! Started logfile: 3C274_X.log on Mon Aug 7 23:29:35 2006 observe 3C274_X.edt ! Reading UV FITS file: 3C274_X.edt ! AN table 1: 29 integrations on 190 of 190 possible baselines. ! AN table 2: 33 integrations on 190 of 190 possible baselines. ! AN table 3: 38 integrations on 190 of 190 possible baselines. ! AN table 4: 5 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.151378 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 1409 lines of history. ! ! Reading 12080 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 458 telescope corrections were flagged in sub-array 1. ! A total of 524 telescope corrections were flagged in sub-array 2. ! A total of 553 telescope corrections were flagged in sub-array 3. ! A total of 100 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 2. ! A total of 461 telescope corrections were flagged in sub-array 1. ! A total of 524 telescope corrections were flagged in sub-array 2. ! A total of 553 telescope corrections were flagged in sub-array 3. ! A total of 100 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 3. ! A total of 457 telescope corrections were flagged in sub-array 1. ! A total of 524 telescope corrections were flagged in sub-array 2. ! A total of 554 telescope corrections were flagged in sub-array 3. ! A total of 100 telescope corrections were flagged in sub-array 4. ! ! Correcting IF 4. ! A total of 457 telescope corrections were flagged in sub-array 1. ! A total of 524 telescope corrections were flagged in sub-array 2. ! A total of 554 telescope corrections were flagged in sub-array 3. ! A total of 100 telescope corrections were flagged in sub-array 4. ! ! Fit before self-cal, rms=0.518686Jy sigma=0.006770 ! Fit after self-cal, rms=0.517283Jy sigma=0.006770 ! 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=0.5338 mas, bmaj=1.329 mas, bpa=-8.476 degrees ! Estimated noise=1376.8 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 = 0.546666 Jy ! Total flux subtracted in 50 components = 0.546666 Jy ! Clean residual min=-0.054004 max=0.214232 Jy/beam ! Clean residual mean=0.001510 rms=0.019691 Jy/beam ! Combined flux in latest and established models = 0.546666 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 10 components and 0.546666 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.603602Jy sigma=0.008228 ! Fit after self-cal, rms=0.603466Jy sigma=0.008225 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.24043 Jy ! Total flux subtracted in 50 components = 0.24043 Jy ! Clean residual min=-0.042161 max=0.159306 Jy/beam ! Clean residual mean=0.001274 rms=0.014615 Jy/beam ! Combined flux in latest and established models = 0.787096 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 14 components and 0.787096 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.467016Jy sigma=0.006322 ! Fit after self-cal, rms=0.466731Jy sigma=0.006317 ! Inverting map ! Added new window around map position (-0.9, 0.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.167174 Jy ! Total flux subtracted in 50 components = 0.167174 Jy ! Clean residual min=-0.034967 max=0.090808 Jy/beam ! Clean residual mean=0.001104 rms=0.011483 Jy/beam ! Combined flux in latest and established models = 0.95427 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 23 components and 0.95427 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.383636Jy sigma=0.005149 ! Fit after self-cal, rms=0.381829Jy sigma=0.005129 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.115801 Jy ! Total flux subtracted in 50 components = 0.115801 Jy ! Clean residual min=-0.031328 max=0.069403 Jy/beam ! Clean residual mean=0.000985 rms=0.009536 Jy/beam ! Combined flux in latest and established models = 1.07007 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 36 components and 1.07007 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.331954Jy sigma=0.004394 ! Fit after self-cal, rms=0.331217Jy sigma=0.004387 ! 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=0.8296 mas, bmaj=1.645 mas, bpa=-1.154 degrees ! Estimated noise=705.495 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 = 0.168107 Jy ! Component: 100 - total flux cleaned = 0.266672 Jy ! Total flux subtracted in 100 components = 0.266672 Jy ! Clean residual min=-0.036136 max=0.082779 Jy/beam ! Clean residual mean=0.007171 rms=0.013383 Jy/beam ! Combined flux in latest and established models = 1.33674 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 57 model components to the UV plane model. ! The established model now contains 85 components and 1.33674 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254765Jy sigma=0.003124 ! Fit after self-cal, rms=0.252527Jy sigma=0.003094 ! 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 0.86 FD 0.90 GC 0.99 HN 0.92 ! LA 0.91 NL 1.10 OV 0.89 SC 0.98 ! WF 0.80 GG 1.00* HH 1.00* KK 1.12 ! KP 0.92 MA 1.00* MC 1.25 MK 0.97 ! NY 1.23 TS 1.00* WZ 1.07 PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.10 FD 0.94 GC 1.00* HN 1.00* ! LA 1.00* NL 0.92 OV 0.93 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 0.93 MA 1.00* MC 1.00* MK 1.09 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.89 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.96 GC 1.17 HN 0.97 ! LA 1.37 NL 0.90 OV 1.00 SC 1.15 ! WF 0.94 GG 1.00* HH 1.00* KK 1.00* ! KP 1.06 MA 1.00* MC 1.00* MK 1.16 ! NY 1.00* TS 1.06 WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.88 GC 1.02 HN 0.91 ! LA 0.91 NL 1.06 OV 0.88 SC 2.15 ! WF 0.77 GG 1.00* HH 1.00* KK 1.15 ! KP 0.88 MA 1.00* MC 1.24 MK 0.96 ! NY 1.25 TS 1.00* WZ 1.04 PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.11 FD 0.95 GC 1.00* HN 1.00* ! LA 1.00* NL 0.92 OV 0.97 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 0.93 MA 1.00* MC 1.00* MK 1.08 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.90 ! ! A total of 12 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.95 GC 1.15 HN 1.00 ! LA 1.38 NL 0.88 OV 1.03 SC 1.20 ! WF 0.94 GG 1.00* HH 1.00* KK 1.00* ! KP 1.06 MA 1.00* MC 1.00* MK 1.11 ! NY 1.00* TS 1.07 WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.88 GC 1.06 HN 0.91 ! LA 0.89 NL 1.06 OV 0.86 SC 0.95 ! WF 0.78 GG 1.00* HH 1.00* KK 1.08 ! KP 0.87 MA 1.00* MC 1.32 MK 0.98 ! NY 1.28 TS 1.00* WZ 1.08 PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.07 FD 0.94 GC 1.00* HN 1.00* ! LA 1.00* NL 0.92 OV 0.98 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 0.95 MA 1.00* MC 1.00* MK 1.09 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.85 ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 FD 0.93 GC 1.17 HN 0.98 ! LA 1.42 NL 0.75 OV 1.03 SC 1.16 ! WF 0.92 GG 1.00* HH 1.00* KK 1.00* ! KP 1.04 MA 1.00* MC 1.00* MK 1.08 ! NY 1.00* TS 1.01 WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 0.87 GC 1.10 HN 0.91 ! LA 0.88 NL 1.08 OV 0.86 SC 1.01 ! WF 0.77 GG 1.00* HH 1.00* KK 1.09 ! KP 0.88 MA 1.00* MC 1.37 MK 1.03 ! NY 1.38 TS 1.00* WZ 1.06 PT 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 0.92 GC 1.00* HN 1.00* ! LA 1.00* NL 0.89 OV 0.96 SC 1.00* ! WF 1.00* GG 1.00* HH 1.00* KK 1.00* ! KP 0.95 MA 1.00* MC 1.00* MK 1.13 ! NY 1.00* TS 1.00* WZ 1.00* PT 0.90 ! ! A total of 15 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.93 GC 1.13 HN 0.98 ! LA 1.39 NL 0.77 OV 0.98 SC 1.12 ! WF 0.93 GG 1.00* HH 1.00* KK 1.00* ! KP 1.07 MA 1.00* MC 1.00* MK 1.17 ! NY 1.00* TS 0.97 WZ 1.00* PT 1.00* ! ! Telescope amplitude corrections in sub-array 4: ! BR 0.00* FD 0.00* GC 0.00* HN 0.00* ! LA 0.00* NL 0.00* OV 0.00* SC 0.00* ! WF 0.00* GG 0.00* HH 0.00* KK 0.00* ! KP 0.00* MA 0.00* MC 0.00* MK 0.00* ! NY 0.00* TS 0.00* WZ 0.00* PT 0.00* ! ! ! Fit before self-cal, rms=0.252527Jy sigma=0.003094 ! Fit after self-cal, rms=0.183252Jy sigma=0.002109 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.864 mas, bmaj=1.716 mas, bpa=-1.896 degrees ! Estimated noise=691.701 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 (-2, 0.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0514882 Jy ! Component: 100 - total flux cleaned = 0.075555 Jy ! Total flux subtracted in 100 components = 0.075555 Jy ! Clean residual min=-0.015398 max=0.028971 Jy/beam ! Clean residual mean=0.003673 rms=0.005935 Jy/beam ! Combined flux in latest and established models = 1.4123 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 25 model components to the UV plane model. ! The established model now contains 110 components and 1.4123 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.168797Jy sigma=0.001897 ! Fit after self-cal, rms=0.167225Jy sigma=0.001873 ! 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 = 0.0192776 Jy ! Component: 100 - total flux cleaned = 0.0280664 Jy ! Total flux subtracted in 100 components = 0.0280664 Jy ! Clean residual min=-0.015349 max=0.028999 Jy/beam ! Clean residual mean=0.003362 rms=0.005580 Jy/beam ! Combined flux in latest and established models = 1.44036 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 24 model components to the UV plane model. ! The established model now contains 125 components and 1.44036 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.162847Jy sigma=0.001816 ! Fit after self-cal, rms=0.157215Jy sigma=0.001731 ! Inverting map and beam ! Estimated beam: bmin=0.8671 mas, bmaj=1.714 mas, bpa=-1.734 degrees ! Estimated noise=692.307 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 = 0.0263353 Jy ! Component: 100 - total flux cleaned = 0.0360745 Jy ! Total flux subtracted in 100 components = 0.0360745 Jy ! Clean residual min=-0.011736 max=0.028038 Jy/beam ! Clean residual mean=0.003012 rms=0.004573 Jy/beam ! Combined flux in latest and established models = 1.47644 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 140 components and 1.47644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.152562Jy sigma=0.001664 ! Fit after self-cal, rms=0.152003Jy sigma=0.001655 ! Inverting map ! Added new window around map position (-6.8, 1.3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0273711 Jy ! Component: 100 - total flux cleaned = 0.0457273 Jy ! Total flux subtracted in 100 components = 0.0457273 Jy ! Clean residual min=-0.011111 max=0.019987 Jy/beam ! Clean residual mean=0.002574 rms=0.003924 Jy/beam ! Combined flux in latest and established models = 1.52217 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 164 components and 1.52217 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.146342Jy sigma=0.001579 ! Fit after self-cal, rms=0.146301Jy sigma=0.001576 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C274_X ! Writing UV FITS file: 3C274_X.uvf ! Writing 164 model components to file: 3C274_X.mod ! wwins: Wrote 4 windows to 3C274_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8671 x 1.714 at -1.734 degrees (North through East) ! Clean map min=-0.010451 max=0.79944 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=0.8671 mas, bmaj=1.714 mas, bpa=-1.734 degrees ! Estimated noise=692.307 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8671 x 1.714 at -1.734 degrees (North through East) ! Clean map min=-0.010451 max=0.79944 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file 3C274_X.log closed on Mon Aug 7 23:30:00 2006