! Started logfile: 3C274_X.log_1 on Wed Aug 3 11:21:17 2005 observe 3C274_X.edt ! Reading UV FITS file: 3C274_X.edt ! AN table 1: 76 integrations on 171 of 171 possible baselines. ! AN table 2: 47 integrations on 171 of 171 possible baselines. ! AN table 3: 69 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0858004 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C274 ! ! 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 1818 lines of history. ! ! Reading 11268 visibilities. ![@gonzo8-0.1 3C274_X] print "***********************************" ! *********************************** print "*** Using gonzo instruction set ***" ! *** Using gonzo instruction set *** print "***********************************" ! *********************************** float field_size field_size = 1024 float field_cell field_cell = 0.1 integer clean_niter clean_niter = 50 float clean_gain clean_gain = 0.03 float dynam dynam = 8.0 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 0.100x0.100 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 1098 telescope corrections were flagged in sub-array 1. ! A total of 819 telescope corrections were flagged in sub-array 2. ! A total of 1140 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1100 telescope corrections were flagged in sub-array 1. ! A total of 812 telescope corrections were flagged in sub-array 2. ! A total of 1140 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1094 telescope corrections were flagged in sub-array 1. ! A total of 808 telescope corrections were flagged in sub-array 2. ! A total of 1143 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1081 telescope corrections were flagged in sub-array 1. ! A total of 809 telescope corrections were flagged in sub-array 2. ! A total of 1147 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.542226Jy sigma=0.006463 ! Fit after self-cal, rms=0.522258Jy sigma=0.006219 ! 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=0.7077 mas, bmaj=1.015 mas, bpa=7.766 degrees ! Estimated noise=1151 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 = 0.644491 Jy ! Total flux subtracted in 50 components = 0.644491 Jy ! Clean residual min=-0.052038 max=0.245137 Jy/beam ! Clean residual mean=-0.000632 rms=0.019675 Jy/beam ! Combined flux in latest and established models = 0.644491 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.644491 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.510892Jy sigma=0.007638 ! Fit after self-cal, rms=0.510441Jy sigma=0.007636 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.263056 Jy ! Total flux subtracted in 50 components = 0.263056 Jy ! Clean residual min=-0.032128 max=0.135492 Jy/beam ! Clean residual mean=-0.000308 rms=0.012637 Jy/beam ! Combined flux in latest and established models = 0.907547 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 34 components and 0.907547 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.365748Jy sigma=0.005239 ! Fit after self-cal, rms=0.364867Jy sigma=0.005233 ! Inverting map ! Added new window around map position (-1.1, 0.4). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.148295 Jy ! Total flux subtracted in 50 components = 0.148295 Jy ! Clean residual min=-0.026501 max=0.089203 Jy/beam ! Clean residual mean=-0.000142 rms=0.009452 Jy/beam ! Combined flux in latest and established models = 1.05584 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 57 components and 1.05584 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.301072Jy sigma=0.004106 ! Fit after self-cal, rms=0.298322Jy sigma=0.004084 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0968348 Jy ! Total flux subtracted in 50 components = 0.0968348 Jy ! Clean residual min=-0.023868 max=0.064790 Jy/beam ! Clean residual mean=-0.000038 rms=0.007612 Jy/beam ! Combined flux in latest and established models = 1.15268 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 27 model components to the UV plane model. ! The established model now contains 74 components and 1.15268 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.263353Jy sigma=0.003442 ! Fit after self-cal, rms=0.261980Jy sigma=0.003431 ! Inverting map ! Added new window around map position (-2.2, 0.5). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0714905 Jy ! Total flux subtracted in 50 components = 0.0714905 Jy ! Clean residual min=-0.020706 max=0.050396 Jy/beam ! Clean residual mean=0.000027 rms=0.006432 Jy/beam ! Combined flux in latest and established models = 1.22417 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 87 components and 1.22417 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.239774Jy sigma=0.003016 ! Fit after self-cal, rms=0.238435Jy sigma=0.003005 ! 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=0.8508 mas, bmaj=1.196 mas, bpa=12.78 degrees ! Estimated noise=716.836 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 = 0.0940264 Jy ! Component: 100 - total flux cleaned = 0.154187 Jy ! Total flux subtracted in 100 components = 0.154187 Jy ! Clean residual min=-0.014358 max=0.049755 Jy/beam ! Clean residual mean=0.007821 rms=0.008504 Jy/beam ! Combined flux in latest and established models = 1.37835 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 52 model components to the UV plane model. ! The established model now contains 133 components and 1.37835 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.203184Jy sigma=0.002359 ! Fit after self-cal, rms=0.201764Jy sigma=0.002337 ! Inverting map print "****************************************" ! **************************************** print "*** Finished Natural Weighting CLEAN ***" ! *** Finished Natural Weighting CLEAN *** print "****************************************" ! **************************************** gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 GC 1.10 HH 0.86 ! HN 0.87 KK 1.00* KP 1.01 LA 0.92 ! MC 0.98 MK 1.00* NL 1.02 NY 1.00 ! ON 0.86 OV 1.02 PT 0.94 SC 1.16 ! TS 1.00* WF 0.86 WZ 2.08 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 0.97 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.09 MK 1.00* NL 1.00* NY 1.20 ! ON 1.13 OV 1.00* PT 1.00* SC 1.00* ! TS 0.81 WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.98 GC 1.00* HH 1.00* ! HN 1.14 KK 1.00* KP 0.99 LA 0.96 ! MC 1.00* MK 1.01 NL 0.98 NY 1.00* ! ON 1.00* OV 1.03 PT 0.95 SC 1.04 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 GC 1.12 HH 1.01 ! HN 0.88 KK 1.00* KP 1.01 LA 0.91 ! MC 0.98 MK 1.00* NL 1.00 NY 0.99 ! ON 0.90 OV 1.01 PT 0.93 SC 1.16 ! TS 1.00* WF 0.87 WZ 2.06 ! ! A total of 24 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.01 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.05 MK 1.00* NL 1.00* NY 1.17 ! ON 1.11 OV 1.00* PT 1.00* SC 1.00* ! TS 0.73 WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 0.97 GC 1.00* HH 1.00* ! HN 1.13 KK 1.00* KP 0.97 LA 0.97 ! MC 1.00* MK 1.00 NL 0.97 NY 1.00* ! ON 1.00* OV 1.02 PT 0.95 SC 1.02 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 GC 1.05 HH 1.03 ! HN 0.88 KK 1.00* KP 1.01 LA 0.90 ! MC 0.91 MK 1.00* NL 1.01 NY 1.02 ! ON 0.92 OV 1.01 PT 0.92 SC 1.17 ! TS 1.00* WF 0.88 WZ 2.03 ! ! A total of 33 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 1.04 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.11 MK 1.00* NL 1.00* NY 1.12 ! ON 1.13 OV 1.00* PT 1.00* SC 1.00* ! TS 0.77 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 1.02 FD 0.97 GC 1.00* HH 1.00* ! HN 1.07 KK 1.00* KP 0.96 LA 0.98 ! MC 1.00* MK 1.00 NL 0.96 NY 1.00* ! ON 1.00* OV 1.02 PT 0.97 SC 1.04 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 GC 1.05 HH 1.04 ! HN 0.87 KK 1.00* KP 0.99 LA 0.90 ! MC 0.89 MK 1.00* NL 1.01 NY 1.03 ! ON 0.93 OV 0.99 PT 0.92 SC 1.18 ! TS 1.00* WF 0.85 WZ 1.84 ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.00* GC 1.00* HH 0.99 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.25 MK 1.00* NL 1.00* NY 1.14 ! ON 1.16 OV 1.00* PT 1.00* SC 1.00* ! TS 0.82 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 1.00 FD 0.98 GC 1.00* HH 1.00* ! HN 1.18 KK 1.00* KP 0.97 LA 0.97 ! MC 1.00* MK 1.04 NL 0.98 NY 1.00* ! ON 1.00* OV 1.02 PT 0.95 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.201764Jy sigma=0.002337 ! Fit after self-cal, rms=0.157393Jy sigma=0.001956 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8788 mas, bmaj=1.255 mas, bpa=13.95 degrees ! Estimated noise=703.419 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 = 0.0249108 Jy ! Component: 100 - total flux cleaned = 0.0278219 Jy ! Total flux subtracted in 100 components = 0.0278219 Jy ! Clean residual min=-0.013932 max=0.031935 Jy/beam ! Clean residual mean=0.002564 rms=0.006284 Jy/beam ! Combined flux in latest and established models = 1.40618 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 142 components and 1.40618 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.154170Jy sigma=0.001895 ! Fit after self-cal, rms=0.153726Jy sigma=0.001888 ! 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 = 0.00496551 Jy ! Component: 100 - total flux cleaned = 0.00552689 Jy ! Total flux subtracted in 100 components = 0.00552689 Jy ! Clean residual min=-0.013122 max=0.032302 Jy/beam ! Clean residual mean=0.002495 rms=0.006203 Jy/beam ! Combined flux in latest and established models = 1.4117 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 147 components and 1.4117 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.153058Jy sigma=0.001876 ! Fit after self-cal, rms=0.145228Jy sigma=0.001662 ! Inverting map and beam ! Estimated beam: bmin=0.8788 mas, bmaj=1.258 mas, bpa=13.86 degrees ! Estimated noise=705.24 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 = 0.00790247 Jy ! Component: 100 - total flux cleaned = 0.00869137 Jy ! Total flux subtracted in 100 components = 0.00869137 Jy ! Clean residual min=-0.011691 max=0.026616 Jy/beam ! Clean residual mean=0.000950 rms=0.005196 Jy/beam ! Combined flux in latest and established models = 1.42039 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 150 components and 1.42039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.144613Jy sigma=0.001656 ! Fit after self-cal, rms=0.144617Jy sigma=0.001655 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C274_X ! Writing UV FITS file: 3C274_X.uvf ! Writing 150 model components to file: 3C274_X.mod ! wwins: Wrote 3 windows to 3C274_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8788 x 1.258 at 13.86 degrees (North through East) ! Clean map min=-0.011419 max=0.75787 Jy/beam ! Writing clean map to FITS file: 3C274_X.fits ! Writing difmap environment to: 3C274_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C274_X] device 3C274_Xuv.ps/vps,1,2 ! Attempting to open device: '3C274_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C274_Xim.ps/vps ! Attempting to open device: '3C274_Xim.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=0.8788 mas, bmaj=1.258 mas, bpa=13.86 degrees ! Estimated noise=705.24 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8788 x 1.258 at 13.86 degrees (North through East) ! Clean map min=-0.011419 max=0.75787 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 3C274_X.log_1 closed on Wed Aug 3 11:21:48 2005