! Started logfile: J1638+5720_S_2003_06_18_pus_uvs.log on Wed Jan 24 18:34:46 2007 obs J1638+5720_S_2003_06_18_pus_uva.fits ! Reading UV FITS file: J1638+5720_S_2003_06_18_pus_uva.fits ! AN table 1: 127 integrations on 153 of 153 possible baselines. ! AN table 2: 157 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.106715 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1638+5720 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 2.23697e+09 8e+06 1 8e+06 ! 02 2 2.26697e+09 8e+06 1 8e+06 ! 03 3 2.35697e+09 8e+06 1 8e+06 ! 04 4 2.37697e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2429 lines of history. ! ! Reading 18548 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.500x0.500 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 2226 telescope corrections were flagged in sub-array 1. ! A total of 1743 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2226 telescope corrections were flagged in sub-array 1. ! A total of 1743 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2226 telescope corrections were flagged in sub-array 1. ! A total of 1743 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2226 telescope corrections were flagged in sub-array 1. ! A total of 1743 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.645577Jy sigma=0.006498 ! Fit after self-cal, rms=0.389992Jy sigma=0.003971 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.488 mas, bmaj=3.741 mas, bpa=-13.77 degrees ! Estimated noise=1207.39 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.50403 Jy ! Component: 100 - total flux cleaned = 0.662336 Jy ! Total flux subtracted in 100 components = 0.662336 Jy ! Clean residual min=-0.042785 max=0.077596 Jy/beam ! Clean residual mean=0.001191 rms=0.013391 Jy/beam ! Combined flux in latest and established models = 0.662336 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.662336 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.354375Jy sigma=0.002997 ! Fit after self-cal, rms=0.353782Jy sigma=0.002993 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.094279 Jy ! Component: 100 - total flux cleaned = 0.154197 Jy ! Total flux subtracted in 100 components = 0.154197 Jy ! Clean residual min=-0.024241 max=0.035096 Jy/beam ! Clean residual mean=0.000953 rms=0.008261 Jy/beam ! Combined flux in latest and established models = 0.816533 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 20 components and 0.816533 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.294874Jy sigma=0.002388 ! Fit after self-cal, rms=0.294212Jy sigma=0.002384 ! Inverting map print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.208 mas, bmaj=4.6 mas, bpa=-17.79 degrees ! Estimated noise=546.4 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0886804 Jy ! Component: 100 - total flux cleaned = 0.132149 Jy ! Component: 150 - total flux cleaned = 0.155015 Jy ! Component: 200 - total flux cleaned = 0.167377 Jy ! Total flux subtracted in 200 components = 0.167377 Jy ! Clean residual min=-0.015991 max=0.022125 Jy/beam ! Clean residual mean=0.003105 rms=0.004915 Jy/beam ! Combined flux in latest and established models = 0.983911 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 33 components and 0.983911 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265913Jy sigma=0.002095 ! Fit after self-cal, rms=0.265296Jy sigma=0.002092 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.01 GG 1.00* HN 0.94 ! KK 1.00* KP 1.02 LA 0.98 MA 1.00* ! MK 1.00* NL 1.02 ON 1.00* OV 1.19 ! PT 0.93 SC 0.96 TC 1.00* TS 1.01 ! WF 1.08 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.03 GG 1.00* HN 1.03 ! KK 1.00* KP 1.08 LA 0.98 MA 1.00* ! MK 1.00* NL 0.97 ON 1.00* OV 1.07 ! PT 0.93 SC 0.97 TC 1.00* TS 1.01 ! WF 0.94 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 1.00 GG 1.00* HN 1.03 ! KK 1.00* KP 1.03 LA 0.93 MA 1.00* ! MK 1.00* NL 0.96 ON 1.00* OV 0.96 ! PT 0.94 SC 1.10 TC 1.00* TS 1.02 ! WF 0.94 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.00* FD 0.00* GG 0.00* HN 0.00* ! KK 0.00* KP 0.00* LA 0.00* MA 0.00* ! MK 0.00* NL 0.00* ON 0.00* OV 0.00* ! PT 0.00* SC 0.00* TC 0.00* TS 0.00* ! WF 0.00* WZ 0.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 FD 1.02 GG 1.00* HN 0.93 ! KK 1.00* KP 1.05 LA 0.96 MA 1.00* ! MK 1.00* NL 1.00 ON 1.00* OV 1.22 ! PT 0.97 SC 1.07 TC 1.00* TS 0.99 ! WF 0.95 WZ 1.00* ! ! ! Fit before self-cal, rms=0.265296Jy sigma=0.002092 ! Fit after self-cal, rms=0.265245Jy sigma=0.002009 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.222 mas, bmaj=4.876 mas, bpa=-19.75 degrees ! Estimated noise=554.368 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-2.5, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138138 Jy ! Component: 100 - total flux cleaned = 0.0172825 Jy ! Component: 150 - total flux cleaned = 0.0178092 Jy ! Component: 200 - total flux cleaned = 0.0180407 Jy ! Total flux subtracted in 200 components = 0.0180407 Jy ! Clean residual min=-0.006574 max=0.009698 Jy/beam ! Clean residual mean=0.000706 rms=0.001994 Jy/beam ! Combined flux in latest and established models = 1.00195 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 47 components and 1.00195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264382Jy sigma=0.002003 ! Fit after self-cal, rms=0.264417Jy sigma=0.002001 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264417Jy sigma=0.002001 ! Fit after self-cal, rms=0.264795Jy sigma=0.002000 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.221 mas, bmaj=4.872 mas, bpa=-19.81 degrees ! Estimated noise=555.847 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00721407 Jy ! Component: 100 - total flux cleaned = 0.010202 Jy ! Component: 150 - total flux cleaned = 0.0111156 Jy ! Component: 200 - total flux cleaned = 0.0113171 Jy ! Total flux subtracted in 200 components = 0.0113171 Jy ! Clean residual min=-0.005670 max=0.007694 Jy/beam ! Clean residual mean=0.000387 rms=0.001680 Jy/beam ! Combined flux in latest and established models = 1.01327 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 56 components and 1.01327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264488Jy sigma=0.001999 ! Fit after self-cal, rms=0.264451Jy sigma=0.001999 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (59.5, -21.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00656371 Jy ! Component: 100 - total flux cleaned = 0.00841791 Jy ! Component: 150 - total flux cleaned = 0.00912388 Jy ! Component: 200 - total flux cleaned = 0.00942571 Jy ! Total flux subtracted in 200 components = 0.00942571 Jy ! Clean residual min=-0.005815 max=0.006127 Jy/beam ! Clean residual mean=0.000156 rms=0.001429 Jy/beam ! Combined flux in latest and established models = 1.02269 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 74 components and 1.02269 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264206Jy sigma=0.001997 ! Fit after self-cal, rms=0.264186Jy sigma=0.001996 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.264186Jy sigma=0.001996 ! Fit after self-cal, rms=0.265626Jy sigma=0.001996 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.221 mas, bmaj=4.871 mas, bpa=-19.83 degrees ! Estimated noise=557.983 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00429881 Jy ! Component: 100 - total flux cleaned = 0.00703006 Jy ! Component: 150 - total flux cleaned = 0.00801231 Jy ! Component: 200 - total flux cleaned = 0.00832533 Jy ! Total flux subtracted in 200 components = 0.00832533 Jy ! Clean residual min=-0.005975 max=0.005852 Jy/beam ! Clean residual mean=0.000081 rms=0.001437 Jy/beam ! Combined flux in latest and established models = 1.03102 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 83 components and 1.03102 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265454Jy sigma=0.001996 ! Fit after self-cal, rms=0.265455Jy sigma=0.001996 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00106241 Jy ! Component: 100 - total flux cleaned = 0.00139346 Jy ! Component: 150 - total flux cleaned = 0.00157546 Jy ! Component: 200 - total flux cleaned = 0.00169009 Jy ! Total flux subtracted in 200 components = 0.00169009 Jy ! Clean residual min=-0.006073 max=0.005578 Jy/beam ! Clean residual mean=0.000046 rms=0.001416 Jy/beam ! Combined flux in latest and established models = 1.03271 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 89 components and 1.03271 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265412Jy sigma=0.001995 ! Fit after self-cal, rms=0.265409Jy sigma=0.001995 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.265409Jy sigma=0.001995 ! Fit after self-cal, rms=0.266956Jy sigma=0.001995 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.929 mas, bmaj=16.72 mas, bpa=-68.57 degrees ! Estimated noise=767.371 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00514707 Jy ! Component: 100 - total flux cleaned = 0.00756898 Jy ! Component: 150 - total flux cleaned = 0.00854574 Jy ! Component: 200 - total flux cleaned = 0.00870285 Jy ! Total flux subtracted in 200 components = 0.00870285 Jy ! Clean residual min=-0.005722 max=0.004612 Jy/beam ! Clean residual mean=-0.000028 rms=0.001633 Jy/beam ! Combined flux in latest and established models = 1.04141 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 113 components and 1.04141 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266841Jy sigma=0.001995 ! Fit after self-cal, rms=0.266841Jy sigma=0.001995 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000566948 Jy ! Component: 100 - total flux cleaned = 0.000568661 Jy ! Component: 150 - total flux cleaned = 0.000611871 Jy ! Component: 200 - total flux cleaned = 0.000610261 Jy ! Total flux subtracted in 200 components = 0.000610261 Jy ! Clean residual min=-0.005808 max=0.004533 Jy/beam ! Clean residual mean=-0.000051 rms=0.001601 Jy/beam ! Combined flux in latest and established models = 1.04202 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 117 components and 1.04202 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266830Jy sigma=0.001995 ! Fit after self-cal, rms=0.266825Jy sigma=0.001995 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Estimated beam: bmin=2.218 mas, bmaj=4.87 mas, bpa=-19.81 degrees ! Estimated noise=560.205 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.218 x 4.87 at -19.81 degrees (North through East) ! Clean map min=-0.0063677 max=0.75257 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.266825Jy sigma=0.001995 ! Fit after self-cal, rms=0.249771Jy sigma=0.001683 ! Inverting map and beam ! Estimated beam: bmin=2.215 mas, bmaj=4.869 mas, bpa=-19.85 degrees ! Estimated noise=559.383 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00353364 Jy ! Component: 100 - total flux cleaned = -0.00336513 Jy ! Component: 150 - total flux cleaned = -0.0031589 Jy ! Component: 200 - total flux cleaned = -0.0031034 Jy ! Total flux subtracted in 200 components = -0.0031034 Jy ! Clean residual min=-0.003480 max=0.003111 Jy/beam ! Clean residual mean=0.000248 rms=0.000886 Jy/beam ! Combined flux in latest and established models = 1.03892 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 130 components and 1.03892 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249679Jy sigma=0.001682 ! Fit after self-cal, rms=0.249677Jy sigma=0.001682 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -6.87656e-05 Jy ! Component: 100 - total flux cleaned = 8.81228e-05 Jy ! Component: 150 - total flux cleaned = 0.000229055 Jy ! Component: 200 - total flux cleaned = 0.000315801 Jy ! Total flux subtracted in 200 components = 0.000315801 Jy ! Clean residual min=-0.003424 max=0.003149 Jy/beam ! Clean residual mean=0.000235 rms=0.000850 Jy/beam ! Combined flux in latest and established models = 1.03924 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 142 components and 1.03924 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249656Jy sigma=0.001682 ! Fit after self-cal, rms=0.249656Jy sigma=0.001682 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249656Jy sigma=0.001682 ! Fit after self-cal, rms=0.249590Jy sigma=0.001682 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.455 mas, bmaj=4.481 mas, bpa=-17.66 degrees ! Estimated noise=1337.94 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.507202 Jy ! Component: 100 - total flux cleaned = 0.671324 Jy ! Component: 150 - total flux cleaned = 0.772082 Jy ! Component: 200 - total flux cleaned = 0.841449 Jy ! Total flux subtracted in 200 components = 0.841449 Jy ! Clean residual min=-0.019182 max=0.038001 Jy/beam ! Clean residual mean=0.000521 rms=0.006577 Jy/beam ! Combined flux in latest and established models = 0.841449 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 18 model components to the UV plane model. ! The established model now contains 18 components and 0.841449 Jy ! Inverting map and beam ! Estimated beam: bmin=2.215 mas, bmaj=4.87 mas, bpa=-19.85 degrees ! Estimated noise=559.168 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0832708 Jy ! Component: 100 - total flux cleaned = 0.125387 Jy ! Component: 150 - total flux cleaned = 0.147722 Jy ! Component: 200 - total flux cleaned = 0.160688 Jy ! Total flux subtracted in 200 components = 0.160688 Jy ! Clean residual min=-0.004137 max=0.007018 Jy/beam ! Clean residual mean=0.001057 rms=0.001737 Jy/beam ! Combined flux in latest and established models = 1.00214 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 54 components and 1.00214 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 20 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=6.933 mas, bmaj=16.74 mas, bpa=-68.52 degrees ! Estimated noise=766.532 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138417 Jy ! Component: 100 - total flux cleaned = 0.0218846 Jy ! Component: 150 - total flux cleaned = 0.0271268 Jy ! Component: 200 - total flux cleaned = 0.0306849 Jy ! Total flux subtracted in 200 components = 0.0306849 Jy ! Clean residual min=-0.002604 max=0.003988 Jy/beam ! Clean residual mean=0.000803 rms=0.001147 Jy/beam ! Combined flux in latest and established models = 1.03282 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00252316 Jy ! Component: 100 - total flux cleaned = 0.00432435 Jy ! Component: 150 - total flux cleaned = 0.00509772 Jy ! Component: 200 - total flux cleaned = 0.00552449 Jy ! Total flux subtracted in 200 components = 0.00552449 Jy ! Clean residual min=-0.003417 max=0.003977 Jy/beam ! Clean residual mean=0.000502 rms=0.001018 Jy/beam ! Combined flux in latest and established models = 1.03835 Jy ! Adding 73 model components to the UV plane model. ! The established model now contains 112 components and 1.03835 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.215 mas, bmaj=4.87 mas, bpa=-19.85 degrees ! Estimated noise=559.168 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000178161 Jy ! Component: 100 - total flux cleaned = -0.000350922 Jy ! Component: 150 - total flux cleaned = -0.000423882 Jy ! Component: 200 - total flux cleaned = -0.00024455 Jy ! Total flux subtracted in 200 components = -0.00024455 Jy ! Clean residual min=-0.003242 max=0.003533 Jy/beam ! Clean residual mean=0.000246 rms=0.000876 Jy/beam ! Combined flux in latest and established models = 1.0381 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 130 components and 1.0381 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.249573Jy sigma=0.001682 ! Fit after self-cal, rms=0.249579Jy sigma=0.001682 wmodel J1638+5720_S_2003_06_18_pus_map.mod ! Writing 130 model components to file: J1638+5720_S_2003_06_18_pus_map.mod wobs J1638+5720_S_2003_06_18_pus_uvs.fits ! Writing UV FITS file: J1638+5720_S_2003_06_18_pus_uvs.fits wwins J1638+5720_S_2003_06_18_pus_map.win ! wwins: Wrote 3 windows to J1638+5720_S_2003_06_18_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.000257935 Jy ! Component: 100 - total flux cleaned = 0.000255447 Jy ! Component: 150 - total flux cleaned = 0.000306873 Jy ! Component: 200 - total flux cleaned = 0.000446997 Jy ! Component: 250 - total flux cleaned = 0.000535919 Jy ! Component: 300 - total flux cleaned = 0.000622381 Jy ! Component: 350 - total flux cleaned = 0.000747499 Jy ! Component: 400 - total flux cleaned = 0.000908604 Jy ! Component: 450 - total flux cleaned = 0.00106507 Jy ! Component: 500 - total flux cleaned = 0.00121761 Jy ! Component: 550 - total flux cleaned = 0.00140371 Jy ! Component: 600 - total flux cleaned = 0.00162195 Jy ! Component: 650 - total flux cleaned = 0.00179957 Jy ! Component: 700 - total flux cleaned = 0.00193851 Jy ! Component: 750 - total flux cleaned = 0.0021082 Jy ! Component: 800 - total flux cleaned = 0.00220833 Jy ! Component: 850 - total flux cleaned = 0.00246964 Jy ! Component: 900 - total flux cleaned = 0.00266145 Jy ! Component: 950 - total flux cleaned = 0.00278714 Jy ! Component: 1000 - total flux cleaned = 0.00297265 Jy ! Component: 1050 - total flux cleaned = 0.0031549 Jy ! Component: 1100 - total flux cleaned = 0.00333363 Jy ! Component: 1150 - total flux cleaned = 0.00348022 Jy ! Component: 1200 - total flux cleaned = 0.00368206 Jy ! Component: 1250 - total flux cleaned = 0.00385252 Jy ! Component: 1300 - total flux cleaned = 0.00404789 Jy ! Component: 1350 - total flux cleaned = 0.00426745 Jy ! Component: 1400 - total flux cleaned = 0.00442939 Jy ! Component: 1450 - total flux cleaned = 0.00458925 Jy ! Component: 1500 - total flux cleaned = 0.0047985 Jy ! Component: 1550 - total flux cleaned = 0.00490159 Jy ! Component: 1600 - total flux cleaned = 0.00502904 Jy ! Component: 1650 - total flux cleaned = 0.00517953 Jy ! Component: 1700 - total flux cleaned = 0.00527846 Jy ! Component: 1750 - total flux cleaned = 0.0054252 Jy ! Component: 1800 - total flux cleaned = 0.00554584 Jy ! Component: 1850 - total flux cleaned = 0.0056414 Jy ! Component: 1900 - total flux cleaned = 0.00575957 Jy ! Component: 1950 - total flux cleaned = 0.00592244 Jy ! Component: 2000 - total flux cleaned = 0.00606013 Jy ! Total flux subtracted in 2048 components = 0.00617362 Jy ! Clean residual min=-0.001204 max=0.001421 Jy/beam ! Clean residual mean=0.000087 rms=0.000452 Jy/beam ! Combined flux in latest and established models = 1.04428 Jy keep ! Adding 124 model components to the UV plane model. ! The established model now contains 254 components and 1.04428 Jy wmap "J1638+5720_S_2003_06_18_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.215 x 4.87 at -19.85 degrees (North through East) ! Clean map min=-0.0028971 max=0.75236 Jy/beam ! Writing clean map to FITS file: J1638+5720_S_2003_06_18_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.752364 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000457141 device "J1638+5720_S_2003_06_18_pus\_map.eps/VPS" ! Attempting to open device: 'J1638+5720_S_2003_06_18_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.182282 0.182282 0.364564 0.729128 1.45826 2.91651 5.83302 11.666 23.3321 46.6642 93.3284 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0013 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.752 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.215 x 4.87 at -19.85 degrees (North through East) ! Clean map min=-0.0028971 max=0.75236 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1638+5720_S_2003_06_18_pus\_map.gif/vgif" ! Attempting to open device: 'J1638+5720_S_2003_06_18_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1638+5720_S_2003_06_18_pus_uvs.log closed on Wed Jan 24 18:36:19 2007