! Started logfile: J0854+2006_X.log on Tue Dec 12 20:33:35 2006 observe J0854+2006_X.edt ! Reading UV FITS file: J0854+2006_X.edt ! AN table 1: 82 integrations on 153 of 153 possible baselines. ! AN table 2: 113 integrations on 153 of 153 possible baselines. ! AN table 3: 65 integrations on 153 of 153 possible baselines. ! Apparent sampling: 0.257265 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0854+20 ! ! 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 1304 lines of history. ! ! Reading 40936 visibilities. ![@gonzo8-0.1 J0854+2006_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 972 telescope corrections were flagged in sub-array 1. ! A total of 867 telescope corrections were flagged in sub-array 2. ! A total of 628 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 972 telescope corrections were flagged in sub-array 1. ! A total of 867 telescope corrections were flagged in sub-array 2. ! A total of 626 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 972 telescope corrections were flagged in sub-array 1. ! A total of 870 telescope corrections were flagged in sub-array 2. ! A total of 625 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 972 telescope corrections were flagged in sub-array 1. ! A total of 870 telescope corrections were flagged in sub-array 2. ! A total of 625 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.366429Jy sigma=0.022222 ! Fit after self-cal, rms=1.366742Jy sigma=0.022230 ! 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=0.526 mas, bmaj=0.9884 mas, bpa=1.826 degrees ! Estimated noise=518.152 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 = 1.56993 Jy ! Total flux subtracted in 50 components = 1.56993 Jy ! Clean residual min=-0.098631 max=0.462370 Jy/beam ! Clean residual mean=-0.000849 rms=0.027024 Jy/beam ! Combined flux in latest and established models = 1.56993 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 1.56993 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.870861Jy sigma=0.014388 ! Fit after self-cal, rms=0.870843Jy sigma=0.014388 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.499242 Jy ! Total flux subtracted in 50 components = 0.499242 Jy ! Clean residual min=-0.055182 max=0.231696 Jy/beam ! Clean residual mean=-0.000497 rms=0.015295 Jy/beam ! Combined flux in latest and established models = 2.06917 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 8 components and 2.06917 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.501504Jy sigma=0.008368 ! Fit after self-cal, rms=0.501137Jy sigma=0.008365 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.254434 Jy ! Total flux subtracted in 50 components = 0.254434 Jy ! Clean residual min=-0.039696 max=0.118662 Jy/beam ! Clean residual mean=-0.000317 rms=0.009920 Jy/beam ! Combined flux in latest and established models = 2.3236 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 2.3236 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.332921Jy sigma=0.005525 ! Fit after self-cal, rms=0.332619Jy sigma=0.005523 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.132915 Jy ! Total flux subtracted in 50 components = 0.132915 Jy ! Clean residual min=-0.038892 max=0.072774 Jy/beam ! Clean residual mean=-0.000224 rms=0.007668 Jy/beam ! Combined flux in latest and established models = 2.45652 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 9 model components to the UV plane model. ! The established model now contains 14 components and 2.45652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259739Jy sigma=0.004212 ! Fit after self-cal, rms=0.259483Jy sigma=0.004210 ! Inverting map ! Added new window around map position (-1.2, -1.3). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0834992 Jy ! Total flux subtracted in 50 components = 0.0834992 Jy ! Clean residual min=-0.034359 max=0.055577 Jy/beam ! Clean residual mean=-0.000169 rms=0.006591 Jy/beam ! Combined flux in latest and established models = 2.54002 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 24 components and 2.54002 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223616Jy sigma=0.003545 ! Fit after self-cal, rms=0.223322Jy sigma=0.003542 ! 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=0.6708 mas, bmaj=1.251 mas, bpa=-0.2014 degrees ! Estimated noise=235.483 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 = 0.11022 Jy ! Component: 100 - total flux cleaned = 0.171167 Jy ! Total flux subtracted in 100 components = 0.171167 Jy ! Clean residual min=-0.023626 max=0.038415 Jy/beam ! Clean residual mean=-0.000045 rms=0.007056 Jy/beam ! Combined flux in latest and established models = 2.71118 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 39 model components to the UV plane model. ! The established model now contains 48 components and 2.71118 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.175543Jy sigma=0.002563 ! Fit after self-cal, rms=0.174997Jy sigma=0.002557 ! 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 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 GC 1.17 HH 1.00* HN 0.99 ! LA 1.01 MC 1.05 MK 1.00* NY 1.01 ! ON 1.00* OV 0.99 PT 0.99 SC 1.00* ! TS 1.00* WF 1.00* BR 0.99 KK 1.00* ! KP 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.98 GC 0.94 HH 1.00* HN 0.99 ! LA 0.97 MC 1.00* MK 0.99 NY 1.05 ! ON 1.00* OV 0.97 PT 0.99 SC 1.00* ! TS 1.01 WF 1.00* BR 0.99 KK 0.98 ! KP 0.97 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.01 GC 0.94 HH 1.00* HN 1.00* ! LA 1.01 MC 1.00* MK 0.96 NY 1.10 ! ON 1.00* OV 0.99 PT 0.99 SC 1.00* ! TS 1.00* WF 1.00* BR 1.01 KK 1.00* ! KP 1.01 WZ 1.00* ! ! ! Correcting IF 2. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 GC 1.19 HH 1.00* HN 0.98 ! LA 1.00 MC 1.05 MK 1.00* NY 1.01 ! ON 1.00* OV 0.99 PT 1.02 SC 1.00* ! TS 1.00* WF 1.00* BR 1.01 KK 1.00* ! KP 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.98 GC 0.96 HH 1.00* HN 0.98 ! LA 0.97 MC 1.00* MK 0.98 NY 1.05 ! ON 1.00* OV 0.97 PT 1.02 SC 1.00* ! TS 1.01 WF 1.00* BR 1.00 KK 1.00 ! KP 0.93 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 1.01 GC 0.95 HH 1.00* HN 1.00* ! LA 1.00 MC 1.00* MK 0.96 NY 1.11 ! ON 1.00* OV 0.99 PT 1.02 SC 1.00* ! TS 1.00* WF 1.00* BR 1.01 KK 1.00* ! KP 0.96 WZ 1.00* ! ! ! Correcting IF 3. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 GC 1.22 HH 1.00* HN 0.98 ! LA 1.01 MC 1.08 MK 1.00* NY 1.01 ! ON 1.00* OV 1.02 PT 1.04 SC 1.00* ! TS 1.00* WF 1.00* BR 1.03 KK 1.00* ! KP 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.95 GC 0.98 HH 1.00* HN 0.99 ! LA 0.98 MC 1.00* MK 0.99 NY 1.06 ! ON 1.00* OV 1.00 PT 1.05 SC 1.00* ! TS 0.98 WF 1.00* BR 1.03 KK 0.98 ! KP 0.92 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.98 GC 0.97 HH 1.00* HN 1.00* ! LA 1.01 MC 1.00* MK 0.97 NY 1.11 ! ON 1.00* OV 1.01 PT 1.04 SC 1.00* ! TS 1.00* WF 1.00* BR 1.04 KK 1.00* ! KP 0.94 WZ 1.00* ! ! ! Correcting IF 4. ! A total of 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 GC 1.27 HH 1.00* HN 0.99 ! LA 0.98 MC 1.17 MK 1.00* NY 1.04 ! ON 1.00* OV 0.99 PT 1.03 SC 1.00* ! TS 1.00* WF 1.00* BR 1.00 KK 1.00* ! KP 1.00* WZ 1.00* ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! FD 0.94 GC 1.03 HH 1.00* HN 1.00 ! LA 0.95 MC 1.00* MK 1.02 NY 1.10 ! ON 1.00* OV 0.98 PT 1.04 SC 1.00* ! TS 0.98 WF 1.00* BR 1.00 KK 0.98 ! KP 0.93 WZ 1.00* ! ! Telescope amplitude corrections in sub-array 3: ! FD 0.97 GC 1.01 HH 1.00* HN 1.00* ! LA 0.99 MC 1.00* MK 1.00 NY 1.15 ! ON 1.00* OV 0.99 PT 1.03 SC 1.00* ! TS 1.00* WF 1.00* BR 1.01 KK 1.00* ! KP 0.96 WZ 1.00* ! ! ! Fit before self-cal, rms=0.174997Jy sigma=0.002557 ! Fit after self-cal, rms=0.100752Jy sigma=0.001432 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.6747 mas, bmaj=1.266 mas, bpa=-0.345 degrees ! Estimated noise=233.582 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 (-3.6, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0194363 Jy ! Component: 100 - total flux cleaned = 0.0255746 Jy ! Total flux subtracted in 100 components = 0.0255746 Jy ! Clean residual min=-0.007642 max=0.009081 Jy/beam ! Clean residual mean=-0.000025 rms=0.001669 Jy/beam ! Combined flux in latest and established models = 2.73676 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 71 components and 2.73676 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.097716Jy sigma=0.001362 ! Fit after self-cal, rms=0.097475Jy sigma=0.001359 ! 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 = 0.00478736 Jy ! Component: 100 - total flux cleaned = 0.00667377 Jy ! Total flux subtracted in 100 components = 0.00667377 Jy ! Clean residual min=-0.007604 max=0.007976 Jy/beam ! Clean residual mean=-0.000011 rms=0.001490 Jy/beam ! Combined flux in latest and established models = 2.74343 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 84 components and 2.74343 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.096442Jy sigma=0.001339 ! Fit after self-cal, rms=0.094075Jy sigma=0.001302 ! Inverting map and beam ! Estimated beam: bmin=0.6747 mas, bmaj=1.266 mas, bpa=-0.3719 degrees ! Estimated noise=233.538 mJy/beam. ! Added new window around map position (-1, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00744802 Jy ! Component: 100 - total flux cleaned = 0.00925688 Jy ! Total flux subtracted in 100 components = 0.00925688 Jy ! Clean residual min=-0.006504 max=0.006916 Jy/beam ! Clean residual mean=-0.000013 rms=0.001231 Jy/beam ! Combined flux in latest and established models = 2.75269 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 15 model components to the UV plane model. ! The established model now contains 96 components and 2.75269 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.092820Jy sigma=0.001281 ! Fit after self-cal, rms=0.092328Jy sigma=0.001276 ! Inverting map and beam ! Estimated beam: bmin=0.6745 mas, bmaj=1.266 mas, bpa=-0.3958 degrees ! Estimated noise=233.541 mJy/beam. ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0049455 Jy ! Component: 100 - total flux cleaned = 0.00597339 Jy ! Total flux subtracted in 100 components = 0.00597339 Jy ! Clean residual min=-0.005921 max=0.005968 Jy/beam ! Clean residual mean=-0.000012 rms=0.001084 Jy/beam ! Combined flux in latest and established models = 2.75866 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 104 components and 2.75866 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.091493Jy sigma=0.001262 ! Fit after self-cal, rms=0.091241Jy sigma=0.001260 ! Inverting map and beam ! Estimated beam: bmin=0.6743 mas, bmaj=1.266 mas, bpa=-0.412 degrees ! Estimated noise=233.516 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 = 0.00326439 Jy ! Component: 100 - total flux cleaned = 0.00415021 Jy ! Total flux subtracted in 100 components = 0.00415021 Jy ! Clean residual min=-0.005428 max=0.005275 Jy/beam ! Clean residual mean=-0.000009 rms=0.000973 Jy/beam ! Combined flux in latest and established models = 2.76281 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 19 model components to the UV plane model. ! The established model now contains 109 components and 2.76281 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.090635Jy sigma=0.001250 ! Fit after self-cal, rms=0.090549Jy sigma=0.001249 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save J0854+2006_X ! Writing UV FITS file: J0854+2006_X.uvf ! Writing 109 model components to file: J0854+2006_X.mod ! wwins: Wrote 4 windows to J0854+2006_X.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6743 x 1.266 at -0.412 degrees (North through East) ! Clean map min=-0.0052515 max=2.1927 Jy/beam ! Writing clean map to FITS file: J0854+2006_X.fits ! Writing difmap environment to: J0854+2006_X.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot J0854+2006_X] device J0854+2006_Xuv.ps/vps,1,2 ! Attempting to open device: 'J0854+2006_Xuv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device J0854+2006_Xim.ps/vps ! Attempting to open device: 'J0854+2006_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=0.6743 mas, bmaj=1.266 mas, bpa=-0.412 degrees ! Estimated noise=233.516 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.6743 x 1.266 at -0.412 degrees (North through East) ! Clean map min=-0.0052515 max=2.1927 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo8-0.1] quit ! Quitting program ! Log file J0854+2006_X.log closed on Tue Dec 12 20:34:15 2006