! Started logfile: 1856+736_X.log on Mon Sep 10 20:10:31 2007 observe 1856+736_X.edt ! Reading UV FITS file: 1856+736_X.edt ! AN table 1: 77 integrations on 171 of 171 possible baselines. ! AN table 2: 10 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.299254 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 1856+736 ! 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 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 2124 lines of history. ! ! Reading 17808 visibilities. ![@gonzo6-0.1 1856+736_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 = 6.0 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 883 telescope corrections were flagged in sub-array 1. ! A total of 153 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 885 telescope corrections were flagged in sub-array 1. ! A total of 159 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 993 telescope corrections were flagged in sub-array 1. ! A total of 162 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 888 telescope corrections were flagged in sub-array 1. ! A total of 156 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.707554Jy sigma=0.009435 ! Fit after self-cal, rms=0.706958Jy sigma=0.009439 ! 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=0.5195 mas, bmaj=0.6372 mas, bpa=48.6 degrees ! Estimated noise=1223.58 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 = 0.215101 Jy ! Total flux subtracted in 50 components = 0.215101 Jy ! Clean residual min=-0.012179 max=0.059999 Jy/beam ! Clean residual mean=0.000017 rms=0.003703 Jy/beam ! Combined flux in latest and established models = 0.215101 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 0.215101 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.122288Jy sigma=0.001708 ! Fit after self-cal, rms=0.122288Jy sigma=0.001708 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0546877 Jy ! Total flux subtracted in 50 components = 0.0546877 Jy ! Clean residual min=-0.008746 max=0.027339 Jy/beam ! Clean residual mean=0.000013 rms=0.002376 Jy/beam ! Combined flux in latest and established models = 0.269788 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.269788 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.093058Jy sigma=0.001274 ! Fit after self-cal, rms=0.093058Jy sigma=0.001274 ! Inverting map ! Added new window around map position (0.4, 1.5). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0289499 Jy ! Total flux subtracted in 50 components = 0.0289499 Jy ! Clean residual min=-0.007388 max=0.015420 Jy/beam ! Clean residual mean=0.000011 rms=0.001895 Jy/beam ! Combined flux in latest and established models = 0.298738 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 10 components and 0.298738 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.082862Jy sigma=0.001116 ! Fit after self-cal, rms=0.082623Jy sigma=0.001114 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0180578 Jy ! Total flux subtracted in 50 components = 0.0180578 Jy ! Clean residual min=-0.006515 max=0.011801 Jy/beam ! Clean residual mean=0.000010 rms=0.001651 Jy/beam ! Combined flux in latest and established models = 0.316796 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 24 components and 0.316796 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.077826Jy sigma=0.001036 ! Fit after self-cal, rms=0.077756Jy sigma=0.001036 ! Inverting map ! Added new window around map position (1.1, 1.6). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0132947 Jy ! Total flux subtracted in 50 components = 0.0132947 Jy ! Clean residual min=-0.006027 max=0.010023 Jy/beam ! Clean residual mean=0.000008 rms=0.001518 Jy/beam ! Combined flux in latest and established models = 0.330091 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 29 components and 0.330091 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.075076Jy sigma=0.000991 ! Fit after self-cal, rms=0.075044Jy sigma=0.000990 ! Inverting map ! Added new window around map position (-0.5, -1.5). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0109589 Jy ! Total flux subtracted in 50 components = 0.0109589 Jy ! Clean residual min=-0.005609 max=0.007392 Jy/beam ! Clean residual mean=0.000008 rms=0.001420 Jy/beam ! Combined flux in latest and established models = 0.34105 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 38 components and 0.34105 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.073335Jy sigma=0.000961 ! Fit after self-cal, rms=0.073330Jy sigma=0.000961 ! 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=0.6893 mas, bmaj=0.8363 mas, bpa=34.58 degrees ! Estimated noise=605.579 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 = 0.0164738 Jy ! Component: 100 - total flux cleaned = 0.0275968 Jy ! Total flux subtracted in 100 components = 0.0275968 Jy ! Clean residual min=-0.005200 max=0.007834 Jy/beam ! Clean residual mean=0.000151 rms=0.001752 Jy/beam ! Combined flux in latest and established models = 0.368646 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 45 model components to the UV plane model. ! The established model now contains 76 components and 0.368646 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.070152Jy sigma=0.000904 ! Fit after self-cal, rms=0.070048Jy sigma=0.000903 ! 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 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 GC 0.99 GG 1.00* ! HN 0.99 KP 0.97 LA 0.96 MA 1.08 ! MK 1.00* NL 1.08 NY 0.99 ON 0.92 ! OV 1.01 PT 0.96 SC 1.01 TC 1.00* ! TS 1.00 WF 1.00* WZ 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.94 GC 1.00* GG 1.00* ! HN 1.19 KP 0.92 LA 0.92 MA 1.00* ! MK 1.00* NL 1.07 NY 1.00* ON 1.00* ! OV 0.95 PT 0.90 SC 1.00* TC 1.00* ! 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 0.99 FD 0.98 GC 1.01 GG 1.00* ! HN 1.01 KP 0.92 LA 0.95 MA 1.06 ! MK 1.00* NL 1.01 NY 0.97 ON 0.90 ! OV 1.00 PT 1.00 SC 1.01 TC 1.00* ! TS 1.01 WF 1.00* WZ 1.03 ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 1.01 GC 1.00* GG 1.00* ! HN 0.93 KP 0.91 LA 0.92 MA 1.00* ! MK 1.00* NL 1.05 NY 1.00* ON 1.00* ! OV 0.91 PT 0.87 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 GC 1.07 GG 1.00* ! HN 0.98 KP 0.88 LA 0.96 MA 1.13 ! MK 1.00* NL 1.02 NY 1.00 ON 1.02 ! OV 1.04 PT 0.99 SC 1.00 TC 1.00* ! TS 1.13 WF 1.00* WZ 1.00* ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.88 GC 1.00* GG 1.00* ! HN 0.98 KP 0.81 LA 0.97 MA 1.00* ! MK 1.00* NL 1.01 NY 1.00* ON 1.00* ! OV 0.99 PT 0.97 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.94 GC 1.04 GG 1.00* ! HN 1.00 KP 0.91 LA 0.94 MA 1.09 ! MK 1.00* NL 1.03 NY 1.06 ON 1.03 ! OV 1.00 PT 0.99 SC 1.05 TC 1.00* ! TS 1.01 WF 1.00* WZ 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00* FD 0.95 GC 1.00* GG 1.00* ! HN 1.05 KP 0.94 LA 0.97 MA 1.00* ! MK 1.00* NL 1.05 NY 1.00* ON 1.00* ! OV 0.91 PT 0.93 SC 1.00* TC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.070048Jy sigma=0.000903 ! Fit after self-cal, rms=0.066433Jy sigma=0.000864 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.694 mas, bmaj=0.845 mas, bpa=34.7 degrees ! Estimated noise=595.007 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 (3, 5.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00655529 Jy ! Component: 100 - total flux cleaned = 0.0106746 Jy ! Total flux subtracted in 100 components = 0.0106746 Jy ! Clean residual min=-0.003012 max=0.004255 Jy/beam ! Clean residual mean=0.000043 rms=0.000884 Jy/beam ! Combined flux in latest and established models = 0.379321 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 105 components and 0.379321 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065904Jy sigma=0.000854 ! Fit after self-cal, rms=0.065888Jy sigma=0.000854 ! 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) ! Added new window around map position (1.5, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00419292 Jy ! Component: 100 - total flux cleaned = 0.00697238 Jy ! Total flux subtracted in 100 components = 0.00697238 Jy ! Clean residual min=-0.002848 max=0.003111 Jy/beam ! Clean residual mean=0.000028 rms=0.000781 Jy/beam ! Combined flux in latest and established models = 0.386293 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 124 components and 0.386293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.065649Jy sigma=0.000850 ! Fit after self-cal, rms=0.064173Jy sigma=0.000831 ! Inverting map and beam ! Estimated beam: bmin=0.6934 mas, bmaj=0.8451 mas, bpa=34.5 degrees ! Estimated noise=594.462 mJy/beam. ! Added new window around map position (3.3, 3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00337121 Jy ! Component: 100 - total flux cleaned = 0.00578579 Jy ! Total flux subtracted in 100 components = 0.00578579 Jy ! Clean residual min=-0.002659 max=0.002878 Jy/beam ! Clean residual mean=0.000022 rms=0.000684 Jy/beam ! Combined flux in latest and established models = 0.392079 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 26 model components to the UV plane model. ! The established model now contains 146 components and 0.392079 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.064000Jy sigma=0.000828 ! Fit after self-cal, rms=0.063811Jy sigma=0.000826 ! Inverting map and beam ! Estimated beam: bmin=0.6931 mas, bmaj=0.8447 mas, bpa=34.45 degrees ! Estimated noise=594.036 mJy/beam. ! Added new window around map position (11.6, -7). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00292557 Jy ! Component: 100 - total flux cleaned = 0.0050053 Jy ! Total flux subtracted in 100 components = 0.0050053 Jy ! Clean residual min=-0.002506 max=0.002730 Jy/beam ! Clean residual mean=0.000022 rms=0.000620 Jy/beam ! Combined flux in latest and established models = 0.397084 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 30 model components to the UV plane model. ! The established model now contains 165 components and 0.397084 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063683Jy sigma=0.000824 ! Fit after self-cal, rms=0.063649Jy sigma=0.000823 ! Inverting map and beam ! Estimated beam: bmin=0.6929 mas, bmaj=0.8445 mas, bpa=34.36 degrees ! Estimated noise=593.922 mJy/beam. ! Added new window around map position (-13.4, -1.1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00161833 Jy ! Component: 100 - total flux cleaned = 0.00305551 Jy ! Total flux subtracted in 100 components = 0.00305551 Jy ! Clean residual min=-0.002196 max=0.002226 Jy/beam ! Clean residual mean=0.000023 rms=0.000584 Jy/beam ! Combined flux in latest and established models = 0.40014 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 20 model components to the UV plane model. ! The established model now contains 177 components and 0.40014 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063538Jy sigma=0.000821 ! Fit after self-cal, rms=0.063557Jy sigma=0.000821 ! Inverting map and beam ! Estimated beam: bmin=0.6929 mas, bmaj=0.8445 mas, bpa=34.32 degrees ! Estimated noise=594.064 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 = 0.00127284 Jy ! Component: 100 - total flux cleaned = 0.00250253 Jy ! Total flux subtracted in 100 components = 0.00250253 Jy ! Clean residual min=-0.002168 max=0.002164 Jy/beam ! Clean residual mean=0.000021 rms=0.000563 Jy/beam ! Combined flux in latest and established models = 0.402642 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 183 components and 0.402642 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.063497Jy sigma=0.000820 ! Fit after self-cal, rms=0.063485Jy sigma=0.000820 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 1856+736_X ! Writing UV FITS file: 1856+736_X.uvf ! Writing 183 model components to file: 1856+736_X.mod ! wwins: Wrote 9 windows to 1856+736_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6929 x 0.8445 at 34.32 degrees (North through East) ! Clean map min=-0.0021119 max=0.28646 Jy/beam ! Writing clean map to FITS file: 1856+736_X.fits ! Writing difmap environment to: 1856+736_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 1856+736_X] device 1856+736_Xuv.ps/vps,1,2 ! Attempting to open device: '1856+736_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 1856+736_Xim.ps/vps ! Attempting to open device: '1856+736_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=0.6929 mas, bmaj=0.8445 mas, bpa=34.32 degrees ! Estimated noise=594.064 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6929 x 0.8445 at 34.32 degrees (North through East) ! Clean map min=-0.0021119 max=0.28646 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.1] quit ! Quitting program ! Log file 1856+736_X.log closed on Mon Sep 10 20:10:40 2007