! Started logfile: 0657+172_S.log on Fri Aug 12 13:14:04 2005 observe 0657+172_S.edt ! Reading UV FITS file: 0657+172_S.edt ! AN table 1: 18 integrations on 171 of 171 possible baselines. ! AN table 2: 21 integrations on 171 of 171 possible baselines. ! AN table 3: 33 integrations on 171 of 171 possible baselines. ! AN table 4: 17 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.129969 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0657+172 ! ! 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 2.22497e+09 8e+06 1 8e+06 ! 02 2 2.24497e+09 8e+06 1 8e+06 ! 03 3 2.33497e+09 8e+06 1 8e+06 ! 04 4 2.36497e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1565 lines of history. ! ! Reading 7912 visibilities. ![@gonzo7-0.4 0657+172_S] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.4 integer clean_niter clean_niter = 50 float clean_gain clean_gain = 0.03 float dynam dynam = 7.0 float win_mult win_mult = 1.8 float solint solint = 3.6/6.0 logical doflt doflt = true logical doamp float new_peak float flux_cutoff mapsize field_size,field_cell ! Map grid = 1024x1024 pixels with 0.400x0.400 milli-arcsec cellsize. select ! 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 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 272 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 544 telescope corrections were flagged in sub-array 3. ! A total of 305 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 272 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 544 telescope corrections were flagged in sub-array 3. ! A total of 299 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 272 telescope corrections were flagged in sub-array 1. ! A total of 310 telescope corrections were flagged in sub-array 2. ! A total of 549 telescope corrections were flagged in sub-array 3. ! A total of 311 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 272 telescope corrections were flagged in sub-array 1. ! A total of 306 telescope corrections were flagged in sub-array 2. ! A total of 545 telescope corrections were flagged in sub-array 3. ! A total of 302 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.476867Jy sigma=0.007165 ! Fit after self-cal, rms=0.476113Jy sigma=0.007210 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvweight 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. doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.292 mas, bmaj=4.893 mas, bpa=4.06 degrees ! Estimated noise=1125.55 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.407053 Jy ! Total flux subtracted in 50 components = 0.407053 Jy ! Clean residual min=-0.021366 max=0.113529 Jy/beam ! Clean residual mean=-0.000107 rms=0.006671 Jy/beam ! Combined flux in latest and established models = 0.407053 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 0.407053 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.165870Jy sigma=0.002551 ! Fit after self-cal, rms=0.165870Jy sigma=0.002551 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0917603 Jy ! Total flux subtracted in 50 components = 0.0917603 Jy ! Clean residual min=-0.012385 max=0.032266 Jy/beam ! Clean residual mean=-0.000055 rms=0.003639 Jy/beam ! Combined flux in latest and established models = 0.498813 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.498813 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.110578Jy sigma=0.001666 ! Fit after self-cal, rms=0.110545Jy sigma=0.001665 ! Inverting map ! Added new window around map position (-2, -4.4). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0383725 Jy ! Total flux subtracted in 50 components = 0.0383725 Jy ! Clean residual min=-0.011206 max=0.019905 Jy/beam ! Clean residual mean=-0.000038 rms=0.002860 Jy/beam ! Combined flux in latest and established models = 0.537185 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 22 components and 0.537185 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097745Jy sigma=0.001448 ! Fit after self-cal, rms=0.097461Jy sigma=0.001444 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0258992 Jy ! Total flux subtracted in 50 components = 0.0258992 Jy ! Clean residual min=-0.009620 max=0.015827 Jy/beam ! Clean residual mean=-0.000027 rms=0.002386 Jy/beam ! Combined flux in latest and established models = 0.563084 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 11 model components to the UV plane model. ! The established model now contains 29 components and 0.563084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090975Jy sigma=0.001331 ! Fit after self-cal, rms=0.090809Jy sigma=0.001329 ! Inverting map ! Added new window around map position (-2.8, -10.4). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0191351 Jy ! Total flux subtracted in 50 components = 0.0191351 Jy ! Clean residual min=-0.008281 max=0.010465 Jy/beam ! Clean residual mean=-0.000020 rms=0.002080 Jy/beam ! Combined flux in latest and established models = 0.58222 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 10 model components to the UV plane model. ! The established model now contains 36 components and 0.582219 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.087111Jy sigma=0.001263 ! Fit after self-cal, rms=0.087008Jy sigma=0.001261 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Uniform Weighting CLEAN ***" ! *** Finished Uniform Weighting CLEAN *** print "****************************************" ! **************************************** uvweight 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 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.056 mas, bmaj=5.935 mas, bpa=8.66 degrees ! Estimated noise=788.546 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0189162 Jy ! Component: 100 - total flux cleaned = 0.0308284 Jy ! Total flux subtracted in 100 components = 0.0308284 Jy ! Clean residual min=-0.005174 max=0.006857 Jy/beam ! Clean residual mean=0.000077 rms=0.001544 Jy/beam ! Combined flux in latest and established models = 0.613048 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 32 model components to the UV plane model. ! The established model now contains 62 components and 0.613048 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.083302Jy sigma=0.001194 ! Fit after self-cal, rms=0.083167Jy sigma=0.001192 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.13 GC 1.02 HH 1.00* ! HN 0.98 KK 1.00* KP 0.98 LA 0.99 ! MC 1.00* MK 1.06 NL 0.99 NY 1.05 ! ON 1.00* OV 1.02 PT 0.98 SC 0.98 ! TS 1.00* WF 0.99 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.01 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00* KP 0.99 LA 1.00 ! MC 1.00* MK 1.00* NL 1.01 NY 1.00* ! ON 1.00* OV 0.99 PT 0.99 SC 0.98 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.96 GC 1.00* HH 1.00* ! HN 1.03 KK 1.00* KP 1.02 LA 1.00 ! MC 1.00* MK 0.96 NL 1.01 NY 1.00* ! ON 1.00* OV 0.97 PT 0.98 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 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* ! ON 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 1.10 GC 1.03 HH 1.00* ! HN 0.99 KK 1.00* KP 0.99 LA 1.00 ! MC 1.00* MK 1.03 NL 1.00 NY 1.06 ! ON 1.00* OV 0.98 PT 1.01 SC 1.00 ! TS 1.00* WF 0.99 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.03 GC 1.00* HH 1.00* ! HN 0.96 KK 1.00* KP 1.02 LA 0.98 ! MC 1.00* MK 1.00* NL 1.00 NY 1.00* ! ON 1.00* OV 0.97 PT 1.00 SC 1.02 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.96 GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 1.00 LA 1.00 ! MC 1.00* MK 1.02 NL 1.03 NY 1.00* ! ON 1.00* OV 0.97 PT 0.94 SC 1.01 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 24 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 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* ! ON 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 1.01 GC 0.98 HH 1.00* ! HN 1.01 KK 1.00* KP 0.99 LA 1.01 ! MC 1.00* MK 1.00 NL 0.99 NY 1.03 ! ON 1.00* OV 0.98 PT 0.97 SC 1.04 ! TS 1.00* WF 0.91 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 0.98 GC 1.00* HH 1.00* ! HN 1.08 KK 1.00* KP 0.97 LA 1.13 ! MC 1.00* MK 1.00* NL 0.99 NY 1.00* ! ON 1.00* OV 0.96 PT 0.97 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.92 FD 0.98 GC 1.00* HH 1.00* ! HN 1.00 KK 1.00* KP 0.98 LA 1.19 ! MC 1.00* MK 0.96 NL 0.97 NY 1.00* ! ON 1.00* OV 0.98 PT 0.94 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 12 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 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* ! ON 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 0.97 FD 1.09 GC 0.99 HH 1.00* ! HN 1.02 KK 1.00* KP 1.00 LA 0.97 ! MC 1.00* MK 1.03 NL 1.00 NY 1.01 ! ON 1.00* OV 0.95 PT 1.01 SC 1.12 ! TS 1.00* WF 0.95 WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.95 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 0.99 LA 0.98 ! MC 1.00* MK 1.00* NL 0.99 NY 1.00* ! ON 1.00* OV 0.97 PT 0.98 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.91 FD 0.95 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 1.00 LA 1.00 ! MC 1.00* MK 0.94 NL 0.99 NY 1.00* ! ON 1.00* OV 0.80 PT 0.97 SC 1.06 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 4. ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 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* ! ON 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=0.083167Jy sigma=0.001192 ! Fit after self-cal, rms=0.078362Jy sigma=0.001124 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.067 mas, bmaj=6.033 mas, bpa=8.889 degrees ! Estimated noise=784.972 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00629217 Jy ! Component: 100 - total flux cleaned = 0.00863028 Jy ! Total flux subtracted in 100 components = 0.00863028 Jy ! Clean residual min=-0.003559 max=0.004478 Jy/beam ! Clean residual mean=0.000007 rms=0.001006 Jy/beam ! Combined flux in latest and established models = 0.621678 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 76 components and 0.621678 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077894Jy sigma=0.001117 ! Fit after self-cal, rms=0.077865Jy sigma=0.001116 ! Inverting map dynam = dynam - 1.0 doamp = true solint = solint * (6.0/3.6) 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 doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00152016 Jy ! Component: 100 - total flux cleaned = 0.00184634 Jy ! Total flux subtracted in 100 components = 0.00184634 Jy ! Clean residual min=-0.003500 max=0.004302 Jy/beam ! Clean residual mean=0.000007 rms=0.000976 Jy/beam ! Combined flux in latest and established models = 0.623525 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 82 components and 0.623524 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077752Jy sigma=0.001115 ! Fit after self-cal, rms=0.077450Jy sigma=0.001105 ! Inverting map and beam ! Estimated beam: bmin=4.066 mas, bmaj=6.036 mas, bpa=8.849 degrees ! Estimated noise=786.447 mJy/beam. doamp = false solint = solint / (6.0/3.6) 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 doamp, doflt, solint new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00308228 Jy ! Component: 100 - total flux cleaned = 0.00437512 Jy ! Total flux subtracted in 100 components = 0.00437512 Jy ! Clean residual min=-0.003654 max=0.003933 Jy/beam ! Clean residual mean=0.000000 rms=0.000936 Jy/beam ! Combined flux in latest and established models = 0.6279 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 89 components and 0.627899 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077329Jy sigma=0.001104 ! Fit after self-cal, rms=0.077325Jy sigma=0.001104 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0657+172_S ! Writing UV FITS file: 0657+172_S.uvf ! Writing 89 model components to file: 0657+172_S.mod ! wwins: Wrote 3 windows to 0657+172_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.066 x 6.036 at 8.849 degrees (North through East) ! Clean map min=-0.0035624 max=0.52631 Jy/beam ! Writing clean map to FITS file: 0657+172_S.fits ! Writing difmap environment to: 0657+172_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0657+172_S] device 0657+172_Suv.ps/vps,1,2 ! Attempting to open device: '0657+172_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0657+172_Sim.ps/vps ! Attempting to open device: '0657+172_Sim.ps/vps' uvweight 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. loglevs -1,2048,2 ! The new contour levels are: ! -1 1 2 4 8 16 32 64 128 256 512 1024 2048 cmul = imstat(rms)*3 ! Inverting map and beam ! Estimated beam: bmin=4.066 mas, bmaj=6.036 mas, bpa=8.849 degrees ! Estimated noise=786.447 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.066 x 6.036 at 8.849 degrees (North through East) ! Clean map min=-0.0035624 max=0.52631 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 0657+172_S.log closed on Fri Aug 12 13:14:29 2005