! Started logfile: J1957-3845_X_2001_07_05_pus_uvs.log on Fri Jul 6 15:26:12 2007 obs J1957-3845_X_2001_07_05_pus_uva.fits ! Reading UV FITS file: J1957-3845_X_2001_07_05_pus_uva.fits ! AN table 1: 49 integrations on 171 of 171 possible baselines. ! AN table 2: 26 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.091462 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J1957-3845 ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! Warning: Unknown AN-table MNTSTA value (3). ! Will assume that it is ground-based. ! ! 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 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 2374 lines of history. ! ! Reading 4692 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 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 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 0.200x0.200 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 585 telescope corrections were flagged in sub-array 1. ! A total of 494 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 585 telescope corrections were flagged in sub-array 1. ! A total of 494 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 585 telescope corrections were flagged in sub-array 1. ! A total of 494 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 585 telescope corrections were flagged in sub-array 1. ! A total of 494 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.255819Jy sigma=0.001769 ! Fit after self-cal, rms=0.254705Jy sigma=0.001746 ! 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=0.6395 mas, bmaj=2.164 mas, bpa=-12 degrees ! Estimated noise=2309.12 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 = 0.65293 Jy ! Component: 100 - total flux cleaned = 0.807554 Jy ! Total flux subtracted in 100 components = 0.807554 Jy ! Clean residual min=-0.028425 max=0.070714 Jy/beam ! Clean residual mean=0.000273 rms=0.010635 Jy/beam ! Combined flux in latest and established models = 0.807554 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.807554 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239741Jy sigma=0.001833 ! Fit after self-cal, rms=0.239643Jy sigma=0.001832 ! Inverting map ! Added new window around map position (-0.8, 0.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0815578 Jy ! Component: 100 - total flux cleaned = 0.134323 Jy ! Total flux subtracted in 100 components = 0.134323 Jy ! Clean residual min=-0.018369 max=0.032097 Jy/beam ! Clean residual mean=0.000132 rms=0.005616 Jy/beam ! Combined flux in latest and established models = 0.941877 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 23 components and 0.941877 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.193404Jy sigma=0.001271 ! Fit after self-cal, rms=0.192605Jy sigma=0.001266 ! 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=0.8125 mas, bmaj=2.546 mas, bpa=-10.68 degrees ! Estimated noise=1277.2 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 = 0.0551611 Jy ! Component: 100 - total flux cleaned = 0.0820609 Jy ! Component: 150 - total flux cleaned = 0.0961355 Jy ! Component: 200 - total flux cleaned = 0.103786 Jy ! Total flux subtracted in 200 components = 0.103786 Jy ! Clean residual min=-0.007508 max=0.011805 Jy/beam ! Clean residual mean=-0.000006 rms=0.002285 Jy/beam ! Combined flux in latest and established models = 1.04566 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 49 components and 1.04566 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179588Jy sigma=0.001080 ! Fit after self-cal, rms=0.179167Jy sigma=0.001076 ! Inverting map print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00 KP 0.99 ! LA 0.99 MC 1.00* MK 1.00 NL 1.02 ! NY 1.00* OV 1.01 PT 0.99 SC 1.00 ! TS 1.00* WF 1.02 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 0.99 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00 KP 0.99 ! LA 0.99 MC 1.00* MK 1.00 NL 1.02 ! NY 1.00* OV 1.01 PT 0.99 SC 1.00 ! TS 1.00* WF 1.03 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 1.00 KP 0.99 ! LA 0.99 MC 1.00* MK 1.00 NL 1.03 ! NY 1.00* OV 1.01 PT 0.99 SC 1.00 ! TS 1.00* WF 1.03 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00* FD 1.00 GC 1.00* GG 1.00* ! HH 1.00* HN 1.00* KK 0.99 KP 0.99 ! LA 0.99 MC 1.00* MK 1.01 NL 1.03 ! NY 1.00* OV 1.01 PT 0.99 SC 1.00 ! TS 1.00* WF 1.03 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.00* FD 0.00* GC 0.00* GG 0.00* ! HH 0.00* HN 0.00* KK 0.00* KP 0.00* ! LA 0.00* MC 0.00* MK 0.00* NL 0.00* ! NY 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* WF 0.00* WZ 0.00* ! ! ! Fit before self-cal, rms=0.179167Jy sigma=0.001076 ! Fit after self-cal, rms=0.181365Jy sigma=0.001071 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.814 mas, bmaj=2.551 mas, bpa=-10.62 degrees ! Estimated noise=1275.18 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 = 0.000329078 Jy ! Component: 100 - total flux cleaned = 0.000215824 Jy ! Component: 150 - total flux cleaned = 0.000218117 Jy ! Component: 200 - total flux cleaned = 0.000213435 Jy ! Total flux subtracted in 200 components = 0.000213435 Jy ! Clean residual min=-0.006991 max=0.006894 Jy/beam ! Clean residual mean=-0.000028 rms=0.001806 Jy/beam ! Combined flux in latest and established models = 1.04588 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 59 components and 1.04588 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.181217Jy sigma=0.001069 ! Fit after self-cal, rms=0.181202Jy sigma=0.001069 ! 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=0.181202Jy sigma=0.001069 ! Fit after self-cal, rms=0.180792Jy sigma=0.001068 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8143 mas, bmaj=2.551 mas, bpa=-10.59 degrees ! Estimated noise=1274.95 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000258542 Jy ! Component: 100 - total flux cleaned = 0.000171747 Jy ! Component: 150 - total flux cleaned = 0.000165894 Jy ! Component: 200 - total flux cleaned = 3.91519e-05 Jy ! Total flux subtracted in 200 components = 3.91519e-05 Jy ! Clean residual min=-0.006076 max=0.006728 Jy/beam ! Clean residual mean=-0.000048 rms=0.001747 Jy/beam ! Combined flux in latest and established models = 1.04592 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 64 components and 1.04592 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180707Jy sigma=0.001067 ! Fit after self-cal, rms=0.180675Jy sigma=0.001067 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 = 0.00050874 Jy ! Component: 100 - total flux cleaned = 0.000504187 Jy ! Component: 150 - total flux cleaned = 0.000393972 Jy ! Component: 200 - total flux cleaned = 0.000294914 Jy ! Total flux subtracted in 200 components = 0.000294914 Jy ! Clean residual min=-0.005972 max=0.006570 Jy/beam ! Clean residual mean=-0.000048 rms=0.001728 Jy/beam ! Combined flux in latest and established models = 1.04621 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 67 components and 1.04621 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.180628Jy sigma=0.001067 ! Fit after self-cal, rms=0.180605Jy sigma=0.001067 ! 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=0.180605Jy sigma=0.001067 ! Fit after self-cal, rms=0.179976Jy sigma=0.001067 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8144 mas, bmaj=2.551 mas, bpa=-10.56 degrees ! Estimated noise=1274.35 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.54997e-05 Jy ! Component: 100 - total flux cleaned = 4.23252e-05 Jy ! Component: 150 - total flux cleaned = 9.0664e-05 Jy ! Component: 200 - total flux cleaned = 9.1189e-05 Jy ! Total flux subtracted in 200 components = 9.1189e-05 Jy ! Clean residual min=-0.005852 max=0.006452 Jy/beam ! Clean residual mean=-0.000044 rms=0.001693 Jy/beam ! Combined flux in latest and established models = 1.0463 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 68 components and 1.0463 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179939Jy sigma=0.001066 ! Fit after self-cal, rms=0.179917Jy sigma=0.001066 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 = 0.000387188 Jy ! Component: 100 - total flux cleaned = 0.000337811 Jy ! Component: 150 - total flux cleaned = 0.000294656 Jy ! Component: 200 - total flux cleaned = 0.000257467 Jy ! Total flux subtracted in 200 components = 0.000257467 Jy ! Clean residual min=-0.005806 max=0.006382 Jy/beam ! Clean residual mean=-0.000044 rms=0.001680 Jy/beam ! Combined flux in latest and established models = 1.04656 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 71 components and 1.04656 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179890Jy sigma=0.001066 ! Fit after self-cal, rms=0.179875Jy sigma=0.001066 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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=0.179875Jy sigma=0.001066 ! Fit after self-cal, rms=0.179424Jy sigma=0.001066 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.595 mas, bmaj=8.176 mas, bpa=-3.295 degrees ! Estimated noise=1568.3 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000269149 Jy ! Component: 100 - total flux cleaned = 0.000259862 Jy ! Component: 150 - total flux cleaned = 0.000204291 Jy ! Component: 200 - total flux cleaned = 0.000203867 Jy ! Total flux subtracted in 200 components = 0.000203867 Jy ! Clean residual min=-0.005517 max=0.007714 Jy/beam ! Clean residual mean=-0.000076 rms=0.002195 Jy/beam ! Combined flux in latest and established models = 1.04676 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 74 components and 1.04676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179416Jy sigma=0.001066 ! Fit after self-cal, rms=0.179371Jy sigma=0.001066 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 = 0.000373892 Jy ! Component: 100 - total flux cleaned = 0.000382611 Jy ! Component: 150 - total flux cleaned = 0.000383378 Jy ! Component: 200 - total flux cleaned = 0.000349497 Jy ! Total flux subtracted in 200 components = 0.000349497 Jy ! Clean residual min=-0.005593 max=0.007612 Jy/beam ! Clean residual mean=-0.000076 rms=0.002193 Jy/beam ! Combined flux in latest and established models = 1.04711 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 76 components and 1.04711 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.179389Jy sigma=0.001066 ! Fit after self-cal, rms=0.179357Jy sigma=0.001066 ! 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=0.8146 mas, bmaj=2.55 mas, bpa=-10.53 degrees ! Estimated noise=1273.95 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8146 x 2.55 at -10.53 degrees (North through East) ! Clean map min=-0.0051146 max=0.8607 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=0.179357Jy sigma=0.001066 ! Fit after self-cal, rms=0.178518Jy sigma=0.001065 ! Inverting map and beam ! Estimated beam: bmin=0.8146 mas, bmaj=2.546 mas, bpa=-10.54 degrees ! Estimated noise=1273.12 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000250314 Jy ! Component: 100 - total flux cleaned = 0.000206912 Jy ! Component: 150 - total flux cleaned = 0.000173822 Jy ! Component: 200 - total flux cleaned = 0.000142126 Jy ! Total flux subtracted in 200 components = 0.000142126 Jy ! Clean residual min=-0.005456 max=0.006130 Jy/beam ! Clean residual mean=-0.000025 rms=0.001599 Jy/beam ! Combined flux in latest and established models = 1.04726 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 79 components and 1.04726 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178501Jy sigma=0.001065 ! Fit after self-cal, rms=0.178493Jy sigma=0.001065 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000146832 Jy ! Component: 100 - total flux cleaned = 8.0233e-05 Jy ! Component: 150 - total flux cleaned = 5.18803e-05 Jy ! Component: 200 - total flux cleaned = 2.44035e-05 Jy ! Total flux subtracted in 200 components = 2.44035e-05 Jy ! Clean residual min=-0.005457 max=0.006117 Jy/beam ! Clean residual mean=-0.000025 rms=0.001590 Jy/beam ! Combined flux in latest and established models = 1.04728 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 85 components and 1.04728 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178483Jy sigma=0.001065 ! Fit after self-cal, rms=0.178477Jy sigma=0.001065 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178477Jy sigma=0.001065 ! Fit after self-cal, rms=0.178211Jy sigma=0.001065 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=0.6405 mas, bmaj=2.161 mas, bpa=-11.86 degrees ! Estimated noise=2308.72 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.652789 Jy ! Component: 100 - total flux cleaned = 0.808998 Jy ! Component: 150 - total flux cleaned = 0.889549 Jy ! Component: 200 - total flux cleaned = 0.941171 Jy ! Total flux subtracted in 200 components = 0.941171 Jy ! Clean residual min=-0.016901 max=0.027325 Jy/beam ! Clean residual mean=0.000115 rms=0.004889 Jy/beam ! Combined flux in latest and established models = 0.941171 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.941171 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8146 mas, bmaj=2.546 mas, bpa=-10.52 degrees ! Estimated noise=1272.87 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 = 0.0521242 Jy ! Component: 100 - total flux cleaned = 0.0770103 Jy ! Component: 150 - total flux cleaned = 0.0897247 Jy ! Component: 200 - total flux cleaned = 0.0964459 Jy ! Total flux subtracted in 200 components = 0.0964459 Jy ! Clean residual min=-0.006198 max=0.006190 Jy/beam ! Clean residual mean=-0.000007 rms=0.001684 Jy/beam ! Combined flux in latest and established models = 1.03762 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 42 components and 1.03762 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.593 mas, bmaj=8.163 mas, bpa=-3.265 degrees ! Estimated noise=1567.18 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00534798 Jy ! Component: 100 - total flux cleaned = 0.00705581 Jy ! Component: 150 - total flux cleaned = 0.0071957 Jy ! Component: 200 - total flux cleaned = 0.00728487 Jy ! Total flux subtracted in 200 components = 0.00728487 Jy ! Clean residual min=-0.005329 max=0.007262 Jy/beam ! Clean residual mean=-0.000037 rms=0.002032 Jy/beam ! Combined flux in latest and established models = 1.0449 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 = 0.000126077 Jy ! Component: 100 - total flux cleaned = 0.000244213 Jy ! Component: 150 - total flux cleaned = 0.000318487 Jy ! Component: 200 - total flux cleaned = 0.000424565 Jy ! Total flux subtracted in 200 components = 0.000424565 Jy ! Clean residual min=-0.005309 max=0.007217 Jy/beam ! Clean residual mean=-0.000039 rms=0.002024 Jy/beam ! Combined flux in latest and established models = 1.04533 Jy ! Adding 14 model components to the UV plane model. ! The established model now contains 56 components and 1.04533 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8146 mas, bmaj=2.546 mas, bpa=-10.52 degrees ! Estimated noise=1272.87 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000545565 Jy ! Component: 100 - total flux cleaned = -0.000618395 Jy ! Component: 150 - total flux cleaned = -0.000615495 Jy ! Component: 200 - total flux cleaned = -0.000555499 Jy ! Total flux subtracted in 200 components = -0.0005555 Jy ! Clean residual min=-0.005503 max=0.006512 Jy/beam ! Clean residual mean=-0.000020 rms=0.001601 Jy/beam ! Combined flux in latest and established models = 1.04477 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 64 components and 1.04477 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.178153Jy sigma=0.001066 ! Fit after self-cal, rms=0.178044Jy sigma=0.001065 wmodel J1957-3845_X_2001_07_05_pus_map.mod ! Writing 64 model components to file: J1957-3845_X_2001_07_05_pus_map.mod wobs J1957-3845_X_2001_07_05_pus_uvs.fits ! Writing UV FITS file: J1957-3845_X_2001_07_05_pus_uvs.fits wwins J1957-3845_X_2001_07_05_pus_map.win ! wwins: Wrote 2 windows to J1957-3845_X_2001_07_05_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 = 0.0013952 Jy ! Component: 100 - total flux cleaned = 0.00198718 Jy ! Component: 150 - total flux cleaned = 0.00244116 Jy ! Component: 200 - total flux cleaned = 0.00278274 Jy ! Component: 250 - total flux cleaned = 0.00302837 Jy ! Component: 300 - total flux cleaned = 0.00302879 Jy ! Component: 350 - total flux cleaned = 0.0029525 Jy ! Component: 400 - total flux cleaned = 0.0026582 Jy ! Component: 450 - total flux cleaned = 0.00244485 Jy ! Component: 500 - total flux cleaned = 0.00237492 Jy ! Component: 550 - total flux cleaned = 0.00250917 Jy ! Component: 600 - total flux cleaned = 0.00257566 Jy ! Component: 650 - total flux cleaned = 0.00283198 Jy ! Component: 700 - total flux cleaned = 0.00289407 Jy ! Component: 750 - total flux cleaned = 0.00301677 Jy ! Component: 800 - total flux cleaned = 0.00307669 Jy ! Component: 850 - total flux cleaned = 0.00307696 Jy ! Component: 900 - total flux cleaned = 0.00302108 Jy ! Component: 950 - total flux cleaned = 0.00318859 Jy ! Component: 1000 - total flux cleaned = 0.0032427 Jy ! Component: 1050 - total flux cleaned = 0.00313368 Jy ! Component: 1100 - total flux cleaned = 0.00323834 Jy ! Component: 1150 - total flux cleaned = 0.00303048 Jy ! Component: 1200 - total flux cleaned = 0.00303026 Jy ! Component: 1250 - total flux cleaned = 0.0028798 Jy ! Component: 1300 - total flux cleaned = 0.00292843 Jy ! Component: 1350 - total flux cleaned = 0.00278403 Jy ! Component: 1400 - total flux cleaned = 0.00273745 Jy ! Component: 1450 - total flux cleaned = 0.00283096 Jy ! Component: 1500 - total flux cleaned = 0.00269224 Jy ! Component: 1550 - total flux cleaned = 0.00278327 Jy ! Component: 1600 - total flux cleaned = 0.00287269 Jy ! Component: 1650 - total flux cleaned = 0.00287205 Jy ! Component: 1700 - total flux cleaned = 0.00282871 Jy ! Component: 1750 - total flux cleaned = 0.002958 Jy ! Component: 1800 - total flux cleaned = 0.00295792 Jy ! Component: 1850 - total flux cleaned = 0.00299982 Jy ! Component: 1900 - total flux cleaned = 0.00295838 Jy ! Component: 1950 - total flux cleaned = 0.00291665 Jy ! Component: 2000 - total flux cleaned = 0.00295757 Jy ! Total flux subtracted in 2048 components = 0.00287707 Jy ! Clean residual min=-0.002354 max=0.002220 Jy/beam ! Clean residual mean=0.000005 rms=0.000774 Jy/beam ! Combined flux in latest and established models = 1.04765 Jy keep ! Adding 120 model components to the UV plane model. ! The established model now contains 184 components and 1.04765 Jy wmap "J1957-3845_X_2001_07_05_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8146 x 2.546 at -10.52 degrees (North through East) ! Clean map min=-0.0040087 max=0.86855 Jy/beam ! Writing clean map to FITS file: J1957-3845_X_2001_07_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.868551 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000766309 device "J1957-3845_X_2001_07_05_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_X_2001_07_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.264685 0.264685 0.529371 1.05874 2.11748 4.23497 8.46993 16.9399 33.8797 67.7594 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0022 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.868 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8146 x 2.546 at -10.52 degrees (North through East) ! Clean map min=-0.0040087 max=0.86855 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_X_2001_07_05_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_X_2001_07_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_X_2001_07_05_pus_uvs.log closed on Fri Jul 6 15:27:06 2007