! Started logfile: J1957-3845_S_2003_09_17_pus_uvs.log on Tue May 22 17:16:23 2007 obs J1957-3845_S_2003_09_17_pus_uva.fits ! Reading UV FITS file: J1957-3845_S_2003_09_17_pus_uva.fits ! AN table 1: 42 integrations on 120 of 120 possible baselines. ! AN table 2: 94 integrations on 120 of 120 possible baselines. ! AN table 3: 5 integrations on 120 of 120 possible baselines. ! AN table 4: 57 integrations on 120 of 120 possible baselines. ! AN table 5: 267 integrations on 120 of 120 possible baselines. ! Apparent sampling: 0.0875806 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. ! 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. ! 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 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 1736 lines of history. ! ! Reading 19548 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 = 0.5 print "taper_size =",taper_size ! taper_size = 20 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 672 telescope corrections were flagged in sub-array 1. ! A total of 1091 telescope corrections were flagged in sub-array 2. ! A total of 80 telescope corrections were flagged in sub-array 3. ! A total of 912 telescope corrections were flagged in sub-array 4. ! A total of 3171 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 2. ! A total of 672 telescope corrections were flagged in sub-array 1. ! A total of 1083 telescope corrections were flagged in sub-array 2. ! A total of 80 telescope corrections were flagged in sub-array 3. ! A total of 912 telescope corrections were flagged in sub-array 4. ! A total of 3171 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 3. ! A total of 672 telescope corrections were flagged in sub-array 1. ! A total of 1091 telescope corrections were flagged in sub-array 2. ! A total of 80 telescope corrections were flagged in sub-array 3. ! A total of 912 telescope corrections were flagged in sub-array 4. ! A total of 3171 telescope corrections were flagged in sub-array 5. ! ! Correcting IF 4. ! A total of 672 telescope corrections were flagged in sub-array 1. ! A total of 1084 telescope corrections were flagged in sub-array 2. ! A total of 80 telescope corrections were flagged in sub-array 3. ! A total of 912 telescope corrections were flagged in sub-array 4. ! A total of 3171 telescope corrections were flagged in sub-array 5. ! ! Fit before self-cal, rms=0.853871Jy sigma=0.004504 ! Fit after self-cal, rms=0.853798Jy sigma=0.004503 ! 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=2.235 mas, bmaj=7.839 mas, bpa=2.097 degrees ! Estimated noise=2315.87 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 = 1.27223 Jy ! Component: 100 - total flux cleaned = 1.56311 Jy ! Total flux subtracted in 100 components = 1.56311 Jy ! Clean residual min=-0.035511 max=0.106702 Jy/beam ! Clean residual mean=0.001403 rms=0.013655 Jy/beam ! Combined flux in latest and established models = 1.56311 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 1.56311 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.461003Jy sigma=0.001730 ! Fit after self-cal, rms=0.460960Jy sigma=0.001730 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.117686 Jy ! Component: 100 - total flux cleaned = 0.184609 Jy ! Total flux subtracted in 100 components = 0.184609 Jy ! Clean residual min=-0.013506 max=0.033868 Jy/beam ! Clean residual mean=0.000700 rms=0.005454 Jy/beam ! Combined flux in latest and established models = 1.74772 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 18 components and 1.74772 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.407217Jy sigma=0.001187 ! Fit after self-cal, rms=0.406965Jy sigma=0.001187 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0405697 Jy ! Component: 100 - total flux cleaned = 0.0666137 Jy ! Total flux subtracted in 100 components = 0.0666137 Jy ! Clean residual min=-0.008895 max=0.015003 Jy/beam ! Clean residual mean=0.000446 rms=0.003206 Jy/beam ! Combined flux in latest and established models = 1.81433 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 44 components and 1.81433 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.398655Jy sigma=0.001084 ! Fit after self-cal, rms=0.398513Jy sigma=0.001084 ! 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=2.99 mas, bmaj=10.4 mas, bpa=-1.902 degrees ! Estimated noise=961.669 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 = 0.0355628 Jy ! Component: 100 - total flux cleaned = 0.0523026 Jy ! Component: 150 - total flux cleaned = 0.0604069 Jy ! Component: 200 - total flux cleaned = 0.0643476 Jy ! Total flux subtracted in 200 components = 0.0643476 Jy ! Clean residual min=-0.005253 max=0.010090 Jy/beam ! Clean residual mean=0.000733 rms=0.002407 Jy/beam ! Combined flux in latest and established models = 1.87868 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 61 components and 1.87868 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.395754Jy sigma=0.001048 ! Fit after self-cal, rms=0.395611Jy sigma=0.001047 ! 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: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 GC 1.00* HN 1.00* KP 1.01 ! LA 0.99 MK 1.00* NL 1.02 NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 1.02 ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 5: ! FD 1.00 GC 1.00* HN 1.00* KP 1.00 ! LA 0.99 MK 1.00 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 0.99 SC 1.01 ! TS 1.00* KK 1.00 WZ 1.00* WF 1.00* ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 GC 1.00* HN 1.00* KP 1.01 ! LA 0.99 MK 1.00* NL 1.02 NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 1.02 ! TS 1.00* KK 1.00* WZ 1.00* WF 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 5: ! FD 1.00 GC 1.00* HN 1.00* KP 1.00 ! LA 0.99 MK 1.00 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 1.00 SC 1.00 ! TS 1.00* KK 1.00 WZ 1.00* WF 1.00* ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 GC 1.00* HN 1.00* KP 1.01 ! LA 0.99 MK 1.00* NL 1.02 NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 1.02 ! TS 1.00* KK 1.00* WZ 1.00* WF 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 5: ! FD 1.00 GC 1.00* HN 1.00* KP 1.00 ! LA 0.99 MK 1.00 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 1.00 SC 1.00 ! TS 1.00* KK 1.00 WZ 1.00* WF 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 GC 1.00* HN 1.00* KP 1.01 ! LA 0.99 MK 1.00* NL 1.02 NY 1.00* ! ON 1.00* OV 1.00* PT 0.99 SC 1.02 ! TS 1.00* KK 1.00* WZ 1.00* WF 1.02 ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 4: ! FD 0.00* GC 0.00* HN 0.00* KP 0.00* ! LA 0.00* MK 0.00* NL 0.00* NY 0.00* ! ON 0.00* OV 0.00* PT 0.00* SC 0.00* ! TS 0.00* KK 0.00* WZ 0.00* WF 0.00* ! ! Telescope amplitude corrections in sub-array 5: ! FD 1.00 GC 1.00* HN 1.00* KP 1.00 ! LA 0.99 MK 1.00 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 1.00 SC 1.00 ! TS 1.00* KK 1.00 WZ 1.00* WF 1.00* ! ! ! Fit before self-cal, rms=0.395611Jy sigma=0.001047 ! Fit after self-cal, rms=0.397801Jy sigma=0.001045 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.991 mas, bmaj=10.4 mas, bpa=-1.917 degrees ! Estimated noise=962.142 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 = 0.000645701 Jy ! Component: 100 - total flux cleaned = 0.000590081 Jy ! Component: 150 - total flux cleaned = 0.000539949 Jy ! Component: 200 - total flux cleaned = 0.000452266 Jy ! Total flux subtracted in 200 components = 0.000452266 Jy ! Clean residual min=-0.004626 max=0.008930 Jy/beam ! Clean residual mean=0.000258 rms=0.001820 Jy/beam ! Combined flux in latest and established models = 1.87913 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 69 components and 1.87913 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397780Jy sigma=0.001045 ! Fit after self-cal, rms=0.397807Jy sigma=0.001045 ! 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=0.397807Jy sigma=0.001045 ! Fit after self-cal, rms=0.397769Jy sigma=0.001045 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.991 mas, bmaj=10.4 mas, bpa=-1.921 degrees ! Estimated noise=962.296 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000271148 Jy ! Component: 100 - total flux cleaned = 0.000270814 Jy ! Component: 150 - total flux cleaned = 0.000229894 Jy ! Component: 200 - total flux cleaned = 0.000195909 Jy ! Total flux subtracted in 200 components = 0.000195909 Jy ! Clean residual min=-0.004472 max=0.008796 Jy/beam ! Clean residual mean=0.000262 rms=0.001796 Jy/beam ! Combined flux in latest and established models = 1.87933 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 71 components and 1.87933 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397753Jy sigma=0.001045 ! Fit after self-cal, rms=0.397749Jy sigma=0.001045 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 (-24.5, -3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00766148 Jy ! Component: 100 - total flux cleaned = 0.0107073 Jy ! Component: 150 - total flux cleaned = 0.0111328 Jy ! Component: 200 - total flux cleaned = 0.0115177 Jy ! Total flux subtracted in 200 components = 0.0115177 Jy ! Clean residual min=-0.003688 max=0.005163 Jy/beam ! Clean residual mean=0.000028 rms=0.001124 Jy/beam ! Combined flux in latest and established models = 1.89085 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 99 components and 1.89085 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397657Jy sigma=0.001043 ! Fit after self-cal, rms=0.397633Jy sigma=0.001043 ! Inverting map ! Added new window around map position (-11, -2.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00448804 Jy ! Component: 100 - total flux cleaned = 0.00573786 Jy ! Component: 150 - total flux cleaned = 0.00602068 Jy ! Component: 200 - total flux cleaned = 0.00612522 Jy ! Total flux subtracted in 200 components = 0.00612522 Jy ! Clean residual min=-0.003759 max=0.003545 Jy/beam ! Clean residual mean=-0.000069 rms=0.000946 Jy/beam ! Combined flux in latest and established models = 1.89697 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 118 components and 1.89697 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397605Jy sigma=0.001042 ! Fit after self-cal, rms=0.397601Jy sigma=0.001042 ! 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=0.397601Jy sigma=0.001042 ! Fit after self-cal, rms=0.397873Jy sigma=0.001042 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.989 mas, bmaj=10.4 mas, bpa=-1.916 degrees ! Estimated noise=961.945 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00265043 Jy ! Component: 100 - total flux cleaned = 0.00343193 Jy ! Component: 150 - total flux cleaned = 0.00370255 Jy ! Component: 200 - total flux cleaned = 0.00394334 Jy ! Total flux subtracted in 200 components = 0.00394334 Jy ! Clean residual min=-0.003112 max=0.003375 Jy/beam ! Clean residual mean=0.000062 rms=0.000882 Jy/beam ! Combined flux in latest and established models = 1.90091 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 144 components and 1.90091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397864Jy sigma=0.001042 ! Fit after self-cal, rms=0.397851Jy sigma=0.001042 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 = 0.000964366 Jy ! Component: 100 - total flux cleaned = 0.00110189 Jy ! Component: 150 - total flux cleaned = 0.00122748 Jy ! Component: 200 - total flux cleaned = 0.00122725 Jy ! Total flux subtracted in 200 components = 0.00122725 Jy ! Clean residual min=-0.003197 max=0.003117 Jy/beam ! Clean residual mean=0.000040 rms=0.000871 Jy/beam ! Combined flux in latest and established models = 1.90214 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 153 components and 1.90214 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397844Jy sigma=0.001042 ! Fit after self-cal, rms=0.397844Jy sigma=0.001042 ! 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=0.397844Jy sigma=0.001042 ! Fit after self-cal, rms=0.397955Jy sigma=0.001041 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=9.601 mas, bmaj=31.08 mas, bpa=1.63 degrees ! Estimated noise=1215.82 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00144641 Jy ! Component: 100 - total flux cleaned = 0.00170591 Jy ! Component: 150 - total flux cleaned = 0.00181096 Jy ! Component: 200 - total flux cleaned = 0.00185413 Jy ! Total flux subtracted in 200 components = 0.00185413 Jy ! Clean residual min=-0.002410 max=0.003156 Jy/beam ! Clean residual mean=0.000160 rms=0.000930 Jy/beam ! Combined flux in latest and established models = 1.904 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 168 components and 1.904 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397963Jy sigma=0.001041 ! Fit after self-cal, rms=0.397964Jy sigma=0.001041 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 = 0.000305884 Jy ! Component: 100 - total flux cleaned = 0.000390237 Jy ! Component: 150 - total flux cleaned = 0.000391517 Jy ! Component: 200 - total flux cleaned = 0.000389767 Jy ! Total flux subtracted in 200 components = 0.000389767 Jy ! Clean residual min=-0.002538 max=0.002944 Jy/beam ! Clean residual mean=0.000147 rms=0.000926 Jy/beam ! Combined flux in latest and established models = 1.90439 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 178 components and 1.90439 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.397967Jy sigma=0.001041 ! Fit after self-cal, rms=0.397967Jy sigma=0.001041 ! 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=2.989 mas, bmaj=10.39 mas, bpa=-1.914 degrees ! Estimated noise=961.913 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.989 x 10.39 at -1.914 degrees (North through East) ! Clean map min=-0.0030968 max=1.6981 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=0.397967Jy sigma=0.001041 ! Fit after self-cal, rms=0.398644Jy sigma=0.001041 ! Inverting map and beam ! Estimated beam: bmin=2.989 mas, bmaj=10.39 mas, bpa=-1.915 degrees ! Estimated noise=961.633 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000212263 Jy ! Component: 100 - total flux cleaned = 0.000392472 Jy ! Component: 150 - total flux cleaned = 0.000433997 Jy ! Component: 200 - total flux cleaned = 0.000508957 Jy ! Total flux subtracted in 200 components = 0.000508957 Jy ! Clean residual min=-0.002942 max=0.003418 Jy/beam ! Clean residual mean=0.000115 rms=0.000873 Jy/beam ! Combined flux in latest and established models = 1.90489 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 191 components and 1.90489 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.398633Jy sigma=0.001041 ! Fit after self-cal, rms=0.398633Jy sigma=0.001041 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000218132 Jy ! Component: 100 - total flux cleaned = 0.000254586 Jy ! Component: 150 - total flux cleaned = 0.000287508 Jy ! Component: 200 - total flux cleaned = 0.000287019 Jy ! Total flux subtracted in 200 components = 0.000287019 Jy ! Clean residual min=-0.002900 max=0.003327 Jy/beam ! Clean residual mean=0.000109 rms=0.000865 Jy/beam ! Combined flux in latest and established models = 1.90518 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 194 components and 1.90518 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.398626Jy sigma=0.001041 ! Fit after self-cal, rms=0.398625Jy sigma=0.001041 ! Inverting map ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.398625Jy sigma=0.001041 ! Fit after self-cal, rms=0.398701Jy sigma=0.001041 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=2.232 mas, bmaj=7.83 mas, bpa=2.084 degrees ! Estimated noise=2319.5 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.27404 Jy ! Component: 100 - total flux cleaned = 1.56643 Jy ! Component: 150 - total flux cleaned = 1.68567 Jy ! Component: 200 - total flux cleaned = 1.75332 Jy ! Total flux subtracted in 200 components = 1.75332 Jy ! Clean residual min=-0.013970 max=0.034049 Jy/beam ! Clean residual mean=0.000643 rms=0.005273 Jy/beam ! Combined flux in latest and established models = 1.75332 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 17 model components to the UV plane model. ! The established model now contains 17 components and 1.75332 Jy ! Inverting map and beam ! Estimated beam: bmin=2.989 mas, bmaj=10.39 mas, bpa=-1.915 degrees ! Estimated noise=961.693 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 = 0.06835 Jy ! Component: 100 - total flux cleaned = 0.0980474 Jy ! Component: 150 - total flux cleaned = 0.11321 Jy ! Component: 200 - total flux cleaned = 0.123724 Jy ! Total flux subtracted in 200 components = 0.123724 Jy ! Clean residual min=-0.004562 max=0.008134 Jy/beam ! Clean residual mean=0.000538 rms=0.002075 Jy/beam ! Combined flux in latest and established models = 1.87705 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 70 components and 1.87705 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=9.602 mas, bmaj=31.08 mas, bpa=1.629 degrees ! Estimated noise=1215.54 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116468 Jy ! Component: 100 - total flux cleaned = 0.0180216 Jy ! Component: 150 - total flux cleaned = 0.0217779 Jy ! Component: 200 - total flux cleaned = 0.0240831 Jy ! Total flux subtracted in 200 components = 0.0240831 Jy ! Clean residual min=-0.002369 max=0.003263 Jy/beam ! Clean residual mean=0.000324 rms=0.000982 Jy/beam ! Combined flux in latest and established models = 1.90113 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 = 0.00143432 Jy ! Component: 100 - total flux cleaned = 0.00176296 Jy ! Component: 150 - total flux cleaned = 0.00199423 Jy ! Component: 200 - total flux cleaned = 0.00218847 Jy ! Total flux subtracted in 200 components = 0.00218847 Jy ! Clean residual min=-0.002430 max=0.003446 Jy/beam ! Clean residual mean=0.000260 rms=0.000936 Jy/beam ! Combined flux in latest and established models = 1.90332 Jy ! Adding 51 model components to the UV plane model. ! The established model now contains 114 components and 1.90332 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=2.989 mas, bmaj=10.39 mas, bpa=-1.915 degrees ! Estimated noise=961.693 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.43551e-05 Jy ! Component: 100 - total flux cleaned = -0.000182898 Jy ! Component: 150 - total flux cleaned = -0.000181286 Jy ! Component: 200 - total flux cleaned = -4.97762e-05 Jy ! Total flux subtracted in 200 components = -4.97762e-05 Jy ! Clean residual min=-0.002920 max=0.003361 Jy/beam ! Clean residual mean=0.000137 rms=0.000884 Jy/beam ! Combined flux in latest and established models = 1.90327 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 136 components and 1.90327 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.398698Jy sigma=0.001041 ! Fit after self-cal, rms=0.398717Jy sigma=0.001041 wmodel J1957-3845_S_2003_09_17_pus_map.mod ! Writing 136 model components to file: J1957-3845_S_2003_09_17_pus_map.mod wobs J1957-3845_S_2003_09_17_pus_uvs.fits ! Writing UV FITS file: J1957-3845_S_2003_09_17_pus_uvs.fits wwins J1957-3845_S_2003_09_17_pus_map.win ! wwins: Wrote 3 windows to J1957-3845_S_2003_09_17_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 = 0.000110703 Jy ! Component: 100 - total flux cleaned = -5.02869e-05 Jy ! Component: 150 - total flux cleaned = -0.000100824 Jy ! Component: 200 - total flux cleaned = 8.46352e-05 Jy ! Component: 250 - total flux cleaned = 0.000352567 Jy ! Component: 300 - total flux cleaned = 0.000654581 Jy ! Component: 350 - total flux cleaned = 0.000738082 Jy ! Component: 400 - total flux cleaned = 0.000819772 Jy ! Component: 450 - total flux cleaned = 0.000860723 Jy ! Component: 500 - total flux cleaned = 0.0010939 Jy ! Component: 550 - total flux cleaned = 0.00128349 Jy ! Component: 600 - total flux cleaned = 0.00154464 Jy ! Component: 650 - total flux cleaned = 0.00176491 Jy ! Component: 700 - total flux cleaned = 0.00208916 Jy ! Component: 750 - total flux cleaned = 0.00223069 Jy ! Component: 800 - total flux cleaned = 0.00250958 Jy ! Component: 850 - total flux cleaned = 0.00261222 Jy ! Component: 900 - total flux cleaned = 0.00281531 Jy ! Component: 950 - total flux cleaned = 0.00294858 Jy ! Component: 1000 - total flux cleaned = 0.00311272 Jy ! Component: 1050 - total flux cleaned = 0.00330677 Jy ! Component: 1100 - total flux cleaned = 0.00343406 Jy ! Component: 1150 - total flux cleaned = 0.00359151 Jy ! Component: 1200 - total flux cleaned = 0.00368475 Jy ! Component: 1250 - total flux cleaned = 0.00380728 Jy ! Component: 1300 - total flux cleaned = 0.00389809 Jy ! Component: 1350 - total flux cleaned = 0.00398793 Jy ! Component: 1400 - total flux cleaned = 0.00407657 Jy ! Component: 1450 - total flux cleaned = 0.00413476 Jy ! Component: 1500 - total flux cleaned = 0.00419244 Jy ! Component: 1550 - total flux cleaned = 0.00424972 Jy ! Component: 1600 - total flux cleaned = 0.00439086 Jy ! Component: 1650 - total flux cleaned = 0.00441876 Jy ! Component: 1700 - total flux cleaned = 0.00450194 Jy ! Component: 1750 - total flux cleaned = 0.00463924 Jy ! Component: 1800 - total flux cleaned = 0.00477474 Jy ! Component: 1850 - total flux cleaned = 0.00485511 Jy ! Component: 1900 - total flux cleaned = 0.00498819 Jy ! Component: 1950 - total flux cleaned = 0.00506727 Jy ! Component: 2000 - total flux cleaned = 0.00519779 Jy ! Total flux subtracted in 2048 components = 0.00527545 Jy ! Clean residual min=-0.001391 max=0.001489 Jy/beam ! Clean residual mean=0.000081 rms=0.000533 Jy/beam ! Combined flux in latest and established models = 1.90854 Jy keep ! Adding 115 model components to the UV plane model. ! The established model now contains 251 components and 1.90854 Jy wmap "J1957-3845_S_2003_09_17_pus\_map.fits" ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.989 x 10.39 at -1.915 degrees (North through East) ! Clean map min=-0.0026165 max=1.7062 Jy/beam ! Writing clean map to FITS file: J1957-3845_S_2003_09_17_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 1.70617 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000531956 device "J1957-3845_S_2003_09_17_pus\_map.eps/VPS" ! Attempting to open device: 'J1957-3845_S_2003_09_17_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0935352 0.0935352 0.18707 0.374141 0.748281 1.49656 2.99313 5.98625 11.9725 23.945 47.89 95.78 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0015 print "peak=",int(1000*peak_flux)/1000 ! peak= 1.706 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.989 x 10.39 at -1.915 degrees (North through East) ! Clean map min=-0.0026165 max=1.7062 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J1957-3845_S_2003_09_17_pus\_map.gif/vgif" ! Attempting to open device: 'J1957-3845_S_2003_09_17_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J1957-3845_S_2003_09_17_pus_uvs.log closed on Tue May 22 17:18:20 2007