SIMPLE = T / Written by IDL: Tue Mar 11 14:55:44 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 = 'Q2 ' / Imager filter name WAVELEN = 18.7199993134 / Filter central wavelength [micron] FHWIDTH = 0.879999995232 / Filter half-width [micron] EXPTIME = 1396.79992676 / 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 = 53843.0439756 / Mean Julian day of observation DATE-OBS= '2006-04-18T01-03' / Date of start of observation AIRMASS = 1.35850000381 / Airmass at start of observation SEEING = 0.930000007153 / Optical seeing at zenith ["] SENSITIV= 88.9499053955 / Sensitivity from STD [mJy 10sigma/1h] NONDETEC= 'FALSE ' / No source detected? STDNAME = 'HD108985' / Calibrator star name STDDATE = '2006-04-18T01-38' / Calibrator star observation date STDMJD = 53843.0686990 / Mean Julian day of the calibrator star observat STDFLUX = 1374.32003021 / Calibrator flux [mJy] STD_MAJ = 0.542464632956 / Calibrator major axis FWHM of Gauss 2D fit ["] STD_MIN = 0.490069363680 / Calibrator major axis FWHM of Gauss 2D fit ["] STDPA = 46.3771029615 / Calibrator position angle from N to E [deg] MED_BG = 0.0595932006836 / Median background value [ADU/s] SIG_BG = 2.36434483528 / STDDEV of the background [ADU/s] GLIMIT = 'TRUE ' / Gaussian fluxes are 3sigma upper limits? GCNT = 283.220214562 / Gaussian nuclear count rate [ADU/s] GCNTERR = 28.8026259445 / Gaussian nuclear count rate error [ADU/s] GCONV = 0.595538288110 / Gauss. flux convers. fac. from STD [mJy/ADU/s] GCONVERR= 0.0297968646088 / Gauss. flux convers. fac. error [mJy/ADU/s] GFLUX = 168.668481738 / Gaussian nuclear flux [mJy] GFLUXERR= 19.1166332947 / Gaussian nuclear flux error [mJy] PMANSCAL= 1.00000000000 / PSF manual scaling factor PLIMIT = 'TRUE ' / PSF fluxes are 3sigma upper limits? PCNT = 75.2927621959 / PSF nuclear count rate [ADU/s] PCNTERR = 28.8026259445 / PSF nuclear count rate error [ADU/s] PFLUX = 44.8397227052 / PSF nuclear flux [mJy] PFLUXERR= 17.2991598493 / 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 = 137.398068374 / Nuclear position angle in from N to E [deg] SIGNIFIC= 1.70512596148 / Estimated detection significane [sigma_BG] REDCHISQ= 0.996861672034 / Reduced Chi^2 of the Gauss 2D fitting APERDIA = 15.7480309935 / Aperture diameter [px] ACNT = 300.591888428 / Aperture nuclear count rate [ADU/s] ACNTERR = 38.4611434937 / Aperture nuclear count rate error [ADU/s] ACONV = 0.525474981172 / Aperture flux convers. fac. from STD [mJy/ADU/s ACONVERR= 0.0165150920234 / Aperture flux convers. fac. error [mJy/ADU/s] AFLUX = 157.953516912 / Aperture nuclear flux [mJy] AFLUXERR= 20.8111340965 / 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 |