! Started logfile: VR422201_X.log on Wed Aug 3 11:40:41 2005 observe VR422201_X.edt ! Reading UV FITS file: VR422201_X.edt ! AN table 1: 15 integrations on 171 of 171 possible baselines. ! AN table 2: 29 integrations on 171 of 171 possible baselines. ! AN table 3: 77 integrations on 171 of 171 possible baselines. ! AN table 4: 31 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.136273 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: VR422201 ! ! 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 14168 visibilities. ![@gonzo8-0.1 VR422201_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 251 telescope corrections were flagged in sub-array 1. ! A total of 483 telescope corrections were flagged in sub-array 2. ! A total of 1093 telescope corrections were flagged in sub-array 3. ! A total of 589 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 251 telescope corrections were flagged in sub-array 1. ! A total of 532 telescope corrections were flagged in sub-array 2. ! A total of 1093 telescope corrections were flagged in sub-array 3. ! A total of 589 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 251 telescope corrections were flagged in sub-array 1. ! A total of 484 telescope corrections were flagged in sub-array 2. ! A total of 1093 telescope corrections were flagged in sub-array 3. ! A total of 589 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 251 telescope corrections were flagged in sub-array 1. ! A total of 483 telescope corrections were flagged in sub-array 2. ! A total of 1093 telescope corrections were flagged in sub-array 3. ! A total of 589 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.669299Jy sigma=0.013202 ! Fit after self-cal, rms=0.664266Jy sigma=0.013126 ! 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=0.9134 mas, bmaj=1.163 mas, bpa=15.56 degrees ! Estimated noise=946.779 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 = 0.855716 Jy ! Total flux subtracted in 50 components = 0.855716 Jy ! Clean residual min=-0.086433 max=0.374408 Jy/beam ! Clean residual mean=-0.000338 rms=0.027892 Jy/beam ! Combined flux in latest and established models = 0.855716 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.855716 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.722952Jy sigma=0.014363 ! Fit after self-cal, rms=0.722667Jy sigma=0.014361 ! Inverting map ! Added new window around map position (-0.5, -2.1). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.360502 Jy ! Total flux subtracted in 50 components = 0.360502 Jy ! Clean residual min=-0.070759 max=0.196175 Jy/beam ! Clean residual mean=-0.000245 rms=0.020171 Jy/beam ! Combined flux in latest and established models = 1.21622 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 23 components and 1.21622 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.531487Jy sigma=0.010545 ! Fit after self-cal, rms=0.512216Jy sigma=0.010299 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.237201 Jy ! Total flux subtracted in 50 components = 0.237201 Jy ! Clean residual min=-0.046851 max=0.123737 Jy/beam ! Clean residual mean=-0.000168 rms=0.014568 Jy/beam ! Combined flux in latest and established models = 1.45342 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 40 components and 1.45342 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.394750Jy sigma=0.007905 ! Fit after self-cal, rms=0.386835Jy sigma=0.007817 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.164351 Jy ! Total flux subtracted in 50 components = 0.164351 Jy ! Clean residual min=-0.034884 max=0.093476 Jy/beam ! Clean residual mean=-0.000116 rms=0.011256 Jy/beam ! Combined flux in latest and established models = 1.61777 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 56 components and 1.61777 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.312667Jy sigma=0.006256 ! Fit after self-cal, rms=0.308222Jy sigma=0.006210 ! Inverting map ! Added new window around map position (0.5, -2.6). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.119764 Jy ! Total flux subtracted in 50 components = 0.119764 Jy ! Clean residual min=-0.030243 max=0.065939 Jy/beam ! Clean residual mean=-0.000080 rms=0.009059 Jy/beam ! Combined flux in latest and established models = 1.73753 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 72 components and 1.73753 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259941Jy sigma=0.005151 ! Fit after self-cal, rms=0.256957Jy sigma=0.005121 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0899064 Jy ! Total flux subtracted in 50 components = 0.0899064 Jy ! Clean residual min=-0.027026 max=0.051405 Jy/beam ! Clean residual mean=-0.000054 rms=0.007558 Jy/beam ! Combined flux in latest and established models = 1.82744 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 89 components and 1.82744 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.225142Jy sigma=0.004392 ! Fit after self-cal, rms=0.223006Jy sigma=0.004371 ! 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=1.065 mas, bmaj=1.559 mas, bpa=15.75 degrees ! Estimated noise=529.18 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 = 0.110496 Jy ! Component: 100 - total flux cleaned = 0.18265 Jy ! Total flux subtracted in 100 components = 0.18265 Jy ! Clean residual min=-0.020791 max=0.049958 Jy/beam ! Clean residual mean=0.001345 rms=0.010117 Jy/beam ! Combined flux in latest and established models = 2.01009 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 58 model components to the UV plane model. ! The established model now contains 136 components and 2.01009 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.176592Jy sigma=0.003158 ! Fit after self-cal, rms=0.173266Jy sigma=0.003116 ! 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 1.04 FD 0.95 GC 1.00* HH 1.00* ! HN 1.00 KK 1.00* KP 0.98 LA 0.96 ! MC 1.00* MK 1.11 NL 1.01 NY 1.00* ! ON 1.00* OV 0.96 PT 0.95 SC 1.09 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.05 FD 1.01 GC 1.00* HH 1.00* ! HN 1.02 KK 1.00* KP 0.95 LA 0.92 ! MC 1.00* MK 0.96 NL 0.94 NY 1.00* ! ON 1.00* OV 1.03 PT 0.93 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 1.06 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 0.96 LA 0.93 ! MC 1.00* MK 1.04 NL 1.02 NY 1.00* ! ON 1.00* OV 1.01 PT 0.92 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! 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 1.05 FD 0.98 GC 1.00* HH 1.00* ! HN 1.00 KK 1.00* KP 0.98 LA 0.96 ! MC 1.00* MK 1.04 NL 1.02 NY 1.00* ! ON 1.00* OV 0.96 PT 0.95 SC 1.09 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.94 GC 1.00* HH 1.00* ! HN 1.10 KK 1.00* KP 1.00* LA 1.00 ! MC 1.00* MK 1.00 NL 1.00* NY 1.00* ! ON 1.00* OV 0.99 PT 0.92 SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 1.06 GC 1.00* HH 1.00* ! HN 1.00 KK 1.00* KP 0.96 LA 0.94 ! MC 1.00* MK 1.04 NL 0.98 NY 1.00* ! ON 1.00* OV 1.00 PT 0.94 SC 1.03 ! TS 1.00* WF 1.00* WZ 1.00* ! ! 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 1.02 FD 0.98 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 0.98 LA 0.95 ! MC 1.00* MK 1.03 NL 1.04 NY 1.00* ! ON 1.00* OV 0.96 PT 0.95 SC 1.10 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.06 FD 0.99 GC 1.00* HH 1.00* ! HN 1.00 KK 1.00* KP 0.94 LA 0.92 ! MC 1.00* MK 0.97 NL 0.95 NY 1.00* ! ON 1.00* OV 1.02 PT 0.93 SC 1.05 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.08 GC 1.00* HH 1.00* ! HN 1.00 KK 1.00* KP 0.94 LA 0.91 ! MC 1.00* MK 1.03 NL 0.98 NY 1.00* ! ON 1.00* OV 1.01 PT 0.94 SC 1.02 ! TS 1.00* WF 1.00* WZ 1.00* ! ! 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 1.02 FD 0.97 GC 1.00* HH 1.00* ! HN 0.97 KK 1.00* KP 0.98 LA 0.94 ! MC 1.00* MK 1.06 NL 1.05 NY 1.00* ! ON 1.00* OV 0.94 PT 0.93 SC 1.17 ! TS 1.00* WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 0.99 GC 1.00* HH 1.00* ! HN 1.01 KK 1.00* KP 0.95 LA 0.91 ! MC 1.00* MK 0.98 NL 0.94 NY 1.00* ! ON 1.00* OV 1.02 PT 0.94 SC 1.07 ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 1.08 GC 1.00* HH 1.00* ! HN 0.99 KK 1.00* KP 0.95 LA 0.94 ! MC 1.00* MK 1.04 NL 0.99 NY 1.00* ! ON 1.00* OV 1.01 PT 0.94 SC 1.02 ! TS 1.00* WF 1.00* WZ 1.00* ! ! 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=0.173266Jy sigma=0.003116 ! Fit after self-cal, rms=0.144762Jy sigma=0.002294 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.08 mas, bmaj=1.593 mas, bpa=16.03 degrees ! Estimated noise=515.428 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 = 0.00564549 Jy ! Component: 100 - total flux cleaned = 0.00780015 Jy ! Total flux subtracted in 100 components = 0.00780015 Jy ! Clean residual min=-0.019574 max=0.032149 Jy/beam ! Clean residual mean=0.000352 rms=0.005749 Jy/beam ! Combined flux in latest and established models = 2.01789 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 151 components and 2.01789 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.142420Jy sigma=0.002238 ! Fit after self-cal, rms=0.141797Jy sigma=0.002231 ! 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 = 0.00269538 Jy ! Component: 100 - total flux cleaned = 0.00385607 Jy ! Total flux subtracted in 100 components = 0.00385607 Jy ! Clean residual min=-0.019188 max=0.031400 Jy/beam ! Clean residual mean=0.000337 rms=0.005630 Jy/beam ! Combined flux in latest and established models = 2.02175 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 18 model components to the UV plane model. ! The established model now contains 159 components and 2.02175 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.140662Jy sigma=0.002202 ! Fit after self-cal, rms=0.112069Jy sigma=0.001853 ! Inverting map and beam ! Estimated beam: bmin=1.079 mas, bmaj=1.589 mas, bpa=16.08 degrees ! Estimated noise=515.492 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) ! Added new window around map position (0.5, -6.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0297869 Jy ! Component: 100 - total flux cleaned = 0.0460761 Jy ! Total flux subtracted in 100 components = 0.0460761 Jy ! Clean residual min=-0.009658 max=0.015156 Jy/beam ! Clean residual mean=0.000364 rms=0.003000 Jy/beam ! Combined flux in latest and established models = 2.06782 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 171 components and 2.06782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.105022Jy sigma=0.001686 ! Fit after self-cal, rms=0.103634Jy sigma=0.001669 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save VR422201_X ! Writing UV FITS file: VR422201_X.uvf ! Writing 171 model components to file: VR422201_X.mod ! wwins: Wrote 4 windows to VR422201_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.079 x 1.589 at 16.08 degrees (North through East) ! Clean map min=-0.0090473 max=1.0248 Jy/beam ! Writing clean map to FITS file: VR422201_X.fits ! Writing difmap environment to: VR422201_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot VR422201_X] device VR422201_Xuv.ps/vps,1,2 ! Attempting to open device: 'VR422201_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device VR422201_Xim.ps/vps ! Attempting to open device: 'VR422201_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=1.079 mas, bmaj=1.589 mas, bpa=16.08 degrees ! Estimated noise=515.492 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.079 x 1.589 at 16.08 degrees (North through East) ! Clean map min=-0.0090473 max=1.0248 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file VR422201_X.log closed on Wed Aug 3 11:41:20 2005