FILENAME: 3c31_cxo2147tot_flux.fits # src-detector-freq-date SOURCE: 3c31 IMAGE NAME: tot fluxmap # concise label for thumbnail OBSCODE: 2147 # seq.#, obsid, or other useful number FILETYPE: primary array # change to 'uv' or 'events' if warranted ARRAY SIZE: 1024x1024 # single entry denotes a square array PIXEL SIZE: 0.123" # in arcsec DETECTOR: ACIS-S # include telescope e.g. Chandra/ACIS-S FREQUENCY: 0.5-7keV OBSDATE: 2000 Nov 11 # we prefer YYYYmmmdd, e.g. 2002jul22 OBSTIME: 47,821s # append 's', 'm', or whatever units BEAMSIZE: Gaussian smooth FWHM=0.5" # arcsec: restoring beam for radio; # else smoothing Gaussian convolved with PRF ORIG. PI: Hardcastle CONTRIB. by: xjet PUB-REF: Hardcastle et al. 2002 MNRAS 334 # reference to relevent publication COMMENTS: (describe any other helpful details about the image)