / Calibrator star observation date STDMJD = 53842.9828185 / Mean Julian day of the calibrator star observat STDFLUX = 19055.1109314 / Calibrator flux [mJy] STD_MAJ = 0.318969824135 / Calibrator major axis FWHM of Gauss 2D fit ["] STD_MIN = 0.297856350470 / Calibrator major axis FWHM of Gauss 2D fit ["] STDPA = 34.4926050073 / Calibrator position angle from N to E [deg] MED_BG = 0.169146537781 / Median background value [ADU/s] SIG_BG = 2.68551588058 / STDDEV of the background [ADU/s] GLIMIT = 'FALSE ' / Gaussian fluxes are 3sigma upper limits? GCNT = 926.464670514 / Gaussian nuclear count rate [ADU/s] GCNTERR = 73.9329786209 / Gaussian nuclear count rate error [ADU/s] GCONV = 0.185093903446 / Gauss. flux convers. fac. from STD [mJy/ADU/s] GCONVERR= 0.00216709905778 / Gauss. flux convers. fac. error [mJy/ADU/s] GFLUX = 171.482962271 / Gaussian nuclear flux [mJy] GFLUXERR= 13.8310432177 / Gaussian nuclear flux error [mJy] PMANSCAL= 1.00000000000 / PSF manual scaling factor PLIMIT = 'FALSE ' / PSF fluxes are 3sigma upper limits? PCNT = 98.4511093210 / PSF nuclear count rate [ADU/s] PCNTERR = 73.9329786209 / PSF nuclear count rate error [ADU/s] PFLUX = 18.2227001229 / PSF nuclear flux [mJy] PFLUXERR= 13.6862066822 / PSF nuclear flux error [mJy] FWHM_MAJ= 0.999999986417 / Major axis FWHM of Gauss 2D fit ["] EFWHM_MA= 0.0407303417031 / Major axis FWHM error of Gauss 2D fit ["] FWHM_MIN= 0.894055966312 / Minor axis FWHM of Gauss 2D fit ["] EFWHM_MI= 0.00000000000 / Minor axis FWHM error of Gauss 2D fit ["] POSANG = 44.9004213976 / Nuclear position angle in from N to E [deg] SIGNIFIC= 5.49261885573 / Estimated detection significane [sigma_BG] REDCHISQ= 0.954537659962 / Reduced Chi^2 of the Gauss 2D fitting APERDIA = 15.7480309935 / Aperture diameter [px] ACNT = 1118.62377930 / Aperture nuclear count rate [ADU/s] ACNTERR = 51.3732490540 / Aperture nuclear count rate error [ADU/s] ACONV = 0.146865974392 / Aperture flux convers. fac. from STD [mJy/ADU/s ACONVERR= 0.000435466123567 / Aperture flux convers. fac. error [mJy/ADU/s] AFLUX = 164.287771324 / Aperture nuclear flux [mJy] AFLUXERR= 7.56069085398 / 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 = 196.364583333 / R.A. (degrees) of reference pixel CRVAL2 = -49.4683333333 / Declination of reference pixel HISTORY PUTAST: Mar 11 15:03:26 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 |